Polycom SoundStructure C16 Design Manual page 560

Mic Input Pre-Amp Gain
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Conferencing Mic/Line Input, Sound Reinforcement Mic/Line Input
Virt Chans Mono, Stereo
System Limits Minimum: -20.0, Maximum: 64.0, Resolution: 0.5
Default 0.0
User Limits No
Supported
Event Source No
Description
This parameter sets the gain (in dB) of the mic pre-amp. A separate mic/line control is not provided. Instead,
a continuous gain range is provided, and the firmware will map this to the appropriate mic/line switch and
pre-amp gain settings.
Digital Mute—mute
Argument Argument value
Channel Type Virtual Channel
Value Type Boolean
Read/Write Mode Read/Write
Phys Chans Conferencing Mic/Line Input, Conferencing Line Output, Sound Reinforcement Mic/Line
Input, Sound Reinforcement Line Output, Analog Telephony Input, Analog Telephony Output,
Signal Generator, Submix, ConferenceLink Aux Input, ConferenceLink Aux Output
Virt Chans Mono, Stereo
Default 0
Event Source Yes
Description
This parameter sets the mute status of the virtual channel. A value of 0 indicates the virtual channel is
unmuted, while a value of 1 indicates it is muted.
Polycom, Inc.
—mic_in_gain
560