Automatic Gain Control (Agc) - Polycom SoundStructure C16 Design Manual

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
UNGATED - Conferencing Processing
Mic or Line Analog A/D Parametric
Input Gain Converter Equalization
Parametric
Equalization

Automatic Gain Control (AGC)

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dynamics processing, fader, delay, and mute. The acoustic echo canceller is
also in this signal path but should not be enabled for non-microphone audio
sources.
Non Linear
Acoustic Echo Noise
Processing
Cancellation Cancellation
Feedback
Cancellation
Acoustic Echo Noise Non Linear
Cancellation Cancellation Processing
Once the conferencing ungated type is selected in the channels page as shown
in the following figure, the ungated signal path may be selected in the matrix
as shown in the following figure. This selection chooses the conferencing
ungated signal path and allows the user to enable noise cancellation on that
input signal.
Automatic gain control is used to automatically adjust the gain of audio sig-
AGC Dynamics
Automatic Dynamics
Gain Control Processor
Router
Automixer
Automatic Dynamics
Automixer
Gain Control Processor
Automatic Dynamics
Automixer
Gain Control Processor
Automatic Dynamics
Gain Control Processor
Fader Delay Mute
Input to
Fader Delay
Matrix
Input to
Fader Delay
Matrix
Input to
Fader Delay
Matrix
Fader Delay Mute
Recording/
Ungated
Conferencing
Sound
Reinforcement