User guide
CobraNet Programmer’s Reference
Audio Paths
DS651PM25 ©Copyright 2006 Cirrus Logic, Inc. 19
4. Audio Paths
Figure 6. CobraNet Interface Audio Model
4.1 Audio Routing Channels
There are 65 audio routing channels within a CobraNet interface numbered from 0 to 64.
Channels 1 through 32 are used to route audio from the Synchronous Serial Interface
(SSI) to the network transmitters. Channels 33 through 64 are used to route audio from
TX1
TX2
TX3
TX4
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33
40
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48
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56
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64
RX1
RX2
RX3
RX4
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16
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24
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32
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0 (Silence)
audioDupSrcaudioDupDst
TxSubMap
RxSubMap
audioMap
Up to 8 Channels Each
Up to 8 Channels Each
Audio Output Metering
Transmitters
Receivers
Audio Routing
Channels
Audio Buffering
Synchronous Serial
Transmitters
Synchronous
Serial Receivers
Audio Input Metering
Outgoing
Audio Bundles
Incoming
Audio Bundles
Ethernet
Ethernet
1
2
31
32
33
34
63
64
audioMeterMap
NOTES: 1. Do not alter audioMap, use txSubMap and rxSubMap to control routing to/from Bundles and SSI.
2. The number of transmitters and receivers may vary depending on the implementation.
Dup Variables
audioLoopSrc
audioLoopDst
Loop Variables