003, 96 I/O, 96i I/O, 192 Digital I/O, 192 I/O, 888|24 I/O,
882|20 I/O, 1622 I/O, 24-Bit ADAT Bridge I/O, AudioSuite,
Avid, Avid DNA, Avid Mojo, Avid Unity, Avid Unity ISIS,
Avid Xpress, AVoption, Axiom, Beat Detective, Bomb Factory,
Bruno, C|24, Command|8, Control|24, D-Command, D-Control,
D-Fi, D-fx, D-Show, D-Verb, DAE, Digi 002, DigiBase,
DigiDelivery, Digidesign, Digidesign Audio Engine, Digidesign
Intelligent Noise Reduction, Digidesign TDM Bus, DigiDrive,
DigiRack, DigiTest, DigiTranslator, DINR, D-Show, DV Toolkit,
EditPack, Eleven, HD Core, HD Process, Hybrid, Impact,
Interplay, LoFi, M-Audio, MachineControl, Maxim, Mbox,
MediaComposer, MIDI I/O, MIX, MultiShell, Nitris, OMF,
OMF Interchange, PRE, ProControl, Pro Tools M-Powered,
Pro Tools, Pro Tools|HD, Pro Tools LE, QuickPunch, Recti-Fi,
Reel Tape, Reso, Reverb One, ReVibe, RTAS, Sibelius,
Smack!, SoundReplacer, Sound Designer II, Strike, Structure,
SYNC HD, SYNC I/O, Synchronic, TL Aggro, TL AutoPan,
TL Drum Rehab, TL Everyphase, TL Fauxlder, TL In Tune,
TL MasterMeter, TL Metro, TL Space, TL Utilities, Transfuser,
Trillium Lane Labs, Vari-Fi Velvet, X-Form, and XMON are
trademarks or registered trademarks of Avid Technology, Inc.
Xpand! is Registered in the U.S. Patent and Trademark Office.
All other trademarks are the property of their respective
owners.
Product features, specifications, system requirements, and
availability are subject to change without notice.
Guide Part Number 9329-65002-00 REV B 06/10
Documentation Feedback
At Avid, we are always looking for ways to improve our
documentation. If you have comments, corrections, or
suggestions regarding our documentation, email us at
techpubs@avid.com.
Welcome to the Mbox® audio and MIDI
production system from Avid
Mbox and Pro Tools LE
USB 2.0-equipped computer with two channels
of analog audio input and output, two channels
of digital audio input and output, MIDI In and
Out ports, analog monitor outs, and a headphone output with front panel level control.
Mbox provides professional-quality mic preamps and 24-bit/96 kHz analog-to-digital and
digital-to-analog converters.
®
.
®
provide your
Mbox Features
Mbox provides the following:
• Two channels of analog audio input with
high-quality microphone preamps and switchable 48V phantom power
• Analog input jacks include two XLR/TRS
combo-jacks and two 1/4 TS jacks, with
switchable Mic, Line, and DI levels
• Soft-limit feature on each input
• –20 dB pad available separately on each analog input channel
• Two channels of S/PDIF digital input and output
• S/PDIF inputs are available independently,
in addition to analog inputs 1–2
• S/PDIF outputs mirror analog outs 1–2 and
can also work independent of the analog
outputs
• Up to a total of four channels of input, using
analog and digital inputs simultaneously
• One MIDI In and one MIDI Out port, providing 16 MIDI input channels and 16 MIDI output channels
• Two 1/4-inch TRS analog monitor outputs
• 24-bit A/D and D/A converters, supporting
sample rates up to 96 kHz
• Low Latency Monitoring (LLM)with adjustable balance between input and playback
• Dim and Mono buttons
• 1/4-inch (TRS) stereo headphone output with
adjustable level control
• On-board reverb and delay effects (useful for
monitoring while tracking vocals)
• Soft-limit analog function
• On-board Tuner
• Multi-function, assignable Soft button
• USB 2.0 High-speed operation
Mbox will not function properly if connected
to a passive USB hub. If you need to use a
hub for other USB peripherals, use a powered hub or a separate dedicated USB port
for Mbox to function properly.
Chapter 1: Welcome to Mbox 1
Pro Tools LE Capabilities
Pro Tools LE on Mac or Windows provides the
following capabilities with Mbox:
• Playback of up to 48 mono or stereo digital
audio tracks, or a combination of playing
back and re cording up to 48 mo no or s tere o
digital audio tracks, depending on the capabilities of your computer.
• Up to 128 audio tracks (with up to 48 active
tracks), 128 Auxiliary Input tracks, 64 Master Fader tracks, 256 MIDI tracks, and 32 Instrument tracks per session.
• 16-bit or 24-bit audio resolution, at sample
rates up to 96 kHz.
• Non-destructive, random-access editing
and mix automation.
• Audio processing with up to 10 inserts per
track (RTAS
• Up to 10 sends per track.
• Up to 32 internal mix busses.
®
plug-ins or hardware inserts)
System Requirements and
Compatibility
Mbox can be used with a qualified Windows or
Mac computer running Pro Tools LE software.
A DVD drive is required to use the Pro Tools Installer disc.
Avid can only assure compatibility and provide
support for hardware and software it has tested
and approved.
For complete system requirements and a list of
qualified computers, operating systems, hard
drives, and third-party devices, visit:
www.avid.com/compatibility
MIDI Requirements
Mbox includes one MIDI In port and one MIDI
Out port, providing 16 channels of MIDI input
and 16 channels of MIDI output.
Pro Tools LE uses your computer’s CPU to
mix and process audio tracks (host processing). Computers with faster clock speeds
yield higher track counts and more plug-in
processing.
Mbox User Guide2
If you require additional MIDI ports, add a MIDI
interface to your system.
USB MIDI interfaces work effectively with
Pro Tools systems on Windows or Mac. Serial
MIDI interfaces are supported on Windows systems only.
Only USB MIDI interfaces are compatible
with Pro Tools systems for Mac OS X.
Modem-to-serial port adapters and serial
MIDI devices are not supported.
For a list of supported MIDI interfaces and
controllers, visit www.avid.com.
Hard Drive Requirements
For optimal audio recording and playback, all
Pro Tools systems require one or more qualified
drives.
If you are using an ATA/IDE or FireWire hard
drive, initialize your drive with the Disk Utility
application included with Apple System software (Mac) or the Windows Disk Management
(Windows).
For more information, see Appendix E, “Hard
Drive Configuration and Maintenance.”
Avoid Recording to the System Drive
Recording to your system drive is not recommended. Recording and playback on a system
drive may result in lower track counts and fewer
plug-ins.
Conventions Used in This
Guide
All of our guides use the following conventions
to indicate menu choices and key commands:
:
ConventionAction
File > SaveChoose Save from the
File menu
Control+NHold down the Control key
Control-clickHold down the Control key
Right-click Click with the right
The names of Commands, Options, and Settings
that appear on-screen are in a different font.
The following symbols are used to highlight
important information:
User Tips are helpful hints for getting the
most from your system.
and press the N key
and click the mouse button
mouse button
Important Notices include information that
could affect your data or the performance of
your system.
Shortcuts show you useful keyboard or
mouse shortcuts.
Cross References point to related sections in
this guide and other Pro Tools guides.
Chapter 1: Welcome to Mbox 3
About www.avid.com
The Avid website (www.avid.com) is your best
online source for information to help you get
the most out of your Pro Tools system. The following are just a few of the services and features
available.
Product Registration Register your purchase
online.
Support and Downloads Contact Avid Customer
Success (technical support); download software
updates and the latest online manuals; browse
the Compatibility documents for system requirements; search the online Knowledge Base
or join the worldwide Pro Tools community on
the User Conference.
Training and Education Study on your own using
courses available online or find out how you can
learn in a classroom setting at a certified
Pro Tools training center.
Products and Developers Learn about Avid
products; download demo software or learn
about our Development Partners and their
plug-ins, applications, and hardware.
News and Events Get the latest news from Avid
or sign up for a Pro Tools demo.
Mbox User Guide4
chapter 2
Installing Pro Tools on Mac
This chapter contains information for Mac systems only. If you are installing Pro Tools on a
Windows computer, see Chapter 3, “Installing
Pro Tools on Windows.”
Before installing this version of Pro Tools,
refer to the Read Me information included
on the Pro Tools Installer disc.
Installing Pro Tools LE and
Connecting Your Interface
Before connecting your Pro Tools LE interface to
the computer, you need to install Pro Tools LE
software.
Do not start this procedure with your Mbox
connected to your computer.
Installation Overview
Installation of the Mbox on a Mac includes the
following steps:
1 “Installing Pro Tools LE and Connecting Your
Interface” on page 5.
2 “Launching Pro Tools LE” on page 7.
3 Configuring your system for improved perfor-
mance (see Chapter 4, “Configuring Your
Pro Tools System”).
4 Making audio connections to the Mbox (see
Chapter 6, “Making Hardware Connections”).
The Pro Tools Installer disc includes additional software for your system. For more information, see “Additional Software on the
Pro Tools Installer Disc” on page 8.
To install Pro Tools LE on Mac OS X:
1 Make sure you are logged in as an Administra-
tor for the account where you want to install
Pro Tools.
When the installation is complete, you will
need to restart your computer.
For details on Administrator privileges in
Mac OS X, see your Apple OS X documentation.
2 Insert the Pro Tools LE Installer disc in your
DVD drive.
Chapter 2: Installing Pro Tools on Mac 5
3 On the Installer disc, locate and double-click
Install Pro Tools LE.mpkg.
Install Pro Tools LE.mpkg icon
4 Follow the on-screen instructions to proceed
with installation.
5 Click Continue each time you are prompted.
6 At the Installation Type page, do one of the
following:
• To install all Pro Tools application files and
free plug-in suites (and associated content),
leave the default Installation options selected and click Continue.
– or –
• Select (or deselect) a custom configuration
of Installation options (see “Installation
Options” on page 6) and click Continue.
7 Click Install.
8 If prompted, enter your Administrator pass-
word and click OK to authenticate the installation.
9 Follow the remaining on-screen instructions.
10 When installation is complete, click Restart.
11 After the computer has started, connect the
small end of the included USB cable to the USB
port on Mbox and connect the other end to any
available USB port on your computer.
If the USB LED on the front panel of the
Mbox does not illuminate, try unplugging
the USB cable from the Mbox USB port, and
plugging it back in. If the USB LED still does
not illuminate, shut down the computer,
disconnect Mbox and start the computer.
Once the computer has fully restarted,
reconnect Mbox.
Mbox may not function properly if connected to a USB hub. If you need to use a
hub for other USB peripherals, connect the
hub to a separate USB port; Mbox must be
connected to a dedicated port on the computer in order to function properly.
Installation Options
Pro Tools LE Options
To install a subset of Pro Tools software and
plug-ins (and associated content), click the reveal triangle for the Pro Tools LE 8.0.4 option in
the installer, and deselect any of the following
options that you do not want installed. (If an
item is checked, it will be installed.)
Application Files (Required for Pro Tools) Installs
the Pro Tools application and supporting library
files needed to run Pro Tools. This option must
be selected to install Pro Tools.
DigiRack Plug-Ins Installs free plug-ins including
DigiRack plug-ins, free Bomb Factory plug-ins,
Eleven Free, TL Utilities, and Digidesign D-Fi
and Maxim plug-ins. For more information, see
the Audio Plug-Ins Guide.
Mbox User Guide6
Pro Tools Creative Collection Options
Select any of the Pro Tools Creative Collection
options you want installed. For more information, see the Audio Plug-Ins Guide.
Effect Plug-Ins Installs 6 free virtual instrument
plug-ins from Avid’s AIR group.
Virtual Instruments Installs 20 free effects plugins from Avid’s AIR group.
Virtual Instrument Content Installs sample content for AIR virtual instruments.
Virtual Instrument Content is very large
and may take up to 20 minutes to install.
During this time, the progress bar may not
appear to move but your software is still installing. Do not terminate your installation.
Additional Options
The Pro Tools installer provides the following
additional options to install along with
Pro Tools software and plug-ins.
Avid CoreAudio Drivers This option installs a
multichannel sound driver that allows CoreAudio-compatible applications to record and play
back through Avid audio interfaces.
Launching Pro Tools LE
When launching Pro Tools LE the first time, you
are prompted to enter an authorization code to
validate your software. (The code begins with
the letters DIGI.)
To authorize Pro Tools LE software:
1 Make sure Mbox is connected to your com-
puter.
2 Click the Pro Tools LE icon in the Dock (or
double-click the application icon in the
Pro Tools folder inside the Digidesign folder).
3 Enter the authorization code in the dialog
(making sure to type it exactly as printed, and
observing any spaces and capitalization), then
click Validate. (Your authorization code is located on the inside front cover of this guide.)
4 Use the Quick Start dialog to do one of
the following:
• Create a new session from template.
• Create a new blank session.
• Open any other session on your system.
Avid Video Engine This option lets you integrate
®
Avid
video peripherals (such as the Avid Mojo®
with your Pro Tools system). Do not install unless you will be using one of these products.
MIDI I/O Driver The MIDI I/O
™
Driver is required if you are using the Avid MIDI I/O interface. Do not install unless you will be using a
MIDI I/O.
Quick Start dialog
For more information on the Quick
Start dialog and session templates, see the
Pro Tools Reference Guide (Help > Pro
Tools Reference Guide).
Chapter 2: Installing Pro Tools on Mac 7
Additional Software on the
Pro Tools Installer Disc
The Pro Tools LE Installer disc provides additional software for your system, including audio
drivers (for playing other audio applications
through your Pro Tools hardware) and a
Pro Tools demo session.
Avid CoreAudio Driver
The Avid CoreAudio Driver is a multi-client,
multichannel sound driver that lets Core Audio–compatible applications record and play
back through Pro Tools hardware.
The Avid CoreAudio Driver is installed by default when you install Pro Tools.
Check your Pro Tools Installer disc for additional software and installers.
Third-Party Applications and
Plug-Ins
Your Pro Tools package also includes free applications and plug-ins from Avid and selected
Avid Third Party developers (content subject to
change). Once you've completed your Pro Tools
installation, you can install these separately.
Installers are located on your Pro Tools LE Installer disc in the Additional Files\3rd Party
Content folder.
For information on configuring the
Avid CoreAudioDriver, see the CoreAudio
Drivers Guide.
Standalone CoreAudio Driver
The Avid CoreAudio Driver can be installed as a
standalone driver on Mac systems that do not
have Pro Tools software installed.
For information on installing and configuring
the standalone version of the Avid CoreAudio
Driver, see the CoreAudio Drivers Guide.
If you uninstall Pro Tools, the
Avid CoreAudio Driver is automatically
uninstalled at that time.
Mbox User Guide8
Pro Tools Demo Session
The Pro Tools LE Installer disc includes a demo
session that you can use to verify that your system is working.
Uninstalling Pro Tools
If you need to uninstall Pro Tools software from
your computer, use the Uninstaller application.
The demo session for Pro Tool LE is named “Filtered Dream.”
Before installing the demo session to your
audio drive, make sure the drive is configured as described in “Formatting an Audio
Drive” on page 68.
To install the demo session:
1 Insert the Pro Tools LE Installer disc into your
DVD drive.
2 On the Pro Tools LE Installer disc, locate and
open the Additional Files/Pro Tools Demo Sessions Installer folder.
3 Double-click Install demo session.pkg.
4 Follow the on-screen instructions.
5 When prompted, select your audio drive as
the install location and click Next to begin the
installation. When installation is complete,
click Close.
The demo session can be opened by doubleclicking the Filtered Dream.ptf file (located
in the Filtered Dream Demo Session folder).
To remove Pro Tools from your computer:
1 Make sure you are logged in as an Administra-
tor for the account where Pro Tools is installed.
For details on Administrator privileges in
Mac OS X, see your Apple OS X documentation.
2 Go to Applications/Digidesign/Pro Tools/
Pro Tools Utilities and double-click
Uninstall Pro Tools
3 Click Continue to proceed with the uninstall.
4 Choose the type of uninstall you want to per-
form:
Safe Uninstall Leaves certain plug-ins and system files needed for compatibility with some
Avid products. Use Safe Uninstall if you are using an Avid application or preparing to update
to a CS (customer support) release.
Clean Uninstall Removes all Pro Tools files, including system files, Avid plug-ins, and MIDI
patch names. Use Clean Uninstall whenever you
are preparing to upgrade, or to troubleshoot
from a clean system.
5 Click Uninstall.
6 Enter your Administrator password and click
OK.
7 Click Finish to close the Installer window.
Chapter 2: Installing Pro Tools on Mac 9
Mbox User Guide10
chapter 3
Installing Pro Tools on Windows
This chapter contains information for Windows
systems only. If you are installing Pro Tools on a
Mac computer, see Chapter 2, “Installing
Pro Tools on Mac.”
Before installing this version of Pro Tools,
refer to the Read Me information included
on the Pro Tools LE Installer disc.
Installing Pro Tools LE and
Connecting Your Interface
Before connecting your Pro Tools LE interface to
the computer, you need to install Pro Tools LE
software.
Do not start this procedure with your Mbox
connected to your computer.
Installation Overview
Installing the Mbox on a Windows computer includes the following steps:
1 “Installing Pro Tools LE and Connecting Your
Interface” on page 11.
2 “Launching Pro Tools LE” on page 14
3 Configuring your system for improved perfor-
mance (see Chapter 4, “Configuring Your
Pro Tools System”).
4 Making audio and MIDI connections to the
Mbox (see Chapter 6, “Making Hardware Connections” for details).
The Pro Tools Installer disc includes additional software for your system. For more information, see “Additional Software on the
Pro Tools Installer Disc” on page 14.
To install Pro Tools LE:
1 Start Windows, logging in with Administrator
privileges. For details on Administrator privileges, refer to your Windows documentation.
When the installation is complete, you will
need to restart your computer.
2 Insert the Pro Tools LE Installer disc in your
DVD drive and do on of the following:
• If Windows AutoRun is enabled, a
mini-browser appears. Select Install Pro Tools LE to begin your installation.
– or –
• If Windows AutoRun is disabled, locate and
double-click Setup.exe. on the Installer
disc.
Setup.exe icon
Chapter 3: Installing Pro Tools on Windows 11
In Windows 7 and Windows Vista, if the
User Account Control dialog appears, click
Allow.
3 Follow the on-screen instructions to proceed
with installation and click Next when prompted.
4 To install the complete compliment of
Pro Tools software and plug-ins, leave Pro Tools
selected.
5 At the Select Features page, do one of the fol-
lowing:
• To install all Pro Tools application files and
free plug-in suites (and associated content),
leave the default Installation options selected and click Continue.
– or –
• Select (or deselect) a custom configuration
of Installation options (see “Installation
Options” on page 13) and click Continue.
6 Click Next.
7 Click Install.
8 When prompted, connect the small end of the
included USB cable to the USB port on
Mbox.Connect the other end of the USB cable to
any available USB port on your computer.
In Windows XP, a series of Software Installation dialogs about the driver not passing
Windows Logo testing may appear. Click
Continue Anyway on each one until they go
away.
If any other dialogs appear (such as the
“Found New Hardware” dialog), leave
them open and do not click on them. These
dialogs will close on their own.
10 Wait for the installer to finish installing all
software components, drivers, and PACE System
files before proceeding to the next step.
11 When installation is complete, click Finish
and restart your computer.
If the USB LED on the front panel of the
Mbox does not illuminate after restarting
the computer, try unplugging the USB cable
from the Mbox USB port, and plugging it
back in. If the USB LED still does not illuminate, shut down the computer, disconnect Mbox and start the computer. Once the
computer has fully restarted, reconnect
Mbox.
Mbox may not function properly if connected to a USB hub. If you need to use a hub
for other USB peripherals, connect the hub to
a separate USB port; Mbox must be connected to a dedicated port on the computer in
order to function properly
9 Click OK.
In Windows 7a nd Windows Vista, a series
of Windows Security dialogs may appear.
Click “Install” on each one until they go
away.
Mbox User Guide12
Installation Options
Additional Options
Pro Tools LE Options
To install a subset of Pro Tools software and
plug-ins (and associated content), click the reveal triangle for the Pro Tools LE 8.0.4 option in
the installer, and deselect any of the following
options that you do not want installed. (If an
item is checked, it will be installed.)
Application Files (Required for Pro Tools) Installs
the Pro Tools application and supporting library
files needed to run Pro Tools. This option must
be selected to install Pro Tools.
DigiRack Plug-Ins Installs free plug-ins including
DigiRack plug-ins, free Bomb Factory plug-ins,
Eleven Free, TL Utilities, and Digidesign D-Fi
and Maxim plug-ins. For more information, see
the Audio Plug-Ins Guide.
Pro Tools Creative Collection Options
Select any of the Pro Tools Creative Collection
options you want installed. For more information, see the Audio Plug-Ins Guide.
The Pro Tools installer provides the following
additional options to install along with
Pro Tools software and plug-ins.
Mac HFS+ Disk Support Option This option lets
your Pro Tools system read, write, record, and
play back using Mac-formatted HFS+ disks. HFS+
disks are commonly referred to as Mac OS Extended disks.
For information on using the Mac HFS+
Disk Support option, see the HFS+ Disk
Support Option Guide.
Avid Video Engine This option lets you integrate
®
Avid
video peripherals (such as the Avid Mojo®
with your Pro Tools system). Do not install unless you will be using one of these products.
Command|8 Controller and Driver This option installs the personality file and device driver for
the Avid Command|8 Control Surface. Do not
install unless you will be using Command|8.
Installing QuickTime
Effect Plug-Ins Installs 6 free virtual instrument
plug-ins from Avid’s AIR group.
Virtual Instruments Installs 20 free effects plugins from Avid’s AIR group.
Virtual Instrument Content Installs sample content for AIR virtual instruments.
Virtual Instrument Content is very large
and may take up to 20 minutes to install.
During this time, the progress bar may not
appear to move but your software is still installing. Do not terminate your installation.
QuickTime is required for Pro Tools if you plan
to include movie files, or import MP3 or MP4
(AAC) files in your sessions. QuickTime for Windows is available as a free download from the
Apple website (www.apple.com).
For information on which version of
QuickTime is compatible with your version of
Pro Tools, visit www.avid.com/compatibility).
Chapter 3: Installing Pro Tools on Windows 13
To install QuickTime:
1 Visit www.apple.com and go to the Quick-
Time page.
2 Download the QuickTime installer applica-
tion to your computer.
3 Double-click the QuickTime installer applica-
tion and follow the on-screen installation instructions.
4 Restart your computer.
Quick Start dialog
Launching Pro Tools LE
When launching Pro Tools LE the first time, you
are prompted to enter an authorization code to
validate your software. (The code begins with
the letters DIGI.).
To authorize Pro Tools LE software:
1 Make sure Mbox is connected to your com-
puter.
2 Double-click the Pro Tools LE shortcut on
your desktop (or the application icon in the
Pro Tools folder inside the Digidesign folder).
3 Enter the authorization code in the dialog
(making sure to type it exactly as printed, and
observing any spaces and capitalization), then
click Validate. (Your authorization code is located on the back of your Pro Tools DVD wallet.
4 Use the Quick Start dialog to do one of
the following:
• Create a new session from template.
• Create a new blank session.
• Open any other session on your system.
For more information on the Quick
Start dialog and session templates, see the
Pro Tools Reference Guide (Help >
Pro Tools Reference Guide).
Additional Software on the
Pro Tools Installer Disc
The Pro Tools LE Installer disc provides additional software for your system, including audio
drivers (for playing other audio applications
through your Pro Tools hardware) and a
Pro Tools demo session.
Check your Pro Tools Installer disc for
additional software and installers.
Third-Party Applications and
Plug-Ins
Your Pro Tools package also includes free applications and plug-ins from Avid and selected
Avid Third Party developers (content subject to
change). Once you've completed your Pro Tools
installation, you can install these separately.
Installers are located on your Pro Tools LE Installer disc in the Additional Files\3rd Party
Content folder.
Mbox User Guide14
Avid Audio Drivers
The Avid Audio Drivers are multi-client, multichannel sound drivers that allow Pro Tools and
third-party audio programs that support the
ASIO Driver or WaveDriver MME/DirectX
(Multimedia Extension) standards to record and
play back through qualified Pro Tools audio interfaces.
For information on configuring settings for
your audio interface for use with Pro Tools
or other audio applications, see Appendix A,
“Using the Driver Control Panel.”
For additional information on the Avid
Audio Drivers, see the Windows Audio
Drivers Guide.
3 Double-click LE Demo Session Setup.exe.
4 Follow the on-screen instructions.
5 When prompted, select your audio drive as
the install location and click Next to begin the
install.
6 When installation is complete, click Finish.
The demo session can be opened by doubleclicking the Filtered Dream.ptf file (located
in the Filtered Dream Demo Session folder).
Uninstalling Pro Tools
Use the Uninstall Pro Tools application to uninstall Pro Tools software from your computer.
Pro Tools Demo Session
The Pro Tools LE Installer disc includes a demo
session that you can use to verify that your system is working.
The demo session for Pro Tool LE is named
“Filtered Dream.”
Before installing the demo session to your
audio drive, make sure the drive is configured as described in “Formatting an Audio
Drive” on page 68.
To install the demo session:
1 Insert the Pro Tools LE Installer disc into your
DVD drive.
2 On the Pro Tools LE Installer disc, locate and
open the Additional Files\Pro Tools Demo Sessions Installer folder.
To uninstall Pro Tools from your computer:
1 Start Windows, logging in with Administrator
privileges. For details on Administrator privileges, refer to your Windows documentation.
2 Go to C:\Program Files\Digidesign\
Pro Tools\Pro Tools Utilities and double-click
Uninstall Pro Tools.exe.
3 Click Next.
4 Click Uninstall to proceed with the uninstalla-
tion.
Chapter 3: Installing Pro Tools on Windows 15
Mbox User Guide16
chapter 4
Configuring Your Pro Tools System
After you have connected your system and installed Pro Tools software, you are ready to start
up and configure your Pro Tools system.
Starting Up or Shutting Down
Your System
To ensure that the components of your
Pro Tools system communicate properly with
each other, you need to start them in a particular order.
Start up your Pro Tools system in this order:
1 Make sure all your equipment (including your
computer) is off.
2 Lower the volume of all output devices in your
system (especially the main outputs to your
speakers!).
3 Turn on any external hard drives. Wait ap-
proximately ten seconds for them to spin up to
speed.
4 Turn on any control surfaces (such as Com-
mand|8).
5 Turn on any MIDI interfaces, MIDI devices, or
synchronization peripherals.
6 With the volume of all output devices low-
ered, turn on your Pro Tools audio interfaces.
Wait at least fifteen seconds for the audio interface to initialize and the status LEDs to stopflashing.
7 Turn on your computer.
8 Launch Pro Tools or any third-party audio or
MIDI applications.
9 Bring the output levels up to a comfortable lis-
tening level.
Shut down your Pro Tools system in this order:
1 Quit Pro Tools and any other running applica-
tions.
To quit Pro Tools, choose Pro Tools > Quit
(Mac) or File > Exit (Windows).
2 Turn off or lower the volume of all output de-
vices in your system.
3 Turn off your computer.
4 Turn off any MIDI interfaces, MIDI devices, or
synchronization peripherals.
5 Turn off any control surfaces.
6 Turn off any external hard drives.
Chapter 4: Configuring Your Pro Tools System 17
Configuring Pro Tools LE
To change the Hardware Buffer Size:
1 Launch Pro Tools
Pro Tools System Settings
In the Playback Engine dialog, Pro Tools LE lets
you adjust the performance of your system by
changing system settings that affect its capacity
for processing, playback, and recording.
In most cases, the default settings for your system provide optimum performance, but you
may want to adjust them to accommodate large
or processing-intensive Pro Tools sessions.
Hardware Buffer Size
The Hardware Buffer Size (H/W Buffer Size) controls the size of the buffer used to handle host
processing tasks such as Real-Time AudioSuite™
®
(RTAS
) plug-ins.
• Lower Hardware Buffer Size settings are useful
for improving latency issues in certain recording situations or for improving certain system
performance problems. On Pro Tools LE systems, lower settings reduce all input-to-output monitoring latency on any record-armed
tracks or Auxiliary Input tracks with live inputs.
• Higher Hardware Buffer Size settings are useful for sessions that are using more RTAS plugins for playback. These settings allow for more
audio processing. They can also be useful to
reduce errors on some machines that require a
higher buffer size.
2 Choose Setup > Playback Engine.
3 From the H/W Buffer Size pop-up menu, select
the audio buffer size, in samples.
Playback Engine dialog for Pro Tools LE, with Structure
Free plug-in installed. (Mbox 2 shown)
4 Click OK.
In addition to causing slower screen response and monitoring latency, higher
Hardware Buffer Size settings can increase
the latency caused by RTAS plug-ins, and
affect the accuracy of plug-in automation,
mute data, and MIDI track timing.
Mbox User Guide18
Host Processors
The Host Processors setting lets you manage
multi-processor support for RTAS (Real-Time
AudioSuite) plug-in processing.
Used in combination with the CPU Usage Limit
setting, the Host Processors setting lets you control the way RTAS and other host-based processing tasks are carried out by the system.
For example:
• For sessions with large numbers of RTAS plugins, you can allocate 2 or more processors to
RTAS processing and set a high CPU Usage Limit.
• For sessions with few RTAS plug-ins, you can
allocate fewer Host Processors to RTAS and set a
low CPU Usage Limit settings to leave more host
processing resources available for automation
accuracy, screen response, and video.
• Depending on the importance of video and
overall screen response, and on the density of
automation being employed, try different
combinations of Host Processors and CPU Us-age Limit settings to achieve the best results.
For example, to improve screen response in a
medium-sized session using a moderate number of RTAS plug-ins, try reducing the number
of RTAS plug-ins, but keep the CPU Usage Limit
set to the maximum (up to 99% on a single
processor system).
To set the number of RTAS Processors:
1 Choose Setup > Playback Engine.
2 From the Host Processing pop-up menu, select
the number of available processors you want to
allocate. The number of processors available varies depending on your computer:
• Select 1Processor to limit processing to
one CPU in the system.
• Choose 2 Processors to enable load balancing across two available processors.
• On systems running four or more processors, choose the number of processors for
processing.
3 Click OK.
System Usage Window and Processing
The System Usage window (Windows > System
Usage) displays the combined amount of pro-
cessing occurring on all enabled processors with
a single indicator, regardless of how many processors are available in the system. If the System
Usage Window shows that you are at the limit of
available resources, increase the number of processors and adjust the CPU Usage Limit setting.
Chapter 4: Configuring Your Pro Tools System 19
CPU Usage Limit
Host Engine (Error Suppression)
The CPU Usage Limit setting controls the percentage of CPU resources allocated to Pro Tools
host processing tasks. Used in combination with
the Host Processors setting, the CPU Usage Limit
setting lets you control the way Pro Tools tasks
are carried out by the system.
•Lower CPU Usage Limit settings limit the effect
of Pro Tools processing on other CPU-intensive tasks, such as screen redraws, and are useful when you are experiencing slow system
response, or when running other applications
at the same time as Pro Tools.
•Higher CPU Usage Limit settings allocate more
processing power to Pro Tools, and are useful
for playing back large sessions or using more
RTAS plug-ins.
The maximum available CPU Usage Limit depends on the number of processors in your computer and on the number of processors you specify for RTAS processing. This value can range
from 85% for single-processor computers, and
99% for multiprocessor computers (which dedicate one entire processor to Pro Tools).
The Host Engine option determines RTAS error
reporting during playback and recording. This is
especially useful when working with instrument
plug-ins.
You should only enable error suppression if you
are experiencing frequent RTAS errors that are
interrupting your creative workflow. When error suppression is enabled, you can experience a
degradation of audio quality. However, this may
be acceptable in order to avoid interrupting
playback and recording when working with instrument plug-ins. Be sure to disable error suppression when you need to ensure the highest
possible audio quality, such as for a final mix.
To enable error suppression:
1 Choose Setup > Playback Engine.
2 Select Host Engine: Ignore Errors During Play-
back/Record.
3 On Mac, you can also select Minimize Additional
I/O Latency.
4 Click OK.
On multiprocessor computers, the maximum
CPU Usage Limit is reduced when you use all your
processors (as selected in the Processing pop-up
menu). For example, on dual-processors, the
limit is 90%. On four-processor computers, the
limit is 95%.
Increasing the CPU Usage Limit may slow
down screen responses on slower computers.
To change the CPU Usage Limit:
1 Choose Setup > Playback Engine.
2 From the CPU Usage Limit pop-up menu, select
the percentage of CPU processing you want to
allocate to Pro Tools.
3 Click OK.
Mbox User Guide20
Error Suppression Options
Ignore Errors During Playback/Record When the
Ignore Errors During Playback/Record option is enabled, Pro Tools continues to play and record
even if the host processing requirements exceed
the selected CPU Usage Limit. This can result in
pops and clicks in the audio, but does not stop
the transport.
Minimize Additional I/O Latency (Mac Only)
When enabled, any additional latency due to
suppressing errors during playback and record is
minimized to 128 samples. Suppressing RTAS errors requires at least 128 samples of additional
buffering on some systems. If this option is disabled, the buffer is half the H/W Buffer Size, or at
least 128 samples (whichever is greater). If you
are on an older, slower computer, you may want
to disable this option to avoid adverse performance.
This option is only available on Mac if the Ignore Errors During Playback/Record option is enabled.
DAE Playback Buffer Size
The DAE Playback Buffer Size setting determines
the amount of memory DAE allocates for disk
buffers. In addition to levels, the DAE Playback Buffer Size shows values in milliseconds, which
indicate the amount of audio buffered when the
system reads from disk.
The optimum DAE Playback Buffer Size for most
disk operations is 1500 msec; Level 2 (Default).
• DAE Playback Buffer Size settings lower than
1500 msec; Level 2 (Default) may improve
playback and recording initiation speed, as
well as preview in context in DigiBase browsers. However, a lower setting may make it difficult to play or record tracks reliably with
sessions containing a large number of tracks
or a high density of edits, or with systems that
have slower or heavily-fragmented hard
drives.
• DAE Playback Buffer Size settings higher than
1500 msec; Level 2 (Default) allow higher track
count, higher density of edits in a session, or
the use of slower hard drives. However, a
higher setting may increase the time lag when
starting playback or recording, starting preview in context from DigiBase browsers, or
cause a longer audible time lag while editing
during playback.
Using a larger DAE Playback Buffer Size
leaves less system memory for other tasks.
The default setting of 1500 msec (Level 2) is
recommended unless you are encountering
–9073 (“Disk too slow or fragmented”)
errors.
To change the DAE Playback Buffer Size:
1 Choose Setup > Playback Engine.
2 From the DAE Playback Buffer pop-up menu, se-
lect a buffer size. Memory requirements for each
setting are shown at the bottom of the Playback
Engine dialog.
3 Click OK.
If Pro Tools needs more system memory for the
DAE Playback Buffer, it will prompt you to restart your computer.
Chapter 4: Configuring Your Pro Tools System 21
Cache Size
The Cache Size setting determines the amount
of memory DAE allocates to pre-buffer audio for
playback and looping when using Elastic Audio.
Minimum Reduces the amount of system memory used for disk operations and frees up memory for other system tasks. However, performance when using Elastic Audio features may
decrease.
Normal Is the optimum Cache Size for most sessions.
Plug-In Streaming Buffer Size
(Structure Plug-In Only)
This setting appears in the Playback Engine dialog only if Structure, Structure LE, or
Structure Free is installed on your system. The
Plug-In Streaming Buffer Size determines the
amount of memory DAE allocates for streaming
playback from disk with the Structure plug-in.
This setting only affects playback if disk streaming is activated in Structure’s plug-in controls
(see the AIR Virtual Instruments Guide for more
information).
Large Improves performance when using Elastic
Audio features, but it also decreases the amount
of memory available for other system tasks, such
as RTAS processing.
Using a larger Cache Size leaves less system
memory for other tasks. The default setting
of Normal is recommended unless you are
encountering -9500 (“Cache too small”)
errors.
To change the Cache Size:
1 Choose Setup > Playback Engine.
2 From the Cache Size pop-up menu, select a
disk cache size.
3 Click OK.
The optimum Plug-In Streaming Buffer Size for
most sessions is 250 ms (Level 2).
• Plug-In Streaming Buffer Size settings lower
than 250 ms (Level 2) reduce the amount of
system memory used for sample playback and
frees up memory for other system tasks. However, audio quality of sample playback may
decrease.
• Plug-In Streaming Buffer Size settings higher
than 250 ms (Level 2) improve the audio quality of sample playback, but they also decrease
the amount of memory available for other system tasks, such as RTAS processing.
Using a larger Plug-In Streaming Buffer Size
leaves less system memory for other tasks.
The default setting of 250 ms (Level 2) is
recommended unless you are experiencing
problems with the audio quality of sample
playback.
To change the Plug-In Streaming Buffer Size:
1 Choose Setup > Playback Engine.
2 From the Plug-In Streaming Buffer Size pop-up
menu, select a buffer size.
3 Click OK.
Mbox User Guide22
Optimizing the Plug-In Streaming Buffer
Size
(Structure Plug-In Only)
This option appears in the Playback Engine dialog only if one of the Structure sampler instrument plug-in is installed on your system. This
option is useful when you are playing samples
from the same drive that contains audio for the
current session. When this option is selected,
Pro Tools automatically optimizes the size of the
Plug-In Streaming Buffer to facilitate disk access
from both Pro Tools and Structure. The Plug-In Streaming Buffer Size pop-up menu is unavailable when this option is selected.
To set Pro Tools to optimize the Plug-In Streaming
Buffer Size:
1 Choose Setup > Playback Engine.
2 Select the Optimize for Streaming Content op-
tion.
3 Click OK.
Default Sample Rate
The Sample Rate setting appears as the default
sample rate when you create a new session. (This
setting is available in the Hardware Setup dialog
only when no session is open.)
You can change the sample rate when creating a new Pro Tools session by selecting a
different sample rate in the New Session
dialog. (Refer to
Guide for details.)
To change the default Sample Rate:
1 Choose Setup > Hardware.
the Pro Tools Reference
Configuring the Pro Tools
Hardware Settings
In the Hardware Setup dialog, Pro Tools lets you
set the default sample rate and clock source for
your system, as well as a range of controls specific to each type of audio interface.
Hardware Setup dialog
2 Select the sample rate from the Sample Rate
pop-up menu.
3 Click OK.
Chapter 4: Configuring Your Pro Tools System 23
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