Solid state echo producing system

Details Solid state echo producing system Solid state echo producing system

1975-04-07

1977-01-25

Claffy, Kathleen H.

H04R 300

Patent

active

040052680

ABSTRACT:
A solid state electronic system for producing a variable time delayed echo signal from a source of electro-audio input signals including circuitry for reducing noise. For low level signal operation, the system has means for varying the internal reference to thereby require twice as many digital bits to correspond to a given analog signal input amplitude thereby doubling the resolution when operating in said low signal mode.

REFERENCES:
patent: 3681531 (1972-08-01), Burkhard
patent: 3749837 (1973-07-01), Doryetz
patent: 3881057 (1975-04-01), Adachi

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