Two channel audio communication system

Details Two channel audio communication system Two channel audio communication system

1983-08-02

1986-05-13

George, Keith E.

179 81B, H04M 908

Patent

active

045888590

ABSTRACT:
A two channel intercommunication system has a high degree of noise immunity. The gain of each channel is controlled by a gain control loop processing circuit. The signal condition in one channel turns off the other channel. Multiple active rectifier-filter circuits discriminte between speech and noise and provide timing of control signals.

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