Noise eliminating circuit

Details Noise eliminating circuit Noise eliminating circuit

1985-04-24

1987-07-14

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

455 63, 455223, H04H 500

Patent

active

046807934

ABSTRACT:
A noise eliminating circuit including a subsignal modulator circuit, a matrix circuit, and sample-and-hold circuits, for reducing signal distortion as well as preventing the in-circuit generation of noise. The sample-and-hold circuits are disposed in the signal paths of a main signal and the demodulated subsignal and are operated by a signal synchronous with a noise component. The holding times of the two sample-and-hold circuits may be made different from one another.

REFERENCES:
patent: 4314377 (1982-02-01), Kondo et al.
patent: 4574390 (1986-03-01), Hirohashi et al.

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