Audio signal mixing system

Details Audio signal mixing system Audio signal mixing system

1974-02-11

1976-03-02

Claffy, Kathleen H.

H04R 500

Patent

active

039419312

ABSTRACT:
An audio signal mixing system having left and right channels to transmit stereophonic left and right signals and each containing monaural signals and having left and right loudspeakers to reproduce the stereophonic signals, which includes a circuit for eliminating the monaural signal in one of the left and right channels, and also includes a mixing circuit for mixing a signal derived from a microphone in the other channel with the stereophonic signals, so that two different kinds of monaural signals as well as the stereophonic signals are reproduced by each loudspeaker.

REFERENCES:
patent: 3200199 (1965-08-01), Bang
patent: 3249696 (1966-05-01), Van Sickle
patent: 3272906 (1966-09-01), De Vries et al.
patent: 3478167 (1969-11-01), Sorkin
patent: 3518375 (1970-06-01), Hawkins
patent: 3665105 (1972-05-01), Chowning

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