Variable matrix decoder for periphonic reproduction of sound

Details Variable matrix decoder for periphonic reproduction of sound Variable matrix decoder for periphonic reproduction of sound

1988-01-11

1990-06-05

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Quadrasonic

H04S 300

Patent

active

049320599

ABSTRACT:
An interface circuit for inclusion in the control signal path of a variable matrix decoder wherein the attack and decay time constants imposed on said control signals may be varied by means of an auxiliary circuit which responds to the total signal level applied to the decoder and to sudden changes thereof, thereby improving the dynamic performance of the variable matrix decoder.

REFERENCES:
patent: 4525855 (1985-06-01), Willcocks
patent: 4704728 (1987-11-01), Scheiber

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