Audio circuit

Details Audio circuit Audio circuit

1991-12-31

1993-09-07

Ng, Jin F.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381 28, 381 89, 381 90, H04R 502

Patent

active

052436560

ABSTRACT:
In a multi-channel audio circuit, a plurality of input signals are supplied to corresponding amplifiers each respectively connected to speakers, at least one of the input signals being inverted. The speaker connected to the amplifier receiving the inverted signal is connected at a polarity opposite that of the other speakers.

REFERENCES:
patent: 3394227 (1968-07-01), Hopengarten et al.
patent: 4186273 (1980-01-01), Dodson
patent: 4204092 (1980-05-01), Bruney
patent: 4218583 (1980-08-01), Poulo
patent: 4837825 (1989-06-01), Shivers

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