Stereo demodulation device

Details Stereo demodulation device Stereo demodulation device

1986-03-05

1988-06-14

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

H04H 500

Patent

active

047517352

ABSTRACT:
A stereo demodulation device includes an audio signal processing circuit, a muting circuit, a muting switch, and a variable resistor. At least a given signal processing function of the audio signal processing circuit is adjusted by supplying a control current from a control terminal thereof. The muting circuit outputs or blocks an audio signal processed by the audio signal processing circuit. A muting switch is commonly connected to a control terminal of the muting circuit and the control terminal for the given signal processing function of the audio signal processing circuit. The variable resistor adjusts the control current.

REFERENCES:
patent: 4107614 (1978-08-01), Sugai
patent: 4314377 (1982-02-01), Kondo et al.
patent: 4419541 (1983-12-01), Kishi et al.

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