Agc_en enable automatic gain control, Description, Agc_max_gain agc maximum gain – Polycom C16 User Manual

Page 428

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12

A - 86

The index is used to specify the left (1) or right (2) reference channels. If neither
the left nor the right channel have references specified, then the AEC is disabled. If
only the left channel is specified, then the mono AEC algorithm is used. If both the left
and right channel are specified, then the stereo AEC algorithm is used.

If the reference's virtual channel is mono, then the corresponding physical

channel is used as the AEC reference. If the reference's virtual channel is

stereo, then either the left or right physical channel is used as a reference,

depending on which index is specified (1 for left, 2 for right).
If the AEC is on a stereo virtual channel, then the reference specifications apply

to both physical channels of the stereo virtual channel.

agc_en Enable Automatic Gain Control

Description

This parameter enables (1) or disables (0) the automatic gain control (AGC)

algorithm.

agc_max_gain AGC Maximum Gain

Argument

Argument value

Channel Type

Virtual Channel

Value Type

Boolean

Read/Write Mode

Read/Write

Phys Chans

Conferencing Mic/Line Input, Sound Reinforcement Mic/Line
Input, Analog Telephony Input

Virt Chans

Mono, Stereo

Default