Polycom SoundStructure C16 Design Manual page 646

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
A - 130
Description
This parameter defines how much louder (in dB) the microphone's signal level
must be above its measured noise floor before it is eligible to be considered
active. Higher settings will make the microphone's gating less sensitive, while
lower settings will make it more sensitive.
am_camera_activity_time
Argument Argument value
Channel Type Global System
Value Type Integer
Read/Write Mode Read/Write
Indices 1-63 : group number
System Limits Minimum: 10, Maximum: 10000
Default 2000
User Limits No
Supported
Event Source No
Description
This parameter defines the amount of time (in ms) a signal must be active
before showing up on the camera activity meter. In general, it should be set
somewhat longer than the hold time of the automixer.
am_chairman
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
Virt Chans Mono, Stereo
Default 0
Event Source No
Automixer Camera Activity Time
Automixer Chairman Microphone