Multi-directional sound system

Details Multi-directional sound system Multi-directional sound system

1974-12-20

1977-04-05

Cardillo, Jr., Raymond F.

179 1GQ, G11B 374

Patent

active

RE0291714

ABSTRACT:
A multi-directional sound system for use in the manufacture of matrix four channel stereophono discs comprises an encoder including a plurality of phase shifters for shifting the phases of a plurality of directional input signals from discrete sound sources by angles corresponding to the directions of the sound sources and a matrix circuit for producing two channel signals, and a decoder for decoding the two channel signals for reproducing the directional input signals.

REFERENCES:
patent: 3745252 (1973-07-01), Bauer
patent: 3856992 (1974-12-01), Cooper
Scheiber, Analysing Phase-Amplitude Matrices, Preprint No. 815 (J-5), Oct. 71.

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