Multichannel matrix logic and encoding systems

Details Multichannel matrix logic and encoding systems Multichannel matrix logic and encoding systems

1977-09-26

1979-05-01

Claffy, Kathleen H.

H04R 500

Patent

active

041525426

ABSTRACT:
Apparatus and methods relating to "quadrasonic" encoding and decoding systems, including synthetic supplementary channel systems, matrix logic systems, and systems employing stereo compatible matrix variations.

REFERENCES:
patent: 3824621 (1974-07-01), Suzuki
patent: 3932706 (1976-01-01), Takahashi et al.
patent: 3979564 (1976-09-01), Cho
"Principles of Coherent Communication", Andrew Viterbi, (McGraw Hill, Inc.) 1966, pp. 196-197.
"Four Channels and Compatibility", Peter Scheiber, Journal of the Audio Eng. Soc., vol. 19, No. 4, 4/1971, pp. 267-279.

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