Polycom SoundStructure C16 Design Manual page 430

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
A - 88
Description
This parameter sets the amount of delay applied to the audio signal, in
samples. The sampling frequency is 48 kHz, which means that a sample is
20.83 microseconds. The maximum delay of 96000 samples is equivalent to 2
seconds.
delay_en Enable Signal Delay
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 Output Submix,
ConferenceLink Aux Input, ConferenceLink Aux Output
Virt Chans Mono, Stereo
Default 0
Description
This parameter enables (1) or disables (2) the delay algorithm.
fb_en Enable Feedback Reduction
Argument Argument value
Channel Type Virtual Channel
Value Type Boolean
Read/Write Mode Read/Write
Phys Chans Conferencing Mic/Line Input, Sound Reinforcement Mic/Line
Input
Virt Chans Mono, Stereo
Default 0
Description
This parameter enables (1) or disables (0) the feedback reduction algorithm.