Polycom SoundStructure C16 Design Manual page 155

The input channels from the Polycom Video Codec are described in the following table.
Polycom Video Codec Input Channels
Video Codec Signal to
SoundStructure
Video Codec
Program Audio In
Codec Voice Call In
Video Codec
UI Audio In
Video Codec
Video Call In
Polycom, Inc.
Description
A stereo virtual channel that contains a mix of all non-microphone inputs to the
Video Codec
Polycom . This audio signal includes the VCR/DVD audio input
and the PC audio input.
Note that the VCR/DVD and PC audio input are only active when the
corresponding video input is selected as a send source for either People or
Content video.
As an example, the VCR/DVD audio source is only sent to the SoundStructure
Video Codec
device when the
selected. If a different video source is selected on the Polycom
then this VCR/DVD audio is not sent to the SoundStructure device over the
CLink2 interface.
A mono virtual channel that contains a mono mix of all far-end audio for
audio-only calls hosted by the
PSTN and ISDN voice interfaces.
A stereo virtual channel that contains a mix of all sound effects locally
Video Codec
generated by the
up audio playback, error tones, and user input audible feedback.
A stereo virtual channel that contains a stereo mix of all far-end audio for video
Video Codec
calls hosted by the
H.320, IP.H323, and IP SIP. If the call is mono, both the left and right channels
contain the same audio signal.
source associated with the VCR/DVD input is
Video Codec
. This includes the call on both the
including local ring, ring back, dial tone, boot
. This includes video calls on the ISDN
Video Codec
,
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