Method and apparatus for quadraphonic enhancement of stereophoni

Details Method and apparatus for quadraphonic enhancement of stereophoni Method and apparatus for quadraphonic enhancement of stereophoni

1975-02-10

1976-07-27

Olms, Douglas W.

1791004ST, H04R 500

Patent

active

039718905

ABSTRACT:
Method and apparatus are described for translating or "encoding" the left and right signals from a stereophonic source such that when the signals are reproduced by a four-channel decoder the resulting sound field is highly simulative of that produced from a quadraphonically-encoded record.

REFERENCES:
patent: 3684835 (1972-08-01), Orban
patent: 3745254 (1973-07-01), Ohta et al.
patent: 3757047 (1973-09-01), Ito et al.
patent: 3761631 (1973-09-01), Ito et al.
patent: 3835255 (1974-09-01), Bauer
patent: 3885101 (1975-05-01), Ito et al.
patent: 3892918 (1975-07-01), Takahashi et al.

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