Polycom C16 - Manual (Page 97)

Customizing SoundStructure Designs
5 - 17
any processing and the level_post is after the processing.
Conference Link Channels
The Conference Link channels for HDX Program Audio in and HDX Video
Call In have a level_pre and level_post as shown on the following figure. The
HDX PSTN In and HDX UI Audio In channels do not have level_pre or
level_post meters as those signals are available directly at the matrix and do
not have any input processing on a SoundStructure device.
For more information on the processing available for the Clink2 channels, see
Chapter 6 Connecting To Conference Link devices.
Phone In
Channel
Phone Out
Channel
Fader
Tone
Generator
Delay A/D
Converter
Analog
Gain
D/A
Converter Analog
Gain
Input from
PSTN Line
Output to
PSTN Line
From Telco
to Matrix
To Telco
from Matrix
Noise
Cancellation
Parametric
Equalization
Dynamnics
Processing Fader Delay
Line Echo
Cancellation
Call Progress
Detection
Automatic
Gain Control
Dynamics
Processing
Parametric
Equalization
Telephony Processing
level_pre
level_post
level_post
Matrix
HDX Program
Audio In
Dynamics
Processing
Parametric
Equalization
Fader Delay
Mute
HDX
Video Call In
Dynamics
Processing
Parametric
Equalization
Fader Delay
Mute
HDX
PSTN In
HDX
UI Audio In
Inputs from
Polycom HDX
over CLINK2
level_pre level_post