Muting circuit in a digital audio system

Details Muting circuit in a digital audio system Muting circuit in a digital audio system

1989-08-18

1991-11-05

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

375 5, 377 54, 455 54, G10L 500, G06F 1110

Patent

active

050635972

ABSTRACT:
A muting circuit in a digital audio system having a digital signal processor, a first latch, a second latch, a comparator for comparing data in the first and second latches, an address encoder, a counter, a memory, a divider, a multiplier and a switching circuit, wherein disturbing beat noises generated during the turning off of power to the system or generated null data pop noises generated in response to external influences or internal circuitry influences are muted.

REFERENCES:
patent: 4430742 (1984-02-01), Milleker et al.
patent: 4683386 (1987-07-01), Kamikawara
patent: 4811370 (1989-03-01), Yamada et al.

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