Reproduction of sound

Details Reproduction of sound Reproduction of sound

1974-01-03

1981-02-17

Olms, Douglas W.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 89, H04S 302

Patent

active

042516854

ABSTRACT:
In a sound reproduction system which enables the listener to distinguish between signals from in front and behind as well as signals on the left and the right, only two independent transmission channels are employed. The contributions to the signals in the two transmission channels relating to a sound source at a particular azimuth have the same amplitude and frequency and differ in phase by an amount indicating the azimuth of such source.

REFERENCES:
patent: 3813494 (1974-05-01), Bauer
patent: 3856992 (1974-12-01), Cooper
Analysing Phase Amplitude Matrices by Scheiber, Audio Engineering Society, Preprint Oct. 8, 1971.
Discrete-Matrix Multichannel Stereo by Cooper et al., Journal Audio Engineering Society, Jun. 72, pp. 346-360, presented Oct. 7, 1971.

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