Polycom SoundStructure C16 Design Manual page 663

Enable Noise Canceller—nc_en
Argument Argument value
Channel Type Virtual Channel
Value Type Boolean
Read/Write Mode Read/Write
Phys Chans Conferencing Mic/Line Input, Analog Telephony Input
Virt Chans Mono, Stereo
Default 0
Event Source No
Description
This parameter enables (1) or disables (0) the noise cancellation (NC) algorithm.
Noise Cancellation
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Conferencing Mic/Line Input, Analog Telephony Input
Virt Chans Mono, Stereo
System Limits Minimum: 0.0, Maximum: 20.0, Resolution: 1.0
Default 10.0
User Limits No
Supported
Event Source No
Description
This parameter sets the amount of cancellation (in dB) applied by the noise cancellation algorithm.
Polycom, Inc.
Level—nc_level
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