Ambient expansion loudspeaker system

Details Ambient expansion loudspeaker system Ambient expansion loudspeaker system

1994-05-26

1997-01-14

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381 1, 381195, H04R 500, H04R 2500

Patent

active

055948014

ABSTRACT:
A sound reproduction system has audio drivers for producing audio outputs in response to a left channel signal and a right channel signal and for producing an expanded acoustic image. The sound reproduction system comprises a left audio driver for radiating left total audio information corresponding to the left channel signal along a left acoustic axis and a right audio driver for radiating right total audio information corresponding to the right channel signal along a right acoustic axis. An image expansion arrangement is provided for radiating ambience audio information corresponding to predetermined combinations of the left channel signal and the right channel signal along the same left acoustic axis and right acoustic axis as the left total audio information and the right total audio information.

REFERENCES:
patent: 3697692 (1972-10-01), Hafler
patent: 4489432 (1984-12-01), Polk
patent: 4497064 (1985-01-01), Polk
patent: 4586192 (1986-04-01), Arntson
patent: 4748669 (1988-05-01), Klayman
patent: 4847904 (1989-07-01), McShane
patent: 5117459 (1992-05-01), McShane
patent: 5263086 (1993-11-01), Yamazaki

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