Polycom SoundStructure C16 Design Manual page 633

Description
This parameter sets the amount of delay applied to the audio signal, in sam-
ples. 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
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 Output Submix,
ConferenceLink Aux Input, ConferenceLink Aux Output
Virt Chans Mono, Stereo
Default 0
Event Source No
Description
This parameter enables (1) or disables (2) the delay algorithm.
fb_en
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
Event Source No
Description
This parameter enables (1) or disables (0) the feedback reduction algorithm.
Command Protocol Reference Guide
Enable Signal Delay
Enable Feedback Reduction
A - 117