Mark of the Unicorn Traveler User's Guide

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Traveler
User’s Guide for Macintosh
1280 Massachusetts Avenue
Business voice: (617) 576-2760
Business fax: (617) 576-3609
Te chnical support: (617) 576-3066
Te ch support fax: (617) 354-3068
Te c h s u pp o rt em a il : techsupport@motu.com
Web sit e: www.motu.com
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About the Mark of the Unicorn License Agreement and Limited Warranty on Software
TO PERSONS WHO PURCHASE OR USE THIS PRODUCT: carefully read all the terms and conditions of the “click-wrap” license agreement presented to you when you install the software. Using the software or this documentation indicates your acceptance of the terms and conditions of that license agreement.
Mark of the Unicorn, Inc. (“MOTU”) owns both this program and its documentation. Both the program and the documentation are protected under applicable copyright, trademark, and trade-secret laws. Your right to use the program and the documentation are limited to the terms and conditions described in the license agreement.
Reminder of the terms of your license
This summary is not your license agreement, just a reminder of its terms. The actual license can be read and printed by running the installation program for the software. That license agreement is a contract, and clicking “Accept” binds you and MOTU to all its terms and conditions. In the event anything contained in this summary is incomplete or in conflict with the actual click-wrap license agreement, the terms of the click-wrap agreement prevail.
YOU MAY: (a) use the enclosed program on a single computer; (b) physically transfer the program from one computer to another provided that the program is used on only one computer at a time and that you remove any copies of the program from the computer from which the program is being transferred; (c) make copies of the program solely for backup purposes. You must reproduce and include the copyright notice on a label on any backup copy.
YOU MAY NOT: (a) distribute copies of the program or the documentation to others; (b) rent, lease or grant sublicenses or other rights to the program; (c) provide use of the program in a computer service business, network, time-sharing, multiple CPU or multiple user arrangement without the prior written consent of MOTU; (d) translate, adapt, reverse engineer, decompile, disassemble, or otherwise alter the program or related documentation without the prior written consent of MOTU.
MOTU warrants to the original licensee that the disk(s) on which the program is recorded be free from defects in materials and workmanship under normal use for a period of ninety (90) days from the date of purchase as evidenced by a copy of your receipt. If failure of the disk has resulted from accident, abuse or misapplication of the product, then MOTU shall have no responsibility to replace the disk(s) under this Limited Warranty.
THIS LIMITED WARRANTY AND RIGHT OF REPLACEMENT IS IN LIEU OF, AND YOU HEREBY WAIVE, ANY AND ALL OTHER WARRANTIES, BOTH EXPRESS AND IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE LIABILITY OF MOTU PURSUANT TO THIS LIMITED WARRANTY SHALL BE LIMITED TO THE REPLACEMENT OF THE DEFECTIVE DISK(S), AND IN NO EVENT SHALL MOTU OR ITS SUPPLIERS, LICENSORS, OR AFFILIATES BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF USE, LOSS OF PROFITS, LOSS OF DATA OR DATA BEING RENDERED INACCURATE, OR LOSSES SUSTAINED BY THIRD PA R TIES EVEN IF MOTU HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE. SOME STATES DO NOT ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY FOR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
Update Policy
In order to be eligible to obtain updates of the program, you must complete and return the attached Mark of the Unicorn Purchaser Registration Card to MOTU.
Copyright Notice
Copyright © 2004 by Mark of the Unicorn, Inc. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language, in any form or by any means whatsoever, without express written permission of Mark of the Unicorn, Inc., 1280 Massachusetts Avenue, Cambridge, MA, 02138, U.S.A.
Limited Warranty on Hardware
Mark of the Unicorn, Inc. and S&S Research (“MOTU/S&S”) warrant this equipment against defects in materials and workmanship for a period of NINETY (90) DAYS from the date of original retail purchase. This warranty applies only to hardware products; MOTU software is licensed and warranted pursuant to separate written statements.
If you discover a defect, first write or call Mark of the Unicorn at (617) 576-2760 to obtain a Return Merchandise Authorization Number. No service will be performed on any product returned without prior authorization. MOTU will, at its option, repair or replace the product at no charge to you, provided you return it during the warranty period, with transportation charges prepaid, to Mark of the Unicorn, Inc., 1280 Massachusetts Avenue, MA 02138. You must use the product’s original packing material for in shipment, and insure the shipment for the value of the product. Please include your name, address, telephone number, a description of the problem, and the original, dated bill of sale with the returned unit and print the Return Merchandise Authorization Number on the outside of the box below the shipping address.
This warranty does not apply if the equipment has been damaged by accident, abuse, misuse, or misapplication; has been modified without the written permission of MOTU, or if the product serial number has been removed or defaced.
ALL IMPLIED WARRANTIES, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO NINETY (90) DAYS FROM THE DATE OF THE ORIGINAL RETAIL PURCHASE OF THIS PRODUCT.
THE WARRANTY AND REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHERS, ORAL OR WRITTEN, EXPRESS OR IMPLIED. No MOTU/S&S dealer, agent, or employee is authorized to make any modification, extension, or addition to this warranty.
MOTU/S&S ARE NOT RESPONSIBLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY BREACH OF WARRANTY, OR UNDER ANY LEGAL THEORY, INCLUDING LOST PROFITS, DOWNTIME, GOODWILL, DAMAGE OR REPLACEMENT OF EQUIPMENT AND PROPERTY AND COST OF RECOVERING REPROGRAMMING, OR REPRODUCING ANY PROGRAM OR DATA STORED IN OR USED WITH MOTU/S&S PRODUCTS.
Some states do not allow the exclusion or limitation of implied warranties or liability for incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from state to state.
MOTU, AudioDesk, MOTU, Mark of the Unicorn and the unicorn silhouette logo are trademarks of Mark of the Unicorn, Inc.
This equipment has been type tested and found to comply with the limits for a class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television equipment reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by any combination of the following measures:
• Relocate or reorient the receiving antenna
• Increase the separation between the equipment and the receiver
• Plug the equipment into an outlet on a circuit different from that to which the receiver is connected
If necessary, you can consult a dealer or experienced radio/television technician for additional assistance.
PLEASE NOTE: only equipment certified to comply with Class B (computer input/output devices, terminals, printers, etc.) should be attached to this equipment, and it must have shielded interface cables in order to comply with the Class B FCC limits on RF emissions.
WARNING: changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
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Contents
Quick Reference:
5
Traveler Front Panel
Quick Reference:
6
Traveler Rear & Side Panels
Quick Reference:
7
MOTU FireWire Audio Console
About the Traveler
9
Packing List & Mac System Requirements
15
Installing the Traveler Hardware
17
Installing the Traveler Mac OS X Software
39
43
MOTU FireWire Audio Console
Traveler Front Panel Operation
51
57
Digital Performer
AudioDesk
63
Logic and Other Mac OS X Software
69
Reducing Monitoring Latency
73
CueMix Console
79
87
FireWire SMPTE Console
Troubleshooting
91
III
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SAFETY PRECAUTIONS AND ELECTRICAL REQUIREMENTS
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR OTHER MOISTURE.
CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
WARNING: DO NOT PERMIT FINGERS TO TOUCH THE TERMINALS OF POWER PLUGS WHEN INSTALLING OR REMOVING THE PLUG TO OR FROM A POWER SOURCE.
IMPORTANT SAFEGUARDS
1. Read instructions - All the safety and operating instructions should be read before operating the MOTU Traveler.
2. Retain instructions - The safety instructions and owner's manual should be retained for future reference.
3. Heed Warnings - All warnings on the MOTU Traveler and in the owner's manual should be adhered to.
4. Follow Instructions - All operating and use instructions should be followed.
5. Cleaning - Unplug the MOTU Traveler from the computer before cleaning and use a damp cloth. Do not use liquid or aerosol cleaners.
6. Power Sources - This MOTU Traveler should be operated only from the type of power source indicated on the marking label.
7. Power-Cord Protection - Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them. Pay particular attention to cords and plugs, convenience receptacles, and the point where they exit from the MOTU Traveler.
8. Lightning - For added protection for the MOTU Traveler during a lightning storm, unplug its power supply from any wall outlets. This will prevent damage to the MOTU Traveler due to lightning and power line surges.
9. Servicing - Do not attempt to service this MOTU Traveler yourself as opening or removing covers will expose you to dangerous voltage and other hazards. Refer all servicing to qualified service personnel.
10. Damage Requiring Service - Unplug the MOTU Traveler from the computer and refer servicing to qualified service personnel under the following conditions.
a. When the power supply cord or plug is damaged. b. If liquid has been spilled or objects have fallen into the MOTU Traveler. c. If the MOTU Traveler has been exposed to rain or water. d. If the MOTU Traveler does not operate normally by following the operating instructions in the owner's manual. e. If the MOTU Traveler has been dropped or the cabinet has been damaged. f. When the MOTU Traveler exhibits a distinct change in performance, this indicates a need for service.
11. Replacement Parts - When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards.
12. Safety Check - Upon completion of any service or repairs to this MOTU Traveler, ask the service technician to perform safety checks to determine that the product is in safe operating conditions.
ENVIRONMENT
Operating Temperature: 10°C to 40°C (50°F to 104°)
AVOID THE HAZARDS OF ELECTRICAL SHOCK AND FIRE
Do not handle the power supply, or power cables with wet hands.
CAUTION: DANGER OF EXPLOSION IF BATTERY IS REPLACED. REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE RECOMMENDED BYMANUFACTURER. DISPOSE OF USED BATTERY ACCORDING TO MANUFACTURER’S INSTRUCTIONS.
IV
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111213141516171819
CueMix DSP settings, depending on which knobs you
turn. The labels above and below the LCD refer to all of
the Traveler’s inputs (both analog and digital).
settings (gain, pan, etc.) for individual inputs.
settings like the Traveler sample rate and clock source.
The SETUP knob chooses the setting; the SELECT knob
modifies the current system setting displayed in the LCD.
Some settings require that you push SELECT instead of
turning it, or you may need to push it to confirm the
setting you’ve chosen by turning it.
From the factory, its output matches the main outs on
the rear panel. But it can be programmed to mirror any
other output pair (digital or analog). It can even be
programmed to serve as its own independent output.
Use the volume knob above to control its level.
-42 dB. They do not indicate clipping in any way; use your
host audio software level meters to calibrate output
levels. Outputs 1-2 serve as the main outs. Push and
19. These switches provide phantom power for their respec-
then turn the front-panel volume knob for volume
tive microphone input. Left is off; right is on. (Right on!)
control.
15. The multi-purpose backlit LCD shows system settings or
before unplugging the FireWire cable.
computer. Use this power switch to turn it on and off. It is
recommended that you always power off the Traveler
11. The Traveler is powered by its FireWire connection to the
16. Use the VALUE and CURSOR knobs to adjust the CueMix
Tra vel er is operating. Use the MOTU FireWire Audio
Console to set the sample rate or to choose an external
12. These lights indicate the global sample rate at which the
17. Use the SETUP and SELECT knobs to change system
clock source, from which the sample rate will be derived.
When no clock signal is currently present, one of these
LEDs flashes rapidly. For example, if you’ve set the
Tra vel er to slave to an external clock, such as ADAT, but
there is no clock signal currently being detected, it
flashes.
13. These four round “L/R” LEDs indicate signal presence on
18. This is a standard quarter-inch stereo headphone jack.
the stereo S/PDIF and AES/EBU digital outputs.
rear-panel TRS analog outputs. Their threshold is around
14. These round LEDs indicate signal presence on the eight
Quick Reference: Traveler Front Panel
0
The LCD shows each Traveler input (XLR/combo, TRS,
ADAT, SPDIF and AES/EBU), along with the current mix
parameter setting for each input. To change a setting,
scroll to it with the CURSOR knob and change it with the
4. These four 4-segment meters show input signal level for
5. These four 4-segment meters show input signal level for
the analog TRS input jacks on the rear panel.
6. 4-segment metering for S/PDIF input.
7. MIDI activity LEDs for MIDI input and output.
8. 4-segment metering for AES/EBU input.
VALU E knob.
9. ADAT optical and TOSLink signal present LEDs.
10. When the Traveler is resolving to SMPTE time code, the
LOCK light glows green when lockup has been achieved.
The TACH light blinks once per second when the Traveler
is successfully reading address (time code) information.
the mic/instrument XLR/combo inputs on the rear panel.
1 2 3 4 5 6 7 8 9 10
gain, but they also function as pad switches (when
pushed) for an additional 20dB of gain or reduction.
When you turn or push the knobs, you’ll see dynamic
feedback of your adjustment in the LCD display. The total
gain range — from when pad is enabled and the trim is
turned all the way down to when the pad disabled and
trim is turned all the way up — is 73dB. All four inputs
have preamps, so you can plug in just about anything: a
microphone, a guitar, a synth, or even a +4 signal. Use
the trim knob and input level meters 1-4 in the metering
section to calibrate the input signal level. The meters
cover both the TRS and XLR input.
Push to toggle between them. The LCD provides
feedback.
monitor mixer. There are four independent mix busses:
MIX1 through MIX4. Each mixes all inputs (or any subset
you wish) to a stereo output of your choice. To edit a mix,
choose it by pressing the MIX BUS knob. Each mix has
parameters (volume, pan, etc.) for each input: choose
1. These four detented digital trim knobs provide 53dB of
2. Controls the headphone volume or main out volume.
3. This section controls the Traveler’s built-in CueMix DSP
the parameter you wish to edit with the PARAM knob.
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ance TRS jack are equipped with a 20dB pad (so you can
even connect a +4 line level input). 48V phantom power
can be supplied via the front-panel switch.
Connect the Traveler’s MIDI OUT port to the MIDI IN port
on the other device. Conversely, connect the Traveler’s
MIDI IN port to the MIDI OUT port on the other device.
You can connect different devices to each port, such as a
controller device to the IN port and a sound module to
the OUT port. You can also daisy-chain MIDI devices, but
be sure to manage their MIDI channels (so that they
don’t receive or transmit on the same channel).
Enable switch. For battery operation (i.e. powering the
Tra vel er from a battery pack via the 4-in XLR jack), turn
this switch to the OFF position.
here via a 4-in XLR cable. Remember to also turn off the
bus power switch to the left.
with either tip-positive or tip-negative polarity. Remem-
ber to also turn the BUS POWER switch to the OFF
not have microphone preamps, so they are best used for
14. This jack accepts any standard 10-24V DC power supply
synthesizers, drum machines, effects processors, and
other instruments with line level signals.
position.
either a mic cable or a cable with a quarter-inch plug.
Both the low-impedance XLR jack and the high-imped-
10. These four Neutrik™ combo (XLR/TRS) jacks accept
11. Connect a MIDI device here using standard MIDI cables.
balanced +4dB TRS (tip/ring/sleeve) quarter-inch
connectors that can also accept an unbalanced plug.
They are equipped with 24-bit, 128x oversampling
converters.
Tra vel er’s main outputs. You can connect them to a set of
powered studio monitors and then control the volume
11 12 13 14
7. The Traveler’s eight analog outputs are gold-plated,
from the front panel volume knob. (Push the knob first to
8. These two balanced, quarter-inch jacks serve as the
switch to main out volume control.) To hear disk tracks in
your audio software on these main outs, assign the disk
tracks (and master fader) to these main outs
12. For bus-powered operation, turn on the Bus Power
(Analog 1-2). You can also use CueMix DSP to monitor
live Traveler inputs here as well.
ring/sleeve) quarter-inch connectors that can also
9. These 4 analog inputs are gold-plated, balanced TRS (tip/
accept an unbalanced plug. The front panel LCD and
13. Connect a 10-24V battery pack or other power supply
Cuemix Co nsole software let you adjust them for either
+4dB or -10dB input signals. They have 24-bit, 64x
oversampling converters. These inputs (5 through 8) do
Quick Reference: Traveler Rear & Side Panels
0
4 9
compatible device, such as an effects processor or DAT
machine. Be sure to set the format in the MOTU FireWire
Audio Console software. (see “Optical input/output” on
page 48) for details.) ADAT optical supplies eight
channels of 24-bit digital I/O (4 channels at 96kHz).
TOSL ink is stereo. Note: you can choose independent
formats for the optical IN and OUT. For example, you
could choose ADAT for the optical IN (for, say, eight
channels of input from your digital mixer) and S/PDIF for
the optical OUT (for, say, your DAT machine).
standard ADAT SYNC INPUT to connect the Traveler to the
end of your ADAT sync chain. For example, if you have
three ADATs, chain the ADATs in the usual fashion (SYNC
OUT to SYNC IN, etc.), and then connect the last ADAT’s
SYNC OUT to this SYNC IN. This connection allows you to
make sample-accurate audio transfers between
AudioDesk (or other sample-accurate software) and the
ADATs. If you have a MOTU MIDI Timepiece AV or Digital
Timepiece, make it the master of the ADAT SYNC chain so
that you can control everything from AudioDesk (or your
other MIDI Machine Control compatible software).
and output at any sample rate up to 96kHz. They are
5. If you are using the Traveler with an ADAT, use this
disabled at the 4x rates (176.4 and 192kHz).
6. These jacks provide stereo, 24-bit S/PDIF digital input
1 2 3 5 6 7 8
Use the second FireWire port to daisy-
Important note: it is best to turn off the
and output at any sample rate up to 96kHz. They are
disabled at the 4x rates (176.4 and 192kHz).
standard 1394 FireWire A cable provided with your
Tra vel er.
Traveler when plugging in the FireWire cable, as this
avoids the possibility of static discharge, which can
harm the electrical components in the Traveler or
your computer.
chain up to four MOTU FireWire audio interfaces to a
single FireWire bus. You can also connect other FireWire
devices. For details, see “Connecting multiple MOTU
FireWire interfaces” on page 35.
variety of applications, such as for digital transfers with
devices that cannot slave to the clock supplied by their
digital I/O connection with the Traveler. When the
Tra vel er is operating at a 2x sample rate (88.2 or 96 kHz)
or 4x sample rate (176.4 or 192kHz), the word clock
output can either match the Traveler’s sample rate or be
reduced to the equivalent 1x rate (either 44.1 or 48 kHz).
This setting is made via the FireWire Audio Console. See
“Word Out” on page 48.
either to an ADAT-compatible “lightpipe” device (such as
1. These jacks provide stereo, 24-bit AES/EBU digital input
2. Connect the Traveler to the computer here using the
3. These are standard word clock jacks. Use them for a
a digital mixer) or to a S/PDIF optical (“TOSLink”)
4. These optical digital I/O connectors can be connected
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Quick Reference:
CHAPTER
MOTU FireWire Audio Console
Determines the clock source for your Tra vel er. If you’re just using the analog ins and outs, set this to ‘Internal’. The other settings are for digital transfers via S/PDIF, AES/EBU or external synchroniza­tion via the ADAT SYNC in port.
This menu lets you choose what you will hear from the headphone jack. To mirror the main outs, choose Analog 1-2. Or y ou can mirror any other output pair. To hear the phones as their own independent output, choose Phones 1-2.
Click the tabs to access general MOTU FireWire interface settings or settings specific to the Traveler (or other connected interface.)
Choose the sample rate for the Tra vel er here.
Specifies the stereo input and output pair when the Traveler is chosen for Mac OS X audio I/O.
Choose the desired optical format you’d like to use for the optical input and output. (ADAT or TOS Link). Note that they don’t have to be the same.
If you are running a Traveler inter­face at a high sample rate (88.2, 96, 176.4 or 192kHz), this option appears in the interface tab. It lets you choose a word clock output rate that either matches the global sample rate (e.g. 192kHz) or reduces the word clock output to the corresponding 1x rate (either 44.1 or 48kHz).
Click the General tab to access these settings.
Check this option if you would like the MOTU FireWire Audio Console icon to appear in the application dock as soon as a MOTU FireWire interface is detected (switched on, plugged in, etc.)
In the standard Mac OS X fashion, the console appears in the dock when you launch it. If the Launch conso le automatically option is checked (as shown above), the icon appears as soon as you switch on your Traveler inter­face. If you click and hold on the dock icon (instead of clicking it) or control-click, a menu of hardware settings appears as shown to the right. You can view and config­ure any hardware settings from this menu, without opening the console window.
If you have a foot switch connected to another MOTU FireWire interface, these settings let you map the foot switch to any computer keyboard key for both the up and down position. This setting does not apply to the Tra vel er, which does not have a foot switch input.
This button opens another dialog that lets you assign your own customized names to each Traveler input and output. For example, if you have a lead vocal mic pl ugged into input 1, you could name it “Lead Vox”. You r c us tomized names then appear in your host audio application (if it supports CoreAu dio input/output naming).
7
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CHAPTER
About the Traveler
1
OVERVIEW
The Traveler is a computer-based hard disk recording system for Mac OS and Windows that offers 20 inputs and 22 outputs. Analog recording and playback is offered at any standard sample rate up to 192kHz. At 96kHz or lower, all inputs and outputs, both analog and digital, can be accessed simultaneously. The Traveler consists of a light (3.8 pounds) and small (14.75x9 inches) aluminum alloy-encased interface that connects directly to a computer via a standard IEEE 1394 FireWire™ cable. The Traveler offers the following:
Bus-powered and battery-powered operation
Four combo XLR/TRS mic/guitar inputs with
preamps and 48V phantom power
Digital Precision Trim™ preamp gain
adjustment
Four 24-bit analog TRS inputs
Eight 24-bit analog TRS outputs
Eight-channel ADAT optical digital I/O
S/PDIF digital I/O (optical and RCA)
AES/EBU digital I/O
ADAT SYNC IN and word clock I/O
MIDI I/O
On-board SMPTE synchronization
Headphone jack
Main volume knob (for headphone + main outs)
With a variety of I/O formats, mic preamps, no­latency monitoring of live input and synchroni­zation capabilities, the Traveler is a complete, portable “studio in a box” when used with a Macintosh or Windows computer. The Tr a v e l e r system includes AudioDesk™, full-featured audio workstation software for Mac OS that supports both 16-bit and 24-bit recording.
THE TRAVELER I/O REAR PANEL
The Traveler rear panel has the following connectors:
Eight gold-plated, balanced +4dB quarter-inch (TRS) analog outputs (with 24-bit 192kHz converters)
Four combo XLR/TRS mic/instrument inputs
Four gold-plated, balanced -10/+4 dB quarter­inch (TRS) analog inputs (with 24-bit 192kHz converters)
One set of ADAT optical ‘light pipe’ connectors (8 channels of ADAT optical I/O at 44.1/48kHz or 4 channels at 88.2/96kHz), individually switchable to optical S/PDIF (‘TOSLink’)
RCA S/PDIF in/out
AES/EBU in/out
One 9-pin ADAT SYNC IN connector
Wor d c lo ck in /o ut
Tw o 1394 FireWire jacks
CueMix™ DSP no-latency mixing & monitoring
Front-panel programming
Stand-alone mixing
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20 inputs and 22 outputs
All Traveler inputs and outputs can be used simul­taneously, for a total of 20 inputs and 22 outputs:
Connection Input Output
Analog 24-bit 192kHz on bal/unbal TRS 4 8
Mic preamps 24-bit 192kHz on XLR/TRS combo 4 -
ADAT optical digital (at 44.1 or 48kHz) 8 8
AES/EBU 24-bit 96kHz digital stereo stereo
SPDIF 24-bit 96kHz digital stereo stereo
Headphone output - stereo
Total 20 22
All inputs and outputs are discrete and can be active simultaneously.
The ADAT optical ports provide 4 channels of I/O at 88.2 or 96kHz. They can also be independently configured as stereo TOSLink SPDIF at any supported sample rate (up to 96kHz).
All digital I/O is disabled for 192kHz operation.
The headphone outputs can operate as an independent output pair, or they can mirror any other Traveler output pair, such as the main outs.
Mic/instrument inputs
The four mic/instrument inputs are equipped with preamps and Neutrik™ “combo” XLR/TRS jacks, which accept low-Z XLR microphone inputs or high-Z quarter-inch guitar/instruments inputs. The total gain range for these preamps, including the 20dB pad, is 73dB, allowing you to connect anything from guitars and microphones to +4dB or –10dB line level signals. Preamp gain and pad can be controlled from the front panel digital rotary encoders/switches or the included CueMix Console™ software.
Analog
All four quarter-inch analog inputs are equipped with 24-bit 192kHz, 64x oversampling A/D converters. All eight analog outputs have 24-bit 128x oversampling D/A converters. All audio is carried to the computer in a 24-bit data stream. All eight analog outputs and four quarter-inch inputs are on balanced TRS +4dB quarter-inch jacks. All of these jacks can also accept unbalanced plugs.
The quarter-inch analog inputs can be switched in pairs between a +4 and -10dB reference level. An additional 6dB of software boost can be applied to each channel individually via the CueMix Console software application or via the front panel LCD display.
Optical
The Traveler optical jacks support two digital audio formats: ADAT and S/PDIF. The ADAT optical format provides eight channels of 24-bit digital audio at either 44.1 or 48 kHz, and four channels at
88.2 or 96kHz. The optical S/PDIF format (often referred to as
TOSLink
), supplies stereo S/PDIF input or output. The optical jacks are disabled at the 4x sample rates (176.4 and 192kHz).
AES/EBU
The Traveler rear panel provides a standard AES/ EBU digital input and output that supports digital I/O at 44.1, 48, 88.2 and 96 kHz. The AES/EBU jacks are disabled at the 4x sample rates (176.4 and 192kHz).
S/PDIF
The Traveler rear panel provides S/PDIF input and output in two different formats: RCA “coax” and optic al “ TOSLi nk”. The RCA jacks are dedicated to the S/PDIF format. The TOSLink jacks can be used either for either TOSLink or ADAT optical. The optical input /output jacks can operate indepen­dently. For example, the optical input can be set to
10
ABOUT THE TRAVELER
Page 11
TOSLink while the optical output is set to ADAT. The RCA and optical S/PDIF jacks are disabled at the 4x sample rates (176.4 and 192kHz).
On-board SMPTE synchronization
The Traveler can resolve directly to SMPTE time code via any analog input, without a separate synchronizer. The Traveler can also generate time code via any analog o utpu t. Th e Trave ler prov ide s a DSP-driven phase-lock engine with sophisticated filtering that provides fast lockup times and sub­frame accuracy. Direct time code synchronization is supported by AudioDesk and Digital Performer on Mac OS X.
The included FireWire SM PTE Console™ software provides a complete set of tools to generate SMPTE for striping, regenerating or slaving other devices to the computer.
ADAT sync: sample-accurate synchronization
The Traveler’s standard 9-pin ADAT SYNC IN connector provides sample-accurate synchroni­zation with all Alesis ADAT tape decks connected to the system—or any device that supports the ADAT sync format. For example, if you digitally transfer a single track of material from an ADAT via light pipe into audio workstation software on the computer, and then transfer the track back to the ADAT, it will be recorded exactly at its original location, down to the sample.
Word clock
The Traveler provides standard word clock that can slave to any supported sample rate. In addition, word clock can resolve to and generate “high” and “low” sample rates. For example, if the Traveler global sample rate is set to 96 kHz, the word clock input can resolve to a “low” rate of 48 kHz. Similarly, when the Traveler is operating at 96 kHz, the MOTU FireWire Audio Console lets you choose a word clock output rate of 48 kHz.
1394 FireWire
The two 1394 FireWire jacks accept a standard IEEE 1394 FireWire cable to connect the Traveler to a FireWire-equipped Macintosh or Windows computer. The second jack can be used to daisy chain multiple interfaces — up to four MOTU FireWire interfaces — on a single FireWire bus. It can also be used to connect other FireWire devices without the need for a FireWire hub. The Traveler has the ability to power itself from its FireWire connection to the computer.
THE TRAVELER FRONT PANEL
Phantom power
Individual 48V phantom power can be enabled for each preamp with the four front panel switches.
Digital Precision Trim™ rotary encoders
The four Digital Precision Trim™ detented rotary encoders provide preamp gain adjustment and also serve as 20dB pad switches when pushed. When you turn these trim knobs, input gain can be adjusted in 1dB increments, and the LCD display provides active numeric feedback as the adjustment is made.
Headphone output and main volume control
The Traveler front panel includes a quarter-inch stereo headphone output jack and volume knob. The volume knob also controls the rear-panel m ain outs. Push the knob to toggle between them. The LCD display provides feedback.
CueMix™ DSP no-latency on-board mixing
The CueMix DSP section of the front-panel provides access to the Traveler’s on-board mixing features, as well as global system settings. Together, these features provide complete stand-alone operation, without a computer. The Traveler can mix all inputs to any output pair, and up to four such mixes can be independently programmed and simultaneously operated.
ABOUT THE TRAVELER
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Backlit LCD display
Any Traveler setting can be accessed directly from the front panel using the six rotary encoders and the 2x16 backlit LCD display. CueMix DSP settings such as input gain, panning, +4/-10 input level, 6dB boost, stereo pair grouping, mix output assignment and others are quickly accessed, clearly marked and easy to adjust. Sixteen presets can be created, saved, recalled and duplicated.
Metering section
The front panel of the Traveler displays several banks of input metering and output activity LEDs. The round analog, SPDIF and AES/EBU output activity LEDs, as well as the ADAT optical in/out activity LEDs, display signal presence. The threshold for these lights is approximately -42 dB. The four-segment input meters provide dedicated multi-segment metering for their respective inputs.
Clock
The
lights indicate the global sample rate (as chosen in the MOTU FireWire Audio Console software). The LOCK and TACH LEDs provide feedback for the Traveler’s on-board SMPTE synchronization features.
TRAVELER SIDE PANEL
MIDI I/O
The Traveler’s standard MIDI IN and MIDI OUT jacks supply 16 channels of MIDI I/O to and from the computer via the Traveler’s FireWire connection. Timing accuracy can be sample­accurate with host software that supports it.
Bus power
The Traveler can draw power from three possible sources:
1. the computer (via the FireWire cable connection between the Traveler and the computer)
2. an external battery pack (purchased separately)
3. a DC power supply
If you are using FireWire bus power only, then the Bus Power switch needs to be turned on. However, if you are using battery or DC power, and you do not wish to draw power from the computer (to conserve your laptop battery, for example), you can disable bus power by moving the Bus Power switch
Off
to the
position.
Battery power
The 4-pin XLR battery power jack allows you to connect a standard DC battery pack for extended remote recording. The battery pack must supply a minimum of 10-18 volts and 12 watts. For further details, contact your preferred supplier of professional audio/video equipment.
Power supply
If you do not want the Traveler to draw power from the computer, and AC power is available, you can power the Traveler from any standard 10-18V, 12 watt DC power supply with any polarity (tip positive or negative).
16-BIT AND 24-BIT RECORDING
The Traveler system handles all data with a 24-bit signal path, regardless of the I/O format. You can record and play back 16-bit or 24-bit audio files at any supported sample rate via any of the Traveler’s analog or digital inputs and outputs. 24-bit audio files can be recorded with any compatible host application that supports 24-bit recording.
AUDIODESK
AudioDesk is a full-featured, 24-bit audio workstation software package included with the Trave l er sy st em (for Macintosh only). AudioDesk provides multi-channel waveform editing, automated virtual mixing, graphic editing of ramp automation, real-time effects plug-ins with 32-bit floating point processing, crossfades, support for many third-party audio plug-ins, background processing of file-based operations, sample­accurate editing and placement of audio, and more.
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ABOUT THE TRAVELER
Page 13
DIGITAL PERFORMER
The Traveler system is fully integrated with MOTU’s award-winning Digital Performer audio sequencer software package.
OTHER HOST AUDIO SOFTWARE
The Traveler system includes a standard Mac OS X Core Audio driver for multichannel I/O with any audio application that supports Core Audio.
A COMPUTER-BASED SYSTEM
Regardless of what software you use with the Trave l er, t he ho st co m p uter determines the number of tracks the software can record and play simultaneously, as well as the amount of real-time effects processing you can apply to your mix. A faster computer with more RAM and faster hard drives will allow more simultaneous tracks and real-time effects than a slower computer with less RAM and slower hard drives. Today’s fastest computers can typically play as many as 72 tracks or more.
ABOUT THE TRAVELER
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ABOUT THE TRAVELER
Page 15
CHAPTER
Packing List & Mac System
2
Requirements
PACKING LIST
The Traveler ships with the items listed below. If any of these items are not present in your Traveler box when you first open it, please immediately contact your dealer or MOTU.
One Traveler I/O rack unit
One set of removable rack ears
One 1394 “FireWire” cable
One Traveler Mac/Windows manual
One AudioDesk Manual
One cross-platform CD-ROM
Product registration card
MACINTOSH SYSTEM REQUIREMENTS
The Traveler system requires the following Macintosh system:
A G3/300MHz Power Macintosh or faster
equipped with at least one FireWire port
At least 256 MB (megabytes) of RAM (512 MB
or more is recommended)
PLEASE REGISTER TODAY!
Please send in the registration card included with your Traveler system. As a registered user, you will be eligible to receive on-line technical support email and announcements about product enhancements as soon as they become available. Only registered users receive these special update notices, so please, complete and mail this registration card!
There is also an AudioDesk software registration card found at the beginning of your AudioDesk manual. Please be sure to fill out and return this card as well, so that you will be eligible to receive on-line technical support email and announcements about AudioDesk software enhancements as soon as they become available.
Thank you for taking the time to register your new MOTU products!
Mac OS X (version 10.2 or later)
A large hard drive (preferably at least 20 GB)
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16
PACKING LIST & MAC SYSTEM REQUIREMENTS
Page 17
CHAPTER
Installing the Traveler Hardware
3
OVERVIEW
Here’s an overview for installing the Traveler:
Important note before you begin! . . . . . . . . . . . . . . . . . . . 17
Ta k e the se p re caut ion s to prevent damage to your computer, the Traveler and other equipment.
Connect the Traveler interface . . . . . . . . . . . . . . . . . . . . . . . 18
Connect the Traveler to the computer.
Connect audio inputs and outputs . . . . . . . . . . . . . . . . . . 18
Make optical and analog connections as desired.
Connect MIDI gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Connect a controller, synth or control surface.
Power options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Choose from among several convenient options.
A typical Traveler setup (no mixer) . . . . . . . . . . . . . . . . . . . 23
An example setup for computer-based mixing/FX.
Using the Traveler with a mixer . . . . . . . . . . . . . . . . . . . . . . 24
An example setup for a mixer-based studio.
IMPORTANT NOTE BEFORE YOU BEGIN!
Before you begin installing the Traveler (or any bus-powered device), take these important precautionar y measures to avoid damaging the sensitive electrical components in your computer, the Traveler or other devices being connected:
Tur n o ff th e co mp u te r.
Tur n o ff the Tra v el er ’s front panel power switch.
Tur n o ff th e power of any other devices.
Tou ch t h e m e ta l casing of the Traveler to discharge any static electricity that you may be carrying just before the installation.
After you have made all of the necessary connections, as described in this chapter, turn on the devices in this sequence:
1. Turn on the computer.
2. Turn on the Traveler.
3. Turn on other devices connected to the Traveler.
Making sync connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
If you need to resolve the Traveler with other devices, make the necessary sync connections.
Do you need a synchronizer? . . . . . . . . . . . . . . . . . . . . . . . . 26
Sample-accurate sync . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Sample-accurate ADAT sync . . . . . . . . . . . . . . . . . . . . . . . . . 28
Sample-accurate ADAT sync with no synchronizer . . 29
Syncing to SMPTE time code. . . . . . . . . . . . . . . . . . . . . . . . . 30
Syncing to video and/or SMPTE time code using a
synchronizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Syncing optical devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Syncing S/PDIF and AES/EB U devices . . . . . . . . . . . . . . . . 33
Syncing word clock devices . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Syncing large systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Connecting multiple MOTU FireWire interfaces . . . . . 35
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CONNECT THE TRAVELER INTERFACE
1
Make sure your computer and the Traveler are
switched off.
2
Plug one end of the Traveler FireWire cable (included) into the FireWire socket on the computer as shown below in Figure 3-1.
Yo u can connect the Traveler to an 800Mbit
“FireWire B” port using a 9-pin to 6-pin FireWire B cable (not shown). However, the Traveler will still operate at its specified 400Mbit (FireWire A) data rate.
CONNECT AUDIO INPUTS AND OUTPUTS
The Traveler audio interface has the following audio input and output connectors:
8 balanced, +4 dB quarter-inch analog outputs
4 balanced +4/-10 dB quarter-inch analog
inputs
4 Neutrik™ XLR/quarter-inch analog inputs
with preamps
1 pair of RCA S/PDIF in and out
1 pair of AES/EBU in and out
3
Plug the other end of the FireWire cable into the Trave l er I/O as shown below in Figure 3-1.
1 pair of optical in/out switchable between
ADAT (“Lightpipe”) or optical S/PDIF (TOSLink)
Here are a few things you should keep in mind as you are making these connections to other devices.
Mic/guitar/instrument inputs
Connect a microphone, guitar or other similar instrument to the front-panel inputs, as recommended in the table below. If your microphone requires phantom power, move the 48V phantom power switch on the front panel to the right (enabled). Use the trim knobs on the front panel to adjust the input level as needed for each input. The LCD provides feedback for the current trim setting. The Traveler’s input trims are digital controlled, so they allow you to make fine-tuned adjustments in approximately 1dB increments. Use the four input level meters on the front panel (labeled ANALOG 1-4) to calibrate the level. These meters register for both the XLR and TRS input.
Input 48V phantom power Pad
Condenser mic On Off
Figure 3-1: Connecting the Traveler to the computer.
18
Dynamic mic Off Off
Guitar Off Off
Synth, sampler, etc. Off Off
+4dB line level input Off On
INSTALLING THE TRAVELER HARDWARE
Page 19
To t og gle th e pa d, push the input’s trim knob. The LCD provides feedback for the current pad setting. The pad settings above are recommended initial settings. Use the front-panel trim knobs to adjust input levels, and use the Traveler’s front-panel 4-segment meters to adjust the gain accordingly. If necessary, after adjusting the trim, you can enable or disable the pad as needed, depending on actual signal levels.
Quarter-inch analog
The quarter-inch analog inputs (5-8) and outputs (1-8) are balanced TRS connectors that can also accept an unbalanced plug. The outputs are all referenced to +4dBu. The inputs can be manually set to either +4 or -10dBu. Use the front panel controls to adjust the reference level (+4/-10) as needed for each input (or input pair) as follows:
1 Tur n t h e PA RAM kn ob until you see the “4/10” setting displayed in the LCD, as shown below.
If turning the PARAM knob doesn’t do anything, press the SETUP knob once, and then turn it.
S/PDIF “TOSLink” device. Just make the connections as needed and then you’ll set the format later in the MOTU FireWire Audio Console. Input and output are independent. For example, you could connect ADAT optical input from your digital mixer and connect TOSLink optical output to your DAT deck.
The optical S/PDIF jacks are disabled at the 4x sample rates (176.4 and 192kHz).
Analog outputs 1-2 can serve as main outs
Analog outputs 1-2 can serve as main outputs. The main out volume is controlled by the volume knob on the front panel. Push the knob to toggle between phone and main out volume control. In a standard studio configuration, the main outs are intended for a pair of studio monitors, but they can also be used as regular outputs for any purpose.
CONNECT MIDI GEAR
Connect your MIDI device’s MIDI IN jack to the Trave l er ’s M ID I O UT jack (Connection A below). Conversely, connect the MIDI device’s MIDI OUT jack to the Traveler’s MIDI IN jack (Connection B).
Figure 3-2: Setting the reference level for the four TRS analog inputs.
2 Tur n t he CURSOR knob until the desired input flashes.
3 Tur n ( o r press) the VALUE knob to toggle the input between a +4 or -10dB reference level setting.
Optical
Reminder: optical goes OUT to IN and IN to OUT, like MIDI. The optical jacks can be connected to either an ADAT “lightpipe” de v i ce or an optical
INSTALLING THE TRAVELER HARDWARE
Tra veler
rear panel
MIDI OUT
Connection A
MIDI Device
Figure 3-3: Connecting a MIDI device to the Traveler.
MIDI
cables
MIDI INMIDI
OUT
MIDI
IN
Connection B
One-way MIDI connections
MIDI devices that do not receive MIDI data, such as a dedicated keyboard controller, guitar controller, or drum pad, only need Connection B
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shown in Figure 3-3. Similarly, devices that never send data, such as a sound module, only need Connection A. Make both connections for any device that needs to both send and receive MIDI data.
Connecting additional gear with MIDI THRUs
If you need to connect several pieces of MIDI gear, run a MIDI cable from the MIDI THRU of a device already connected to the Traveler to the MIDI IN on the additional device as shown below in Figure 3-4. The two devices then share the Trave l er ’s M ID I O UT port. This means that they share the same set of 16 MIDI channels, too, so try to do this with devices that receive on only one MIDI channel (such as effects modules) so their receive channels don’t conflict with one another.
Tra veler
side panel
POWER OPTIONS
The Traveler can draw power from three possible sources:
1. the computer (via FireWire)
2. an external battery pack
3. a DC power supply
Figure 3-5: The Traveler’s battery and power supply options.
Bus power requirements
The Traveler draws all the power it needs from the FireWire bus connection to the computer. However, the FireWire connect ion to the computer must meet all of the requirements discussed below.
MIDI
OUT
MIDI
MIDI Device
Figure 3-4: Connecting additional devices with MIDI THRU ports.
20
IN
MIDI
THRU
MIDI
cable
MIDI IN
Additional device
6-pin FireWire connectors
The Traveler can only draw power over the FireWire bus from a 6-pin to 6-pin cable, or a 6-pin to 9-pin (FireWire B) cable. It cannot draw power from a FireWire cable with a 4-pin connector, as shown below:
YES
NO
6-pin FireWire
4-pin FireWire
Figure 3-6: 4-pin FireWire connectors cannot be used for bus power.
INSTALLING THE TRAVELER HARDWARE
Page 21
When ope rating und er bus power, daisy-chaining is not recommended
The Traveler can be daisy-chained with other FireWire devices from a single FireWire connection to the computer. However, if the Trave l er is operating under bus power, this is not recommended. If you need to daisy chain the Trave l er wit h ot he r d ev ices on the same FireWire bus, power the Traveler with a DC power supply (or battery), and turn off the Bus Power switch on the side panel. The other devices on the chain should also have their own power supply. In general, bus-powered FireWire devices should not be daisy-chained.
FireWire adapter products must be powered
If you are using a FireWire adapter (a third-party product that supplies one or more FireWire ports to your computer), it must have direct access to a power supply:
PCI FireWire cards — If you plan to connect the
Trave l er to a P CI card and run the Traveler under bus power, the PCI card must have a direct connection to the power supply harness inside your computer. This is the same power supply harness to which you connect internal hard drives, CD/DVD drives, etc.
PCMCIA slot adapters — If you plan to connect
the Traveler to a PC card FireWire adapter (inserted in the PC card slot in your laptop), it must provide a 6-pin connection and it must also have its own power supply. Most commonly, these types of products have a DC power adapter that plugs into an AC wall outlet. As you can see, however, this situation does not allow for remote battery operation, as the PC card adapter requires AC.
Examples of bus- powered operation
Here are a few typical examples of bus-powered Tr a v e l e r operation:
Bus power from a desktop computer
Yo ur de s k t op c om puter is running off of its usual AC power connection, and the Traveler draws power from the FireWire cable connected to the computer. There are no limits to running time.
Bus power from an AC-powered laptop
This scenario is identical to the desktop situation described above: the laptop is powered by AC, the Trave l er is po we re d via t he FireWire bus and there are no limits to running time.
Bus power from a battery-powered laptop
The laptop is being powered by its own battery, and the Traveler is being powered by its FireWire connection to the computer. So the laptop battery is supplying power to both the laptop and the Trave l er. T hi s i s the mo st compact and portable operat ing scenario. Running time is determined by the capacity of the laptop battery. For extended recording sessions, bring extra, fully charged laptop batteries.
Powering the Traveler from a battery pack
The 4-pin XLR battery jack on the Traveler side panel allows you to connect a standard DC battery pack, which is ideal for extended remote recording. These products can provide multiple hours of operation, depending on their capacity. The battery pack should supply 10-18 volts and 12 watts. A typical application would employ a 12 volt battery, therefore requiring 1 amp. In this scenario, a 1 amp-hour battery will power the unit for 1 hour. A 10 amp-hour battery will power the unit for 10 hours. Follow the manufacturer’s recom­mendations for battery discharge for proper battery maintenance. For further details, contact your p referred supplier of professional audio/video equipment.
INSTALLING THE TRAVELER HARDWARE
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DC power supply
If you do not want the Traveler to draw power from the computer, and AC power is available, you can power the Traveler from any standard 8-18 volt, 12 watt DC power supply with any polarity (tip positive or negative), and amperage as shown below. To prevent the Traveler from drawing power from the computer, turn off the Bus Power switch.
Voltage Amperage
9 volts 1.33 amps
12 volts 1 amp
18 volts 0.66 amps
The Bus Power Enable/Disable switch
The Bus Power Enable/Disable switch on the side panel of the Traveler lets you control whether or not the Traveler draws power from the computer via FireWire.
For example, when battery or DC power supply options are not being used, and FireWire is the only available power source, t urn on the Bus Power switch.
If you are powering the Traveler via battery or DC power supply, and you do not want it to draw power from the computer (perhaps because it is a laptop running under its own battery, and you don’t want the Traveler to run down the laptop’s battery unnecessarily), turn off the Bus Power switch.
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INSTALLING THE TRAVELER HARDWARE
Page 23
A TYPICAL TRAVELER SETUP (NO MIXER)
Here is a typical Tr a v e l e r studio setup. This rig can be operated without an external mixer. All mixing and processing can be done in the computer with audio software. During recording, you can use the
Tr av el er ’s Cu eM ix ™ DSP no-latency monitoring to listen to what you are recording via the main outs, headphone outs, or any other output pair. You can control monitoring either from the front panel or from the included CueMix Console software.
synthesizer
MIDI IN
MIDI OUT
quarter-inch
analog outs
monitors
guitars (with or without an amp)
Mac
Tra vel er
back panel
AES/EBU
Digital reverb or other
outboard gear
headphones
FireWire
Digital processor or
other outboard gear
Tra vel er front panel headphone
jack
Analog
sends
ADAT optical
Figure 3-7: A typical Traveler studio setup.
Analog outputs (stage
monitors, surround
monitors, etc.)
S/PDIF
DAT deck
Analog returns
mics
Compre ssor, reverb or other
analog outboard gear
INSTALLING THE TRAVELER HARDWARE
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USING THE TRAVELER WITH A MIXER
While there are many ways to use the Traveler with an external mixer, typically the Traveler serves as a mult i-cha nnel “p ipeli ne” between the mixer and the computer. If your mixer is analog, connect the analog section of the Traveler to your mixer. If your mixer is digital, and it has ADAT optical I/O, you can connect them optically as shown below in Figure 3-8. The Traveler’s available analog, SPDIF
Mac
FireWire
and AES/EBU inputs and outputs can serve as an extension to the mixer I/O, but then you will probably find yourself mixing in two places: the mixer and the computer. A word of advice: if you would like to use the Traveler with an external mixer, use the mixer for mixing. Trying to mix large multitrack projects in two places can become very cumbersome very quickly.
24
8-channel digital I/O
ADAT optical
synths, samplers, etc.
synthesizers
digital mixer
Figure 3-8: Using the Traveler with a digital mixer.
INSTALLING THE TRAVELER HARDWARE
Page 25
MAKING SYNC CONNECTIONS
If you connect devices digitally to the Traveler, or if you need to synchronize the Traveler with an outside time reference such as SMPTE time code, you must pay careful attention to the synchroni­zation connections and clock source issues discussed in the next few sections.
Do you need to synchronize the Traveler?
If you will be u sin g on ly the Tra vel er’s a nalo g in put s and outputs (and none of its digital I/O), and you have no plans to synchronize your Traveler system to SMPTE time code, you don’t need to make any sync connections. You can skip this section and proceed to chapter 4, “Installing the Traveler Mac OS X Software” (page 39). After you install the Trave le r s of twa r e, you’l l open the MOTU FireWire Audio Console and set the Clock Source setting to Inter nal as shown below. For details, see chapter 5, “MOTU FireWire Audio Console” (page 43).
Figure 3-9: You can run the Traveler under its own internal clock when it has no digital audio connections and you are not synchronizing the Traveler system to an external time reference such as SMPTE.
Situations that require synchronization
There are three general cases in which you will need to resolve the Traveler with other devices:
Synchronizing the Traveler with other digital
audio devices so that their digital audio clocks are phase-locked (as shown in Figure 3-10)
Slaving the Traveler system to SMPTE time code
from a video deck, analog multi-track, etc.
Both of the above
Synchronization is critical for clean digital I/O
Synchronization is critical in any audio system, but it is especially important when you are transferring audio between digital audio devices. You r su ccess in using the Traveler’s digital I/O features depends almost entirely on proper synchronization. The following sections guide you through several recommended scenarios.
Be sure to choose a digital audio clock master
When you transfer digital audio between two devices, their audio clocks must be in phase with one another — or phase-locked. Otherwise, you’ll hear clicks, pops, and distortion in the audio — or perhaps no audio at all.
Not phase-locked Phase-locked
Device A
Device B
Figure 3-10: When transferring audio, two devices must have phase­locked audio clocks to prevent clicks, pops or other artifacts.
There are two ways to achieve phase lock: slave one device to the other, or slave both devices to a third master clock. If you have three or more digital audio devices, you need to slave them all to a single master audio clock.
Master
Slave
Figure 3-11: To keep the Traveler phased-locked with other digital audio devices connected to it, choose a clock master.
Master
Slave Slave
Also remember that audio phase lock can be achieved independently of time code (location). For example, one device can be the time code master while another is the audio clock master. But only one device can be the audio clock master. If you set things up with this rule in mind, you’ll have trouble-free audio transfers with the Traveler.
INSTALLING THE TRAVELER HARDWARE
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DO YOU NEED A SYNCHRONIZER?
Whether or not you’ll need a synchronizer depends on your gear and what you will be doing with your Trave l er sy st em . The following pages give you specific information about common sync scenarios. At least one of them will likely apply to you. Here are some general considerations to help you figure out if you need (or want) a synchronizer for your Traveler system.
Yo u don’t need a synchronizer if...
As explained earlier, the Traveler’s digital audio clock must be phase-locked (synchronized) with other connected digital audio devices to achieve clean digital transfers between them. Can this be accomplished without an additional digital audio synchronizer? It depends on the nature of the other devices, and what you want to do with them. You don’t need a synchronizer if the device has a way of locking itself directly to the Traveler’s clock (via ADAT lightpipe, S/PDIF, AES/EBU or word clock), AND if the device carries no sense of location in time. A digital mixer is a good example: it can slave to its ADAT lightpipe connection from the Traveler, and it has no sense of time; it just passes audio through for mixing.
A stand-alone digital recorder, on the other hand, does have a sense of location in time, either via SMPTE time code or via its own sample address. For example, if you want to fly tracks back and forth between your computer and an Alesis hard disk recorder while maintaining the audio’s position in time, the ADAT Sync port on the Trave l er le ts you do so without a separate synchronizer — and with sample-accurate precision, as long as you’re using AudioDesk, Digital Performer, or other sample-accurate software. Just connect the Traveler directly to the Alesis recorder (or other ADAT Sync-compatible device) as discussed in “Sample-accurate ADAT sync with no synchronizer” on page 29. But if you also want transport control over the entire rig
(including the hard disk recorder) from your audio software, you’ll need a MIDI Machine Control­compatible synchronizer such as MOTU’s MIDI Timepie ce AV, as discussed in “Sample-accurate sync” on page 27. If you are simply using a stand­alone recorder as a way to capture live tracks that you then transfer in one pass into the computer, no synchronizer is required because the tracks will remain in perfect phase lock with each other as you transfer them together. You can simply slave the stand-alone recorder to the optical output from the Trave l er as ex pl ai ned in “Syncing optical devices” on page 32.
Transpor t control from your computer
If you have stand -alone d igital recorders connected to the Traveler, and they support ADAT Sync, your audio software — if it supports MIDI Machine Control (MMC) — allows you to control the transports of everything from your computer. Most advanced audio programs support MMC. To do this, you’ll also need an MMC-compatible ADAT synchronizer such as a MOTU MIDI Timepiece AV. Synchronizers like these allow you to play, stop, rew ind and locate all of your tape decks using the transport controls in the audio software. If your audio software supports sample­accurate sync (like Digital Performer and Audio Desk), you can do so with sample-accurate precision. The following pages show you how to achieve MMC control, where possible.
Continuous sync to SMPTE / MTC
The Traveler can synchronize directly to SMPTE time code. If your audio software supports sample­accurate sync (like Digital Performer and Aud ioDes k), i t ca n also res olve to time code via the Trave le r. If yo ur sof tw ar e does not support sample­accurate sync, you need a dedicated synchronizer, as illustrated on the following pages.
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INSTALLING THE TRAVELER HARDWARE
Page 27
SAMPLE-ACCURATE SYNC
Yo ur Tr av el er s ystem provides you with the most advanced, accurate synchronization possible with Alesis modular digital tape decks and hard disk recorders — or any device that supports sample­accurate ADAT sync. Figure 3-12 below shows a few best-case scenarios. Below is a brief explanation of the benefits you achieve with these setups.
Sample accurate locating
With sample accurate locating, when you transfer audio between AudioDesk (or any other sample­accurate host software) and a sample-accurate recorder, the audio will not drift in time — even by as little as one sample. This is the tightest possible synchronization between digital audio devices. The timing in your audio w ill not be affe cted in any way by the process of transferring it between the Trave l er an d the recorder.
Is your audio software sample-accurate?
Sample-accurate locating is only possible with software that supports this feature, such as AudioDesk or Dig ital Performer.
Transpor t control from your computer
If you have a MIDI Timepiece AV, Digital Timepiece or any ADAT synchronizer that also supports MIDI Machine Control (MMC), you can play, stop, rewind and locate all of your ADATs using the transport controls in the audio software running on your computer. This includes cueing features like markers, position bars, playback wipers, time rulers, etc.
Figure 3-13: Audi oDesk and Dig ital Performer support sample­accurate transfers with ADAT Sync compatible digital tape decks and modular hard disk recorders.
Sample
Sync format Software Synchronizer
ADAT AudioDesk or Digital Per-
ADAT AudioDesk or Digital Per-
ADAT AudioDesk or Digital Per-
Figure 3-12: These recommended combinations of hardware and software offer the tightest sync possible between the Traveler and digital audio recorders in the form of sample-accurate locating between the software and the tape decks. Sample accurate locating is possible even without a MIDI Timepiece AV or Digital Timepiece, although you give up transport control from the computer.
INSTALLING THE TRAVELER HARDWARE
former
former
former
MIDI Timepiece AV or Digital Timepiece
BRC (or any MMC capa­ble ADAT synchronizer)
None Yes No No
accurate locating
Yes Yes Yes
Yes Yes Yes
Transport control from computer
Continuous sync to SMPTE / MTC
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SAMPLE-ACCURATE ADAT SYNC
The Traveler can achieve sample-accurate sync with ADATs, Alesis hard disk recorders or any ADAT Sync-compatible devices. Sample-accurate software is required, such as AudioDesk, Digital Perfor mer or compat ible software that also supports sample-accurate sync. Connect the Trave l er to th e end of the ADAT Sync chain and make the software settings shown below in Figure 3-14. If you will be using the stand-alone recorder for its analog inputs and outputs only (you won’t be doing any recording with it), treat it as an ‘optical’ device. See “Syncing optical devices” on page 32.
In AudioDesk or Digital Performer:
1. Choose Receive Sync the Setup menu.
2. Choose the Sample-accurate option shown to the left.
3. Make sure that Slave to External Sync is checked in the Studio menu.
Macintosh computer running AudioDesk, Digital Perf ormer or other sample-accurate software.
FireWire
If you have a MOTU synchronizer, set its sync mode to Internal.
USB cable (bi-directional MIDI connection)
bearing MMC transport commands from
MIDI Timepiece AV (or other synchronizer)
AudioDesk or
Digital Performer to the
Digital Timepiece, MIDI Timepiece AV,
Alesis BRC or any other MMC-compatible
ADAT synchronizer
ADAT
Sync Out
Use this setup if you have:
ADATs, Alesis hard disk recorders or any ADAT SYNC
compatible device(s).
A MOTU Digital Timepiece, MIDI Timepiece AV or other
ADAT synchronizer.
Host software that supports sample-accurate sync.
This setup provides:
Sample-accurate locating between all ADAT SYNC-compati-
ble devices, the Traveler and your software (AudioDesk, Digital Performer or other sample-accurate software).
With a Digital Timepiece, this setup provides sample-accurate
locating across all devices: ADAT, Tascam and the Traveler.
Transport control of everything from the computer, OR
continuous sync to SMPTE time code and other sync sources (the other source is the transport master in this case).
To s et the Traveler hardware clock source for sample­accurate sync:
1. In AudioDesk or Digital Performer, choose Configure Audio System>Configure Hardware Driver from the Setup menu, or run the MOTU FireWire Audio Console.
2. Choose ADAT 9-pin from the Clock Source menu as shown to above.
3. Make sure the Sample Rate setting matches the recorder and synchronizer.
ADATs
FireWire
Figure 3-14: Connections for sample-accurate ADAT sync.
28
Sync In
Sync Out
Sync In
Sync Out
Sync In
Sync Out
Sync In
ADAT
sync cables
etc.
In AudioDesk or Digital Perf ormer, turn on MIDI Machine Control by pressing this button. This brings on line all the recorders connected to the DTP or MTP AV.
AudioDesk automatically scans the DTP or MTP AV for connected recorders, and they appear here.
INSTALLING THE TRAVELER HARDWARE
Page 29
SAMPLE-ACCURATE ADAT SYNC WITH NO SYNCHRONIZER
Even if you don’t have an ADAT synchronizer, you can achieve sample-accurate sync between ADAT­sync compatible devices, a Traveler, and any sample-accurate software (such as AudioDesk or Digital Performer). Just connect the Traveler to the end of the ADAT sync chain as shown below. You don’t get transport control from your computer, nor can you slave the system to SMPTE time code. Instead, you have to play, stop, rew ind and cue the system from the transports on your recorder. If you’re using the recorder as an additional source of analog inputs and outputs only (not for recording), see “Syncing optical devices” on page 32.
In AudioDesk or Digital Performer:
1. Choose Receive Sync the Setup menu.
2. Choose the Sample-accurate option shown to the left.
3. Make sure that Slave to External Sync is checked in the Studio menu.
Macintosh computer running AudioDesk or Digital Performer
With no s ynchronizer, the ADAT
that is the master of the ADAT sync chain becomes transport
master over everything, including
your audio software.
FireWire
ADATs
Sync Out
Sync In
Sync Out
ADAT
sync cables
Use this setup if you have:
ADATs, Alesis hard disk recorders or any ADAT SYNC
compatible device(s).
No ADAT synchronizer.
Host software that supports sample-accurate sync.
This setup provides:
Sample-accurate locating between all ADAT SYNC-compati-
ble devices, the Traveler and your software (AudioDesk, Digital Performer or other sample-accurate software).
No transport control of everything from the computer.
No sync to SMPTE time code or other sync sources.
To s et the Traveler hardware clock source for sample-accurate sync:
1. In AudioDesk or Digital Performer, choose Configure Audio System>Configure Hardware Driver from the Setup menu, or run the MOTU FireWire Audio Console.
2. Choose ADAT 9-pin from the Clock Source menu as shown to above.
3. Make sure the Sample Rate setting matches the recorder and synchronizer.
In AudioDesk or Digital Performer:
1. Make sure that Slave to External Sync is checked in the Studio menu.
2. Click the play or record button. The software will then wait for you to start your record er.
Sync In
Sync Out
FireWire
Sync In
Figure 3-15: Sample-accurate sync between AudioDesk or Digital Performer and one or more ADAT-sync compatible devices — without an ADAT synchronizer.
INSTALLING THE TRAVELER HARDWARE
etc.
3. Press the Play button on the front panel of your recorder to initiate playback or recording.
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SYNCING TO SMPTE TIME CODE
The Traveler system can resolve directly to SMPTE time code. It can also generate time code and word clock, under its own clock or while slaving to time code. Therefore, the Traveler can act both as an audio interface and digital audio synchronizer, to which you can slave other digital audio devices. Yo u c a n u se the Traveler to slave your audio software to SMPTE as well, as long as your software supports sample-accurate sync, which is the means by which the software follows the Traveler. The accuracy may not be sample-accurate, but in most cases it will be very close.
In AudioDesk or Digital Performer:
1. Choose Receive Sync the Setup menu.
2. Choose the Sample-accurate option shown to the left.
3. Make sure that Slave to External Sync is checked in the Studio menu.
SMPTE time code source
Use this setup if you have:
A SMPTE time code source, such as a multitrack tape deck.
A Traveler by itself, OR with another slaved device (such as a
digital mixer).
Host software that supports sample-accurate sync.
This setup provides:
No sample-accurate locating.
Continuous sync to SMPTE time code.
Sub-frame timing accuracy.
Transport control from the SMPTE time code source.
Choose SMPTE as the clock source in AudioDesk, Digital Performer, or the MOTU FireWire Audio Console. This setting can also be made in the MOTU SMPTE Console (shown below).
When lockup is achieved, the LOCK
light illuminates and the TACH light audio cable bearing LTC (Longitudinal Time Code)
Any analog input
Analog
Word
out
Out
audio
cable
Other digital audio device
slaved to the Traveler
Figure 3-16: Connections for synchronizing the Traveler directly to SMPTE time code.
video cable
FireWire cab le
Macintosh computer running
AudioDesk, Digital Performer or other
sample-accurate software.
blinks once per second.
Tra vel er interface
30
Launch the MOTU SMPTE Console to specify the time code input, frame rate and amount of freewheel. Also, confirm that the Clock Source/Address is SMPTE/SMPTE. For details about the other settings, see chapter 12, “FireWire SMPTE Console” (page 87).
INSTALLING THE TRAVELER HARDWARE
Page 31
SYNCING TO VIDEO AND/OR SMPTE TIME CODE USING A SYNCHRONIZER
If your host audio software does not support the Tr ave le r’s o n- bo ard SMPTE sync features (because your software does not support sample-accurate sync), you need a universal synchronizer, such as a MOTU MIDI Timepiece AV. These dedicated sync boxes can read video and SMPTE time code and then convert it into word clock and MIDI Time Code (MTC). The word clock goes to the Traveler to resolve the audio hardware, and MIDI Time Code is fed to your host audio software, which locks to it, as shown below in Figure 3-17.
Use this setup if you have:
Video and/or a SMPTE time code source.
A Digital Timepiece, MIDI Timepiece AV or other universal
synchronizer.
Host software that does not support sample-accurate sync
(although you can use this setup even if it does).
This setup provides:
No sample-accurate locating.
Continuous sync to SMPTE time code.
Sub-frame timing accuracy.
Transport control from the SMPTE time code source.
Video deck or other source for video and/or SMPTE time code
Audio cable bearing LTC (Longitudinal Time Code)
MOTU MIDI Timepiece AV or Digital Timepiece slaving to video and/or SMPTE time code
word clock MIDI Time Code
Tra veler
Choose Word Cl ock In as the clock source in the MOTU FireWire Audio Console application. If you have multiple interfaces connected, be sure to choose the Word Clock In option that corresponds to the interface receiving the clock signal.
Figure 3-17: If your host audio software does not support sample-accurate sync and the Traveler’s built-in SMPTE sync features, use a universal synchronizer such as the MOTU MIDI Timepiece AV or Digital Timepiece.
INSTALLING THE TRAVELER HARDWARE
(Via MIDI interface)
Set up your audio software to slave to MIDI Time Code.
Macintosh computer running any audio software
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SYNCING OPTICAL DEVICES
Mac
The word optical is our short-hand way of referring to any device that connects to the Traveler via an optical cable. But we make a further distinction: an optical device is also one that doesn’t care about sample location. An example is a digital mixer. Since a digital mixer is not a recording device, it has no sense of sample location like an ADAT does. An ADAT can cue to a specific sample number (e.g. sample number 43,478, 103) — as can any device that supports ADAT sync, but most digital mixers simply mix and process audio digitally, with no sense of a specific sample location. There are many other devices that fall into this category, including digital effects processors, synthesizers, A/D converters, and many more.
For ADATs or other devices that support ADAT sync, synchronize them with the Traveler as described in the previous sections of this chapter.
For optical devices, such as digital mixers, all you have to do is make sure that their digital audio clock is phase-locked (in sync with) the Traveler. There are three ways to do this:
Slave the optical device to the Traveler
Slave the Traveler to the optical device
Slave both the optical device and the Traveler to
a third master clock (such as a Digital Timepiece or MIDI Timepiece AV synchronizer)
Tra veler
Digital mixer
or other optical
device
Tra veler
Clock Source setting =
Internal, or any clock source
setting except Optical. The o ptical
device slaves to the Traveler (via its
optical cable connection).
ADAT Optical OUT
ADAT Optical IN
MIDI Timepiece AV
set to Internal
Digital mixer
or other optical
device
Digital mixer
or other optical
Tra veler
Word Clock Out
Word Clock IN
device
bi-directional
optical
ADAT Optical OUT
ADAT Optical IN
ADAT Sync out
ADAT sync in
With this setup, in the MOTU FireWire Aud io Console, choose the Optical clock source setting. The Traveler slaves to the optical device via their optical cable connection.
Tra vel er
Clock Source setting =
optical
Tra vel er
Clock Source setting =
ADAT 9-pin
Compu ter with Traveler
Figure 3-18: Three setups for synchronizing an optical device with the Traveler. You can slave the optical device to the Traveler or vice versa with their optical connections. For more elaborate setups, you can slave both to a digital audio synchronizer like the Digital Timepiece. Don’t use any of these setups for an ADAT or other optical device that records. Instead, see “Sample-accurate ADAT sync” on page 28.
32
INSTALLING THE TRAVELER HARDWARE
Page 33
SYNCING S/PDIF AND AES/EBU DEVICES
DAT decks an d other devices with S/PDIF and/or AES/EBU digital I/O will sync to the Traveler in one of two ways:
Via the S/PDIF or AES/EBU connection itself
Via word clock
Devices with no word clock
If your S/PDIF or AES/EBU device has no word clock sync connectors, just connect it to the Trave l er via t he S/PDIF or AES/EBU connectors. When the device records a digital audio signal (from the Traveler), it will simply synchronize to the clock provided by the digital audio input.
On the other hand, when you transfer audio from the S/PDIF or AES/EBU device into the Traveler, you’ll have to slave the Traveler to its S/PDIF or AES/EBU input. If you have other digital audio devices connected to the Traveler, and they are not slaved directly to the Traveler itself, you may hear clicks and pops resulting from their unsynchro­nized audio clock. If so, just turn them off during the transfer.
Devices with word clock
If your S/PDIF or AES/EBU device has a Word Clock input, slave the device to the Traveler via their word clock connection. You can then freely transfer audio between the Traveler and the S/PDIF device.
Tra veler
S/PDIF or AES/EBU
S/PDIF or AES/EBU
S/PDIF or AES/EBU
device
Figure 3-19: Two setups for synchronizing an S/PDIF device with the Traveler. In the top diagram, sync is achieved via the digital I/O connection itself. In this case, you have to choose S/PDIF or AES/EBU as the Traveler’s clock source when recording from the other device. If you don’t want to have to worry about switching the Clock Source setting depending on the direction of the digital transfer, you can slave the other device to word clock from the Traveler or vice versa (not shown). The Word Clock connection maintains sync, regardless of the direction of the transfer.
Internal (when transferring from the
Tra vel er
Clock Source setting =
Tra vel er to the other device)
Tra veler
S/PDIF or AES/EBU
device
With this setup, in the MOTU FireWire Audio Console window, choose Internal, or any other clock source setting except SPDIF or AES/EBU. The other device slaves to the Traveler via word clock for digital transfers in both directions.
S/PDIF or AES/EBU (when transferring from the other device to the Traveler)
Tra vel er
Clock Source setting = Internal
Word Clock Out
Word Clock In
Tra vel er
Clock Source setting =
SPDIF or AES/EBU
SPDIF or AES/EBU
INSTALLING THE TRAVELER HARDWARE
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SYNCING WORD CLOCK DEVICES
The Traveler word clock connectors allow you to synchronize it with a wide variety of other word clock-equipped devices.
For standard word clock sync, you need to choose an audio clock master (as explained in “Be sure to choose a digital audio clock master” on page 25). In the simplest case, you have two devices and one is the word clock master and the other is the slave as shown below in Figure 3-20 and Figure 3-21.
Master
Word clock OUT
Word clock IN
Slave
Figure 3-20: Slaving another digital audio device to the Traveler via word clock. For the Traveler clock source, choose any source besides word clock, as it is not advisable to chain word clock.
MOTU Digital Timepiece universal synchronizer
Audio
clock
Master
Slave
Figure 3-21: Slaving the Traveler to word clock. For the Traveler clock source, choose ‘Word Clock In’.
Word clock OUT
Word clock IN
Tra veler
Other device
Tra veler
Don’t chain word clock
If you have three or more digital audio devices that you need to synchronize, avoid chaining their word clock connections (OUT to IN, OUT to IN, etc.), as this causes problems. Instead, use a dedicated synchronizer like the Digital Timepiece or a word clock distribution device of some kind.
Slaving to 2x and 1/2x word clock
All MOTU FireWire audio interfaces that support 96 and 192 kHz operation (including the 896HD) have the ability to slave to a word clock signal running at the 1x sample rate that corresponds to their current clock rate. For example, the Traveler could be running at 192 kHz while slaving to a 48 kHz word clock signal from a MOTU MIDI Timepie ce AV. Simi larly, the Traveler could run at
88.2 kHz and slave to 44.1 kHz word clock. In all of these cases, the front panel clock LEDs flash both sample rates to indicate that the Traveler is slaving to word clock at the corresponding 1x clock rate. But if the Traveler is running at 96 kHz, it cannot slave to word clock running at 44.1 kHz.
SYNCING LARGE SYSTEMS
If you are connecting the Traveler to a lot of other digital audio gear, get a word clock distribution device, which offers multiple word clock outputs.
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INSTALLING THE TRAVELER HARDWARE
Page 35
CONNECTING MULTIPLE MOTU FIREWIRE INTERFACES
Yo u c a n d ai sy-chain up to four MOTU FireWire interfaces on a single FireWire bus, with the restrictions described in the following sections. Most computers have only one built-in FireWire bus (even if it supplies multiple FireWire sockets). Connect them as follows:
Mac
FireWire
FireWire
FireWire
FireWire
FireWire
FireWire
FireWire
FireWire
Figure 3-22: Connecting multiple Traveler’s (or other MOTU FireWire audio interfaces) to a computer.
Word Clock Out
Word Clock In
Word Clock Out
Word Clock In
Word Clock Out
Word Clock In
For two
interfaces,
slave one to
the other.
You can probably
get away with
daisy-chaining
three interfaces,
although a word
clock distribu-
tion device is
recommended.
This is risky. A
word clock distri-
bution device is
highly recom-
mended.
Multiple interfaces cannot be bus-powered
Do not run the Traveler under bus power when connecting it with other devices to the same FireWire bus. See “Power options” and “Bus power requirements” on page 20.
Multiple interfaces in the MOTU FireWire Audio Console
The MOTU FireWire Audio Console displays the settings for one interface at a time. To view the settings for an interface, click its tab as shown below in Figure 3-23.
Figure 3-23: To view the settings for an interface, click its tab.
Synchronizing multiple interfaces
Mac OS X provides an advanced, flexible driver model that allows multiple Core Audio drivers to be active at one time, accessed by multiple applications simultaneously. For example, you can run both FireWire and PCI audio interfaces at the same time, accessing all of their inputs and outputs from your host audio application — or even multiple applications — simultaneously.
A by-product of this more flexible model is that multiple devices must be synchronized to one another in order to remain resolved to each another. Without synchronization, the audio streams going to each interface might drift with respect to one another. For example, the audio tracks playing back through the Traveler might drift out of sync with the audio tracks playing back through your 2408mk3 PCI interface. Syn chroni zing t hem to each other ensures that they remain as tightl y and continuously phase-locked as if they were operating as one unified interface.
INSTALLING THE TRAVELER HARDWARE
35
Page 36
There are two ways to synchronize the Traveler with other devices, as discussed in the following sections: via the driver or via word clock.
Resolving to other Core audio drivers
The MOTU FireWire driver has the ability to resolve to other Core Audio drivers. This allows the Trave l er, a nd ot her MOTU FireWire interfaces, to resolve to other audio interfaces running simulta­neously on the same computer, such as the Mac’s built-in audio, a PCI-424 core system, or even 3rd-party interfaces, without the need for external word clock connections between the devices. Doing so ensures that audio tracks being played or recorded by your MOTU FireWire interface will not drift apart from tracks on the other device during long playback or recording passes.
Figure 3-24: To resolve a MOTU FireWire interface to another Core Audio device, choose the other device from the Clock Source menu in the MOTU FireWire Audio Console. In this example, the Traveler will slave to the 828mkII.
To s y n chr on iz e mu lt ip le devices via the MOTU FireWire driver, choose one device (PCI, FireWire or other wise) as the master clock and then slave the Trave l er an d o th er FireWire devices to it. All interfaces will remain resolved to each other via the master interface.
Make the Clock Source settings for each interface as follows:
For the master interface, click its tab in the
FireWire Console and choose any clock source you wish (except any of the slave interfaces, of course).
For each slave interface, click its tab and choose
the master interface from the Clock Source menu, as demonstrated below in Figure 3-24. This causes the slave interfaces to resolve to the master interface.
If you have multiple Travelers, choose one as the master, and set its Clock Source to Internal. Then, click the tab of the other Travelers and set their Clock Source to the first Traveler.
Resolving to word clock
To r es o lve two Traveler FireWire interfaces with each other via word clock, choose one as the word clock master and then slave the second interface to the first, as shown in Figure 3-22 on page 35. For three interfaces, you can probably get away with daisy-chaining them via their word clock connectors, but this may not always produce the most reliable results. For three or more devices, a word clock distribution device is highly recommended. In this case, the distribution box is the master, and all FireWire interfaces slave direc tly to it (instead of to each other).
Connecting other MOTU FireWire interfaces
Yo u can add an original MOTU 828 to the end of a FireWire daisy chain (because the 828 has only one FireWire por t), or you can mix and match multiple 828’s with other MOTU FireWire interfaces using a standard FireWire hub. You can also add 828mkII’s
36
INSTALLING THE TRAVELER HARDWARE
Page 37
or 896HD’s, which have two FireWire ports convenient for daisy-chaining. Up to four interfaces can be combined on one FireWire bus.
Operating multiple FireWire interfaces at high sample rates
Four MOTU FireWire interfaces can operate at
44.1 or 48kHz on a single FireWire bus. At the 2x samples rates (88.2 or 96kHz) and 4x sample rates (176.4 and 192kHz), you can operate no more than three FireWire interfaces on a single FireWire bus.
Adding additional interfaces with a second FireWire bus
Third-party FireWire bus expansion products in the form of a cardbus (“PC card”) adaptor or PCI card allow you to add a second FireWire bus to your computer. In may be possible to add additional MOTU FireWire interfaces connected to such a third-party product, depending on the performance of the product and the performance of your host computer.
INSTALLING THE TRAVELER HARDWARE
37
Page 38
38
INSTALLING THE TRAVELER HARDWARE
Page 39
CHAPTER
4 Installing the Traveler Mac OS X
Software
OVERVIEW
Software installation for Mac OS X . . . . . . . . . . . . . . . . . . . 39
CueMix Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
FireWi re SMPTE Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
AudioDesk workstation software . . . . . . . . . . . . . . . . . . . . 41
SOFTWARE INSTALLATION FOR MAC OS X
Install the Traveler software as follows:
1 Insert the MOTU FireWire Installer disc and launch the installer.
2 Follow the directions that the installer gives you.
The Traveler Core Audio driver
Core Audio is a term that refers to the software technology built into Mac OS X that provides all of its standardized audio features. More specifically, we use Core Audio to refer to Mac OS X’s standard audio driver model. A Core Audio driver allows the Trave l er to es ta blish audio input and output with any Mac OS X Core Audio-compatible software.
Once the Traveler’s Core Audio driver has been successfully installed (by the installer), and you have chosen it for use in your host audio software, the Traveler will appear as a choice for audio inputs
What does the OS X installer do?
and outputs in your software. The installer checks the computer to make sure it satisfies the minimum system requirements for your MOTU interface. If so, the installer proceeds with the OS X installation. Drivers are installed, along with the MOTU FireWire Audio Console, FireWire CueMix Console, and several other
All MOTU audio hardware, including our PCI
systems and other FireWire interfaces, ship with
Core Audio drivers that allow them to operate
successfully with virtually all Mac OS X audio
software.
applications, summarized in the following table:
Software component Location Purpose For more information
MOTU FireWire Core Audio driver
/System/Library/ Extensions
Provides Traveler multi-channel audio input and output with all Mac OS X audio software
“The Traveler Core Audio driver” on page 39
MOTU MIDI driver (.kext) /Library/Audio/
MOTU FireWire Audio Console Applications folder Provides access to all of the settings in the
FireWire SMPTE Console Applications folder Provides access to the Traveler system’s
AudioDesk Workstation Software Applications folder Provides complete multi-track recording,
AudioDesk Demo Project Anywhere you want Provides a multi-track mix that you can open,
FireWire CueMix Console Applications folder Gives you complete control over the Traveler’s
MIDI Drivers
Provides Traveler MIDI input and output for all Mac OS X MIDI software
Traveler and other MOTU FireWire inter­faces. Required for Traveler operation.
SMPTE time code sync features.
mixing and processing. Optional.
play, and mix in AudioDesk. Optional.
CueMix DSP feature, which provides no­latency monitoring and mixing of live inputs through your Traveler system.
“CoreMIDI and Audio MIDI Setup” on page 40
chapter 5, “MOTU FireWire Audio Console” (page 43)
chapter 12, “FireWire SMPTE Console” (page 87)
AudioDesk User Guide
AudioDesk User Guide
chapter 11, “CueMix Con­sole” (page 79)
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Page 40
CoreMIDI and Audio MIDI Setup
CoreMIDI is the “under-the-hood” portion of Mac OS X that handles MIDI services for MIDI hardware and software. CoreMIDI provides many universal MIDI system management features, including MIDI communication between your Trave l er Fi re Wi re i nte rface and all CoreMIDI compatible software.
Audio MIDI S etup is a utility included with Mac OS X that allows you to configure your Trave l er in te r fa ce fo r use with all CoreMIDI compatible applications. Audio MIDI Setup provides:
A “virtual” studio on your Mac that graphically
represents your MIDI hardware setup and that is shared by all CoreMIDI-compatible programs
A simple, intuitive list of your MIDI devices
whenever you need it in any CoreMIDI-compatible program
Launching Audio MIDI Setup
1 Make sure your Traveler interface is connected and turned on.
Figure 4-1: The Traveler interface as it appears in the MIDI tab of
Audio MIDI Setup.
Connecting MIDI devices to the Traveler
Once your Traveler interface appears in Audio
MIDI Setup, you are ready to add devices, indicate
how they are connected, and identify properties
they may have for particular purposes. This
information is shared with all CoreMIDI
compatible applications.
To a dd a de vi c e i n Audi o MIDI Setup:
1 Click Add Device.
2 Launch the Audio MIDI Setup utility.
This can usually be found in /Applications/ Utilities. If it has been moved, just search for Audio MIDI Setup.
3 Confirm that the MIDI interface is present in the MIDI Devices tab of Audio MIDI Setup.
If the interfaces does not appear, or if it is grayed out, check your cable connections and click Rescan MIDI.
40
Figure 4-2: Adding a MIDI device.
2 Drag on its input and output arrows to draw
connections to the Traveler that match its physical
connection.
INSTALLING THE TRAVELER MAC OS X SOFTWARE
Page 41
Figure 4-3: Connecting devices to the Traveler. In this example, a controller keyboard is connected to the Traveler’s MIDI IN, and a sound module is connected to the Traveler MIDI OUT.
3 Double-click the device to make settings, such as input and output channels, that further describe the device.
CUEMIX CONSOLE
This program provides a mixing console that gives
you control over the Traveler’s no-latency CueMix
DSP features. For details, see chapter 11, “CueMix
Console” (page 79).
FIREWIRE SMPTE CONSOLE
The FireWire SMPTE Console software provides a
complete set of tools to resolve the Traveler to
SMPTE time code, and to generate SMPTE for
striping, regenerating or slaving other devices to
the computer. For details, see chapter 12, “FireWire
SMPTE Console” (page 87).
AUDIODESK WORKSTATION SOFTWARE
The MOTU FireWire installer places AudioDesk in
your system’s Applications folder.
AudioDesk is an advanced workstation software
package for the Traveler that lets you record, edit,
mix, process, bounce and master multi-track
digital audio recording projects. Advanced features
include real-time 32-bit effects processing, sample-
accurate synchronization with ADATs, 24-bit
recording, and much more.
See the AudioDesk manual included with your
Trave l er sy st em fo r d et ai ls .
Figure 4-4: Device settings.
4 Repeat the above steps for each MIDI device connected to the interface.
5 When you are finished, quit Audio MIDI Setup.
Yo ur co nfi g ur at i on is automatically saved as the default configuration, and it is shared with all CoreMIDI-compatible software.
Figure 4-5: AudioDesk for Mac OS X.
INSTALLING THE TRAVELER MAC OS X SOFTWARE
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42
INSTALLING THE TRAVELER MAC OS X SOFTWARE
Page 43
CHAPTER
5 MOTU FireWire Audio Console
OVERVIEW
Accessing the Traveler settings . . . . . . . . . . . . . . . . . . . . . . 43
Traveler Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Sample Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Clock Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Default Stereo Input/Output. . . . . . . . . . . . . . . . . . . . . . . . . 47
Optical input/output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Phones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Word Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
‘General’ tab settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Enable Pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Launch console when hardware becomes available . 48
Edit Channel Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
ACCESSING THE TRAVELER SETTINGS
There are several ways to access the MOTU FireWire Audio Console settings:
Click the MOTU FireWire Audio Console icon
in the dock
Press on the MOTU FireWire Audio Console
dock icon to open the menu shown below, or control-click it to open the menu immediately
From within AudioDesk™ or Digital
Perfor mer™, choose Setup menu>Configure Audio
System>Configure Hardware Driver (Note: this
dialog only provides access to basic settings such as
sample rate and clock source. For access to all
settings, use one of the techniques above.)
In Cubase SX, open the Device Setup window,
click VST Audiobay and choose MOTU FireWire
Aud io from the Master ASIO Driver menu. Then
click the MOTU FireWire Audio item in the list and
click the Control Panel button as shown below.
From the front panel LCD (see chapter 6,
“Traveler Front Panel Operation” (page 51)).
Traveler tab settings
The Traveler tab provides settings that apply to a
specific Traveler interface. If you have several
Tr a v e l e r s (or other MOTU FireWire audio
interfaces) connected, you’ll see a separate tab for
each one.
General tab settings
The General tab provides settings that apply
globally to all connected MOTU FireWire
interfaces.
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TRAVELER SETTINGS
Sample Rate
Choose the desired Sample Rate for recording and playback. The Traveler can operate at 44.1 (the standard rate for compact disc audio), 48, 88.2, 96,
176.4 or 192kHz. Make absolutely sure that all of the devices connected digitally to the Traveler match the Traveler’s sample rate. Also make sure that your Digital Timepiece, MIDI Timepiece AV or other digital audio synchronizer matches it as well. At the 4x sample rates (176.4 or 192kHz), all digital I/O on the Traveler is disabled.
Mismatched sample rates cause distortion and
crackling. If you hear this sort of thing, check the sample rate settings in your hardware and here in the MOTU FireWire Audio Console.
Operation at 4x sample rates (176.4 or 192kHz)
At the 4x sample rates (176.4 or 192kHz), operation of the Traveler is restricted, due to the higher audio bandwidth demands, as follows:
All digital I/O is disabled (there is no optical,
TOSLink, S/PDIF or AES/EBU input/output).
The Traveler provides 8 channels of analog input
and 8 channels of analog output, simultaneously.
The Mix1 input, as described in “Mix1 1-2” on
page 65, is not available.
The headphone output can be assigned to any
analog output pair or the Phones setting (as
described in “Phones” on page 48). But at the 4x
sample rates, the Phones output is not available
from the computer. Instead, it is only available as a
destination for the four CueMix DSP mixes. In
other words, it can only take CueMix inputs.
The main outs mirror the phones.
Clock Source
The Clock Source determines the digital audio
clock that the Traveler will use as its time base. For
a complete explanation of synchronization issues,
44
Figure 5-1: The MOTU FireWire Audio Console gives you access to all of the settings in the Traveler hardware.
MOTU FIREWIRE AUDIO CONSOLE
Page 45
see “Making sync connections” on page 25. The following sections br iefly discuss each clock source setting.
Internal
Use the Internal setting when you want the Traveler to operate under its own digital audio clock. For example, you may be in a situation where all you are doing is playing tracks off hard disk in your digital audio software on the computer. In a situation like this, you most often don’t need to reference an external clock of any kind.
Another example is transferring a mix to DAT. You can operate the Traveler system on its internal clock, and then slave the DAT deck to the Traveler via the S/PDIF connection (usually DAT decks slave to their S/DIF input when you choose the S/PDIF input as their record source) or via the Trave le r’s word cl ock ou tp ut (if your DAT de ck h as a word clock input).
If you would like help determining if this is the proper clock setting for your situation, see “Do you need a synchronizer?” on page 26.
For further details about this setting, see “Syncing
S/PDIF and AES/EBU devices” on page 33.
S/PDIF
The S/PDIF clock source setting refers to the
S/PDIF RCA input jack on the Traveler. This
setting allows the Traveler to slave to another
S/PDIF device.
Use thi s setting whenever you are recording input
from a DAT deck or other S/PDIF device into the
Trave l er. It is not necessary in the opposite
direction (when you are transferring from the
Trave l er to th e DAT machine).
For further details about this setting, see “Syncing
S/PDIF and AES/EBU devices” on page 33.
Wor d C l oc k In
The Wor d C loc k I n setting refers to the Word Clock
In BNC connector on the Traveler rear panel.
Choosing this setting allows the Traveler to slave to
an external word clock source, such as the word
clock output from a digital mixer or another
Tr a v e l e r.
With ADAT devices, however, you usually want an external digital audio synchronizer, such as the MIDI Timepiece AV or Digital Timepiece, to be the digital clock master. In this case, you would set the Trave l er cl oc k s ource setting to ADAT 9-pin, as described below.
AES/EBU
The AES/EBU clock source setting refers to the AES/EBU XLR input jack on the Traveler. This setting allows the Traveler to slave to another AES/EBU device.
Use thi s setting whenever you are recording input from a DAT deck or other AES/EBU device into the Trave l er. It is not necessary in the opposite direction (when you are transferring from the Trave l er to th e DAT machine).
MOTU FIREWIRE AUDIO CONSOLE
ADAT 9-pin
The ADAT 9-pin clock source setting refers to the
ADAT digital audio synchronization format. It
allows the Traveler to slave to an ADAT — or ADAT
sync chain — via its ADAT sync 9-pin connector.
ADAT sync also carries precise, sample location
information, which allows AudioDesk and Digital
Perfor mer to transfer audio to and from ADAT-
sync compatible recorders without drifting by as
much as one sample.
Use thi s setting when you are using the Traveler
with one or more ADAT-s yn c c ompatible
recorders. Make sure the Tr a v e le r i s connected to
the end of the ADAT sync chain.
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Yo u s h o u ld also use this setting if you have a MIDI Timepiece AV, which allows you to drive your entire system from the transport controls of AudioDesk, Digita l Perfor mer or other computer software.
Yo u c ou ld also use ADAT sync to continuously resolve the Traveler to SMPTE time code, video, and word clock via a synchronizer like the MOTU MIDI Timepiece AV. Word clock can accomplish the same thing.
For further details, see “Sample-accurate ADAT sync” on page 28, “Sample-accurate ADAT sync with no synchronizer” on page 29 and “Syncing to video and/or SMPTE time code using a synchronizer” on page 31.
ADAT optical
The ADAT optical clock source setting refers to the clock provided by the Traveler’s optical input, when it is connected to an ADAT optical device. This setting can be used to slave the Traveler directly to the optical input connection. Most of the time, you can set up a better operating scenario that uses one of the other synchronization options. However, the re may be occasions when you have an ADAT optical compatible device that has no way of synchronizing digitally to the Traveler or an external synchronizer such as the Digital Timepiece. In this case, the ADAT Optical clock source setting lets you slave the Traveler to the device itself via its digital input to the Traveler.
If the ADAT Optical setting does not appear in the menu, it means that the Traveler’s optical input is currently either turned off or set to the TOSLink format. In either case, choose the ADAT optical format f rom the Optical input menu (Figure 5-1 on page 44).
reference and shared transport control are not
needed — without having to set up an elaborate
synchronization scenario.
For further details about this setting, see “Syncing
optical devices” on page 32.
TOSLink
The TOSLink clock source setting refers to the
clock provided an optical S/PDIF device connected
to the Traveler’s optical input. This setting can be
used to slave the Traveler directly to the optical
input connection. Most of the time, you can set up
a better operating scenario that uses one of the
other synchronization options. However, there
may be occasions when you have an TOSLink-
compatible device that has no way of
synchronizing digitally to the Traveler or an
external synchronizer such as the Digital
Timepiece. In this case, the TOSLink clock source
setting lets you slave the Traveler to the other
device via the Traveler’s optical input.
If the TOSLink setting does not appear in the
menu, it means that the Traveler’s optical input is
currently either turned off or set to the ADAT
optical format. In either case, choose the TOSLink
format f rom the Optical input menu (Figure 5-1 on
page 44).
This setting is also useful if you just need to make a
simple, click-free digital transfer between the
Trave l er an d a no ther device — where a time code
reference and shared transport control are not
needed — without having to set up an elaborate
synchronization scenario.
For further details about this setting, see “Syncing
optical devices” on page 32.
This setting is also useful if you just need to make a simple, click-free digital transfer between the Trave l er an d a no ther device — where a time code
46
MOTU FIREWIRE AUDIO CONSOLE
Page 47
SMPTE
Choose this setting to resolve the Traveler directly to SMPTE time code (LTC) being received via any analog input on the Traveler. For details, see “Syncing to SMPTE time code” on page 30 and chapter 12, “FireWire SMPTE Console” (page 87).
Macintosh built-in
Choose this setting to resolve the Traveler to your Mac’s built-in audio. Doing so will ensure that audio streams playing back from or recorded by the Traveler will not drift apart from audio streams simultaneously played or recorded by the Mac’s built-in mic, speakers or audio output. For complete details, see “Resolving to other Core audio drivers” on page 36.
Other audio devices (drivers)
The MOTU FireWire Audio Drive r has the ability to resolve to other Core Audio drivers. Doing so will ensure that audio stream s playing back from or recorded by the Traveler will not drift apart from audio streams simultaneously played or recorded by the other devices. For complete details, see “Resolving to other Core audio drivers” on page 36.
Default Stereo Input/Output
In the System Preferences window, Mac OS X lets you choose third-party hardware such as the Trave l er fo r yo u r M a ci ntosh sound input and output. The system input and output can be used for alert sounds and general audio I/O for applications like iTunes, iMovie, etc.
Figure 5-2: The Mac OS X sound preferences let you use the Traveler
for general stereo audio input and output for your Mac.
The Default Stereo Input and Default Stereo Output
settings in the MOTU FireWire Console
(Figure 5-1 on page 44) let you specify the stereo
input and output on the Traveler to be used when it
is chosen as the audio I/O device in the system
preferences.
Note: The Default Stereo Input/Output
settings have the following system software
requirements:
MOTU FIREWIRE AUDIO CONSOLE
Mac OS X 10.2.x together with QuickTime 6.4
OR
Mac OS X 10.3 (aka Panther) or later
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If your Macintosh system software does not meet these minimum requirements, the Default Stereo Input/Output options do not appear in the MOTU FireWire Console window.
Optical input/output
The Optical input and Optical output settings let you cho ose be tween ADAT optical (‘lightpipe’) and S/PDIF optical (‘TOSLink’) as the format for the Trave l er ’s o pt ic al input and output. Choose the format that matches the device connected. If you are not using the optical connections, it is recommended that you turn them off (as provided in the menus) to reduce bandw idth and processing overhead. Note that you can operate the input and output independently. For example, you could use the ADAT optical format on the input (with a digital mixer, for example) and optical S/PDIF on the output (with a DAT deck, for example).
When the optical output is set to TOSLink, the signal is split to both the RCA and optical output jacks. However, when the optical input is set to TOSLink, the RCA S/PDIF jack is disabled.
Phones
The Phones setting lets you choose what you will hear from the headphone jack. Choose Analog 1-2 if you’d like the headphone output to match the main outs. Choose Phones 1-2 if you would like the headphones to serve as their own independent output, which you can access as an independent output destination in your host audio software and as an output destination for the four on-board CueMix DSP mix busses.
At the 4x sample rates (176.4 and 192kHz), the headphone output can be assigned to any analog output pair or the Phones 1-2 setting, as described above. But at the 4x sample rates, the Phones output is not available as an output destination for software on the computer. Instead, it is only
available as a destination for the two CueMix DSP
mixes. In other words, it can only take CueMix
inputs.
Word Out
If you are running a Traveler interface at a high
sample rate (88.2, 96, 176.4 or 192kHz), the Wo r d
Out menu appears in the interface tab (as shown in
Figure 5-1 on page 44). This menu lets you choose
a word clock output rate that either matches the
global sample rate (e.g. 176.4 or 192kHz) or
reduces the word clock output to the
corresponding 1x rate (either 44.1 or 48kHz). For
example, if the Traveler is operating at 176.4kHz,
choose Force 44.1/48kHz to produce word clock
output at 44.1kHz.
To m atc h the Traveler’s sample rate, choose System
Clock. To reduce the word clock rate to the
corresponding 1x rate, choose Force 44.1/48kHz.
‘GENERAL’ TAB SETTINGS
Enable Pedal
This setting applies to other MOTU FireWire audio
interfaces, but it does not apply to the Traveler.
Launch console when hardware becomes
available
Check this option if you would like the MOTU
FireWire Audio Console icon to appear in the
application dock as soon as a MOTU FireWire
interface is detected (switched on, plugged in, etc.)
Edit Channel Names
Click the Edit Channel Names button to open the
Channel Names window (Figure 5-3). This
window lets you edit the names of the Traveler
inputs and outputs, as they appear in your host
audio software. For example, when you click on a
menu that displays the Traveler inputs (or outputs),
you will see the names you specify in this window
(e.g. “vocal mic”, “lead guitar”, etc.), instead of the
default generic names (“Analog 1”, “Analog 2”,
etc.)
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MOTU FIREWIRE AUDIO CONSOLE
Page 49
There are several conditions for your custom channel names to appear in your Mac OS X audio software. First, your software must support Mac OS X’s port naming features. Secondly, this feature has the following system software requirements:
Mac OS X 10.2.x together with QuickTime 6.4
OR
Mac OS X 10.3 (aka Panther) or later
If your Macintosh system software does not meet these minimum requirements, the Default Stereo Input/Output options do not appear in the MOTU FireWire Console window, and you’ll see generic port names in your host audio software.
Figure 5-4: Traveler channel names as they appear in Digital
Perfo rmer.
Figure 5-3: The Edit Channel Names window.
MOTU FIREWIRE AUDIO CONSOLE
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MOTU FIREWIRE AUDIO CONSOLE
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CHAPTER
6 Traveler Front Panel Operation
OVERVIEW
The Traveler offers complete front-panel programming via six rotary encoders and a 2x16 backlit LCD display. All Traveler settings can be accessed via these front-panel controls.
Push-button rotary encoders . . . . . . . . . . . . . . . . . . . . . . . . 51
Multi-function LCD display . . . . . . . . . . . . . . . . . . . . . . . . . . 51
VOLUME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
SETUP / SELECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
MIX BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
PAR AM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
CURSOR / VALUE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Stand-alone operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
PUSH-BUTTON ROTARY ENCODERS
All of the knobs shown in Figure 6-1 are push-
button digital rotary encoders. In many cases, you
can either push the knob or turn it to make a
setting or toggle the LCD display (depending on
the encoder and setting).
MULTI-FUNCTION LCD DISPLAY
The LCD provides access to the many Traveler
settings, as well as visual feedback of the current
parameter being modified.
The LCD operates in two different modes: setup
mode and mixer mode. Push the MIX/SETUP
knob to toggle between the two modes.
Choose the mix parameter
to edit here with the
PAR AM k nob.
The top row shows settings for the 8 analog inputs and
AES/EBU digital input.
Use the CURSOR knob
to scroll to a channel
and use VALUE to
change its setting.
Figure 6-1: The Traveler front panel controls.
Choose the mix you
are editing by
pushing the MIX BUS
knob. Turn the knob
to change the mix
volume.
The bottom row shows settings for the 8 optical inputs. and S/PDIF input
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Setup mode
In setup mode, the LCD displays basic settings, such as clock source, optical I/O format (ADAT versus TOSLink), and so on. These settings are covered in detail later in “SETUP / SELECT” on page 52.
Figure 6-2: In setup mode, the LCD displays a setup parameter in the top row of the LCD and the current setting in the bottom row.
Mixer mode
In mixer mode, the LCD displays the settings for the current Traveler mix being shown in the display, as demonstrated in Figure 6-1 on page 51.
Parameter “zooming”
For many settings, the LCD temporarily “zooms in” to display a long-throw meter and alpha­numeric display to give you precise, real-time feedback as you adjust the setting. For example, if you change the headphone volume, the LCD will display a level meter and gain reduction reading that updates as you turn the volume knob. After a brief time-out, the display returns to its previous state before you turned the volume knob. The time-out period can be adjusted, as explained later in the section called “Fader View Time”.
Figure 6-3: For many settings, the LCD “zooms in” on the setting as you adjust it.
VOLUME
The VOLUME knob lets you control the volume of both the headphone jack and the rear-panel main outs. Press the knob to toggle between the headphones and the main outs. As explained in the previous section, the LCD provides detailed feedback as you turn the knob. To view the current setting without changing it, just push the knob (without turning it).
SETUP / SELECT
Press the MIX/SETUP knob to toggle between mixer mode and setup mode. In mixer mode, the SETUP and SELECT knob do nothing. In setup mode, turn SETUP to choose a setting and SELECT to change it. In some cases, SELECT chooses one of the Traveler’s four mixes, and the VA LU E k no b c ha n g e s t h e setting. The setup settings are briefly explained below.
Clock source
This sets the global clock source for the Traveler and is the same as the Clock Source setting in the MOTU FireWire Audio Console as explained in “Clock Source” on page 44. If the Traveler is currently connected to a computer, this setting cannot be changed from the front-panel LCD. It must be changed in the MOTU FireWire Audio Console instead. Or, you can disconnect the Trave l er fr om th e c om p ut er to change the Clock Source from the front panel.
Word Clock Out
If you are running a Traveler interface at a high sample rate (88.2, 96, 176.4 or 192kHz), the Wo r d Clock Out setting lets you choose a word clock output rate that either matches the global sample rate (e.g. 176.4 or 192kHz) or reduces the word clock output to the corresponding 1x rate (either
44.1 or 48kHz). To match the Traveler’s sample rate, choose Follows System. To re duce the word clock rate to the corresponding 1x rate, choose Force 44/48.
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TRAVELER FRONT PANEL OPERATION
Page 53
Fader View Time
The Fader View Time option lets you control the length of time that an adjusted parameter remains displayed in the LCD before the LCD returns to its previous state. For example, when you turn the MIX BUS knob to adjust the volume of the current mix, you’ll see a long-throw horizontal fader in the LCD, along with a numeric display of the current gain reduction. After you stop turning the knob, this fader remains displayed in the LCD for a moment before the LCD returns to its previous state. The Fader View Time option lets you control how long the adjusted parameter remains on the LCD after the knob stops turning.
Optical In / Optical Out
These two settings determine the format for the Trave l er ’s o pt ic al input and output. They are the same as the optical setting in the MOTU FireWire Audio Console as explained in “Optical input/ output” on page 48. To change the setting, turn the SELECT knob, and then push it to confirm your choice.
Bus output
The Bus Output setting lets you choose the Traveler output pair for each of the four CueMix DSP mix busses. Turn the SELECT knob to choose a bus. Tur n t he VALU E k nob to choose an output. Push the VALUE knob to select the output. The output stops flashing to confirm that it has been selected.
Bus mute
The Bus Mute setting mutes and unmutes the bus output. Turn the SELECT knob to choose a bus. Push the SELECT knob to mute or unmute the bus.
Init Current Mix
The Init Current Mix setting lets you reset the current mix (or all four mixes). All inputs get reset to unity gain (0 dB), pan center, etc.
Copy Bus Mix
Copy Bus Mix let s yo u cop y al l of th e se ttin gs f or the currently displayed mix. Turn the SELECT knob to choose a mix. Push the SELECT knob to copy it. Yo u c a n then paste the settings to another mix as explained below. The word Done appears briefly to confirm that the mix settings have been successfully copied.
Paste Bus Mix
After you copy mix settings (explained above), Paste Bus Mix lets you paste the copied mix settings to another mix. Turn the SELECT knob to choose a mix. Push SELECT to paste. The word Done appears briefly to confirm the paste. The following mix parameter are included in the paste operation: Gain, Pan, Solo, Mute, +4/-10, +6dB boost, and stereo pairing. The following mix parameters are not pasted: Bus output, Bus mute and Bus gain.
Save/Name Preset
The Save/Name Preset setting lets you name and save up to sixteen separate Traveler presets. A preset holds all of the current CueMix DSP mix settings for all four mix busses. Setup parameters are not included. The name can have up to 12 characters. Here is a summary of how to name and save a preset:
To do this: Do this:
To change the currently flashing character
Turn the VALUE knob
Phones Assign
The Phones Assign setting lets you choose what you hear on the headphone output. This is the same as the Phones setting in the MOTU FireWire Audio Console as explained in “Phones” on page 48.
TRAVELER FRONT PANEL OPERATION
To jump to capital letters, lower case letters, numbers or symbols
To scroll to a different character Turn the CURSOR knob.
To save the preset Push SELECT. If you are asked
Push the VALUE knob repeat­edly
to replace existing preset, push SELECT again to replace it, or turn it to select a different preset.
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Load preset
After you’ve saved one or more presets, Load Preset lets you recall them. Turn the SELECT knob to choose a preset. Push SELECT to load it. The word Loaded appears briefly to confirm the operation.
All Notes Off
The All Notes Off setting sends a MIDI All Notes Off message, as well as a MIDI note-off message for every note on every MIDI channel. This stops any stuck notes that are currently playing. Push SELECT to initiate the All Notes Off operation. The MIDI OUT LED will glow to confirm that the note­off data is being sent.
Fac tory Defaults
The Factory Defaults setting restores the Traveler factory settings. Push SELECT to initiate the operation, and then when the LCD asks “Are you sure?”, push VALUE to execute it.
MIX BUS
The Traveler on-board CueMix DSP mixer provides four stereo mix busses, named MIX1, MIX2, MIX3 and MIX4, respectively. Each mix bus (also referred to as a “mix”) independently mixes all inputs (or any subset of your choosing) down to one Traveler output pair of your choosing. For example, you could assign MIX1 to the main outs, MIX2 to analog outputs 1-2 and MIX3 to the headphone outs. You can then independently assign any input to any mix. An input can even be included in two or more mixes simultaneously at different input levels.
Figure 6-4: In mixer mode, the LCD displays the mix settings for the mix bus currently being displayed in the LCD.
54
When the LCD display is in mixer mode, push the MIX BUS knob repeatedly to cycle through the four mixes. The current mix is indicated in the LCD above the MIX BUS label (as shown in Figure 6-1 on page 51). Turn the MIX BUS knob to change the output level for the mix.
TRAVELER FRONT PANEL OPERATION
Page 55
PA RA M
When the LCD display is in mixer mode, the PAR AM kno b cycl e s t hrough the mix parameters listed below. Use the CURSOR knob to scroll to a particular channel (until it flashes) and use the VA LU E k no b t o c h ange its setting:
Mix parameter Range Comments
Gain OFF,
Pan -64 to +64
Solo “s” or
Mute “m” or
4/10 down (+4)
+6db “+” or 0 This setting applies universally
Pair “[ ]” or
-84 to 0 dB
Zero = pan center
blank
blank
or up (-10)
blank
Each channel displays a small fader. Push the VALUE knob to toggle between OFF and unity gain (0dB).
Push the VALUE knob to jump to pan center. Stereo pairs (explained below) are panned hard left/right by default.
Push the VALUE knob to toggle between soloed (S) and not soloed (blank), or turn the knob to toggle.
Push the VALUE knob to toggle between muted (m) and unmuted (blank), or turn the knob to toggle.
This setting applies universally across ALL mix busses for analog inputs 5-8. Push the VALUE knob to toggle between a +4dB reference level (down) and a -10dB reference level (up). Or turn the knob to toggle.
across ALL mix busses for analog inputs 5-8. Push the VALUE knob to toggle between a +6dB software boost (+) and no boost (0). Or turn the knob to toggle.
This setting applies universally across ALL mixes. Push the VALUE knob to toggle a stereo input pair between separate mono inputs (blank) or a stereo pair (“[ ]”). Or turn the knob to toggle. When a pair of inputs are linked, all of their mix settings become linked (gain, solo, etc.) except for pan. When the pair is first created, pan is set to hard left and hard right, but the channels can then be further modified indepen­dently. When a pair is unlinked, the channels are set to pan-center.
Mix parameters that apply across all mixes
The last three mix settings (input reference level, +6dB software boost, and stereo pairing) apply across all mixes because they have to do with the nature of the input itself. For example, if you have an input that requires a -10dB reference level, then you’ll want the reference level to apply to all mixes.
Working with stereo pairs
When you group a pair of inputs as a stereo pair, all of their mix settings become linked, and whenever you scroll to either channel, both channels will flash to indicate that they will operate as a linked stereo pair. Note that when a pair is first created, pan is set to hard left and hard right, but the channels can then be further modified indepen­dently. When a pair is unlinked, the channels are set to pan-center.
CURSOR / VALUE
When the LCD display is in mixer mode, the CURSOR knob scrolls left and right over the 20 inputs displayed in the LCD. The current input flashes. As a shortcut, you can push the CURSOR knob to toggle between the top row (analog inputs) and bottom row (digital inputs). The VALUE knob changes the current mix parameter for the currently flashing input. In some cases, such as Gain and Pan, the LCD will “zoom” to the enlarged horizontal fader while you adjust it w ith the VALUE knob. After you stop adjusting, the LCD will return to the mixer display.
STAND-ALONE OPERATION
All settings, including all mix settings and global settings, are saved in the Traveler’s memory, and they remain in effect even when the Traveler is not connected to a computer. This allows you to use the Trave l er as a s tand -a lo ne 8-bus mixer. You can make adjustments to any setting at any time from the front panel.
TRAVELER FRONT PANEL OPERATION
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TRAVELER FRONT PANEL OPERATION
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CHAPTER
7 Digital Performer
OVERVIEW
This chapter provides a brief overview of Digital Perfor mer’s basic I/O and synchronization operation with the Tr a v e l e r hardware.
Setting up your system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
The Traveler settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Be sure you have enough voices . . . . . . . . . . . . . . . . . . . . . 58
Tri mming the mic/instrument inputs . . . . . . . . . . . . . . . . 59
Working with Traveler inputs and outputs . . . . . . . . . . . 59
24-bit operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Fine-tuning I/O timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
MIDI Machine Control (MMC) . . . . . . . . . . . . . . . . . . . . . . . . 61
MIDI I/O via the Traveler MIDI ports . . . . . . . . . . . . . . . . . . 61
Processing live inputs with plug-ins . . . . . . . . . . . . . . . . . 61
Exchanging projects with AudioDesk. . . . . . . . . . . . . . . . 61
SETTING UP YOUR SYSTEM
As described in chapter 4, “Installing the Traveler Mac OS X Software” (page 39), the Digital Per former and MOTU Traveler software installers will properly install and update everything for you.
If you are using a MIDI Timepiece AV or Digital Timepiece for synchronization, be sure they are present in Audio MIDI setup.
THE TRAVELER SETTINGS
Choose the Traveler as your audio input output device by choosing Configure Audio System>Configure Hardware Dr iver from the Setup menu. This window shows some of the Traveler settings, such as sample rate and clock source, but to access all of the Traveler settings, open the MOTU FireWire Audio Console, as shown in Figure 5-1 on page 44.
Figure 7-1: Choose Setup menu> Configure Audio System> Configure Hardware Driver to open the dialog shown above and access the Traveler Core Audio driver. To access the rest of the Traveler settings, open the MOTU FireWire Audio Console.
For complete details about the Traveler sett ings, see chapter 5, “MOTU FireWire Audio Console” (page 43). The following sections provide a brief explanation of each Traveler setting for use with Digital Performer.
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Sample rate
Choose the desired overall sample rate for the Trave l er sy st em and Digital Performer. Newly recorded audio in Digital Performer will have this sample rate. Imported audio or soundbites in existing files that do not match this sample r ate wi ll be displayed in the Soundbites window with a red ‘X’ on its move handle to indicate that it cannot be played.
Before running the Traveler at the 4x sample rates, see “Operation at 4x sample rates (176.4 or 192kHz)” on page 44.
microphones, and so on connected to the analog inputs of the Traveler. If so, you will often be mixing their live input with audio material recorded in Digital Performer. See chapter 10, “Reducing Monitoring Latency” (page 73) for complete details.
Optical input and output
To m ak e a Tr a v el e r opt ica l input or out put ava ilabl e in Digital Performer, choose the appropriate format (ADAT optical or TOSLink) from the optical input and/or output menu. If you won’t be using the optical connectors, turn them off.
Clock Source
This setting is very important because it determines which audio clock the Traveler will follow.
If you do not have any digital audio connections to your Traveler (you are using the analog inputs and outputs only), and you will not be slaving Digital Perfor mer to external SMPTE time code, choose Inter nal.
If you are slaving the Traveler to the ADAT sync Input connector, cho ose ADAT 9-pin.
If you are slaving the Traveler and Digital Perfor mer to SMPTE time code via the Traveler itself, choose SMPTE and follow the directions in “Syncing to SMPTE time code” on page 30.
If you have digital audio devices connected to the Trave l er, o r i f you a re not sure about the clock source of your setup, be sure to read “Making sync connections” on page 25 and “Clock Source” on page 44.
Buffer Size
The Buffer Size setting can be used to reduce the delay — or monitoring latency — that you hear when live audio is patched through your Traveler hardware and Digital Performer. For example, you might have MIDI instruments, samplers,
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Phones
This Traveler setting lets you choose what you’ll hear from the headphone jack. For example, if you choose Analog 1-2, the headphones will duplicate the main outs. Or you can choose any other output pair. If you choose Phones 1-2, this setting makes the headphone jack serve as its own independent output pair (except when running at 176.4 or 192kHz). As a result, you’ll see Phones 1-2 as an additional audio destination in Digital Performer’s audio output menus.
BE SURE YOU HAVE ENOUGH VOICES
Go to the Setup menu and choose Configure Audio System>Configure Studio Size. Then check to make
sure you have enough mono and stereo audio voices to cover the 20 channels of input and 22 channels of output provided by your Traveler — although the number of channels may depend on how your Traveler is configured:
10 channels for analog I/O (including the
headphone out)
2 channels for RCA S/PDIF
2 channels for AES/EBU
Zero, 2 or 8 channels for optical, depending on
whether you have optical turned off, or set to TOSLink or ADAT optical
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For example, if you are using analog only, you only need 10 channels. If you are using analog and RCA S/PDIF, you need 12 channels.
assigned to this output pair will be heard on the headphone jack only. For further explanation, see “Phones” on page 48.
As another example, if you are using analog, RCA S/PDIF, AES/EBU and ADAT optical, you need 22 channels (the maximum number of simultaneous output channels provided by the Traveler).
TRI MMING THE MIC/INSTRUMENT INPUTS
The Traveler mic/instrument inputs provide trim knobs on the front panel. To calibrate an audio input:
1 Record-enable a track in Digital Performer.
2 Choose the desired Traveler mic input for the
track.
3 Open the Audio Monitor window.
4 As you feed signal to the input, adjust the input’s
corresponding trim knob on the front panel of the Tr av el er u nt il peaks in the level meter are as high as possible without clipping (hitting zero dB).
WORKING WITH TRAVELER INPUTS AND OUTPUTS
Once you’ve enabled the MOTU FireWire Audio driver as explained earlier in “The Traveler settings” on page 57, Traveler audio inputs and outputs will appear in Digital Performer’s audio input and output menus. If you don’t see the optical inputs and/or outputs, check the MOTU FireWire Audio Console to ma ke sure they are turned on and set to the format you require. If you don’t plan to use the optical input or output, turn it off to conserve computer bandwidth.
Phones 1-2
If you’ve chosen to treat the Traveler headphones as an independent output, you’ll see Phones 1-2 in Digital Performer’s output menus. Audio tracks
Mix1 1-2
In Digital Performer’s audio input menus, you’ll see a Traveler input called Mix1 1-2. This input source delivers the output of CueMix DSP “MIX1” (the first mix bus of the four on-board no-latency monitor mixes in the Traveler) back to your computer. This input serves, for example, as a convenient way for you to record the Traveler’s MIX1 monitor mix back into Digital Performer (for reference and archiving purposes). Further, if you are sending audio from Digital Performer to the same output pair as MIX1, you can choose to either include or exclude the audio from the computer in the stream being sent back to Digital Perfor mer. For details on how to do this, see “Mix1 Return Includes Computer” on page 84.
The Mix1 1-2 input is not available at the 4x sample rates (176.4 or 192kHz).
War ni n g: th e Mi x1 1-2 input can cause
feedback loops! DO NOT assign this input to a track that shares the same Traveler output pair as MIX1.
24-BIT OPERATION
Yo ur Tr av el er h ardware fully supports Digital Per former’s 24-bit recording capabilities, including both analog and digital 24-bit recording. If you would like to record and play back 24-bit audio files, go to the Setup menu, choose Configure Audio System>Configure Sample Format, and choose 24-bit recording as the sample format. This setting is saved with the Digital Performer project.
FINE-TUNING I/O TIMING
The Traveler has the ability to be sample accurate. This means that when you transfer audio between Digital Performer and an ADAT (or other ADAT­sync compatible recorder), for example, you can
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record the audio back and forth as many times as you want between them and it will remain exactly at its original sample location (unless you move it in Digital Performer, of course).
Occasionally, you may encounter a situation in which you observe a slight offset of one sample — or maybe a few — caused by inherent latencies in the devices you are using with the Traveler. Usually, these offsets will be consistent, and you can compensate for them in Digital Performer. To do so, choose Configure Audio System>Fine-tune Aud io I /O Timing f rom the Set up m enu as shown i n Figure 7-2.
Figure 7-2: Fine-tuning the timing of audio playback and recording.
SYNCHRONIZATION
Digital Performer can run under its own transport control or slave to an external sync source, such as SMPTE time code or ADAT sync (sample address).
Running DP under its own transport control
If you do not need to synchronize Digital Perfor mer with time code or another recording device, such as a tape deck, just leave the Slave to External Sync command in the Studio menu unchecked.
make sure that their audio clocks are phase-locked. For details, see “Syncing optical devices” on page 32 and “Making sync connections” on page 25. If you don’t have any digital audio devices connected to the Traveler, digital audio phase-lock does not apply to you.
Resolving DP and the Traveler to SMPTE time code
If you need to slave Digital Performer and the Trave l er to SMPTE time code, you can do so with or without a dedicated synchronizer.
Resolving directly to time code (with no synchronizer)
To r es o lve yo ur D ig it a l Pe rformer/Traveler system directly to SMPTE time code with no additional synchronization devices, use the setup shown in “Syncing to SMPTE time code” on page 30.
Choose Receive Sync from the Setup menu and choose the Sample accurate option. Then make sure that the Slave to External Sync command in the Studio menu is checked. Make sure the Clock Source setting in the MOTU FireWire Audio Console window is set to SMPTE. Also, make sure that you’ve connected an LTC input signal to a Tr av el e r a n al og i nput, and that you’ve specified t hat input in the SMPTE Console.
Resolving to video and/or time code with a dedicated synchronizer
To r es o lve yo ur D ig it a l Pe rformer/Traveler system to video and/or SMPTE time code using an additional synchronization device, use the setup shown in “Syncing to video and/or SMPTE time code using a synchronizer” on page 31.
However, even though Digital Performer is not slaving to external sync, you still need to be concerned with the synchronization of the Trave l er ’s d ig ita l au di o c lo ck with ot he r d ev ices connected to it digitally (if any). For example, if you have a digital mixer connected to the Traveler via an ADAT optical lightpipe cable, you need to
60
Choose Receive Sync from the Setup menu and choose the MTC (MIDI Time Code) option. Then make sure that the Slave to External Sync command in the Studio menu is checked. To ensure that your audio tracks don’t drift out of sync with your MIDI tracks — or time code, use a hardware synchronizer like the MIDI Timepiece AV or
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Digital Timepiece to resolve the Traveler hardware as well, as shown in Figure 3-17 on page 31. A digital audio synchronizer is required for drift-free SMPTE/MIDI time code sync. Make sure the Clock Source setting in the MOTU FireWire Audio Console window has the appropriate setting for locking the Traveler to the synchronizer. For example, in Figure 3-17 on page 31, word clock is being used to resolve the Traveler, so the Clock Source setting is Word Cl ock In.
If you have an ADAT sync compatible device,
don’t use SMPTE time code. Instead, use sample­accurate sync as described in the next section.
Sample-accurate sync to ADAT and Tascam
To g et h er, Di gi tal Pe rf or mer and the Traveler provide you with sample-accurate transfers with ADATs, Alesis recorders and any other devices that support standard ADAT sample address (ADAT Sync).
Similarly, with the help of a MOTU Digital Timepiece, Digital Performer and a Traveler can perform sample-accurate transfers with Tascam digital recorders.
A sample-accurate transfer is one in which the original location of the audio is preserved in the transfer, down to the sample.
For details on how to set up sample-accurate sync, see “Sample-accurate sync” on page 27. Be sure to choose the Sample Accurate Sync option in Digital Per former’s Receive Sync d ial og, an d ma ke su re t hat the Slave to External Sync command is checked, too.
To c ont ro l t he t r ansports of everything together from Digital Performer, see the next section.
MIDI MACHINE CONTROL (MMC)
If you have ADATs an d a M MC -compatible ADAT synchronizer like the MIDI Timepiece AV or Digital Timepiece, you can control everything from your computer screen with Digital Perfor mer’s transport controls and cueing features (like Markers, the playback wiper, etc.)
Similarly, if you have Tascam recorders and a MOTU Digital Timepiece (or other MMC­compatible Tascam synchronizer), can control all of your Tascam decks (in ABS time) in a similar fashion from Digital Performer.
See the MIDI Machine Control chapter in your MIDI Timepiece AV or Digital Timepiece manual for details on how to set this up.
MIDI I/O VIA THE TRAVELER MIDI PORTS
Once you’ve followed the procedure for enabling the Traveler’s MIDI features as explained in “Software installation for Mac OS X” on page 39, the Traveler MIDI ports will appear as a input source and output destination in Digital Perfor mer’s MIDI I/O menus.
PROCESSING LIVE INPUTS WITH PLUG-INS
If you patch a live input (such as MIDI synthesizer) through a plug-in effect in Digital Performer, you might hear a slight delay. There are several ways to reduce this delay. F or d e t ai l s , see chapter 10, “Reducing Monitoring Latency” (page 73).
EXCHANGING PROJECTS WITH AUDIODESK
DP4 can exchange projects with AudioDesk. To open an AudioDesk project in Digital Performer, open it in same way you would a DP project. To export a project to AudioDesk, use DP4’s Save As command and choose the AudioDesk 2.0 file format.
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DIGITAL PERFORMER
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CHAPTER
8 AudioDesk
OVERVIEW
This chapter provides a brief overview of AudioDesk’s basic I/O and synchronization operation with the Traveler. For complete information about all of AudioDesk’s powerful workstation features, see the AudioDesk manual included with your Traveler.
Setting up your system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
The Traveler settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Be sure you have enough voices . . . . . . . . . . . . . . . . . . . . . 64
Tri mming the mic/instrument inputs . . . . . . . . . . . . . . . . 65
Working with Traveler inputs and outputs . . . . . . . . . . . 65
24-bit operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Fine-tuning I/O timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
MIDI Machine Control (MMC) . . . . . . . . . . . . . . . . . . . . . . . . 67
MIDI I/O via the Traveler MIDI ports . . . . . . . . . . . . . . . . . . 67
Processing live inputs through plug-ins . . . . . . . . . . . . . 67
Exchanging projects with Digital performer . . . . . . . . . 67
AudioDesk and MIDI sequencing . . . . . . . . . . . . . . . . . . . . 67
SETTING UP YOUR SYSTEM
As described in chapter 4, “Installing the Traveler Mac OS X Software” (page 39), the MOTU FireWire Audio software installer will properly install everything for you, including AudioDesk.
to access all of the Traveler settings, open the MOTU FireWire Audio Console, as shown in Figure 5-1 on page 44.
If you are using a MIDI Timepiece AV or Digital Timepiece for synchronization, be sure they are present in Audio MIDI setup.
THE TRAVELER SETTINGS
Choose the Traveler as your audio input output device by choosing Configure Audio System>Configure Hardware Dr iver from the Setup menu. This window shows some of the Traveler settings, such as sample rate and clock source, but
Figure 8-1: Choose Setup menu> Configure Audio System> Configure Hardware Driver to open the dialog shown above and access the Traveler Core Audio driver. To access the rest of the Traveler settings, open the MOTU FireWire Audio Console.
For complete details about the Traveler sett ings, see chapter 5, “MOTU FireWire Audio Console” (page 43). The following sections provide a brief explanation of each Traveler setting for use with Aud ioD esk.
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Sample rate
Choose the desired overall sample rate for the Trave l er sy st em and AudioDesk. Newly recorded audio in AudioDesk will have this sample rate. Imported audio or soundbites in existing files that do not match this sample rate will be displayed in the Soundbites window with a red ‘X’ on its move handle to indicate that it cannot be played.
Before running the Traveler at the 4x sample rates, see “Operation at 4x sample rates (176.4 or 192kHz)” on page 44.
Clock Source
This setting is very important because it determines which audio clock the Traveler will follow.
If you do not have any digital audio connections to your Traveler (you are using the analog inputs and outputs only), and you will not be slaving AudioDesk to external SMPTE time code, choose Inter nal.
If you are slaving the Traveler to the ADAT sync Input connector, cho ose ADAT 9-pin.
If you are slaving the Traveler and AudioDesk to SMPTE time code via the Traveler itself, choose SMPTE and follow the directions in “Syncing to SMPTE time code” on page 30.
Trave l er. I f so, you w il l of ten be mixing their live input with audio material recorded in AudioDesk. See chapter 10, “Reducing Monitoring Latency” (page 73) for complete details.
Optical input and output
To m ak e a Tr a v el e r opt ica l input or out put ava ilabl e in AudioDesk, choose the appropriate format (ADAT optical or TOSLink) from the optical input and/or output menu. If you won’t be using the optical connectors, turn them off.
Phones
This Traveler setting lets you choose what you’ll hear from the headphone jack. For example, if you choose Analog 1-2, the headphones will duplicate the main outs. Or you can choose any other output pair. If you choose Phones, this setting makes the headphone jack serve as its own independent output pair. As a result, you’ll see Phones 1-2 as an additional audio destination in AudioDesk’s audio output menus.
BE SURE YOU HAVE ENOUGH VOICES
Go to the Setup menu and choose Configure Audio System>Configure Studio Size. Then check to make
sure you have enough mono and stereo audio voices to cover the 20 channels of input and 22 channels of output provided by your Traveler — although the number of channels may depend on how your Traveler is configured:
If you have digital audio devices connected to the Trave l er, o r i f you a re not sure about the clock source of your setup, be sure to read “Making sync connections” on page 25 and “Clock Source” on page 44.
Buffer Size
The Buffer Size setting can be used to reduce the delay — or monitoring latency — that you hear when live audio is patched through your Traveler hardware and AudioDesk. For example, you might have MIDI instruments, samplers, microphones, and so on connected to the analog inputs of the
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10 channels for analog I/O (including the
headphone out)
2 channels for RCA S/PDIF
2 channels for AES/EBU
Zero, 2 or 8 channels for optical, depending on
whether you have optical turned off, or set to TOSLink or ADAT optical
For example, if you are using analog only, you only need 10 channels. If you are using analog and RCA S/PDIF, you need 12 channels.
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As another example, if you are using analog, RCA S/PDIF, AES/EBU and ADAT optical, you need 22 channels (the maximum number of simultaneous output channels provided by the Traveler).
TRI MMING THE MIC/INSTRUMENT INPUTS
The Traveler mic/instrument inputs provide trim knobs on the front panel. To calibrate an audio input:
1 Record-enable a track in AudioDesk.
2 Choose the desired Traveler mic input for the
track.
3 Open the Audio Monitor window.
4 As you feed signal to the input, adjust the input’s
corresponding trim knob on the front panel of the Tr av el er u nt il peaks in the level meter are as high as possible without clipping (hitting zero dB).
WORKING WITH TRAVELER INPUTS AND OUTPUTS
Once you’ve enabled the MOTU FireWire Audio driver as explained earlier in “The Traveler settings” on page 63, Traveler audio inputs and outputs w ill appear i n AudioDesk’s audio input and output menus. If you don’t see the optical inputs and/or outputs, check the MOTU FireWire Audio Console to make sure they are turned on and set to the format you require. If you don’t plan to use the optical input or output, turn it off to conserve computer bandwidth.
Phones 1-2
If you’ve chosen to treat the Traveler headphones as an independent output, you’ll see Phones 1-2 in AudioDesk’s output menus. Audio tracks assigned to this output pair will be heard on the headphone jack only. For further explanation, see “Phones” on page 64.
Mix1 1-2
In AudioDesk’s audio input menus, you’ll see a Trave l er in put called Mix1 1-2. This input source delivers the output of CueMix DSP “MIX1” (the first mix bus of the four on-board no-latency monitor mixes in the Traveler) back to your computer. This input serves, for example, as a convenient way for you to record the Traveler’s MIX1 monitor mix back into AudioDesk (for reference and archiving purposes). Further, if you are sending audio from Aud ioD esk to the same output pair as MIX1, you can choose to either include or exclude the audio from the computer in the stream being sent back to AudioDesk. For details on how to do this, see “Mix1 Return Includes Computer” on page 84.
The Mix1 1-2 input is not available at the 4x sample rates (176.4 or 192kHz).
War ni n g: th e Mi x1 1-2 input can cause
feedback loops! DO NOT assign this input to a track that shares the same Traveler output pair as MIX1.
24-BIT OPERATION
Yo u r Tr a ve l e r h a rdware fully suppor ts AudioDesk’s 24-bit recording capabilities, including both analog and digital 24-bit recording. If you would like to record and play back 24-bit audio files, go to the Setup menu, choose Configure Audio System>Configure Sample Format, and choose 24-bit recording as the sample format. This setting is saved with the AudioDesk project.
FINE-TUNING I/O TIMING
The Traveler has the ability to be sample accurate. This means that when you transfer audio between AudioDesk and an ADAT (or other ADAT-sync compatible recorder), for example, you can record the audio back and forth as many times as you want between them and it will remain exactly at its original sample location (unless you move it in AudioDesk, of course).
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Occasionally, you may encounter a situation in which you observe a slight offset of one sample — or maybe a few — caused by inherent latencies in the devices you are using with the Traveler. Usually, these offsets will be consistent, and you can compensate for them in Aud ioD esk . To do s o , choose Configure Audio System>Fine-tune Audio I/ O Timing from the Setup menu as shown in Figure 8-2.
Figure 8-2: Fine-tuning the timing of audio playback and recording.
SYNCHRONIZATION
AudioDesk can run under its own transport control or slave to an external sync source, such as SMPTE time code or ADAT sync (sample address).
Running AudioDesk under its own transport control
If you do not need to synchronize AudioDesk with time code or another recording device, such as a tape deck, just leave the Slave to External Sync command in the Studio menu unchecked.
However, even though AudioDesk is not slaving to external sync, you still need to be concerned with the synchronization of the Traveler’s digital audio clock with other devices connected to it digitally (if any). For example, if you have a digital mixer connected to the Traveler via an ADAT optical lightpipe cable, you need to make sure that their audio clocks are phase-locked. For details, see “Syncing optical devices” on page 32 and “Making sync connections” on page 25. If you don’t have any digital audio devices connected to the Traveler, digital audio phase-lock does not apply to you.
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Resolving AudioDesk and the Traveler to SMPTE time code
If you need to slave AudioDesk and the Traveler to SMPTE time code, you can do so with or without a dedicated synchronizer.
Resolving directly to time code (with no synchronizer)
To r es o lve yo ur Au d io D esk/Traveler system directly to SMPTE time code with no additional synchronization devices, use the setup shown in “Syncing to SMPTE time code” on page 30.
Choose Receive Sync from the Setup menu and choose the Sample accurate option. Then make sure that the Slave to External Sync command in the Studio menu is checked. Make sure the Clock Source setting in the MOTU FireWire Audio Console window is set to SMPTE. Also, make sure that you’ve connected an LTC input signal to a Tr av el e r a n al og i nput, and that you’ve specified t hat input in the SMPTE Console.
Resolving to video and/or time code with a dedicated synchronizer
To r es o lve yo ur Au d io D es k/Traveler system to video and/or SMPTE time code using an additional synchronization device, use the setup shown in “Syncing to video and/or SMPTE time code using a synchronizer” on page 31.
Choose Receive Sync from the Setup menu and choose the MTC (MIDI Time Code) option. Then make sure that the Slave to External Sync command in the Studio menu is checked. To ensure that your audio tracks don’t drift out of sync with your MIDI tracks — or time code, use a hardware synchronizer like the MIDI Timepiece AV or Digital Timepiece to resolve the Traveler hardware as well, as shown in Figure 3-17 on page 31. A digital audio synchronizer is required for drift-free SMPTE/MIDI time code sync. Make sure the Clock Source setting in the MOTU FireWire Audio Console window has the appropriate setting for locking the Traveler to the synchronizer. For
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example, in Figure 3-17 on page 31, word clock is being used to resolve the Traveler, so the Clock Source setting is Word Cl ock In.
If you have an ADAT sync compatible device,
don’t use SMPTE time code. Instead, use sample­accurate sync as described in the next section.
Sample-accurate sync to ADAT and Tascam
To g et h er, Au di oD es k an d t he Traveler provide you with sample-accurate transfers with ADATs, Alesis recorders and any other devices that support standard ADAT sample address (ADAT Sync).
Similarly, with the help of a MOTU Digital Time piece, AudioDesk and a Traveler can perform sample-accurate transfers with Tascam digital recorders.
A sample-accurate transfer is one in which the original location of the audio is preserved in the transfer, down to the sample.
For details on how to set up sample-accurate sync, see “Sample-accurate sync” on page 27. Be sure to choose the Sample Accurate Sync option in Aud ioD esk’s Receive Sync dialog, and make sure that the Slave to External Sync command is checked, too.
To c ont ro l t he t r ansports of everything together from AudioDesk, see the next section.
MIDI MACHINE CONTROL (MMC)
If you have ADATs an d a M MC -compatible ADAT synchronizer like the MIDI Timepiece AV or Digital Timepiece, you can control everything from your computer screen with AudioDesk’s transport controls and cueing features (like Markers, the playback wiper, etc.)
Similarly, if you have Tascam recorders and a MOTU Digital Timepiece (or other MMC­compatible Tascam synchronizer), can control all of your Tascam decks (in ABS time) in a similar fashion from AudioDesk.
See the MIDI Machine Control chapter in your MIDI Timepiece AV or Digital Timepiece manual for details on how to set this up.
MIDI I/O VIA THE TRAVELER MIDI PORTS
Once you’ve followed the procedure for enabling the Traveler’s MIDI features as explained in “Software installation for Mac OS X” on page 39, the Traveler MIDI ports will appear as a input source and output destination in AudioDesk’s MIDI I/O menus.
PROCESSING LIVE INPUTS THROUGH PLUG-INS
If you patch a live input (such as MIDI synthesizer) through a plug-in effect in AudioDesk, you might hear a slight delay. There are several ways to reduce this delay. For details, see chapter 10, “Reducing Monitoring Latency” (page 73).
EXCHANGING PROJECTS WITH DIGITAL PERFORMER
To op e n Au d io De sk Ve r s i o n 2 (or Version 1) files in DP4, just use DP4’s Open command. (No conversion is required beforehand in AudioDesk.) To e xp or t a Di git al Performer project to AudioDesk, use Save As in Digital Performer’s File menu and choose the AudioDesk 2.0 file format. Then open the resulting AudioDesk 2.0 document in AudioDesk.
AUDIODESK AND MIDI SEQUENCING
AudioDesk can play audio as a background application, allowing you to run a sequencer at the same time in the foreground. However, there is no way to continuously synchronize — or resolve — a sequencer with AudioDesk, so the two programs will eventually drift out of sync, even if you manage
AUDIODESK
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to start them at the same time. If you’d like to do integrated MIDI sequencing, your best bet is Digital Performer, which offers pretty much all of the same features as AudioDesk, along with powerful, state-of-the-art MIDI sequencing. Talk to your authorized MOTU dealer for details about upgrading from AudioDesk to Digital Performer.
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CHAPTER
9 Logic and Other Mac OS X Software
OVERVIEW
The Traveler provides multichannel audio and MIDI input and output for Apple’s Logic, Logic Express and all Mac OS X audio applications. This chapter covers third-party audio applications. For information about running Digital Performer or AudioDesk under Mac OS X, refer to chapter 7, “Digital Performer” (page 57) or chapter 8, “A u d i o D e s k ” (page 63).
Installing the Traveler Mac OS X drivers . . . . . . . . . . . . . . 69
Preparing MIDI input and output . . . . . . . . . . . . . . . . . . . . 69
Run the MOTU FireWire Audio Console . . . . . . . . . . . . . . 69
Choosing the MOTU FireWire Core Audio driver . . . . . 70
Audio Input and output names . . . . . . . . . . . . . . . . . . . . . . 71
Number of channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Processing live inputs with plug-ins . . . . . . . . . . . . . . . . . 72
Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 9-1: The MOTU FireWire Audio Console.
INSTALLING THE TRAVELER MAC OS X DRIVERS
To i ns ta l l t he Tra v ele r’s Mac OS X audio and MIDI drivers, just run the installer on the MOTU FireWire Audio installer CD as detailed in chapter 4, “Installing the Traveler Mac OS X Software” (page 39).
PREPARING MIDI INPUT AND OUTPUT
If you will be using the Traveler’s MIDI input and output ports, be sure to follow the procedures in “CoreMIDI and Audio MIDI Setup” on page 40.
RUN THE MOTU FIREWIRE AUDIO CONSOLE
Before you run your host audio software, launch the MOTU FireWire Audio Console to configure your Traveler hardware. The MOTU FireWire Audio Console lets you configure your audio interface.
For complete details about the Traveler sett ings, see chapter 5, “MOTU FireWire Audio Console” (page 43). The following sections provide a brief explanation of each Traveler setting for use with Logic and other Mac OS X audio software.
Sample rate
Choose the desired overall sample rate for the Trave l er sy st em and your host audio software. Newly recorded audio will have this sample rate.
Before running the Traveler at the 4x sample rates, see “Operation at 4x sample rates (176.4 or 192kHz)” on page 44.
Clock Source
This setting is very important because it determines which audio clock the Traveler will follow.
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If you do not have any digital audio connections to your Traveler (you are using the analog inputs and outputs only), and you will not be slaving your host software to external SMPTE time code, choose Inter nal.
If you wish to slave the Traveler to the ADAT sync Input connector, cho ose ADAT 9-pin. Note that this port will only work properly as a clock source for Mac OS X audio applications that support sample-accurate sync (such as AudioDesk and Digital Performer).
If you have digital audio devices connected to the Trave l er, o r i f you a re not sure about the clock source of your setup, be sure to read “Making sync connections” on page 25 and “Clock Source” on page 44.
Optical input and output
To m ak e a Tr a v el e r opt ica l input or out put ava ilabl e in your host software, choose the appropriate format (ADAT optical or TOSLink) from the optical input and/or output menu. If you won’t be using the optical connectors, turn them off.
There will be a menu there that lets you choose among various drivers that may be in your system. Choose the MOTU Traveler from this menu.
Logic Audio
In Logic audio, go to the Preferences window, click the Audio icon click the Drivers tab and click the
Core Audio tab as shown below. Choose the MOTU Tr av e l e r from the Driver menu. For information
about the I/O Buffer Size setting, see “Adjusting the audio I/O buffer” on page 75.
Phones
This Traveler setting lets you choose what you’ll hear from the headphone jack. For example, if you choose Main Outs, the headphones will duplicate the main outs. Or you can choose any other output pair. If you choose Phones, this setting makes the headphone jack serve as its own independent output pair. As a result, you’ll see Phones 1-2 as an additional audio destination in your host audio software’s audio output menus.
CHOOSING THE MOTU FIREWIRE CORE AUDIO DRIVER
Once you’ve made the preparations described so far in this chapter, you’re ready to run your audio software and enable the MOTU Traveler Core Audio driver. Check the audio system or audio hardware configuration window in your software.
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Figure 9-2: Enabling the Traveler in Logic Audio.
Cubase SX and Nuendo
Go to the Devices menu and choose Device Setup. Choose the Traveler Core Audio driver from the “A SI O D ri ve r” m en u a s s h own below. Activate the inputs and outputs within Cubase or Nuendo as usual. For information about the Audio Buffer Size setting, see “Adjusting the audio I/O buffer” on page 75.
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Most programs will likely address this issue in future updates. In the meantime, here is how you can identify each input and output. Inputs are always listed in the same order as follows:
Figure 9-3: Enabling the Traveler audio driver in Cubase SX.
Other audio software
For other audio applications, the procedure is similar to that shown above for Cubase and Logic. Consult your owner’s manual for further information.
AUDIO INPUT AND OUTPUT NAMES
The Traveler Core Audio driver supplies text string labels for its inputs and outputs to clearly identify each one, but some applications do not display these labels. For example, in Cubase SX, the Trave l er ou t pu ts ar e numbered like this:
Input Channels
Analog 8 1-8 -
AES/EBU 2 9-10
SPDIF 2 11-12 -
Mix1 2 13-14 See “The ‘Mix1’
ADAT 8 @ 44.1/48kHz
4 @ 88.2/96kHz
position Comment
input pair” below.
15-22 15-18
If the optical bank is set to TOSLink or None, then no ADAT inputs are displayed.
Outputs are similarly listed in the same order as follows:
List
Output Channels
Analog 8 1-8 -
AES/EBU 2 9-10 -
SPDIF 2 11-12 -
Phones 2 13-14 If the phones are
List position Comment
assigned to mirror another output pair (such as the main outs), they won’t be listed separately.
Figure 9-4: Some applications number the Traveler inputs and outputs, but don’t display which outputs they refer to.
LOGIC AND OTHER MAC OS X SOFTWARE
ADAT 8 @ 44.1/48kHz
4 @ 88.2/96kHz
15-22 15-18
If the phones are mir­roring, then subtract
2. If the optical bank is set to TOSLink or None, then no ADAT outputs are displayed.
As an example, the AES/EBU inputs will always be listed as inputs 9-10. As another example, ADAT output channels 1-2 will be listed as channels 15-16, unless the phones are mirroring the main outs (or another output), in which case ADAT outputs 1-2 would be listed as channels 13-14.
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The ‘Mix1’ input pair
The Mix1 input pair delivers the output of CueMix DSP “MIX1” (the first mix bus of the four on­board no-latency monitor mixes in the Traveler) back to your computer. This input serves, for example, as a convenient way for you to record the Trave l er ’s M IX1 monitor mix back into your host audio software (for reference and archiving purposes). Further, if you are sending audio from your host audio s oftware to the same output pair as MIX1, you can choose to either include or exclude the audio from the computer in the stream being sent back to the computer. For details on how to do this, see “Mix1 Return Includes Computer” on page 84.
The Mix1 1-2 input is not available at the 4x sample rates (176.4 or 192kHz).
Zero, 2 or 8 channels for optical, depending on
whether you have optical turned off, or set to TOSLink or ADAT optical
For example, if you are using analog only, you only need 10 channels. If you are using analog and RCA S/PDIF, you need 12 channels.
As another example, if you are using analog, RCA S/PDIF, AES/EBU and ADAT optical, you need 22 channels (the maximum number of simultaneous output channels provided by the Traveler).
PROCESSING LIVE INPUTS WITH PLUG-INS
If you patch a live input (such as MIDI synthesizer) through a plug-in effect in your host software, you might hear a slight delay. There are several ways to reduce this delay. F or d e t ai l s , see chapter 10, “Reducing Monitoring Latency” (page 73).
War ni n g: th e Mi x1 inpu t can cause feedback
loops! DO NOT assign this input to a track that shares the same Traveler output pair as MIX1.
Phones 1-2
If you’ve chosen to treat the Traveler headphones as an independent output, they appear in your host software as an independent output pair. Audio tracks assigned to this output pair will be heard on the headphone jack only. For further explanation, see “Phones” on page 48.
NUMBER OF CHANNELS
If your host audio software requires that you specify the number of audio voices or channels you will be using, be sure to choose enough channels to cover the 20 inputs and 22 outputs provided by your Traveler — although the number of channels may depend on how your Traveler is configured:
10 channels for analog I/O (including the
headphone out)
2 channels for RCA S/PDIF
SYNCHRONIZATION
As of Version 10.3.6, Mac OS X does not allow third-party applications to take advantage of the Trave l er ’s s am pl e-accurate sync features or on­board SMPTE sync features. Refer to www.motu.com for further developments. However, if most applications that support exter nal sync will be able to supports the Traveler’s word clock sync capabilities. Consult chapter 3, “Installing the Traveler Hardware” (page 17) and use the synchronization diagrams in that chapter to synchronize your software and the Traveler to the other components of your system.
2 channels for AES/EBU
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CHAPTER
10 Reducing Monitoring Latency
OVERVIEW
Monitoring latency is that slight delay you hear when you run an input signal through your host audio software. For example, you might hear it when you drive a live mic input signal through a reverb plug-in running in your audio sequencer.
This delay is caused by the amount of time it takes for audio to make the entire round trip through your computer, from when it first enters a Traveler input, passes through the Traveler hardware into the computer, through your host audio software, and then back out to a Traveler output.
If you don’t need to process a live input with plug-ins, the easiest way to avoid monitoring latency is to use the Traveler’s CueMix DSP feature to patch the input directly to your monitor outs via the Traveler audio hardware. This is just like bussing inputs to outputs in a digital mixer. For details, see “CueMix DSP hardware monitoring” on page 77.
If you do need to process a live input with plug-ins, or if you are playing virtual instruments live through your Traveler audio hardware, you can significantly reduce latency — and even make it completely inaudible, regardless of what host audio application software you use. This chapter explains how.
Monitoring live input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Adjusting the audio I/O buffer . . . . . . . . . . . . . . . . . . . . . . . 75
Lower latency versus higher CPU overhead . . . . . . . . . . 76
Transport responsiveness . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Effects processing and automated mixing . . . . . . . . . . . 77
CueMix DSP hardware monitoring . . . . . . . . . . . . . . . . . . . 77
Two methods for controlling CueMix DSP . . . . . . . . . . . . 77
Using CueMix Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Controlling CueMix DSP from your audio software . . 77
It is i mpor tant to note that m onitoring delay h as no effect on when audio data is recorded to disk or played back from disk. Actual recording and playback is extremely precise.
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MONITORING LIVE INPUT
There are two ways to monitor live audio input with a Traveler: 1) through the computer or 2) via CueMix™ DSP hardware monitoring. Figure 10-1 on page 74 shows method 1, which allows you to add effects processing such as reverb and guitar amp effects via plug-ins in your audio software. See the next section, “Adjusting the audio I/O buffer” for details about how to reduce — and possibly eliminate — the audible monitoring delay that the computer introduces.
Figure 10-2 shows how to use CueMix™ DSP hardware-based monitoring, which lets you hear what you are recording with no monitoring delay and no computer-based effects processing. (You can add effects later, after you’ve recorded the live input as a disk track.) See “CueMix DSP hardware
monitoring” later in this chapter for details on how to use CueMix DSP with your audio software, or with the included CueMix Console software.
If the material you are recording is suitable, there is a third way to monitor live input: use both methods (Figure 10-1 and Figure 10-2) at the same time. For example, you could route vocals to both the computer (for a bit of reverb) and mix that processed signal on the main outs with dry vocals from CueMix DSP.
1. Live input (from mic, guitar, etc.) enters the MOTU interface.
3. Mic signal is ‘patc hed thru’ back to the audio interface
2. Mic signal goes immedi­ately to the computer (dry, with no effects processing).
Mac
Figure 10-1: There are two ways to monitor live audio inputs with a Traveler: 1) through the computer or 2) via CueMix™ DSP hardware monitoring. This diagram shows method 1 (through the computer). When using this method, use your host software’s buffer setting to reduce the slight delay you hear when monitoring the live input, but don’t lower it too much, or your computer might get sluggish.
with reverb or other plug-in effects, if any.
4. Mic signal (with plug-in processing, if any) is routed to the main outs (or other outputs that you’ve specified in the software).
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ADJUSTING THE AUDIO I/O BUFFER
buffer is a small amount of computer memory
used to hold data. For audio interfaces like the Trave l er, b uf fe rs ar e u sed for the process of transferring audio data in and out of the computer. The size of the buffers determines how much delay you hear when monitoring live inputs through your audio software: larger buffers produce more delay; smaller buffers produce less.
Under Mac OS X, audio I/O buffer size is handled by the host audio application (not the Traveler Core Audio driver). Most audio software applications provide an adjustable audio buffer setting that lets you control the amount of delay you’ll hear when monitoring live inputs or processing them with software plug-ins. Below are a few examples.
Figure 10-3: In Digit al Per form er and AudioDesk, choose Setup menu> Configure Audio System> Configure Hardware Driver to open the dialog shown above and access the Buffer Size setting. Refer to your Digital Performer or AudioDesk manual for information about the Host Buffer Multiplier setting.
A
1. Live input (from mic, guitar, etc.) enters the MOTU interface.
3. Mic signal is mixed with the main outs, and you can control the volume (relative to the rest of the mix) with the mic’s fader in CueMix Console.
Figure 10-2: This diagram shows the signal flow when using CueMix™ DSP no-latency monitoring. Notice that this method does not allow you to process the live input with plug-ins in your audio software while it is being monitored. You can, however, add effects later — after recording the live input as a disk track. CueMix™ DSP lets you hear what you are recording with no delay and no computer-based effects.
REDUCING MONITORING LATENCY
2. CueMix™ DSP immediately patches the live mic signal directly to the main outs (or other output), completely bypassing the computer (dry, with no effects processing).
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Figure 10-4: In Cubase SX or Nuendo, choose Devices menu> Device Setup and click VST Multitrack to access the window above and the Audio Buffer Size setting.
How responsive the transport controls are in AudioDesk, Digita l Performer or other audio software
The buffer setting presents you with a trade-off between the processing power of your computer and the delay of live audio as it is being patched through your software. If you reduce the size, you reduce p atch thru latency, but significantly increase the overall processing load on your computer, leaving less CPU bandwidth for things like real­time effects processing. On the other hand, if you increase the buffer size, you reduce the load on your computer, freeing up bandwidth for effects, mixing and other real-time operations.
Figure 10-6: When adjusting the buffer size to reduce monitoring latency, watch the ‘processor’ meter in Digital Performer or AudioDesk’s Performance Monitor. If you hear distortion, or if the Perfo rmance meter is peaking, try raising the buffer size.
Figure 10-5: In Logic Audio, go to the Audio Driver preferences to access the I/O buffer Size option shown above.
Lower latency versus higher CPU overhead
The buffer setting has a large impact on the following things:
Patch thru latency
The load on your computer’s CPU
Possible distort ion at the smallest settings
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If you are at a point in your recording project where you are not currently working with live, patched­thru material (e.g. you’re not recording vocals), or if you have a way of externally processing inputs, choose a higher buffer size. Depending on your computer’s CPU speed, you might find that settings in the middle work best (256 to 1024).
Transport responsiveness
Buffer size also impacts how quickly your audio software will respond when you begin playback, although not by amounts that are very noticeable. Lowering the buffer size will make your software respond faster; raising the buffer size will make it a little bit slower, but barely enough to notice.
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Effects processing and automated mixing
Reducing latency with the buffer size setting has another benefit: it lets you route live inputs through the real-time effects processing and mix automation of your audio software.
CUEMIX DSP HARDWARE MONITORING
The Traveler has a more direct method of patching audio through the system. This method is called
CueMix DSP . When enable d, CueMix activates
hardware patch-thru in the Traveler itself. CueMix DSP has two important benefits:
First, it completely eliminates the patch thru delay (reducing it to a small number of samples — about the same amount as one of today’s digital mixers).
Secondly, CueMix DSP imposes no strain on the computer.
The trade-off, however, is that CueMix DSP bypasses your host audio software. Instead, live audio inputs are patched directly through to outputs in the Traveler itself and are mixed with disk tracks playing back from your audio software. This means that you cannot apply plug-ins, mix automation, or other real-time effects that your audio software provides. But for inputs that don’t need these types of features, CueMix DSP is the way to go.
On the other hand, if you really need to use the mixing and processing provided by your audio software, you should not use CueMix DSP. Instead, reduce latency with the buffer setting (as explained earlier in this chapter).
TWO METHODS FOR CONTROLLING CUEMIX DSP
There are two ways to control CueMix DSP:
With CueMix Console
From within your host audio software (if it
supports direct hardware monitoring)
Yo u c a n e ve n u s e b ot h methods simultaneously.
Using CueMix Console
If your host audio software does not support direct hardware monitoring, you run CueMix Console side-by-side with your audio software and manage your monitor mix in CueMix Console.
CueMix Console allows you to create up to four separate Traveler monitor mixes, or any other desired routing configurations. These routings are independent of your host audio software. For complete details, see chapter 11, “CueMix Console” (page 79).
Controlling CueMix DSP from your audio software
Some audio applications allow you to control CueMix DSP monitoring from within the application (without the need to use CueMix Console). In most cases, this support consists of patching a Traveler input directly to an output when you record-arm a track. Exactly how this is handled depends on the application.
The following applications are among those that support direct control over CueMix DSP:
Digital Performer
Aud ioD esk
CueMix DSP routings that are made via host applications are made “under the hood”, which means that you won’t se e t hem in CueMix Console. However, CueMix DSP connections made inside your host audio software dovetail with any other mixes you’ve set up in CueMix Console. For example, if your host application routes audio to an output pair that is already being used in CueMix Console for an entirely separate mix bus, both audio streams will simply be merged to the output.
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Follow the directions below in the section that applies to you.
Controlling CueMix DSP from within AudioDesk or Digital Performer
To tu r n on CueMix DSP in AudioDesk and Digital Per former :
From the Setup menu, choose Configure Audio
System>Input Monitoring Mode
Choose the Direct hardware playthrough option,
as shown below in Figure 10-7.
Once enabled, CueMix DSP monitoring is tied with Digital Performer or AudioDesk’s
Audio Patch
Thru feature: when you record-enable a track, the
track’s input is routed directly to its output (via CueMix DSP in the Traveler hardware). For example, if you record-enable a track called
guitar
in your DP or AudioDesk project, and its audio input assignment is
Analog in 2 , and its audio
output assignment is optical channels 7-8, CueMix DSP no-latency hardware monitoring will automatically be set up from analog in 2 to optical outputs 7-8.
From the Studio menu, choose Audio Monitor , and enable Audio Patch Thru (the button with the headphone icon on it).
Figure 10-7: Enabling CueMix DSP in AudioDesk or Digital Performer.
Controlling CueMix DSP from within other software
Consult the manual for your software.
1
. 2
3
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CHAPTER
CueMix Console
11
OVERVIEW
CueMix Console provides access to the flexible on-board mixing features of the Tr a v e l e r . CueMix lets you route any combination of inputs to any stereo output pair. These mixes can be set up entirely independently of your host audio sof tware. CueMix allows you to set up four completely independent mix configurations with the Traveler. Yo u c a n a ls o s a v e an d load mix configurations.
CueMix Console can be used independently of host audio software, or together with it. CueMix mixing dovetails with the direct monitoring (hardware patch thru) features of your host audio software, allowing you to seemlessly mix in both environments.
+6dB boost Reference level
Message center
Advantages of CueMix monitoring. . . . . . . . . . . . . . . . . . . 80
CueMix Console installation. . . . . . . . . . . . . . . . . . . . . . . . . . 80
Cuemix Console basic operation . . . . . . . . . . . . . . . . . . . . . 80
Working with a mix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Shortcuts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Copying & pasting (duplicating) entire mixes . . . . . . . . 81
Message center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Preamp gain, pa d, ref erence level and +6dB boost . . . 82
Saving and loading presets . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Saving and loading presets to/from disk . . . . . . . . . . . . . 82
Edit channel names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Tal k back and listenback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Mix1 Return Includes Computer . . . . . . . . . . . . . . . . . . . . . 84
Show meter in dock icon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Phones menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Control Surfaces menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
CueMix Console examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Preamp gain
Pad
Input name
Input scroll bar
Input mute/solo
Input pan
Input volume
Mix tabs
Input section
Figure 11-1: CueMix Console is a virtual mixer that gives you control over the Traveler’s on-board mixing features.
Solo indicator
Master mute (enable/disable)
Mix output
Master fader
Output level
Grow box
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ADVANTAGES OF CUEMIX MONITORING
CueMix Console provides several major advantages over monitoring live inputs through your host audio software:
CueMix has no buffer latency. Thanks to the
Trave l er ’s D SP chip, CueMix provides the same throughput performance as a digital mixer.
CueMix imposes absolutely no processor drain
on the computer’s CPU.
CueMix routing can be maintained
independently of individual software applications or projects.
CueMix routing can operate without the computer, allowing the Traveler to operate as a portable, stand-alone mixer.
CueMix Console does not provide effects processing. For information about using your audio software’s native plug-ins together with CueMix, see chapter 10, “Reducing Monitoring Latency” (page 73).
CUEMIX CONSOLE INSTALLATION
CueMix Console is installed with the rest of your
Trave l er so ftwa re .
CUEMIX CONSOLE BASIC OPERATION
The CueMix console is simple to operate, once you understand these basic concepts.
Four mixes
CueMix provides four separate mixes: Mix1, Mix2, Mix3 and Mix4. Each mix can have any number of inputs mixed down to any Traveler output pair that you choose. For example, Mix1 could go to the headphones, Mix2 could go to the main outs, Mix3 could go to a piece of outboard gear connected to analog outputs 7-8, etc.
Many inputs to one output pair
It might be useful to think of each mix as some numbe r of inputs all mixed down to a stereo output pair. CueMix Console lets you choose which inputs to include in the mix, and it lets you specify the level and pan for each input being fed into the mix.
Viewing one mix at a time
CueMix Console displays one mix at a time. To select which mix you are viewing, click its tab at the bottom of the window, as shown in Figure 11-1. The mix name appears in the tab. Double-click the name to change it.
Each mix is completely independent
Each mix has its own settings. Settings in one mix will not affect another. For example, if an input is used in one mix, it will still be available in other mixes. In addition, inputs can have a different volume, pan, mute and solo setting in each mix.
Some channel settings apply across all mixes
The settings at the top of the CueMix Console window (above the channel section) apply to all mixes. These settings include the preamp gain and pad for the four mic inputs, and the +4/-10dB reference level and +6dB software boost for analog inputs 5-8.
Widening the CueMix Console window
To v ie w mo re input faders at once, drag the grow box (Figure 11-1) to the right.
WORKING WITH A MIX
Each mix has the following components:
A stereo output with master fader
Name
Master mute (to enable/disable the entire mix)
Any number of mono or stereo inputs
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Pan, volume, mute and solo for each input
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These elements are visually grouped together in the lightly shaded area in the lower half of the CueMix Console window.
Viewing a mix
To v ie w a m ix, click its tab at the bottom of the window, as shown in Figure 11-1. The mix name appears in the tab.
Naming a mix
Double-click the mix name in the tab.
Input volume and pan
Use the input fader and pan knob (Figure 11-1) to adjust these settings for the input in the mix. Again, all settings within the gray-shaded channel strip area belong to the mix currently being viewed. Note that an input can have different settings in different mixes.
To a dju st t he vo lume or panning for a stereo input pair, hold down the command key while dragging the fader or knob for either the left or right input.
Master mute
The master mute button (Figure 11-1) temporarily disables (silences) the mix.
Master fader
The master fader (Figure 11-1) controls the overall level of the mix (its volume on its stereo output). Use the individual input faders to the left to control individual input levels.
Output level meters
The OUT level meters show you the output for the mix’s physical output, which may include audio from your host audio software. The clip indicators clear themselves after a few seconds.
Input section
The channel strips to the left of the master fader represent each input in your Traveler. Use the input scroll bar to view additional inputs.
Input mute/solo
To a dd a n i nput to a mix, or remove it, click its MUTE button. To solo it, use its SOLO button. To toggle these buttons for a stereo pair, hold down the command key while clicking either channel. The Solo indicator LED (Figure 11-1) lights up when any input is soloed (including inputs that may currently be scrolled off-screen).
SHORTCUTS
Hold down the following modifier keys as shortcuts:
Shortcut Result
Shift key Applies your action to all inputs in the mix.
Command key Applies your action to the stereo input pair
Option key Applies your action to all busses
Double-click Returns the control to its default value (pan
center, unity gain, etc.)
COPYING & PASTING (DUPLICATING) ENTIRE MIXES
To c op y a nd p a st e the settings from one mix to another:
1 Select the source mix (Figure 11-1) and choose Copy from the file menu (or press command-C).
2 Choose the destination mix and choose Paste from the file menu (or press command-V).
MESSAGE CENTER
The Message Center displays fly-over help for items in the CueMix Console window. It also displays messages regarding the overall operation of the Tr a v e l e r.
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PREAMP GAIN, PAD, REFERENCE LEVEL AND +6DB BOOST
The preamp gain, pad, reference level and +6dB boost settings at the very top of the CueMix Console window (Figure 11-1) affect each input globally, across all mixes and for audio being routed to the computer. For example, if you add 6dB of boost, your host software will receive the boost for that input as well.
Preamp gain
This setting (Figure 11-1) adjusts preamp gain, just like the four trim knobs on the front panel of the Tr a v e l e r.
Pad
These buttons (Figure 11-1) toggle the pad for each mic input. Clicking these buttons is the same as pushing the trim knobs on the front panel.
Boost
This setting (Figure 11-1) adds 6 dB of gain to the input signal. This setting is applied globally for the input.
+4/-10 reference level
Click the reference button to toggle between these two standard reference levels. This setting is applied globally for the input pair.
SAVING AND LOADING PRESETS
As explained earlier in “Save/Name Preset” on page 53, the Traveler can store up to 16 presets in its on-board memor y. A preset includes of all CueMix DSP settings for all four mix busses, but it excludes global settings like clock source and sample rate.
The Load Preset and Save Preset commands in the CueMix Console File menu let you name, save and load presets in the Traveler.
SAVING AND LOADING PRESETS TO/FROM DISK
The Save and Load commands in the CueMix Console File menu allow you to save Traveler presets to and from your hard drive. This allows you to save an unlimited number of Traveler presets on disk. (Use the Load Preset and Save Preset commands to get presets from — and save them to — the Traveler itself.) Click the Save button to save the current configuration; click the Load button to open an existing configuration that you have previously saved on disk.
EDIT CHANNEL NAMES
Choose Edit Channel Names from the CueMix Console File menu to open a window that lets you customize the names of the Traveler’s inputs and outputs. Your custom names appear in CueMix Console (in the input name strip as shown in Figure 11-1 on page 79) and in the input and output menus of your host audio software. For details, see “Edit Channel Names” on page 48.
TAL KB ACK AND LISTENBACK
CueMix Console provides Ta l k b a c k and Listenback buttons. Talkback allows an engineer in the control room to temporarily dim all audio and talk to musicians in the live room. Conversely, Listenback allows musicians to talk to the control room.
Hardware setup
Figure 11-2 below shows a typical hardware setup for Talkback and Listenback. For Talkback, set up a dedicated mic in your control room and connect it to a mic input on your MOTU FireWire audio interface. For Listenback, set up a dedicated listenback mic in the live room for the musicians and connect it to another mic input. For talkback output, set up a headphone distribution amp or set of speakers in the live room, and connect it to a pair of outputs. For example, you might connect a headphone distribution amp to analog outputs 7-8 on your MOTU Firewire audio interface, as demonstrated below in Figure 11-2 on page 83.
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Control room
Main
outs
Tal k back mic
Tal k back / Listenback Mic Input
Choose the audio input to which your Talkback and/or Listenback mic is connected. These inputs are labeled with a purple and blue swatch, respectively, just above the channel fader.
Outs
7-8
Live room
Headphone distribution amp
Listenback mic
Figure 11-2: Typical hardware setup for Talkback and Listenback.
CueMix Console setup
To s et up Talkback and/or Listenback in CueMix Console, choose File menu> Talkback settings> Configure Talkback/Listenback to open the window shown in Figure 11-3:
Figure 11-3: Configuring Talkback and Listenback.
These labels identify the Talkback and Listenback mic inputs.
Figure 11-4: The purple label identifies the Talkback mic input; the blue label indicates the Listenback mic. Use the input fader to control the mic volume.
Tal k back / Listenback Monitor Dim
Choose the amount of attenuation you would like to apply to all other audio signals (besides the talkback volume) when Talkback and/or Listenback is engaged. To completely silence all other audio, move the slider all the way to the left (-Inf).
Tal k / Listen signal routing
As shown in Figure 11-3, check the boxes next to the outputs on which you’d like to hear the Ta l kb a ck m ic an d/ or Li st e nback mic. For example, as demonstrated in the diagram in Figure 11-2, to hear the Talkback mic on the headphones in the live room, check the Analog 7-8 check box in the Ta l k column as demonstrated in Figure 11-3. To hear the Listenback mic on the main monitors in the control room, check the Analog 1-2 check box in the Listen column, also demonstrated in Figure 11-3.
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Engaging/disengaging Talkback and Listenback
To e ng a ge Ta lk back or Listenback, press on the Ta l k or Li st e n buttons and then release to disengage. Talkback and/or Listenback is engaged for as long as you hold down the mouse button. Option-click to make the buttons “sticky” (stay engaged until you click them again — so you don’t have to hold down the mouse). If you would like to engage both Talkback and Listenback at the same time, enable the Link button.
Tr a v e l e r) back to your computer. This input serves, for example, as a convenient way for you to record the Traveler’s MIX1 monitor mix back into your host audio software (for reference and archiving purposes).
When the Mix1 return includes computer menu item is checked, any audio being sent from your audio software on the computer to the same output as Mix1 will be included in the Mix1 return bus. When it is uchecked, computer output is excluded.
This menu item is essentially a pre/post switch for the computer audio insert to the stream of audio going to Mix1’s Traveler out put pair (and also back to the computer).
SHOW METER IN DOCK ICON
This CueMix Console File menu item, when checked, causes the CueMix Console dock icon to display a small level meter that mirrors the main output meter for the current mix being displayed in CueMix Console.
Figure 11-5: The Talkback and Listenback buttons.
Controlling Talkback and Listenback volume
To c ont ro l t he vo lu me o f the Talkback and/or Listenback mics, adjust their input fader in CueMix Console. This fader controls the volume of the input, regardless of which bus mix is being displayed in the CueMix Console window. In other words, once an input has been designated as a Ta l kba ck or L is tenback input, its fader becomes global for all CueMix buses.
MIX1 RETURN INCLUDES COMPUTER
The Mix1 return includes computer item in the CueMix Console File menu refers to the Mix1 bus that the Traveler driver provides as an input to host audio software. This input source delivers the output of CueMix DSP “MIX1” (the first mix bus of the four on-board no-latency monitor mixes in the
84
PHONES MENU
The Phones menu allows you to choose what you will hear on the headphone output, just like the Phones setting the MOTU FireWire Audio Console. However, this menu provides one extra option that is exclusive to CueMix Console: Follow Active Mix. This menu item, w hen checked, causes the headphone output to mirror the output of the current mix being viewed in CueMix Console. For example, if you are currently viewing Mix3 (the Mix3 tab is active), the headphones will mirror the Mix3 output (whatever it is assigned to).
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CONTROL SURFACES MENU
CueMix Console can be controlled from an automated control surface such as the Mackie Control™. Use the commands in the Control Surfaces menu to enable and configure this feature.
Application follows control surface
When checked, the Application follows control surface menu command makes the CueMix
Console window scroll to the channel you are currently adjusting with the control surface, if the channel is not visible when you begin adjusting it. The same is true for the bus tabs: if you adjust a control in a bus that is not currently being displayed, CueMix Console will jump to the appropriate tab to display the control you are adjusting.
Mackie Control Surfaces
CueMix Console includes support for the following control surface products:
Mackie Control™
Mackie HUI™
Mackie Baby HUI™
Use the sub-menu commands in the Mackie Control Surfaces menu item to turn on and
configure control surface support, as described briefly below.
Enabled
Check this menu item to turn on control surface operation of CueMix Console. Uncheck it to turn off control surface support.
Share surfaces with other applications
When the Share surfaces with other applications menu command is checked, CueMix Console releases the control surface when you switch to another application. This allows you to control your other software with the control surface. Here’s a simple way to understand this mode: the control surface will always control the front-most application. Just bring the desired application to the front (make it the active application), and your control surface will control it. When you’d like to make changes to CueMix Console from the control surface, just bring CueMix Console to the front (make it the active application).
When this menu item is unchecked, your control surface will affect CueMix Console all the time, even when CueMix Console is not the front-most application. In addition, you will not be able to control other host audio software with the control surface at any time (because CueMix Console retains control over it at all times). This mode is useful when you do not need to use the control surface with any other software.
CUEMIX CONSOLE
Configure…
Choose this menu item to configure your control surface product. Launch the on-line help for specific, detailed instructions for configuring CueMix Console for operation with your control surface product.
Figure 11-6: Refer to the extensive on-line help for details about configuring CueMix Console for operation with your control surface product.
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Other HUI-compatible control surfaces
Any control surface that has the ability to emulate a HUI should be compatible with CueMix Console. Just add a Mackie HUI to Audi o MIDI Setup and put the control surface hardware into HUI emulation mode. Consult the manual for the control surface for details about how put it into HUI emulation mode.
Other control surface hardware products
If you install other control surface drivers written for CueMix Console, they will appear as separate menu items at the bottom of the Control Surfaces menu, with the same sub-menu items described above.
CUEMIX CONSOLE EXAMPLES
Figure 11-7 below shows some examples of how you can use CueMix DSP:
Powe red speakers are connected to the Traveler
main outs. Any input can be routed directly to the speakers.
Microphone input can be routed via CueMix
DSP to the effects processor for live outboard processing during recording. The resulting signal can be recorded into the computer either wet, dry or both (via the effects processor return or the direct mic input).
The ADAT optical connection provides 8
channels of 24-bit digital I/O to the digital mixer (or 4 channels at 96kHz). Any device connected to the Traveler can be routed to/from the mixer with no latency. Conversely, any mixer channel can be routed to any device connected to the Traveler with no latency.
Figure 11-7: An example setup of a system that takes full advantage of CueMix DSP.
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CHAPTER
12 FireWire SMPTE Console
OVERVIEW
The Traveler can resolve to SMPTE time code, without a dedicated synchronizer. It can also serve as a SMPTE time code generator.
The FireWire SMPTE Console software provides a complete set of tools to resolve to SMPTE, and to generate SMPTE for striping, regenerating or slaving other devices to the computer.
The Traveler provides a DSP-driven phase-lock engine with sophisticated filtering that provides fast lockup times and sub-frame accuracy.
Any analog input and output on the Traveler can be used for time code (LTC) input and output, respectively.
Clock/Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Frame Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Reader section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Generator section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
The Reader section provides
settings for resolving to video
and/or SMPTE time code.
CLOCK/ADDRESS
The Clock/Address menu provides the same global Clock Source setting as in the MOTU FireWire Audio Console (“Clock Source” on page 44), but it includes additional information: each setting shows both the clock and the address (time code or sample location), separated by a forward slash ( / ). For example, the word clock setting (Word Cl ock In / Internal) shows the clock source (Word C lock In) followed by the address (Internal). Notice that only the SMPTE setting supports SMPTE time code as the reference for address. The digital clock sources do not support the Traveler’s on-board SMPTE time code sync.
Resolving to SMPTE time code
To r es o lve the Traveler to SMPTE time code, choose the SMPTE / SMPTE setting in the Clock/ Address menu. This means that the system will use SMPTE as the clock (time base) and SMPTE as the
The Generator sec tion
provides settings for striping
SMPTE time code.
Figure 12-1: SMPTE Console gives you access to your Traveler’s on-board SMPTE time code synchronization features.
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address. For further details on the hardware connections involved, see “Syncing to SMPTE time code” on page 30.
Resolving to video
To resolve the Traveler to video, you need a synchronizer such as a MIDI Timepiece AV or a Digital Timepiece to feed word clock to the Trave le r. I n t hi s sc enario, choose the Wor d C lo ck In clock source setting in The MOTU FireWire Audio Console. The Traveler uses word clock for the time base and your host application resolves to MIDI Time Code generated from the synchronizer. For details, see “Syncing to video and/or SMPTE time code using a synchronizer” on page 31.
FRAME RATE
This setting should be made to match the SMPTE time code frame rate of the time code that the system will be receiving. The Traveler can auto­detect and switch to the incoming frame rate, except that it cannot distinguish between 30 fps and 29.97 fps time code. So if you are working with either of these rates, make sure you choose the correct rate from this menu. The Traveler driver updates the frame rate setting in Digital Performer and AudioDesk for you.
READER SECTION
The Reader section (on the left-hand side of the window in Figure 12-1) provides settings for synchronizing the Traveler to SMPTE time code.
Status lights
The four status lights (Tach, Clock, Address and Freewheel) give you feedback as follows.
Clock
The Clock light glows continuously when the Trave l er ha s successfully achieved lockup to an external time base, such as SMPTE time code or word clock.
Address
The Address light glows continuously when the Trave l er ha s s uccessfully achieved lockup to SMPTE time code.
Freewheel
The Freewheel light illuminates when the Traveler is freewheeling address (time code), clock or both. For details about Freewheeling, see “Freewheel Address” and “Freewheel clock” below.
SMPTE source
Choose the analog input to which the SMPTE time code source is connected. This is the input that the Tr a ve l e r “ li s t e n s” to for time code.
Freewheel Address
Freewheeling occurs when there is a glitch or drop-out in the incoming time code for some reason. The Traveler can freewheel past the drop­out and then resume lockup again as soon as it receives readable time code. Choose the amount of time you would like the Traveler to freewheel before it gives up and stops altogether.
The Traveler cannot freewheel address without clock. Therefore, the Freewheel Address setting will always be lower than or equal to the Freewheel Clock setting, and both menus will update as needed, depending on what you choose.
Ta c h
The Tach light blinks once per second when the Trave l er ha s s uccessfully achieved lockup to SMPTE time code and SMPTE frame locations are being read.
88
Keep in mind that freewheeling causes the system to keep going for as long as the duration you choose from this menu, even when you stop time code intentionally. Therefore, if you are starting and stopping time code frequently (such as from the transports of a video deck), shorter freewheel times are better. On the other hand, if you are
FIREWIRE SMPTE CONSOLE
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doing a one-pass transfer from tape that has bad time code, longer freewheel times will help you get past the problems in the time code.
Tac h light
The Tach light blinks once per second when the Trave l er is ge ne ra ti ng SMPTE time code.
The ‘Infinite’ freewheel setting
The Infinite freewheel setting in the Freewheel Address menu causes the Traveler to freewheel
indefinitely, until it receives readable time code again. To make it stop, click the Stop Freewheeling button.
Freewheel clock
Freewheeling occurs when there is glitch or drop-out in the incoming SMPTE time code for some reason. The Traveler can freewheel past the drop-out and then resume lockup again as soon as it receives a stable, readable clock signal.
The Traveler cannot freewheel address without clock. Therefore, the Freewheel Address setting will always be lower than or equal to the Freewheel Clock setting, and both menus will update as needed, depending on what you choose.
The ‘Infinite’ freewheel setting
The Infinite freewheel setting in the Freewheel Clock menu causes the Traveler to freewheel
indefinitely, until it receives readable time code again. To make it stop, click the Stop Freewheeling button.
Stop Freewheeling
The Stop Freewheeling button stops the system if it is currently freewheeling.
GENERATOR SECTION
The Generator section (on the right-hand side of the window in Figure 12-1) provides setting for generating SMPTE time code.
Level
Tur n t he leve l knob to adjust the volume of the SMPTE time code being generated by the Traveler. The level knob disappears when the Destination is set to None.
Destination
In the Destination menu, choose the analog output from which SMPTE time code will be generated. This is the output that sends time code.
Stripe
Click this button to start or stop time code. To set the start time, click directly on the SMPTE time code display in the Generator section and type in the desired start time. Or drag vertically on the numbers.
Click here to edit the start time, or drag vertically on the numbers.
Figure 12-2: Setting the time code start time.
Regenerate
This option, when enabled, causes the generator to generate time code whenever the Traveler is receiving either SMPTE time code or ADAT Sync (via its ADAT Sync In port).
Generate from sequencer
This option, when enabled, causes the generator to generate time code whenever you are running Aud ioD esk or Dig ita l Perfor mer. Time code begins at the time specified by the AudioDesk or Digital Perfor mer main transport.
FIREWIRE SMPTE CONSOLE
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CHAPTER
13 Troubleshooting
Things seems like they are working fine, but the Traveler t he n ju st drops off line, and the computer can’t see it anymore on the FireWire bus.
This is a common symptom when the problem is that the Traveler is not getting enough power. Check the power source for the Traveler. Make sure that the power connection meets the requirements outlined in “Power options” on page 20.
Sample accurate sync in AudioDesk and Digital Per former
When you first use sample accurate sync, be sure to go to the Receive Sync dialog in Digital Performer or AudioDesk and switch from “MTC” to “Sample­accurate.”
Can’t authenticate AudioDesk
When installing software off the CD-ROM, the OK button does not become active until you have entered in your name and a valid keycode. Your name must contain at least 3 characters, and you must enter the keycode exactly as it appears in your AudioDesk manual (on the inside of the back cover). If you continue to have difficulties, try repairing Mac OS X disk permissions using Disk Utilit y.
No input on an ADAT tape deck
If you are having trouble recording on your ADAT tape deck from the Traveler, check the Digital input setting. After power cycling, tape decks often come up configured to record from their analog inputs. Yo u w on 't b e able to record from the Traveler to a tape deck until it is switched to digital input. Tip: configure this in ClockWorks or AudioDesk if you want your decks to come up in the right mode when power cycled.
Clicks and pops under word clock sync
Many problems result from incorrect word clocking. It is essential that all digital devices in the system be word locked. Consult “Making sync connections” on page 25 for detailed information on how to word clock your gear. Whenever there is any weird noise or distortion, suspect incorrect word lock.
Clicks and pops under ADAT Sync
Sometimes, the ADAT sync cable seems to be plugged into the Traveler, and it partially works. But it isn’t really all the way in. This can cause clicks when slaved to ADAT 9-pin. Make sure the ADAT Sync cable plug is really seated firmly.
Clicks and pops due to hard drive problems
If you have checked your clock settings and you are still getting clicks and pops in your audio, you may have a drive related problem. Set your Clock Source to Inter nal and try recording just using the analog inputs and outputs of the Traveler. If you encounter the same artifacts you may want try using another drive in your computer. Clicks and pops can also occur when the drive is severely fragmented, the disk drivers are outdated, or if you are using a SCSI accelerator that is not optimally configured for working with audio.
Connecting or powering gear during operation
It is not recommended that you connect/ disconnect, or power on/off devices connected to the Traveler while recording or playing back audio. Doing so may cause a brief glitch in the audio.
No optical inputs or outputs are available in host audio application
Check to make sure you have the desired optical inputs and/or outputs enabled in the MOTU FireWire Audio Console.
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Monitoring - How to monitor inputs?
Please refer to the documentation for the audio application that you are using. If your application does not support input monitoring, you will need to use the Traveler’s hardware-based CueMix DSP monitoring feature. Please see chapter 10, “Reducing Monitoring Latency” (page 73).
Controlling monitoring latency
See chapter 10, “Reducing Monitoring Latency” (page 73).
CUSTOMER SUPPORT
We a re ha pp y to provide customer support to our registered users. If you haven’t already done so, please take a moment to complete the registration card included with your Traveler. When we receive your card, you’ll be placed on our mailing list for free software updates and information about new products.
REPLACING DISKS
If your Traveler software installer CD becomes damaged and fails to provide you with fresh, working copies of the software, our Customer Support Department will be glad to replace it. You can request a replacement disc by calling our business office at (617) 576-2760 and asking for the customer service department.
Please provide the following information to help us solve your problem as quickly as possible:
The serial number of the Traveler system. This is
printed on a sticker placed on the bottom of the Trave l er ra ck un it . You m u st be able to supply this number to receive technical support.
A brief explanation of the problem, including the
exact sequence of actions which cause it, and the contents of any er ror messages w hich appear on the screen.
The pages in the manual which refer to the parts
of the Traveler or AudioDesk with which you are having trouble.
The version or creation date of the system
software you are using to run the Macintosh.
We’r e n ot a bl e t o solve every problem immediately, but a quick call to us may yield a suggestion for a problem which you might otherwise spend hours trying to track down.
If you have features or ideas you would like to see implemented, we’d like to hear from you. Please write to the Traveler Development Team, MOTU Inc., 1280 Massachusetts Avenue, Cambridge, MA
02138.
TECHNIC A L S U PPOR T
If you are unable, with your dealer’s help, to solve problems you encounter with the Traveler system, you may contact ou r technical support department in one of the following ways:
Te ch support hotline: (617) 576-3066 (Monday
through Friday, 9 am to 6 pm EST)
Te ch support 24-hour fax line: (617) 354-3068
Te ch su pp or t email: techsupport@motu.com
We b s it e : www.motu.com
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+4/-10dB reference level 82 +6db 55 +6dB Boost 82 .kext 39 02R mixer 32
connecting 24 1394 connector 6, 11, 18 192kHz
multiple interfaces
operation 44
AES/EBU disabled 10 optical disabled 10
24-bit
4/10 55 4-pin FireWire 20 6-pin FireWire 20 828
896HD
A
Activity LEDs 5, 12 ADAT optical 6, 10, 32
ADAT sync 11, 30, 31
AES/EBU 10
All Notes Off 54 Analog activity lights 5, 12 Analog inputs/outputs 6
Application follows control surface 85 Audio
AudioDesk 12, 39, 41, 63
B
Balanced analog 19
S/PDIF disabled 11, 19
AudioDesk
Digital Performer 59
optical 6, 10
recording 12
connecting to Traveler
connecting to Traveler
activity LEDs 5
choosing format 7, 48
clock source setting 46
connecting 19
syncing with 45
9-pin 11, 45
connector 6
sample-accurate 27, 28, 29, 61, 67
sync setting 45
clock source setting 45
disabled at 192kHz 10
meters 5
sync 33
making connections to 19
overview 10
trimming in Digital Performer 59, 65
bit resolution
input/output timing 59, 65
MIDI Setup utility 40
accessing Traveler settings 43
MMC control 28
optical input/output 64
sync settings 28, 29
37
65
36
36
44
Battery power 12, 21
jack 6 Bias Peak 13 Boost 82 Buffer Size 58, 64 Bus Mute 53 Bus Output 53 Bus power 12, 20
enable/disable switch 6, 22
examples 21
requirements 20
C
Calibrating audio input/output 59, 65 Clock
192kHz operation Clock LEDs 5, 12 Clock source 7, 25, 44, 52
AudioDesk 64
SMPTE 47 Coax 10 Condenser mic input 5 Configure Hardware Driver 43 Configure interface 35 Connecting multiple Travelers 35 Control surface support 85 Controller
connecting Converters 6 Copy bus mix 53 Core Audio
defined CoreMIDI
Cubase 13
CueMix Console 77, 79
39
Audio MIDI Setup
benefits 40
Audio Buffer Size 70
Mac OS X 70
Application follows control surface
44
19
40
85
Edit Channel Names 7, 48, 82
Listenback explained 82
listenback settings 83
Mackie control surfaces 85
Share surfaces with other applica-
talkback settings 82, 83 CueMix DSP 77
Mixer 51
output jacks 19
overview 11 Customer support 92
D
Daisy-chaining 36 DAT
connecting DC power supply 22 Default Stereo Input/Output 7, 47 Digital mixer
connecting Digital Performer 13, 57
tions
23
24
85
accessing Traveler settings 43 clock source 58, 69 MMC control 28 Optical input/output 58, 70 sample rate 58, 69
sync settings 28, 29 Digital Precision Trim 11 Digital Timepiece 28 Disc
replacing Dock 7 Drivers
E
Edit Channel Names 7, 48, 82 Enable Pedal 7, 48 Expansion 35
F
Factory Defaults 54 Fader View Time 53 Feedback loops 59, 65, 72 Fine-tune Audio I/O Timing command 60,
92
installing FireWire drivers
39
66
FireWire 11
6-pin vs. 4-pin 20
additional busses 37
Audio Console 39, 43
connecting 18
connector 6
installing drivers 39
PC card adapters 21
PCI cards 21
SMPTE Console 87 Follow Active Mix 84 Follows system 52 Force 44.1/48kHz 7, 48, 52 Freewheel
address
88
clock 89
infinite 89 Front panel 51
LCD display 12
meters 5
G
Gain 55 General tab 43 Generate from sequencer 89 Guitar
connecting
H
Headphone jack 5, 11 Headphones
connecting
controlling output 7, 48
I
iMovie
audio input/output Infinite freewheel 89 Init Current Mix 53
23
23
7, 47
INDEX
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Inputs
analog
6
optical 6 S/PDIF (RCA) 6
Installation
hardware
Installer CD
Internal (sync setting) 45 iTunes
K
kext 39 Keyboard controller
L
Laptop operation 21 Latency 73, 76 Launch console when hardware becomes
LCD display 12, 51 LEDs 5 Lightpipe 32 Listenback
Load Preset 54, 82 LOCK LED 5 Logic Audio 13, 70
M
Mac OS X 69
Macintosh built-in (clock source setting)
17
replacing
92
audio input/output
connecting
available
explained
input and output names 71 sound input/output 7, 47
7, 47
19
7, 48
82
47
Mackie control surfaces 85 Main outs
jacks
6
making connections to 19
volume 5, 11, 52 Main volume 5, 11 Meters 5 Mic/instrument inputs 6, 18
connecting 23
overview 10
phantom power 5 MIDI
activity LEDs
driver 39
jacks 6
Machine Control 26, 27, 61
Time Code sync 26
Timepiece AV 28 MIX BUS knob 54 Mix1 1-2 71
AudioDesk 65
Digital Performer 59
Logic and others 72 Mix1 return includes computer 84 MMC 26, 27, 61 Monitoring 74
thru main outs 19
5
94
MOTU
Audio System
bit resolution Fine-tune Audio I/O Timing
input/output timing 59, 65 Digital Timepiece 28 FireWire Audio Console 39, 43 MIDI driver 39 MIDI Timepiece AV 28
MTC sync 26 Mute 55
N
Neutrik jacks 6 Nuendo 13
Mac OS X 70
O
Optical
choosing format (ADAT or
connectors 6, 19 disabled at 192kHz 10 In/Out 53 LEDs 5, 12 overview 10 sync 32
Optimization 76 Outputs
analog optical 6 S/PDIF (TOSLink) 6
P
Packing list 15 Pair 55 Pan 55 PARAM knob 55 Paste Bus Mix 53 Patch thru
latency
PCI
clock source setting FireWire adapters 37
PCMCIA adapters 37 Peak 13 Performance 76 Phantom power 5, 11, 18 Phase-lock 25 Phones 5, 7, 11, 48, 71
AudioDesk 64 Digital Performer 58, 70
Phones 1-2
AudioDesk Digital Performer 59 Logic & others 72
Phones Assign 53 Phones menu 84 Polarity 22 Power supply 22
jack 6
TOSlink)
6
76
65
44
60, 66
47
7, 48
R
Reference level 82 Regenerate 89 Registration 15
S
S/PDIF 10
clock source setting 45 disabled at 192kHz 11, 19 lights 5, 12 meters 5 optical 6, 10 RCA 6 sync 33
Sample rate 7, 44
192kHz operation 44
AudioDesk 64 Sample-accurate sync 11, 27, 28, 29 Samplers
connecting Save Preset 82 Save/Name Preset 53 SELECT knob 52 SETUP knob 52 Share surfaces with other applications 85 Show meter in dock icon 84 SMPTE
Console
LOCK LED 5
overview 11
source setting 88
sync 25, 26, 87
synchronization setting 47
TACH LED 5 Solo 55 Sound module
connecting Stand-alone operation 51 Stop Freewheeling 89 Stripe button 89 Studio setup (example) 23 Synchronization 25
AudioDesk 66
Digital Performer 60
multiple interfaces 35
sample-accurate 27, 28, 29
word clock 34 Synths
connecting System preferences
sound input/output System requirements
minimum
recommended computer 13, 15
T
TACH
LED
light (SMPTE Console) 88 Talkback
explained
settings 83 Tascam
23
87
20
23
7, 47
15
5
82
INDEX
Page 95
Sync 30, 31 Technical support 92 Time code sync 87 Tip positive/negative 22 TOSLink 6, 7, 10, 48
clock source setting 46
connecting 19 Traveler
connecting multiple interfaces
expansion 35
installing 17
rear panel overview 9
SMPTE setting 47
summary of features 9
tab 43
Word Clock In setting 45
Troubleshooting
feedback loop
TRS connectors 19
U
Unbalanced analog 19
V
Video sync 25, 87
36
Volume
headphone
VOLUME knob 52
W
Word clock 6, 11, 25, 33, 34
Follows System 52
59, 65, 72
11
Force 44.1/48kHz 7, 48, 52 sync setting 45 Synchronization
Word Clock In setting 45 Word out 7, 48, 52
Y
Yamaha 02R 32
word clock
Follows System 52 Force 44.1/48kHz 7, 48, 52
connecting 24
36
INDEX
95
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