Sr-Series Input Processing - Polycom SoundStructure C16 Design Manual

SR-Series Input Processing

Mic or Line Analog A/D Parametric
Input Gain Converter Equalization
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.
SR-Series Input Processing
Up to 8th order highpass and lowpass
1st or 2nd order high shelf and low shelf
10-bands of 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: up to 1000 msec
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.
Input
1
Processing
Input
2
Processing
Input
N
Processing
Noise
Cancellation
Feedback
Cancellation
Telco
Telco
Telco
Processing
Telco
Processing
Processing
Processing
Output
1
Processing
Output
2
Processing
Matrix
Output
N
Processing
SubMix
Submix
Processing
Processsing
AGC Dynamics
Automatic Dynamics
Gain Control Processor
Automixer
Automatic Dynamics
Automixer
Gain Control Processor
Automatic Dynamics
Automixer
Gain Control Processor
SoundStructure Product Family
Fader Delay Mute
Fader Delay
Fader Delay
Fader Delay
Input to Recording/
Matrix
Ungated
Input to
Noise Cancelled
Matrix
Sound
Input to
Matrix Reinforcement
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