Polycom SoundStructure C16 Design Manual page 563

Signal Activity Threshold—signal_activity_thresh
Argument Argument value
Channel Type Global System
Value Type Floating-Point
Read/Write Mode Read/Write
System Limits Minimum: -100.0, Maximum: 20.0, Resolution: 0.1
Default -20.0
User Limits No
supported
Event Source No
Description
This parameter sets the threshold for the signal activity meter.
Gain Trim For Virtual
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Conferencing Mic/Line Input, Conferencing Line Output, Sound Reinforcement Mic/Line
Input, Sound Reinforcement Line Output
Virt Chans Stereo
Indices 1-32: Physical channel
System Limits Minimum: -20.0, Maximum: 20.0, Resolution: 0.5
Default 0.0
User Limits No
Supported
Event Source No
Description
This parameter applies gain (in the analog domain) to the individual components of a virtual channel. The
index indicates to which physical channel of the virtual channel the trim will be applied. For example, indices
1 and 2 correspond to the left and right physical channels of a stereo virtual channel.
Polycom, Inc.
Channels—trim
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