Apparatus for recording/reproducing converted four-channel audio

Details Apparatus for recording/reproducing converted four-channel audio Apparatus for recording/reproducing converted four-channel audio

1995-01-05

1998-08-04

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Storage or retrieval of spatially related acoustic signals

Quadraphonic

369 89, 381 21, 381 23, 360 18, G11B 374

Patent

active

057905002

ABSTRACT:
A recording and reproducing system is arranged to record converted two-channel audio signals obtained by using all four-channel stereophonic audio signals and audio signals of two specific channels included in the four-channel stereophonic audio signals on a recording medium as four-channel recording audio signals and, at the time of reproduction, to be capable of restoring the four-channel recording audio signals to the four-channel stereophonic audio signals and also to permit either the four-channel stereophonic audio signals or the converted two-channel audio signals to be selectively outputted.

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patent: 5172415 (1992-12-01), Fosgate
patent: 5177798 (1993-01-01), Ohsawa

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