Audio apparatus

Details Audio apparatus Audio apparatus

1996-04-12

1997-05-20

Boudreau, Leo

Electrical audio signal processing systems and devices

Headphone circuits

H04R 502

Patent

active

056319649

ABSTRACT:
Audio apparatus capable of playing music programs with desired surrounding sounds. Two sources drive two speakers having different directivities at the same time or independently. A sound field processing is performed, and the volume ratio of the two speakers having different directivities is set as desired or in accordance with a sound field pattern.

REFERENCES:
patent: 3795769 (1974-03-01), Nowka et al.
patent: 4764960 (1988-08-01), Aoki et al.
patent: 5117459 (1992-05-01), McShane
patent: 5123051 (1992-06-01), Koinuma
patent: 5321756 (1994-06-01), Patterson
patent: 5485525 (1996-01-01), Zampini et al.
"Adding A Center Speaker For Stereo" Gerald Healy vol. 66 #2; Aug. 1961.

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