Title: Audio signal mixing system

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.

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Inventors: Osakabe, Yoshio (Yokohama, JA)

Application Number: 441206
Filing Date: 1974-02-11
Publication_date: 1976-03-02
Assignee: Sony Corporation (Tokyo, JA)
Primary Class(es): 381/1
Other Classes:
US Patent Ref:

3200199	Aug, 1965	Bang	179/1.
3249696	May, 1966	Van Sickle	179/1.
3272906	Sep, 1966	De Vries et al.	179/1.
3478167	Nov, 1969	Sorkin	179/1.
3518375	Jun, 1970	Hawkins	179/1.
3665105	May, 1972	Chowning	179/1.

Other Refs:
Primary Examiner: Claffy, Kathleen H.
Assistant Examiner: Olms, Douglas W.
Attorney: Hill, Gross, Simpson, Van Santen, Steadman, Chiara & Simpson