ASI5408, ASI5416
21 November 2014
ASI5408, ASI5416
EIGHT/SIXTEEN CHANNEL PCM PCI COBRANET SOUND CARD
1 DESCRIPTION
2 FEATURES
The ASI5408 and ASI5416 are professional PCI audio
adapters designed for use in the installed sound and
entertainment markets.

8 channels (ASI5408) or 16 channels (ASI5416) of
CobraNet receive and transmit on 100Mbit Ethernet
operating at 48kHz
Using Cirrus Logic’s CobraNet technology for streaming
audio over Ethernet, the ASI5408 and ASI5416 provide 8, and
16 channels of CobraNet receive and transmit, respectively.
They can be connected to any CobraNet compliant device.

8 (ASI5408) or 16 (ASI5416) mono/stereo PCM playback

8 (ASI5408) or 16 (ASI5416) mono/stereo streams of
PCM record
AudioScience MRX technology allows up to eight (ASI5408)
or 16 (ASI5416) streams of different sample rates to be
played, recorded and mixed over CobraNet. A choice of 16,
24, and 32bit PCM is available on all streams.

MRX technology supports recording, playing and
mixing of multiple stream formats and sample rates

Low Profile PCI card allows use in 2RU high rackmount
computers

Up to 4 cards in one system

Windows 8,7, Server 2008/2012 and Linux drivers
available
AudioScience provides ASIControl, an application that allows
CobraNet routing connections to be set up between the
ASI5408/ASI5416 and any other compliant CobraNet device
on the network.
ASI5408
CobraNet Play
Streams 1-8 (stereo)
Play 1
Play 2
Play 3
Play 4
Play 5
Play 6
Play 7
Play 8
8x8
CobraNet
Interface
RJ-45 100Mbps
Ethernet
Record 1
Record 2
Record 3
Record 4
Record 5
Record 6
Record 7
Record 8
CobraNet Record
Streams 1-8 (stereo)
Key:
Play Stream
Mixer
Sample Rate Converter
Record Stream
Channel Mode
Voice Operated Switch
Multiplexer
Volume
Meter
CobraNet is a registered trademark of Cirrus Logic.
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3 SPECIFICATIONS
COBRANET INPUT/OUTPUT
Type
Connector
Precision
Sample Rate
Latency
Control Protocol
SIGNAL PROCESSING
DSP
Memory
Audio Formats
MRX
Playback sample
rates
Record sample
rates
SRC THD+N
GENERAL
Bus
Dimensions
Weight
Operating Temperature
Power Requirements
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100BaseT Ethernet
RJ-45
16, 20 or 24bit PCM
48kHz
1.33, 2.66 or 5.33ms
SNMP
Texas Instruments TMS320C6713@300MHz
8MB
8 bit unsigned PCM
16 bit signed PCM
24 bit signed PCM
32 bit signed PCM
32 bit floating point PCM
8 to 96kHz with 1Hz resolution
8 to 96kHz with 1Hz resolution
-110dB
Universal 32bit PCI (3.3V or 5V signaling)
PCI form factor – 5.25" x 3.25" x 0.5" (133mm x 82mm x 13mm)
8 oz (227g) max
0C to 70C
+3V@1.5A, +5V @ 100mA
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4 REVISIONS
Date
Description
12 November 2008
21 November 2008
09 February 2009
12 March 2009
27 April 2009
30 October 2009
First release.
Add ASI5408
Updated block diagrams.
Added ASI5416.
Added Adapter Modes section.
Page 2: Removed rogue elements in block diagrams.
Updated Adapter Modes section.
Added CobraNet section.
Removed ASI5402.
Formatting updates.
Added Low Latency mode.
Update operating system and install instructions
03 March 2010
23 June 2010
08 August 2011
20 November 2014
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5 CONTENTS
1
DESCRIPTION .................................................................................................................................................... 1
2
FEATURES ......................................................................................................................................................... 1
3
SPECIFICATIONS .............................................................................................................................................. 2
4
REVISIONS ......................................................................................................................................................... 3
5
CONTENTS ......................................................................................................................................................... 4
6
BLOCK DIAGRAMS ........................................................................................................................................... 6
7
COBRANET INTRODUCTION ........................................................................................................................... 7
7.1
CobraNet Background ................................................................................................................................................. 7
7.1.1
CobraNet Routing ................................................................................................................................................ 7
7.1.2
CobraNet Audio Channel Mapping ..................................................................................................................... 8
7.1.3
CobraNet Transmitters ........................................................................................................................................ 9
7.1.4
CobraNet Receivers ............................................................................................................................................. 9
7.1.5
CobraNet Sample Rate and Latency .................................................................................................................... 9
7.1.6
CobraNet References ........................................................................................................................................... 9
8
CONNECTORS ................................................................................................................................................... 9
9
CABLES .............................................................................................................................................................. 9
10 HARDWARE INSTALLATION.......................................................................................................................... 10
10.1 Setting Adapter Index – One Adapter in the PC ........................................................................................................ 10
10.1.1
Setting Adapter Index - Two or More Adapters in the PC ................................................................................. 10
11 SOFTWARE INSTALLATION .......................................................................................................................... 11
11.1 Drivers for Windows 8, 7, Server 2008, Server 2012 ................................................................................................ 11
11.1.1
Combo Driver .................................................................................................................................................... 11
11.1.2
ASIO ................................................................................................................................................................... 11
11.1.3
Driver Failure .................................................................................................................................................... 11
11.2 Drivers for Linux ....................................................................................................................................................... 11
11.3 Applications for Windows ......................................................................................................................................... 12
11.3.1
ASIControl ......................................................................................................................................................... 12
12 OPERATION USING ASICONTOL .................................................................................................................. 12
13 USER INTERFACE ........................................................................................................................................... 12
13.1.1
Adapter List Window.......................................................................................................................................... 12
13.1.2
Adapter Topology Window................................................................................................................................. 13
13.1.3
Node Controls Window ...................................................................................................................................... 13
13.2 Controls...................................................................................................................................................................... 14
13.2.1
Adapter Information........................................................................................................................................... 14
13.2.2
Interface ............................................................................................................................................................. 14
13.3 Adapter Mode ............................................................................................................................................................ 15
13.3.1
Interface ............................................................................................................................................................. 15
13.4 Player ......................................................................................................................................................................... 16
13.4.1
Interface ............................................................................................................................................................. 16
13.4.2 How To Play a File ............................................................................................................................................ 16
13.4.3
Using embedded sine wave generator................................................................................................................ 16
13.4.4
Developer ........................................................................................................................................................... 17
13.5 Recorder ..................................................................................................................................................................... 17
13.5.1
Interface ............................................................................................................................................................. 17
13.5.2
How To Record a File ........................................................................................................................................ 17
13.5.3
Developer ........................................................................................................................................................... 17
13.6 Volume ...................................................................................................................................................................... 18
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13.6.1
Interface ............................................................................................................................................................. 18
13.6.2
Developer ........................................................................................................................................................... 18
13.7 Meter .......................................................................................................................................................................... 19
13.7.1
Interface ............................................................................................................................................................. 19
13.7.2
Developer ........................................................................................................................................................... 19
13.8 Channel_Mode ........................................................................................................................................................... 20
13.8.1
Interface ............................................................................................................................................................. 20
13.9 ClockSourceIn ........................................................................................................................................................... 21
13.9.1
Interface for CobraNet Sound Cards ................................................................................................................. 21
13.9.2
Interface for Hono Custom/ASI2416 .................................................................................................................. 21
14 COBRANET ...................................................................................................................................................... 22
14.1 Setting Up AudioScience Software to Configure CobraNet ...................................................................................... 22
14.1.1
Install the Network Driver ................................................................................................................................. 22
14.1.2
Select Networked Adapters in ASIControl ......................................................................................................... 22
14.1.3
Connect CobraNet Device to the Network ......................................................................................................... 23
14.1.4
Connect PC to the Network ................................................................................................................................ 23
14.2 Configuring CobraNet Using ASIControl ................................................................................................................. 23
14.2.1
CobraNet Configuration Interface ..................................................................................................................... 24
14.3 How To Configure and Transmit a Bundle ................................................................................................................ 27
14.4 References .................................................................................................................................................................. 27
14.5 Network Configuration .............................................................................................................................................. 27
14.5.1
Change IP Address ............................................................................................................................................ 27
14.5.2
Configure CobraNet IP Address Range – Driver 4.02 ...................................................................................... 29
14.5.3
Choose a Network Interface – Driver 4.02 ........................................................................................................ 29
14.5.4 Configure Network Interface and Auto-IP Assignment Range – Driver 4.04.00 and later................................ 30
14.6 “Buzzy” Audio ........................................................................................................................................................... 30
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6 BLOCK DIAGRAMS
ASI5408
CobraNet Play
Streams 1-8 (stereo)
Play 1
Play 2
Play 3
Play 4
Play 5
Play 6
Play 7
Play 8
8x8
CobraNet
Interface
RJ-45 100Mbps
Ethernet
Record 1
Record 2
Record 3
Record 4
Record 5
Record 6
Record 7
Record 8
CobraNet Record
Streams 1-8 (stereo)
Key:
Key:
Play Stream
ASI5416
Sample Rate Converter
Channel
Mode
Play
1
Volume
Play Stream
Mixer
Sample Rate Converter
Record Stream
Channel Mode
Voice Operated Switch
Multiplexer
Mixer
Record Stream
CobraNet Play
Streams 1-16 (mono)
Voice Operated Switch
Multiplexer
Play 2
Volume
Play 3
Meter
Meter
Play 4
Play 5
Play 6
Play 7
Play 8
Play 9
Play 10
Play 11
Play 12
Play 13
Play 14
Play 15
Play 16
CobraNet Record
Streams 1-16 (mono)
16x16
CobraNet
Interface
RJ-45 100Mbps
Ethernet
Record 1
Record 2
Record 3
Record 4
Record 5
Record 6
Record 7
Record 8
Record 9
Record 10
Record 11
Record 12
Record 13
Record 14
Record 15
Record 16
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ASI5408, ASI5416
7 COBRANET INTRODUCTION
™
The ASI5408 and ASI5416 are PCI audio adapters that support the CobraNet audio interface providing 8
(ASI5408) or 16 (ASI5416) channels of CobraNet receive and transmit. The adapters feature a powerful Texas
Instruments 32bit floating point DSP that allows sophisticated switching and mixing.
The ASI5408/ASI5416 features a powerful Texas Instruments 32bit floating point DSP that allows sophisticated
switching and mixing.
AudioScience provides application software that may be used to set up the ASI5408/ASI5416. ASIControl sets
up all internal features of the unit such as levels also allows CobraNet routing connections to be set up between
the adapters and any other CobraNet compliant device on the network.
7.1
CobraNet Background
CobraNet is a combination of software, hardware and network protocol that allows distribution of many channels
of real-time, high quality digital audio over an Ethernet network. It was developed by Peak Audio in the 1990s and
is now owned by Cirrus Logic. Interoperability between CobraNet devices from different manufacturers is
supported through a standard communications protocol. CobraNet compliant devices are based on a common
silicon or hardware reference design from Cirrus Logic.
The Cirrus Logic website, www.cobranet.info, is dedicated to CobraNet. Wikipedia has a useful introduction to
CobraNet here (http://en.wikipedia.org/wiki/Cobranet).
CobraNet delivers audio in standard Ethernet packets over 100Mbit Fast Ethernet. Switches, hubs, media
converters and other gear that operate in compliance with the IEEE 802.3u specification for Fast Ethernet, will
work with CobraNet. CobraNet does not support 10Mbit Ethernet varieties (10BASE-T, Coaxial) due to their
limited bandwidth.
CobraNet operates at the Data Link Layer also referred to as OSI Layer 2 or MAC layer. Because it does not use
the higher IP layer for audio data transport, CobraNet does not suffer from IP latency limitations . In most cases
data communications and CobraNet data can coexist on the same network without QOS issues. All audio is sent
inside a custom Ethernet packet whose header that tells network devices that the packet contains CobraNet audio
rather than plain data. The CobraNet term for an audio packet is "Bundle". A Bundle may contain from one to
eight audio channels, each channel being composed of PCM samples of 16, 20 or 24 bits in length.
7.1.1
CobraNet Routing
The whole point of network audio is to route digital audio from point A to point B. CobraNet introduces a concept
called a “bundle” to define virtual audio routes from one CobraNet device to another one. A bundle is a logical
collection of up to 8 channels that can be sent from on device to another. Each bundle is assigned a unique
number between 1 and 9999. Bundles form the heart of the CobraNet routing capability.
CobraNet
Device 1
CobraNet
Device 2
Bundle #300
s1,s2,s3,s4,s5,s6,s7,s8
The bundle number 300 is used to describe this collection of channels
coming from Device 1. s1 to s8 represent audio samples. The bundle
shown above consists of 1 to 8 samples of audio each taken from
different channels of Device 1.
Figure 1. Illustration of a CobraNet bundle going between 2 CobraNet devices.
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The above figure illustrates a bundle of audio being sent from one CobraNet device to another. Device 1 is
transmitting the CobraNet bundle, while Device 2 is receiving it. In this case, both devices need to be set to
bundle 300 for the audio link to be made. The CobraNet mechanism for transmitting bundles uses “transmitters”.
Similarly, the mechanism for receiving bundles uses receivers. Each CobraNet device has several transmitters
and receivers and so can simultaneously send and receive audio channels using several different bundle
numbers. This capability supports audio links between many different CobraNet devices.
7.1.2
CobraNet Audio Channel Mapping
Before further discussion of CobraNet transmitters and receivers, terminology useful for specifying audio channels
within a bundle needs to be introduced. Somewhat obviously, Cirrus calls these channels ‘audio routing
channels.’
On an ASI5416, CobraNet audio routing channels 1-16 map to the ASI5416’s line out 1-8 and CobraNet audio
routing channels 33-49 map to the ASI5416’s line in channels 1-8. Routing channel 1 maps to line out 1 left and
routing channel 2 maps to line out 1 right and so on, and routing channel 33 maps to line in 1 left and routing
channel 34 maps to line in 1 right and so on. (The ASI5408 follows the same logic but with half as many
channels/line ins/line outs.)
When placed in mono mode, CobraNet audio routing channels 1-16 map to the ASI5416’s Player channels 1-16
and CobraNet audio routing channels 33-49 map to the ASI5416’s Record channels 1-16. (The ASI5408 follows
the same logic but with half as many channels/line ins/line outs.)
CobaraNet_Ch 1
CobaraNet_Ch 2
CobaraNet_Ch 3
CobaraNet_Ch 4
CobaraNet_Ch 5
CobaraNet_Ch 6
CobaraNet_Ch 7
CobaraNet_Ch 8
CobaraNet_Ch 9
CobaraNet_Ch 10
CobaraNet_Ch 11
CobaraNet_Ch 12
CobaraNet_Ch 13
CobaraNet_Ch 14
CobaraNet_Ch 15
CobaraNet_Ch 16
line out 1 left
line out 1 right
line out 2 left
line out 2 right
line out 3 left
line out 3 right
line out 4 left
line out 4 right
line out 5 left
line out 5 right
line out 6 left
line out 6 right
line out 7 left
line out 7 right
line out 8 left
line out 8 right
CobaraNet_Ch 33
CobaraNet_Ch 34
CobaraNet_Ch 35
CobaraNet_Ch 36
CobaraNet_Ch 37
CobaraNet_Ch 38
CobaraNet_Ch 39
CobaraNet_Ch 40
CobaraNet_Ch 41
CobaraNet_Ch 42
CobaraNet_Ch 43
CobaraNet_Ch 44
CobaraNet_Ch 45
CobaraNet_Ch 46
CobaraNet_Ch 47
CobaraNet_Ch 48
line in 1 left
line in 1 right
line in 2 left
line in 2 right
line in 3 left
line in 3 right
line in 4 left
line in 4 right
line in 5 left
line in 5 right
line in 6 left
line in 6 right
line in 7 left
line in 7 right
line in 8 left
line in 8 right
49-64 unused
Mono Mode
Mode-1
0 (silence)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17-32 unused
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49-64 unused
txSubMap
txSubMap
txSubMap
txSubMap
Tx1
Tx2
Tx3
Tx4
Transmit bundles are
sent out on Ethernet
rxSubMap
rxSubMap
rxSubMap
rxSubMap
rxSubMap
rxSubMap
rxSubMap
rxSubMap
Rx1
Rx2
Rx3
Rx4
Rx5
Rx6
Rx7
Rx8
Receive bundles are
received from Ethernet
CobraNet audio
channel used in
transmitters and
receivers
Figure 3. Mapping of ASI5408 inputs and outputs to CobraNet channels (the ASI5416 follows the same
logic but with 8 channels)
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7.1.3
CobraNet Transmitters
A CobraNet transmitter is a logical entity in the CobraNet interface that has the ability to send a bundle of audio
samples on the CobraNet network. CobraNet devices typically have multiple transmitters. The ASI2416, for
example, has 4 transmitters. An incomplete list of transmitter routing variables follows:
 txBundle – this variable specifies the bundle number to transmit. A value of 0 indicates that the transmitter
is disabled.
 txSubMap – a sequence of up to 8 audio routing channel numbers that specify which audio samples
should be placed in the bundle. A value of 0 indicates an unused slot in the bundle.
 txSubFomat – a sequence of format specifiers that define how many bits per sample are placed in the
bundle.
 txSubCount – the number of channels in this bundle.
7.1.4
CobraNet Receivers
A CobraNet receiver is a logical entity in the CobraNet interface that has the ability to receiver a bundle of audio
samples from the CobraNet network. CobraNet devices typically have multiple receivers. The ASI2416, for
example, has 4 receivers. An incomplete list of receiver routing variables follows:
 rxBundle – the number of the bundle to receive. This should be the same a bundle number being
transmitted somewhere else on the network. A value of 0 indicates that the receiver is disabled.
 rxSubMap – a sequence of up to 8 audio routing channel numbers that specify where incoming bundle
samples should be routed.
7.1.5
CobraNet Sample Rate and Latency
The CobraNet sample rate supported by the ASI2416 and ASI6416 is fixed at 48kHz with three latency modes of
5.33ms (default), 2.67ms or 1.33ms.
7.1.6
CobraNet References
This document is not intended to be an expansive guide to CobraNet networking and routing. The ASI2416 and
ASI6416 adhere to the CobraNet standard through the use of off-the-self CobraNet silicon from Cirrus Logic.
More detailed CobraNet information is available from them.
The following links may be helpful:
CobraNet Info: http://www.cobranet.info/en/support/cobranet/
CobraNet Discovery:
http://www.cobranet.info/dispatch/forms/sup/boardreg/breg/BregController.jpf
Audio Routing Primer:
http:// www.cirrus.com/en/pubs/appNote/CobraNet_AudioRoutingPrimer.pdf
Hardware manual and programmer’s reference:
http://www.cobranet.info/en/support/cobranet/developer/tech_data_sheet.html
8 CONNECTORS
The ASI5408/ASI5416 uses a standard RJ-45 connector.
9 CABLES
The ASI5408/ASI5416 is connected to a CobraNet network using a standard Ethernet cable. The Ethernet cable
is not supplied with the ASI5408/ASI5416.
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10 HARDWARE INSTALLATION
This section explains how to install one or more AudioScience adapters in a computer.
10.1 Setting Adapter Index – One Adapter in the PC
1. Make sure your computer is turned off.
2. PCI adapters should be installed in any empty PCI slot and PCIe adapters should be installed in any x1 (or
greater) PCIe slot.
3. Make sure the adapter jumper is set to adapter index #1, the factory default. For a new card no changes need
to be made. For an AudioScience adapter from another installation, check that it is set to adapter index #1.
Depending on the adapter family, there are different ways of setting the adapter index.
For ASI5000 and ASI6000 families, there is
an adapter jumper that must be set. The left
most position represents adapter index #1.
Adapter Jumper set
to Adapter #1
For ASI5300, ASI6300, ASI8700, and
ASI8900 families, there is a rotary switch.
NOTE: Position 0 (zero) represents adapter
#1, position 1 is adapter #2, etc.
Adapter Index switch
set to Adapter #1
4. Turn on the computer and let it boot. Under Windows, a dialog box will pop up informing you that the computer
has detected a new Multimedia Audio card. Cancel out of this dialog box and proceed to the software installation
section of this datasheet.
10.1.1 Setting Adapter Index - Two or More Adapters in the PC
1. Make sure your computer is turned off.
2. PCI adapters should be installed in any empty PCI slots and PCIe adapters should be installed in any x1 (or
greater) PCIe slots. Different adapter types can coexist in the same computer; for example, an ASI6416 and
ASI8921 will work correctly if installed in the same PC. Different adapter types still require unique adapter index
numbers.
3. Each adapter in the PC needs to have its adapter jumper/rotary switch position set to unique numbers. For
example if you are installing two adapters, the first one would be set to adapter index #1 and the second to
adapter index #2.
3.1. For ASI5000 and ASI6000 families, the position to the right of index #1, when jumpered, represents adapter
index #2. The next position represents #3, and the rightmost position, when jumpered, represents #4.
3.2. For ASI5300, ASI6300, ASI8700, and ASI8900 families, rotate the rotary switch to indicate what position is
required.
4.
Turn on the computer and let it boot. Under Windows, a dialog box will pop up informing you that the
computer has detected a new Multimedia Audio card. Cancel out of this dialog box and proceed to the
software installation section of this datasheet.
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11 SOFTWARE INSTALLATION
AudioScience makes audio adapters and drivers for various operating systems. Enhancements to an adapter’s
utility come from the integrators software that uses the audio driver to implement sophisticated audio playback
and recording functions.
11.1 Drivers for Windows 8, 7, Server 2008, Server 2012
Typically, drivers are not included with the hardware and will need to be downloaded from the AudioScience
website. They can be found here: http://www.audioscience.com/internet/download/win_drivers.htm
The first step is to determine what type of driver is needed for your operating system. Drivers are available for 32bit and 64-bit Windows systems.
Driver 3.10 and later present the user with three install options during installation:
 Install Standard PCI/PCIe Driver.
 Install Standard + Network Audio Driver.
 Remove all driver components
Traditional installs should select the first of these options. Users of AudioScience CobraNet and AVB products
should select the second option with the “+Network Audio Driver.” in the text.
11.1.1 Combo Driver
The Combo driver installs WDM devices by default and presents an option to “Install legacy 32-bit WAVE driver”
in case your application requires it. Download the file named ASICOMBO_xxxxxx.EXE from
www.audioscience.com and run it (_xxxxxx is the version number). After the EXE has run, reboot your computer
and the audio adapter will be operational. If the cover is off the computer, one can see one or two blinking LEDs
on top of the card indicating its DSP is running and communicating with the driver.
Verify that the adapter is running using ASIControl (see ASIControl section in this document).
11.1.2 ASIO
All AudioScience drivers also install an ASIO driver interface. It is installed by default.
11.1.3 Driver Failure
In the event that an adapter’s driver fails to load correctly, the OS’s event viewer should be checked. The event
log is viewed as follows:
7: The system event log is accessed from \Start\Control Panel\System and Maintenance\Administrative
Tools\Event Viewer. The Windows Logs\System view should be selected.
If two or more adapters are installed in the same system, the first thing to check is that the adapters were
assigned unique adapter numbers. If issues persist, please email support@audioscience.com.
11.2 Drivers for Linux
The latest Linux driver can be downloaded from the AudioScience website – www.audioscience.com
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11.3 Applications for Windows
AudioScience provides ASIControl for adapter set-up and configuration.
11.3.1 ASIControl
All Windows drivers install an AudioScience application called ASIControl that can be used to setup and verify
functionality of adapters. ASIControl provides a common interface for users across all driver types.
From the Windows Start menu, navigate to StartProgramsAudioScience and run the ASIControl program.
12 OPERATION USING ASICONTOL
Using ASIControl, the ASI5416 will look like this:
Adapter
List
Window
Node
Controls
Window
Adapter
Topology
Window
13 User Interface
ASIControl consists of three main windows: the adapter list in the top portion of the window, the adapter topology
view on the left hand side, and the node control list on the right hand side.
13.1.1 Adapter List Window
The top portion of ASIControl shows a list of all the adapters that the application has found. By default, only bus
based (i.e. PCI and/or PCI Express) adapters will be shown. If the network portion of the driver is installed (by
selecting “Install Standard + Networked Audio Driver” after running the driver installer) and “Local PCI(e) +
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Networked adapters” is selected from ASIControl’s OptionsConfigure adapter interface, then AudioScience and
other third party CobraNet devices will be shown.
Adapters are listed in order of adapter index. For bus-based adapters, this is determined by the adapter index
jumper on the card. For AudioScience CobraNet devices this is calculated from the unit’s MAC address. Third
party CobraNet devices are listed last as they have no AudioScience index.
13.1.2 Adapter Topology Window
The left hand side of ASIControl contains the topology view of the adapter. It is essentially a block diagram of the
device showing the available physical inputs and outputs on the right hand side of the black, vertical ‘bus’ line. On
the left hand side of the bus line, bus-based adapters show player and recorder streams, while CobraNet
adapters show their network connections.
Each of the inputs and outputs is referred to as a node and each Node contains one or more controls. The
topology shows each control as a small icon. A non-exhaustive list of nodes follows:
Line In
Line Out
AES/EBU In
AES/EBU Out
Player
Recorder
Tuner
Clock Source In
CobraNet In
CobraNet Out
Hovering the mouse over a particular node will highlight it. Clicking on a node will bring up the controls resident
on that node in the right hand control list.
There is an adapter node in the top left corner of the topology window. Clicking on this will show adapter-specific
controls and properties on the right hand side. Not all adapters have all nodes.
13.1.3 Node Controls Window
The right hand side of ASIControl shows the controls associated with the selected node in the topology view. The
controls are arranged, from top to bottom, in order of audio signal flow, i.e. the audio signal can be viewed as
entering the node at the top control and leaving at the bottom control. Controls may be used to either manipulate
the audio as it passes through the node, or report back control status information.
For a comprehensive listing of controls and how to operate ASIControl, please see the ASIControl manual
available from www.audioscience.com and also installed by the driver. Not all adapters have all controls.
The section below lists some common and any specific controls, as seen in ASIControl, for this adapter.
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13.2 Controls
The following subsections list all of the controls for the ASI5408/ASI5416. Each control’s interface as it appears
in ASIControl is detailed and where applicable, the API to use the control is described.
13.2.1 Adapter Information
This control displays information about the installed AudioScience product.
13.2.2 Interface
Figure 1. Adapter information seen in right side of ASIControl.
Serial Number:
The serial number is displayed here.
Hardware Revision:
This lists the hardware revision of the AudioScience product.
DSP Software Version:
The DSP software version is displayed; usually the same as the driver version installed.
DSP Utilization:
This shows the loading of the AudioScience product’s DSP in percent.
Note: Utilization should be kept below 90%.
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13.3 Adapter Mode
The Adapter_Mode control changes the number of players/recorders/lineouts that an adapter has. On certain
adapters, not all sample rates/formats are supported; changing the mode of the adapter allows for best
functionality with certain sample rates/formats. Different adapters will have different modes available, and not all
adapters have modes. Please see datasheets on specific adapters, available at www.audioscience.com for more.
13.3.1 Interface
Figure 2. Adapter Mode in ASIControl.
Selecting the appropriate mode from the list using the dropdown arrow changes the Adapter_Mode setting. A
reboot is necessary after changing adapter mode. The mode setting is saved to the adapter’s EEPROM.ASI5408
Modes
13.3.1.1.1 Mode-1 (default) – Standard Mixing
This mode supports 8 Play streams and 8 Record streams with full mixing capabilities.
13.3.1.1.2 Mono
This mode supports 8 mono Play streams and 8 mono Record streams with full mixing capabilities. Mono mode
supports mapping a single Play device to a mono CobraNet channel, allowing independent audio output on each
channel.
13.3.1.1.3 Low Latency
NOTE: Driver 4.06.00 or later, as well as Rev F6 and later, is required.
This mode supports a single multichannel play stream and a single multichannel record stream, enabling live
sound processing in ASIO and Core Audio applications. See the Low Latency Mode datasheet for further
information.
13.3.1.2 ASI5416 Modes
13.3.1.2.1 16-Play
ASI5416 only: This mode supports 16 Play streams and 16 Record streams with full mixing capabilities. It is
recommended that play and record formats be constrained to 48 kHz mono PCM if all 16 devices are to be used.
13.3.1.2.2 Mode-1 (default) – Standard Mixing
This mode supports 8 Play streams and 8 Record streams with full mixing capabilities.
13.3.1.2.3 Mode-2 – Minimal Mixing
This mode supports playback from each Play device to a single LineOut and has no LineIn to LineOut mixing
capabilities. This conserves DSP MIPS. Mode 2 supports recording stereo MP2 at 48 kHz on all 8 Record
streams.
13.3.1.2.4 Mono
This mode supports 16 mono Play streams and 16 mono Record streams with full mixing capabilities. Mono
mode supports mapping a single Play device to a mono CobraNet channel, allowing independent audio output on
each channel.
13.3.1.2.5 Low Latency
NOTE: Driver 4.06.00 or later, as well as Rev F6 and later, is required.
This mode supports a single multichannel play stream and a single multichannel record stream, enabling live
sound processing in ASIO and Core Audio applications. See the Low Latency Mode datasheet for further
information.
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13.4 Player
The Player control supports playback of an audio file from the computer’s hard drive.
13.4.1 Interface
Figure 3. A player in ASIControl.
The first line of static text contains the selected playback file. Below the filename is the file information; playback
time and playback bytes, the timescale select options, the player control buttons and the file repeat option.
13.4.2 How To Play a File
The first step in playing a file is to select the file to play. Use the file icon button to navigate to the desired file.
After opening the file, the complete filename, including the path, will appear immediately to the left of the file open
icon. At this point the file information is also filled in so that it contains the following fields: Channels, Rate,
Format, and Bit Rate. Most of there are self-explanatory. The Rate refers to the sample rate of the audio
recorded in the file. The Bit Rate applies only to MPEG compression and is set to 0 for all other formats.
At this point the percentage time scaling without pitch shift can be set if desired. The default of 0 indicates that
time scaling is disabled. The valid range of settings is +/- 20 percent.
The Repeat check box indicates whether the file should be played again after playback has completed. It can be
set either before playback has begun, or while playback is underway.
The file is now ready to be played. To start playback press the play button. At this point the Time and Bytes
fields report playback time and the number of bytes of the file that have been played.
Once playback has started, the stop and pause buttons can be used to stop or pause the playback.
13.4.3 Using embedded sine wave generator
Manually typing in a filename of “~” and pressing play will cause a full-scale 1 kHz sine wave to be played at 48
kHz. The format of the filename string is: "~w, c,f,a,m,s,t".
w
c
f
a
m
t
s
= waveform = SINE (default=SINE)
= channels = 1…8 (default = 2)
= frequency = 1000 for 1kHz (default=1000)
= amplitude = -1 for -1dBFs (default=0dBFS, i.e. full scale)
= channel mask = 10 for left only, 01 for right only, 11 for stereo, etc. (default=1 for all channels)
= sample type = (PCM8, PCM16, PCM24, PCM32, FLOAT32) (default=FLOAT32)
= sample rate = positive integer (default=48000) [validity depends on adapter]
Defaults can be used if the complete string is not specified, i.e.
"~" becomes "~wSINE,c2,f1000,a0,m11,s48000,tFLOAT32"
Any subset of the options may be specified, the remaining options will be set to the defaults. e.g. "~f500" = 500Hz
stereo sine wave at 0dBFS, 48kHz sample rate.
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13.4.4 Developer
13.4.4.1 Windows APIs
Wave – waveOutOpen(), waveOutWrite(), waveOutClose() etc.
HPI – Output stream functions documented here.
ASX – ASX Player control functions documented here.
DirectSound – TBD.
13.4.4.2 Linux APIs
HPI – TBD
13.5
Recorder
The Recorder control supports recording of an audio file.
13.5.1 Interface
Figure 8. A recorder in ASIControl.
The first line of text contains the name given to the recorded file along with the location where it is to be saved.
Below the filename is the file information, the record time and record bytes, the recorder control buttons and the
file Append option.
13.5.2 How To Record a File
The first step in recording a file is to have audio coming into the adapter. This can be from a line-in or from one of
the players in ASIControl. See appropriate sections in this datasheet to accomplish this. Next, the new file needs
a name and place to be saved, or an existing audio file can be selected to be overwritten or appended to. Use the
file icon button to navigate to the location to create the file and to give it a name, or to open a previously
recorded file to overwrite or append to it. Next, from the dropdown arrows, select the number of “Channels”, the
“Sample Rate”, the “Format”, and the “Bitrate” that the file should be recorded in.
Check the Append checkbox to save the audio to the end of an already existing file.
The file is now ready to be recorded. To start recording, press the record button. At this point the “Time’ and
“Bytes’ fields report record time and the number of bytes of the file that have been recorded.
Once recording has started, the stop and pause buttons can be used to stop or pause the playback.
13.5.3 Developer
13.5.3.1 Windows APIs
Wave – use waveInOpen(), waveInStart() etc.
HPI – use HPI_InStreamxxx() functions.
ASX – use ASX_Recorder_xxx() functions.
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13.5.3.2 Linux APIs
HPI – use HPI_InStreamxxx() functions.
ASX – use ASX_Recorder_xxx() functions.
13.6 Volume
The Volume control allows the audio signal’s gain to be altered in the range of –100 to +20dB.
13.6.1 Interface
Figure 6. A Volume of a Player in ASIControl.
Left and Right display boxes:
Displays the gain settings that the slider bars are set to.
Slider Bars:
Click on the bar with the mouse and drag to desired gain. Once the bars are selected, the left and right arrow
keys can also be used to change the settings.
Lock:
When checked, locks the left and right channels to the same gain value. When unchecked, allows the left and
right channels to have independent gains. (Note that if an adapter is in SSX2 mode, the Player volumes cannot
be unlocked to move the left and right channels independently.)
Mute:
Check this box to mute the volume.
Fade:
When pressed, automatically fades the volume to the opposite end of the scale.
13.6.2 Developer
13.6.2.1 Windows APIs
Wave/Mixer – MIXERCONTROL_CONTROLTYPE_VOLUME
This is a Windows standard volume control. Settings are in the range of 0 to 65535, where 0 completely mutes
the output and 65535 is the maximum volume.
HPI – HPI_Volume APIs.
ASX – ASX_Volume APIs.
DirectSound – TBD.
13.6.2.2 Linux APIs
HPI –HPI_Volume APIs.
ASX –ASX_Volume APIs.
ALSA – TBD.
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13.7 Meter
Meters in ASIControl are located on audio nodes and display the audio level as the audio signal passes through
the node. Most AudioScience devices return both RMS and peak level readings and ASIControl displays both
simultaneously.
13.7.1 Interface
Figure 7. A stereo peak meter display. The RMS is the green bar and the peak is the yellow bar.
To the right of the peak meter is the absolute readings in dBFS. These can be useful when testing input tones of a
specific known level.
13.7.2 Developer
13.7.2.1 Windows APIs
Wave/Mixer – Meters are read using mixerGetControlDetails() on a control of type signed and with type “Peak”
the name “Peak Meter”. A minimum value is 0 and maximum is 32767. The interface returns the peak readings
only, not the RSM level. It confirms to expected Windows functionality.
HPI – Meters are read using the HPI_Meterxxx() API.
ASX – Meters are read using the ASX_Meter_xxx() API.
DirectSound – TBD.
13.7.2.2 Linux APIs
HPI – Meters are read using the HPI_Meterxxx() API.
ASX – Meters are read using the ASX_Meter_xxx() API.
ALSA – TBD.
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13.8 Channel_Mode
The channel mode is a mechanism for handling mono to stereo conversions and directing the output to either left
or right channels, as well as outputting left to stereo and right to stereo.
13.8.1 Interface
Figure 4. ASIControl view of a player’s channel mode control.
Default playback of either mono or stereo files causes audio to be output from the player on both the left and right
audio channels. The channel mode control can allow the audio to be directed to either the left only or the right
only. Select a channel mode setting from the dropdown list.
Valid settings are:
Normal – left channel out left channel, right channel out right channel
Left
Right
Left
Right
Swap – left channel out right channel and right channel out left channel
Left
Right
Left
Right
Left_to_stereo – left channel out to both left and right channels
Left
Right
Left
Right
Right_to_stereo – right channel out to both left and right channels
Left
Right
Left
Right
Stereo_to_left – left and right channels out to left channel
Left
Right
+
Left
Right
Stereo_to_right – left and right channels out to right channel
Left
Right
+
Left
Right
The Stereo_to_left and Stereo_to_right operations perform a sum of the left and right channels and then divides
the result by 2.
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13.9 ClockSourceIn
In the topology pane of ASIControl, click on Clock Source 1
to see the ClockSourceIn information in the node pane.
13.9.1
Interface for CobraNet Sound Cards
Figure 9. Clock Source info for AudioScience CobraNet sound cards as seen in ASIControl
Sample Rate Converter
Starting with driver 4.02.00, all CobraNet sound cards have the ability to lock the sample rate, i.e. to disable the
sample rate converter. Check the Disable checkbox to do this.
Clock Source:
CobraNet supports 48kHz. For this reason, the Clock Source is grayed out and is not user selectable.
Adapter Rate:
Displays CobraNet clock rate.
13.9.2 Interface for Hono Custom/ASI2416
Figure 10. Clock Source information for Hono Custom/ASI2416 devices as seen in ASIControl.
Clock Source:
CobraNet supports 48kHz. For this reason, the Clock Source is grayed out and is not user selectable.
Adapter Rate:
Displays CobraNet clock rate.
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14 COBRANET
ASIControl can be used to configure both AudioScience CobraNet devices and third party CobraNet devices, via
its CobraNet Configuration dialog box. This dialog box can be used to configure CobraNet devices and assign
names, locations, bundle numbers, channel assignments, etc. Third party applications such as CobraNet
Discovery can also be used to configure AudioScience CobraNet devices.
Below lists how to set up AudioScience’s software so ASIControl may be used to configure CobraNet.
NOTE: Under some Windows operating systems, ASIControl must be run as administrator in order to see all
networked CobraNet devices. In Windows 7 this is done by right clicking on the ASIControl shortcut on the
desktop and selecting “Run as administrator.”
NOTE: Some antivirus programs and/or firewalls can prevent ASIControl from showing all CobraNet devices on a
CobraNet network. If all CobraNet devices are not showing in the top pane of ASIControl, please check settings
and/or turn off any antivirus programs or firewalls that may be running on the PC.
14.1 Setting Up AudioScience Software to Configure CobraNet
To configure an AudioScience CobraNet devices using ASIControl, the following must be in place: the
AudioScience network driver must be installed, the networked adapters option must be selected in ASIControl,
the AudioScience CobraNet device must be connected to the CobraNet network via an Ethernet cable, and the
PC that is running ASIControl must also be connected to the same CobraNet network.
14.1.1 Install the Network Driver
When an AudioScience driver install EXE is run, three choices are made available as shown in the image below.
Select “Install Standard + Network Audio Driver” when installing AudioScience CobraNet products, then run the
driver install EXE as usual.
14.1.2 Select Networked Adapters in ASIControl
In ASIControl, go to the menu item Options, then select Configure adapter interface, as shown below.
Since ASIControl is used for both AudioScience’s non-CobraNet adapters and CobraNet adapters, the correct
interface must be selected when using ASIControl for CobraNet configuration. Click on menu item Options, then
Configure adapter interface. The Interface Selection dialog box opens; the default selection is “Local PCI(e)
adapters. Select ‘Local PCI(e) + Networked adapters.’ then click OK.
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ASIControl will restart, looking for all CobraNet devices on the network, assigning IP addresses where needed,
and showing CobraNet devices on the network in its top pane.
14.1.3 Connect CobraNet Device to the Network
Plug one end of an Ethernet cable into the back of the AudioScience CobraNet device. Plug the other end into
the CobraNet or test network.
14.1.4 Connect PC to the Network
CobraNet control is via SNMP. In order for ASIControl to establish an SNMP connection to an AudioScience (or
other) CobraNet device(s) for configuring, a valid network path must be established between the PC running
ASIControl and the AudioScience (or other) CobraNet device(s). This is done by plugging one end of an Ethernet
cable into the back of the PC’s network interface card (NIC) and plugging the other end into the CobraNet or test
network.
If the PC running ASIControl must be connected to an office network and if the CobraNet network data is required
to be separate from the office network, another NIC must be added to the PC; one for the office and one for
CobraNet.
If the PC is on an office network and the CobraNet network data is not required to be separate from the office
network, the PC can temporarily be removed from the office network and plugged into the CobraNet or test
network. After the CobraNet configurations are made, the PC can be taken off the CobraNet network and placed
back on the office network. Note: If any CobraNet configurations need to be changed in the future, the PC must
be placed back on the CobraNet network in order to establish the SNMP connection.
If the PC does not need to be on an office network, plug it’s NIC into the CobraNet or test network and either
leave it there or remove it after configuring CobraNet. If it’s removed, the PC must be connected to the CobraNet
or test network again if CobraNet configurations need to be changed in the future.
Note: If plugging an AudioScience CobraNet device into an already existing CobraNet network, the PC must have
the same IP address range as the CobraNet network in order for it to assign the AudioScience CobraNet device
an IP address in the same range. Alternatively, if another CobraNet set-up application was used such as
CobraNet Discovery, the same application may be used to assign an IP address and configure AudioScience
CobraNet devices.
14.2 Configuring CobraNet Using ASIControl
The CobraNet Configuration dialog box is accessed via ASIControl,
which is installed when the driver EXE is run. Double click on the ASIControl icon
on the desktop, then in the top section right click on the CobraNet device and
select Configure CobraNet… (see further for information on the other selections available):
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The CobraNet Configuration dialog box opens:
14.2.1 CobraNet Configuration Interface
There are three main sections of the dialog box: the top shows the configuration section of the CobraNet device,
the transmitter section is in the middle, and the receiver section is at the bottom. There are also four user control
buttons on the bottom right.
14.2.1.1 CobraNet Device Configuration Section
MAC Address:
Read only; displays the MAC address of the CobraNet device.
IP Address:
Read only, displays the assigned IP address of the CobraNet device.
SysName:
Editable; a meaningful name can be given to a CobraNet device here.
SysLocation:
Editable; a physical location can be listed here for ease of reference.
SysDescription:
Read only; lists the type of CobraNet interface.
Sample Rate:
48k (default) or 96 kHz. A CobraNet device must run at one sample rate only. Two CobraNet devices on the
same network can each operate at a different sample rate.
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Latency:
Choose between 1.33, 2.67, or 5.33 (default) ms.
Persistence:
On or off. When set to on, settings are saved to flash and will be restored after a restart.
Conductor Priority:
Editable; set a low number to ensure the CobraNet device will always be a Performer (it is never a Conductor) or
set it to a high number to ensure it will always be a Conductor (it is never a Performer). The following are Cirrus
numbering conventions:
• 0 = never conductor
• 32 = normal conductor priority (the CobraNet device will either be the Conductor or the Performer)
• 128 = high conductor priority (the CobraNet device will be the Conductor)
Conductor Status:
Read only; displays if the CobraNet device is a Conductor or Performer.
Serial Bridge:
Not available on all CobraNet devices. Clicking on this button opens the Serial Bridge Configuration dialog box.
Error Code:
Displays CobraNet-specific error information using Cirrus’ error numbering conventions.
Count:
Displays the number of errors that have occurred on the device. Some errors result from normal operation;
disconnecting cables, rerouting, etc. The text field to the right of Count displays the Cirrus-related text.
14.2.1.2 Transmitter Section
Transmitter:
Sends an audio bundle, made up of up to 8 audio channels, to a CobraNet receiver on the network.
Bundle:
The basic CobraNet audio routing component, can have 0 to 8 audio channels. Assign specific bundle numbers
here.
Bundle numbers can be 0 and 1 – 65535
- 0 for turning transmitter off or for silence
- 1-255 for multicast
- 256-65279 for unicast
- 65280-65535 for private
1-8 Audio Channels:
The number of mapped channels from mixer to transmitter. Channels 0 (inactive) and 1-32 can be assigned. A 0
mapping of end channels ‘shortens’ the bundle; a mapping of 0 in the middle of mapping denotes silence.
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Multicast Mode:
Double click to change setting in the dropdown list; use the following table to determine what setting to select:
Settings
Multicast Bundle # < 256
Always
Unicast N
Number of Receivers <= N
Multicast
Multicast
Unicast
Multicast Over N
Unicast
Number of Receivers > N
Multicast
Multicast
Unicast if Receiver = 1-N
Fail if Receiver > N
Multicast
Format:
Double click to change the audio sample format to 16, 20, or 24 bits.
Dropouts:
The number of times the channel transmission has been interrupted. Interruptions can be caused by loss of
transmit permission from conductor (i.e. conflict with another transmitter set to the same bundle number) or by
changes to txBundle.
Receivers:
The number of receivers requesting this bundle.
14.2.1.3 Receiver Section
Receiver:
Can receive from a CobraNet transmitter on the network one bundle made up of up to 8 audio channels.
Bundle:
The basic CobraNet audio routing component; assign a specific Bundle number here. A Receiver can carry 0
(channel will not be mapped to mixer) to 8 audio channels.
1-8 Audio Channels:
The number of audio channels in the bundle to be routed to the particular Receiver; channels 0 (inactive) and 3364 can be assigned.
Status:
Displays ‘Receiving’ when a bundle is successfully routed to it.
Dropouts:
Displays number of times bundle reception has been interrupted. Interruptions can be caused by transmitter
failure or by reconfiguring the receiver.
14.2.1.4 User Control Buttons
Refresh:
Updates fields and statuses. If clicked before Apply, clears any changes made.
Apply:
Accepts changes and leaves dialog box open.
OK:
Accepts changes and closes dialog box.
Cancel:
Does not accept any changes made and closes dialog box.
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14.3 How To Configure and Transmit a Bundle
The minimum configuring needed to test basic functionality of sending and receiving a bundle is to set a
transmitter bundle and channels on one CobraNet device, and then set the receiver of another CobraNet device
to the same bundle number, plus assign its channel numbers.
For example, an ASI6416 is installed in a computer, ASIControl is opened and is used to play a stereo audio file
in the ASI6416’s Player 1. The Repeat box is checked to have continuous audio playing.
ASIControl is then used to set the ASI6416’s first transmitter to have bundle number and channel assignments.
Double clicking in receiver 1’s bundle field makes it editable and 255 (for example) is typed in. Double clicking in
the receiver 1, channel 1 box makes it editable and 1 is typed in (numbers 0 and 1-32 can be used). Hitting the
Tab key auto fills the rest of the channels. Since only two channels are needed, double clicking in the channel 3
box, typing in 0, and then hitting the Tab key changes channels 3-8 to have 0s in them. The OK button is clicked
and the dialog box closes.
On the same CobraNet network is an ASI2416. Its CobraNet Configuration dialog box is opened using
ASIControl. Using the same procedures as above, 255 is typed in (since 255 was used in the example above) as
the bundle number for the ASI2416’s receiver 1, and its first two channels are assigned numbers 33 and 34
(numbers 0 and 33-64 can be used). This time the Apply button is clicked so the dialog box remains open.
Immediately in the CobraNet Configuration dialog box the first two channels in receiver 1 turn green and the
Status field changes to ‘Receiving’ to indicate a bundle has been successfully routed to the receiver. If any
errors, the receivers would turn red.
Clicking OK closes the CobraNet Configuration dialog box. ASIControl is still open and meter movement is seen
in CobraNet_Ch 33 and 34, as well as Line_Outs 1 and 2.
14.4 References
http://cirrus.com/en/pubs/appNote/CobraNet_AudioRoutingPrimer.pdf
http://cirrus.com/en/pubs/manual/CobraNet_Programmer_Manual_PM25.pdf
http://www.cirrus.com/en/support/cobranet/design/switched_networks.html
14.5 Network Configuration
14.5.1 Change IP Address
Change the IP address of a CobraNet device here.
After right clicking on a CobraNet device in
ASIControl and selecting “Change IP
Address…”, the dialog box below opens.
14.5.1.1 Interface
Current IP:
The CobraNet device’s current IP address is shown. Double click in the fields to highlight the current number and
overwrite it.
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Static IP:
It is recommended to click on the Static IP checkbox to have a fixed IP address.
OK/Cancel:
Click OK to accept the changes and close the dialog box, or Cancel to not accept any changes and close the
dialog box.
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14.5.2 Configure CobraNet IP Address Range – Driver 4.02
Assign a starting and ending IP address range, and enable auto-assign here.
Click on ASIControl’s menu item Options,
then select Configure CobraNet IP address
range. This opens the CobraNet Auto IP
Assignment dialog box.
Type in the starting and stopping CobraNet
IP address to be used. When Enable
Auto-assign is checked, ASIControl
assigns IP addresses to all discovered
devices according to the IP address range.
Click OK.
14.5.3 Choose a Network Interface – Driver 4.02
If a PC has more than one network interface card (NIC) in it, the following dialog box will pop up when first
opening ASIControl:
Select the correct NIC that the CobraNet devices will be using, then click OK.
The network interface can be changed at
any time. To change the NIC used, click
on ASIControl’s menu item Options, then
Select network adapter. This opens the
ASIControl – choose network interface
dialog box.
NOTE: If Select network adapter is not showing under Options, close and then reopen ASIControl.
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14.5.4 Configure Network Interface and Auto-IP Assignment Range – Driver 4.04.00 and later
Driver 4.04.00 and later groups the network interface and the auto-IP assignment under OptionsConfigure
Network Interface and Auto-IP Assignment Range. Clicking on it opens the ASIControl – choose network
interface dialog box.
From the dialog box below, choose the network adapter to use (if two or more NICs are in the machine).
Check the Enable dynamic
CobraNet IP address
assignment checkbox, if
required. This allows input in
the last box of the Starting IP
and Ending IP range. Type in
the numbers required and
click OK.
14.6 “Buzzy” Audio
If “buzzy” audio is heard from the ASI5408/ASI5416, the following may fix it:
- (If needed, save current ASI5408/ASI5416 settings using ASIControl by going to menu item
AdapterSave Configuration.)
- Open ASIControl, click on the ASI5408/ASI5416 in the top pane, and then click on menu item
AdapterConfigure CobraNet. If Persistence is set to on, change it to off.
- Close ASIControl and restart the machine.
o If audio is OK, set Persistence back to on.
o If audio is still “buzzy,” send a detailed email to support<at>audioscience.com.
<end>
www.audioscience.com
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21-Nov-14
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