Three channel audio transmission and/or reproduction systems

Details Three channel audio transmission and/or reproduction systems Three channel audio transmission and/or reproduction systems

1991-04-29

1993-01-19

Ng, Jin F.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Center channel

381 2, 381 3, 381 4, 381 19, H04R 500

Patent

active

051812495

ABSTRACT:
In order to permit three-component (left, right and back) audio signals (LS, RS, BS) to be conveyed by a three-channel (left, right and mono) transmission system and still permit stereo and mono compatibility, the signals are encoded so that the three channels carry LS-1/2BS, RS-1/2BS and LS+RS+BS, respectively. Upon receipt, the signals can be decoded back to LS, RS and BS respectively. In a mono receiver without such a decoder, the signal LS+RS+BS on the mono channel is employed, and in a stereo receiver the signals LS-1/2BS and RS-1/2BS on the stereo channels are employed.

REFERENCES:
patent: 3280258 (1966-10-01), Curtis
patent: 4516257 (1985-05-01), Torick
patent: 4980915 (1990-12-01), Ishikawa
RCA Technical Notes Three Channel FM Band Stereo System Francis Raymond Holt, Nov., 1959.

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