Polycom SoundStructure C16 Design Manual page 611

Argument Argument value
Virt Chans Mono, Stereo
Values butterworth : Butterworth filter (default)
linkwitz_riley : Linkwitz-Riley filter
Event Source No
Description
This parameter sets the type of analog filter prototype used for the low-pass
filter.
peq_band_en
Argument Argument value
Channel Type Virtual Channel
Value Type Boolean
Read/Write Mode Read/Write
Conferencing Mic/Line Input, Conferencing Line Output,
Sound Reinforcement Mic/Line Input, Sound Reinforcement
Phys Chans Line Output, Analog Telephony Input, Analog Telephony
Output, Submix, ConferenceLink Aux Input, ConferenceLink
Aux Output
Virt Chans Mono, Stereo
Indices 1-10 : Equalizer band
Default 0
Event Source No
Description
This parameter enables (1) or disables (0) the specified band of the parametric
equalizer for the specified virtual channel. For conference link physical chan-
nels, the band index must be between 1 and 5. For all other physical channels,
the band index must be between 1 and 10.
peq_bandwidth
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Command Protocol Reference Guide
Enable Parametric Equalizer Band
Bandwidth Of Parametric Equalizer Band
A - 95