Decoding apparatus for use in matrix four channel systems of a p

Details Decoding apparatus for use in matrix four channel systems of a p Decoding apparatus for use in matrix four channel systems of a p

1975-10-14

1976-09-21

Olms, Douglas W.

1791001TD, 1791004ST, H04R 500

Patent

active

039820696

ABSTRACT:
A four channel decoding apparatus comprises means to form signals LT+RT, LT-RT, +jLT+RT; LT+RT, LT-RT; and LT+jRT, LT-jRT, for example, from composite signals LT and RT depending upon the type of the matrix four channel systems and means for additively and subtractively combining these sum and difference signals to produce four reproduced signals.

REFERENCES:
patent: 3783192 (1974-01-01), Takahashi
patent: 3835255 (1974-09-01), Bauer
patent: 3856992 (1974-12-01), Cooper
patent: 3885801 (1975-05-01), Ito et al.
patent: 3887770 (1975-06-01), Takahashi
patent: 3934086 (1976-01-01), Takahashi

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