Audio compressor combining feedback and feedfoward sidechain pro

Details Audio compressor combining feedback and feedfoward sidechain pro Audio compressor combining feedback and feedfoward sidechain pro

1993-09-03

1995-08-22

Kuntz, Curtis

Electrical audio signal processing systems and devices

Including amplitude or volume control

With amplitude compression/expansion

333 14, H03G 700

Patent

active

054447887

ABSTRACT:
An audio compressor having both a feedback compressor and a feedforward compressor. The feedback compressor operates so as to provide envelope detection. A sidechain processor which receives an input from the feedback path includes a non-linear low-pass filter and a non-linear amplifier. The output of this processor provides the gain-control signal for the feedforward compressor. The main audio path is through the feedforward compressor.

REFERENCES:
patent: 4562591 (1985-12-01), Stikvoort
patent: 4947133 (1990-08-01), Thomas
"The Dynamic Characteristics of Limiters for Sound Programme Circuits", Research Report No. EL-5, UDC 534.86: 621.395.665.1, 1967/13, The British Broadcasting Corporation Engineering Division.

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