Directional enhancement circuit

Details Directional enhancement circuit Directional enhancement circuit

1985-09-12

1987-09-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Quadrasonic

H04R 500

Patent

active

046960368

ABSTRACT:
A system for receiving a plurality of audio input signals encoded with sound directions drives a plurality of loudspeakers which are physically arranged to generate apparent sound images in relation to encoded sound directions. The encoded input signals are analyzed for determining whether one encoded sound direction exceeds a predominance threshold with respect to other encoded sound directions. Logic control signals are generated for indicating directionality of predominant sound directions. In response to generated logic signals, the directional stability of the apparent sound images is enhanced.

REFERENCES:
patent: 3835255 (1974-09-01), Bauer
patent: 4574391 (1986-03-01), Morishima
patent: 4589129 (1986-05-01), Blackmer et al.

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