Polycom SoundStructure C16 Design Manual page 96

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
Mic or Line
Analog
Input Gain Converter
5 - 16
adjustments.
Line Input level_post
Line input channels, such as program audio or audio from video codecs that
are connected via analog inputs and outputs, will be metered at the Record-
ing/Ungated output shown in the following figure. Stereo virtual channels
will display two meters - one for each physical channel.
Non Linear
A/D Parametric Acoustic Echo Noise
Processing
Equalization Cancellation Cancellation
Feedback
Cancellation
Telephony leve_pre and level_post
For telephony channels, the level_pre and level_post for the phone input chan-
nel and level_post for the phone output channels are shown in the following
figure. As with the analog input and output channels, the level_pre is before
Line Input Post Processing Meter
AGC Dynamics
Automatic Dynamics
Gain Control Processor
Router
Automatic Dynamics
Gain Control Processor
Automatic Dynamics
Gain Control Processor
Mute
Input to Recording/
Matrix
Ungated
Input to
Conferencing
Matrix
Sound
Input to
Matrix Reinforcement
level_post
Fader Delay Mute
Fader Delay
Automixer
Automixer Fader Delay
Automixer Fader Delay
Input to Recording/
Matrix
Ungated
Input to
Conferencing
Matrix
Sound
Input to
Matrix Reinforcement
level_post