Polycom SoundStructure C16 Design Manual page 604

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
A - 88
horn_frequency
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Conferencing Line Output, Sound Reinforcement Line
Output
Virt Chans Mono, Stereo
System Limits Minimum: 20.0, Maximum: 20000.0, Resolution: 0.1
Default 4000.0
User Limits No
Supported
Event Source No
Description
This parameter sets the cutoff frequency (in Hz) of the constant directivity
horn equalizer. This is the frequency above which the gain increases at 6 dB
per octave, and below which the gain is 0 dB.
hpf_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
Default 0
Event Source No
Description
This parameter enables (1) or disables (0) the high-pass filter for the specified
virtual channel.
Frequency of Horn Equalizer
Enable High-Pass Filter