Polycom C16 - Manual (Page 33)

SoundStructure Product Family
2 - 19
SR-Series Input Processing
The input processing on the SoundStructure SR-series devices is designed to
make it easy to create commercial sound and sound reinforcement solutions.
Each audio input on a SoundStructure SR-series device includes the signal
processing path shown in the following table.
The processing for each input is shown in the following figure from analog
input signal to the three versions of input processing that lead to the matrix.
SR-Series Input Processing
Up to 8th order highpass and lowpass
1st or 2nd order high shelf and low shelf
10-band parametric equalization
Automatic gain control: +15 to -15dB
Dynamics processing: gate, expander, compressor, limiter, peak limiter
Feedback Eliminator: 10 adaptive filters
Noise cancellation: 0-20dB noise reduction
Automixer: gain sharing or gated mixer
Signal fader gain: +20 to -100 dB
Signal delay to 1000 msec
1
2
N
1
2
N
Telco
Processing
Telco
Processing
Telco
Processing Telco
Processing
Matrix
Processing
SubMix Submix
Processsing
Output
Processing
Output
Processing
Output
Processing
Input
Processing
Input
Processing
Input
Processing
Mic or Line
Input
Input to
Matrix
Input to
Matrix
Parametric
Equalization
A/D
Converter
Analog
Gain
Noise
Cancellation
Automatic
Gain Control
Automixer
AGC Dynamics Fader Delay
Fader Automixer
Automixer
Delay
Automatic
Gain Control
Feedback
Cancellation
Dynamics
Processor
Dynamics
Processor Fader
Input to
Matrix
Automatic
Gain Control Fader Delay Dynamics
Processor
Delay
Mute
Router
Recording/
Ungated
Noise Cancelled
Sound
Reinforcement