Patent
1977-09-26
1979-04-10
Claffy, Kathleen H.
H04R 500
Patent
active
041490312
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: 3940559 (1976-02-01), Bauer
Chayt Kenneth A.
Claffy Kathleen H.
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