The above warning is located on the top of the unit.
within an equilateral triangle is intended to alert
the user to the presence of uninsulated
“dangerous voltage” within the product’s
enclosure that may be of sufficient magnitude to
constitute a risk of electric shock to persons.
The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and
maintenance (servicing) instructions in the
literature accompanying the product.
IMPORTANT SAFETY INSTRUCTIONS
1Read these instructions.
2Keep these instructions.
3Heed all warnings.
4Follow all instructions.
5Do not use this apparatus near water.
6Clean only with dry cloth.
7Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
9Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wide
blade or the third prong are provided for your safety. If
the provided plug does not fit into your outlet, consult
an electrician for replacement of the obsolete outlet.
10 Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
11 Only use attachments/accessories specified by the
manufacturer.
12 Use only with the cart, stand,
tripod, bracket, or table specified
by the manufacturer, or sold with
the apparatus. When a cart is
used, use caution when moving
the cart/apparatus combination
to avoid injury from tip-over.
13 Unplug this apparatus during
lightning storms or when unused for long periods of
time.
14 Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug
is damaged, liquid has been spilled or objects have
fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally,
or has been dropped.
(98-6500)
This product contains a battery that contains perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate.
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA.(Perchlorate)
FCC INFORMATION (U.S.A.)
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not
expressly approved by Yamaha may void your authority, granted by
the FCC, to use the product.
2. IMPORTANT:
or another product use only high quality shielded cables. Cable/s
supplied with this product MUST be used. Follow all installation
instructions. Failure to follow instructions could void your FCC
authorization to use this product in the USA.
3. NOTE:
requirements listed in FCC Regulations, Part 15 for Class “B” digital
devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential
environment will not result in harmful interference with other electronic devices. This equipment generates/uses radio frequencies
and, if not installed and used according to the instructions found in
the users manual, may cause interference harmful to the operation
of other electronic devices. Compliance with FCC regulations does
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA.(class B)
When connecting this product to accessories and/
This product has been tested and found to comply with the
not guarantee that interference will not occur in all installations. If
this product is found to be the source of interference, which can be
determined by turning the unit “OFF” and “ON”, please try to eliminate the problem by using one of the following measures:
Relocate either this product or the device that is being affected by
the interference.
Utilize power outlets that are on different branch (circuit breaker or
fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient the
antenna. If the antenna lead-in is 300 ohm ribbon lead, change the
lead-in to co-axial type cable.
If these corrective measures do not produce satisfactory results,
please contact the local retailer authorized to distribute this type of
product. If you can not locate the appropriate retailer, please contact Yamaha Corporation of America, Electronic Service Division,
6600 Orangethorpe Ave, Buena Park, CA90620
The above statements apply ONLY to those products distributed by
Yamaha Corporation of America or its subsidiaries.
COMPLIANCE INFORMATION STATEMENT
(DECLARATION OF CONFORMITY PROCEDURE)
Responsible Party : Yamaha Corporation of America
Address : 6600 Orangethorpe Ave., Buena Park, Calif.
Telephone : 714-522-9011
Type of Equipment : DIGITAL MIXING ENGINE SATELLITE
Model Name : DME8i-C/DME8o-C/DME4io-C
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1) this device may not cause harmful interference, and
2) this device must accept any interference received including interference that may cause undesired operation.
See user manual instructions if interference to radio reception is suspected.
* This applies only to products distributed by
YAMAHA CORPORATION OF AMERICA.
NEDERLAND / THE NETHERLANDS
• Dit apparaat bevat een lithium batterij voor geheugen back-up.
• This apparatus contains a lithium battery for memory back-up.
• Raadpleeg uw leverancier over de verwijdering van de batterij op
het moment dat u het apparaat ann het einde van de levensduur
afdankt of de volgende Yamaha Service Afdeiing:
•For the removal of the battery at the moment of the disposal at the
end of the service life please consult your retailer or Yamaha Service Center as follows:
• Gooi de batterij niet weg, maar lever hem in als KCA.
• Do not throw away the battery. Instead, hand it in as small chemical waste.
90620
Yamaha Music Nederland Service Afdeiing
Kanaalweg 18-G, 3526 KL UTRECHT
Tel. 030-2828425
Yamaha Music Nederland Service Center
Address : Kanaalweg 18-G, 3526 KL UTRECHT
Te l: 030-2828425
(lithium disposal)
ADVARSEL!
Lithiumbatteri—Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det
brugte batteri tilbage til leverandoren.
VARNING
Explosionsfara vid felaktigt batteribyte. Använd samma batterityp
eller en ekvivalent typ som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt fabrikantens instruktion.
VAROITUS
Paristo voi räjähtää, jos se on virheellisesti asennettu. Vaihda
paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä
käytetty paristo valmistajan ohjeiden mukaisesti.
(lithium caution)
(FCC DoC)
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING: THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in accordance with the following code:
GREEN-AND-YELLOW : EARTH
BLUE: NEUTRAL
BROWN: LIVE
As the colours of the wires in the mains lead of this apparatus may
not correspond with the coloured markings identifying the terminals
in your plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or
by the safety earth symbol or colored GREEN or GREEN-andYELLOW.
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.
• This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd.(3 wires)
PRECAUTIONS
PLEASE READ CAREFULLY BEFORE PROCEEDING
* Please keep this manual in a safe place for future reference.
WARNING
Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical
shock, short-circuiting, damages, fire or other hazards. These precautions include, but are not limited to, the following:
Power supply/Power cord
• Only use the voltage specified as correct for the device. The required voltage is
printed on the name plate of the device.
• Use only the included power cord. If you intend to use the device in an area
other than in the one you purchased, the included power cord may not be
compatible. Please check with your Yamaha dealer.
• Do not place the power cord near heat sources such as heaters or radiators, and
do not excessively bend or otherwise damage the cord, place heavy objects on
it, or place it in a position where anyone could walk on, trip over, or roll anything
over it.
• Be sure to connect to an appropriate outlet with a protective grounding
connection. Improper grounding can result in electrical shock.
Do not open
• Do not open the device or attempt to disassemble the internal parts or modify
them in any way. The device contains no user-serviceable parts. If it should
appear to be malfunctioning, discontinue use immediately and have it inspected
by qualified Yamaha service personnel.
Water warning
• Do not expose the device to rain, use it near water or in damp or wet conditions,
or place containers on it containing liquids which might spill into any openings.
• Never insert or remove an electric plug with wet hands.
If you notice any abnormality
• If the power cord or plug becomes frayed or damaged, or if there is a sudden
loss of sound during use of the device, or if any unusual smells or smoke
should appear to be caused by it, immediately turn off the power switch,
disconnect the electric plug from the outlet, and have the device inspected by
qualified Yamaha service personnel.
• If this device should be dropped or damaged, immediately turn off the power
switch, disconnect the electric plug from the outlet, and have the device
inspected by qualified Yamaha service personnel.
CAUTION
Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage
to the device or other property. These precautions include, but are not limited to, the following:
Power supply/Power cord
• Remove the electric plug from the outlet when the device is not to be used for
extended periods of time, or during electrical storms.
• When removing the electric plug from the device or an outlet, always hold the
plug itself and not the cord. Pulling by the cord can damage it.
Location
• Before moving the device, remove all connected cables.
• When setting up the product, make sure that the AC outlet you are using is
easily accessible. If some trouble or malfunction occurs, immediately turn off
the power switch and disconnect the plug from the outlet. Even when the power
switch is turned off, electricity is still flowing to the product at the minimum
level. When you are not using the product for a long time, make sure to unplug
the power cord from the wall AC outlet.
• If this device is to be mounted in an EIA-standard rack, leave the back of the rack
open and make sure that it is at least 10 cm away from walls or surfaces. Also, if
this device is to be mounted with devices that tend to generate heat, such as
power amplifiers, be sure to keep an adequate gap between this device and the
heat-generating devices or install ventilation panels to prevent high
temperatures from developing inside this device.
Inadequate ventilation can result in overheating, possibly causing damage to the
device(s), or even fire.
• If several of the devices are mounted in an EIA-compliant rack, carefully read the
section “Precautions for Using a Rack-mounted DME Satellite” on page 8.
•Avoid setting all equalizer controls and faders to their maximum. Depending on
the condition of the connected devices, doing so may cause feedback and may
damage the speakers.
• Do not expose the device to excessive dust or vibrations, or extreme cold or heat
(such as in direct sunlight, near a heater, or in a car during the day) to prevent
the possibility of panel disfiguration or damage to the internal components.
• Do not place the device in an unstable position where it might accidentally fall
over.
• Do not block the vents. This device has ventilation holes at the rear to prevent
the internal temperature from becoming too high. In particular, do not place the
device on its side or upside down. Inadequate ventilation can result in
overheating, possibly causing damage to the device(s), or even fire.
• Do not use the device in the vicinity of a TV, radio, stereo equipment, mobile
phone, or other electric devices. Doing so may result in noise, both in the device
itself and in the TV or radio next to it.
(5)-4
1/2
4
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
Connections
• Before connecting the device to other devices, turn off the power for all devices.
Before turning the power on or off for all devices, set all volume levels to
minimum.
Handling caution
• Do not insert your fingers or hands in any gaps or openings on the device.
•Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into any
gaps or openings on the device. If this happens, turn off the power immediately
and unplug the power cord from the AC outlet. Then have the device inspected
by qualified Yamaha service personnel.
• Do not use the device for a long period of time at a high or uncomfortable
volume level, since this can cause permanent hearing loss. If you experience
any hearing loss or ringing in the ears, consult a physician.
• Do not rest your weight on the device or place heavy objects on it, and avoid use
excessive force on the buttons, switches or connectors.
Do not turn the [POWER] switch on and off repeatedly and rapidly. Be sure to wait six seconds or more between turning the power to the unit off and then on.
The rubber feet included in this package can be attached to the bottom of this device to prevent slippage when it is to be used on a slippery surface.
Backup battery
• This device has a built-in backup battery. When you unplug the power cord from
the AC outlet, the current scene data is retained. However, the life of the backup
battery is about five years. If the battery wears out, the current scene data will be
lost. When the backup battery charge becomes low, the [ERROR] indicator on
the front panel blinks. In this case, save the data to a computer immediately,
then ask a Yamaha dealer to replace the backup battery.
Yamaha cannot be held responsible for damage caused by improper use or modifications to the device, or data that is lost or destroyed.
Always turn the power off when the device is not in use.
The performance of components with moving contacts, such as switches, volume controls, and connectors, deteriorates over time. Consult qualified Yamaha service
personnel about replacing defective components.
• The illustrations in this owner’s manual are for instructional purposes, and may appear somewhat different from the actual equipment.
• CobraNet is a trademark of Cirrus Logic, Inc.
• Ethernet is a trademark of Xerox Corporation.
• All other trademarks are the property of their respective holders and are hereby acknowledged.
Index ............................................................................. 49
6
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
7
Foreword
Thank you for choosing a Yamaha DME8i-C/DME8o-C/DME4io-C Digital Mixing Engine Satellite.
In order to take full advantage of the features and performance provided by the DME8i-C/DME8o-C/DME4io-C, we urge you
to read this owner’s manual thoroughly before connecting or using the unit. Keep this manual in a safe place for future reference.
Foreword
Accessories (Please make
sure the following items are
included in the package.)
For more information on your Control Panel, refer to the owner’s
manual that came with the Control Panel, as well as the DME
Designer Owner’s Manual.
Preparation
Connecting the AC power cord
Be sure to turn all devices OFF before connecting AC
mains power.
CAUTION
First plug the female-connector end of the AC cord into the
[AC IN] socket on the rear panel of the DME Satellite, then
plug the male plug into an appropriate AC mains outlet.
Be sure to use the voltage specified for the device.
Turning the power on and off
To prevent the initial power-on surge from generating a
large noise spike or damaging your speaker system, turn
the devices on in the following order: audio sources, mixer
(such as M7CL or PM5D), DME Satellite, and finally
CAUTION
power amplifiers.
Reverse this order when turning power off.
1.
Press the [POWER] switch to turn on the
power to the DME Satellite.
Introduction to
the DME Satellite
Connectors
Controls and
a Computer
Connecting to
Audio I/O
Connection
About the Product Names
In this manual, models DME8i-C, DME8o-C, and
DME4io-C are all called “DME Satellite,” and models
DME64N and DME24N, DME8i-ES/DME8o-ES/
DME4io-ES and the DME Satellite are categorized as the
DME series.
About the Firmware Version
You can check the version number of the DME Satellite
firmware by using the DME Designer application software.
You can also download the latest firmware from the following Yamaha website.
http://www.yamahaproaudio.com/
2.
Press the [POWER] switch again to turn off
the power.
NOTE
The DME Satellite remembers scene settings when you turn off
the power.
When you turn on the power to the DME Satellite, it will start up
with the same scene settings.
You can use the “Last Mem. Resume” setting in DME Designer
to set up the DME Satellite so that at the startup it will recall the
scene selected before you turned off the power to the device.
•Do NOT turn off the power to the DME Satellite while
it is receiving data from DME Designer or while it is
being manipulated from an external device. Otherwise,
a malfunction may occur.
•Even when the power switch is turned off, electricity is
CAUTION
still flowing to the product all the minimum level.
When you are not using the product for a long time,
make sure to unplug the power cord from the wall AC
outlet.
External Device
Connecting to an
Other Functions
References
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
Foreword
Foreword
Precautions for Using a
Rack-mounted DME Satellite
Introduction to
the DME Satellite
If several DME Satellite units (or a DME Satellite unit together with other devices) are installed in a poorly-ventilated
rack, the heat generated by each unit may raise the temperature inside the rack, preventing the DME Satellite from performing as designed. When mounting DME Satellite units
in a rack, please leave one rack space vacant for every two
units. You can attach a ventilation panel to this space or leave
it open to prevent excessive heat build-up.
Controls and
Connectors
If the temperature inside the rack is expected to rise above 40
degrees Celsius or 104 degrees Fahrenheit (or if the ambient
temperature outside the rack is expected to rise above 30 degrees Celsius or 86 Fahrenheit), install a fan kit in the top
row of the rack. The fan must provide airflow of 1.6m
or more and static pressure of 5mmH
Connecting to
a Computer
Ventilation panel
Audio I/O
Connection
Fan kit
DME Satellite
DME Satellite
DME Satellite
DME Satellite
3
/min
O or more.
2
INPUT
PEAK
PEAK
PEAK
DIGITAL MIXING ENGINE SATELLITE
SIGNAL
SIGNAL
USB
USB
USB
USB
SIGNAL
PEAK
PEAK
PEAK
SIGNAL
SIGNAL
SIGNAL
INPUT
INPUT
PEAK
PEAK
PEAK
DIGITAL MIXING ENGINE SATELLITE
SIGNAL
SIGNAL
SIGNAL
PEAK
PEAK
PEAK
SIGNAL
SIGNAL
SIGNAL
INPUT
INPUT
PEAK
PEAK
PEAK
DIGITAL MIXING ENGINE SATELLITE
SIGNAL
SIGNAL
SIGNAL
PEAK
PEAK
PEAK
SIGNAL
SIGNAL
SIGNAL
INPUT
INPUT
PEAK
PEAK
PEAK
DIGITAL MIXING ENGINE SATELLITE
SIGNAL
SIGNAL
SIGNAL
PEAK
PEAK
PEAK
SIGNAL
SIGNAL
SIGNAL
INPUT
Connecting to an
External Device
Other Functions
References
8
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
■
■
■
Introduction to the DME Satellite
Differences between DME8i-C, DME8o-C, and DME4io-C
The differences between these three models are as follows:
DME8i-C
This model features 8-channel analog inputs.
Foreword
DME8o-C
This model features 8-channel analog outputs.
DME4io-C
This model features 4-channel analog inputs and 4-channel analog outputs.
DME Satellite Features
In addition to basic mixing and matrix output functions, the DME Satellite includes a equalizers, compressors,
delay, etc. – that can be patched together via DME Designer to configure just about any audio system you need.
The CobraNet connectors on the device enable you to remotely control analog inputs and outputs by transferring
digital audio signals via a network.
The following steps summarize the process for setting up the DME Satellite for use:
(For details, refer to the PDF file “DME Setup Manual” on the CD-ROM.)
1.
Install USB-MIDI Driver, DME Designer and DME-N Network Driver.
2.
Set up the network from DME Designer (page 23).
3.
Connect devices.
• Network connection
Ethernet connection (page 24)
USB connection (page 22)
Create a configuration using DME Designer, then transfer it to the DME Satellite.
5.
(Refer to the DME Designer Owner’s Manual for details.)
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
Other Functions
References
9
Foreword
Introduction to the DME Satellite
Audio System Network
Introduction to
the DME Satellite
Controls and
Connectors
Glossary for the DME Satellite
Connecting to
a Computer
Multiple DME series units that are interconnected in a network via Ethernet function as a single audio system.
In a DME audio system, a group of the same models that can be operated in sync is called a “device group;” audio
processing divisions that accommodate multiple device groups are called “zones;” and the entire area serviced by
the acoustic system is called an “area.”
Each device group always includes one DME series unit that functions as the “group master” and controls all other
DME series units in the same device group.
If a computer is connected to the network, you can use the computer to control an entire device group via the
group master.
This section explains terminology specific to the DME Satellite.
Components and parameters
The individual audio processing modules (equalizers, compressors, etc.) are called “components.”
External head amplifier control modules are also available as components.
Changing the parameters of components enables control over the operation of the components.
Audio I/O
Connection
Connecting to an
External Device
Other Functions
Configuration
A “configuration” is a complete set of components for constructing an audio system.
Each configuration determines the audio function(s) of the corresponding DME Satellite unit.
All parameter sets included with each component in a configuration are called “preset parameters.”
One DME Satellite unit has a number of configurations, and a configuration has a number of preset parameters.
User Defined buttons (User Defined parameters)
Assigning parameters to be User Defined parameters enables you to control the device from the ICP1 and the
DME64N/DME24N.
Refer to the DME Designer Owner’s Manual for details.
References
10
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
Introduction to the DME Satellite
Scene
A combination of all configuration and preset parameters is called a “scene.”
Scenes can be recalled from an ICP1, GPI device, other external controllers, DME64N/DME24N, or computer.
Up to 999 scenes can be stored for each device group.
Scene structure
Scene
Scene 1
Scene 2
Scene 999
Scene change
Configuration
Matrix Mixer
16 x 8
Component
First ActDark ChangeSecond Act
Band Set
Play Set
Band
Set
Play
Set
Play Set
Band Set
Preset
Parameter
Ex.: Gate
• Attack
• Decay
• Range
• Threshold
• Key in
• Hold
Foreword
Introduction to
the DME Satellite
Connectors
Controls and
a Computer
Connecting to
StageStageStage
INPUT
PEAK
PEAK
PEAK
DIGITAL MIXING ENGINE SATELLITE
SIGNAL
SIGNAL
USB
SIGNAL
PEAK
PEAK
PEAK
SIGNAL
SIGNAL
SIGNAL
INPUT
USB
Scene 1Scene RecallScene 2
INPUT
PEAK
PEAK
PEAK
DIGITAL MIXING ENGINE SATELLITE
SIGNAL
SIGNAL
SIGNAL
PEAK
PEAK
PEAK
SIGNAL
SIGNAL
SIGNAL
INPUT
Audio I/O
Connection
External Device
Connecting to an
Other Functions
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
References
11
Foreword
Introduction to the DME Satellite
Signal Types
Introduction to
the DME Satellite
Controls and
Connectors
Connecting to
a Computer
DME Satellite audio system signals can be broadly categorized as follows.
Audio
1
Analog and digital signals are input and output between the DME Satellite, other DME series units, and other
audio devices.
Analog signals are input and output via the [INPUT]/[OUTPUT] jacks. Digital signals are input and output via
the CobraNet jacks.
Device group control
2
Device group control signals control all DME series devices in the group.
There are two types of device group control signals, as follows:
•Control signals between the computer and the group master DME series unit
•Control signals between the group master DME series unit and the other DME series
units
You can use the DME Designer application to control the entire device group, such as sending components to the
devices and setting the parameters as required.
Audio I/O
Connection
Connecting to an
External Device
Other Functions
References
Device control
3
These signals provide communication and control between individual devices.
Included in this category are MIDI messages transferred between [USB] connectors, GPI signals transferred be-
tween [GPI] connectors, and remote head amp control signals handled via the [REMOTE] connector.
Type of signals handled by the DME Satellite
ConnectorAudio SignalDevice Control
[USB] Connector—
[NETWORK] Connector—
CobraNet Connector
[GPI] Connector—
[REMOTE] Connector—
[INPUT]/[OUTPUT]
Connectors (audio in/out)
Up to 16 channels of input
and output.
The number of I/O channels
depends on model.
• Control signals between computer and DME
Satellite
• MIDI messages
• Control signals between computer and DME
Satellite
• Control signals between DME Satellites
• Control signals with a controller such as an
AMX or Crestron
• Internal head amp control signals with a digital
mixer
• Control signals between PM5D and DME
Satellite.
GPI control signals between GPI device (GPI
controller, etc.) and DME series unit
• Control signals to/from an external device
(such as AD8HR head amplifier)
• Control signals for a digital mixer and internal
head amp
• Control signals with a controller such as an
AMX or Crestron
DME Designer software enables you to integrate, configure, and control the DME series system from a connected
computer.
You can build the DME series audio system using graphic blocks in DME Designer that are displayed on the computer monitor.
The DME series settings, configuration, and parameter data are transferred from the computer to the DME series
unit via the USB or Ethernet connection.
DME series settings, configuration, and parameter data is sent via USB or Ethernet to the connected DME series
unit. After the data is transmitted, you can disconnect the DME series unit from the computer and use it as an
independent processor.
You can also connect it to a computer and control it in realtime from DME Designer.
If multiple DME series units are connected in the network, DME Designer enables you to build a configuration
that includes those units.
Refer to the “Connecting to a Computer” (page 22) for more information on connecting a computer to the DME
Satellite. For details on how to install DME Designer and the drivers that are required for connection, refer to the
PDF file “DME Setup Manual” included on the CD-ROM.
Refer to the DME Designer Owner’s Manual for setup and operation instructions.
Audio I/O
Connection
Connecting to an
External Device
Other Functions
References
14
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
Introduction to the DME Satellite
About CobraNet
CobraNet in a nutshell
Developed by Cirrus Logic, Inc., U.S., CobraNet technology allows real-time uncompressed digital audio distribution over industry-standard Fast Ethernet (100 megabits/sec.) networks.
Up to 128 channels, 64 in each direction, can be carried simultaneously over a CobraNet network.
(The number of channels available depends on the performance of the devices and the condition of audio signals.)
CobraNet currently supports a 48 or 96 kHz sampling rate with 16, 20, or 24-bit resolution.
It can also transfer control data along with audio signals.
The type of control data that the network can handle depends on the type of devices on the network.
When an audio signal passes through the CobraNet network, it causes a fixed latency of 5.33 milliseconds (or,
depending on the setting, 2.67 or 1.33 milliseconds).
Visit the CobraNet home page for more information on CobraNet.
CobraNet home page
http://www.cobranet.info/
Bundle
Foreword
Introduction to
the DME Satellite
Connectors
Controls and
CobraNet network transmits digital audio data in bundles. When bundles are received, they are converted back
into the original digital audio data.
With the DME Satellite, a single bundle can carry up to eight channels of digital audio.
For routing around the network, bundles are assigned numbers from 1 through 65,279. If you set the same bundle
number on both transmitting and receiving devices, digital audio data can be transmitted over CobraNet network.
There is no limitation to the number of bundles that can be transmitted and received over the CobraNet network,
as long as there are enough network resources.
The number of bundles that can be handled depends on the device.
The DME Satellite can use up to 4 output bundles and up to 8 input bundles.
You can specify the bundle number by using the DME Designer application.
The maximum number of channels that can be assigned to each bundle is as follows.
*Since 96-kHz audio is handled as two 48-kHz signals combined, the maximum number of channels is halved.
** The audio signal output from the 4th channel will include some aliasing noise, and proper operation cannot be guaranteed.
Please do not use this channel.
NOTE
The number of channels per bundled can be changes as shown below.
Depending on the configuration, the maximum number of channels that can be handle may be less than 8.
CobraNet bundles can be either multicast or unicast.
Multicast bundles are transmitted from one device to multiple devices on the network (one-to-many). Unicast
bundles are transmitted from one device to another (one-to-one).
Unicast bundles are transmitted only when another device is configured to receive them by assigning the same
bundle numbers. On the other hand, multicast bundles are transmitted to all devices on the network regardless of
whether any devices are configured to receive them, and only devices that are configured to receive those bundles
actually process them.
It is recommended that no more than four multicast bundles (offering up to 32 channels) be used, since transmission of multicast bundles consumes more network resources.
Unicast bundles should be used if five or more bundles are required. It is also possible to set multiple devices to
receive the same unicast bundle number, and depending on the transmitting device up to 4 receiving devices may
be able to simultaneously receive the same bundle. This situation is known as “multi-unicast.” The DME Satellite
is capable of handling multi-unicast bundles.
Multicast and unicast bundles are identified by bundle number. Multicast bundles are numbered 1 through 255.
Unicast bundles are numbered 256 through 65,279.
Multicast bundle
If Device A is transmitting multicast
CobraNet DeviceCobraNet Device
AB
Digital Audio Data
bundles, they will be transmitted to
all devices on the CobraNet network (e.g., Devices B, C, and D in
the example).
Network
Connecting to an
External Device
Other Functions
References
Unicast bundle
If Device A is transmitting unicast
bundles, and the same bundle numbers are assigned to the transmitting
bundles on Device A and receiving
bundles on Device D, then Device
A will transmit the unicast bundels
to Device D.
CD
CobraNet DeviceCobraNet Device
CobraNet DeviceCobraNet Device
AB
Network
CD
CobraNet DeviceCobraNet Device
Digital Audio Data
16
DME8i-C/DME8o-C/DME4io-C Owner’s Manual
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