Delay Compensation - Polycom SoundStructure C16 Design Manual

UNGATED - Sound Reinforcement Processing
Mic or Line A/D Parametric
Analog
Converter
Input Gain Equalization
Parametric
Equalization
C-Series Sound Reinforcement Input Processing
Mic or Line Analog A/D Parametric
Input Converter Equalization
Gain
Parametric
Equalization

Delay Compensation

The signal processing associated with the low delay option is shown in the fol-
lowing figure for both the ungated sound reinforcement path and automixed
sound reinforcement paths.
Non Linear
Acoustic Echo Noise
Processing
Cancellation Cancellation
Feedback
Cancellation
Router
Feedback
Cancellation
Non Linear
Acoustic Echo Noise
Processing
Cancellation Cancellation
Feedback
Cancellation
Router Router
Feedback
Cancellation
The delay compensation control adds a fixed delay to the line input and
bypass signal processing paths to keep the different version of the input pro-
cessing time aligned through the input processing.
Microphone inputs have approximately 16 msec of latency due to the AEC and
noise cancellation processing. By selecting delay compensation, 16 msec of
delay is added to the line input and bypass ungated signal types.
AGC Dynamics
Automatic Dynamics
Gain Control Processor
Router
Automixer
Automatic Dynamics
Automixer
Processor
Gain Control
Automatic Dynamics
Automixer
Gain Control Processor
Automatic Dynamics
Gain Control Processor
AGC Dynamics
Automatic Dynamics
Gain Control Processor
Router
Automixer
Automatic Dynamics
Automixer
Gain Control Processor
Automatic Dynamics
Automixer
Gain Control Processor
Dynamics
Automatic
Automixer
Gain Control Processor
Customizing SoundStructure Designs
Fader Delay Mute
Input to
Fader Delay
Matrix
Input to
Fader Delay
Matrix
Input to
Fader Delay
Matrix
Fader Delay Mute
Fader Delay Mute
Input to
Fader Delay
Matrix
Input to
Fader Delay
Matrix
Input to
Fader Delay
Matrix
Fader Delay Mute
Recording/
Ungated
Conferencing
Sound
Reinforcement
Recording/
Ungated
Conferencing
Sound
Reinforcement
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