Audio reproduction systems

Details Audio reproduction systems Audio reproduction systems

1997-05-05

1999-06-29

Chang, Vivian

Electrical audio signal processing systems and devices

Binaural and stereophonic

381123, 381 74, H04R 500

Patent

active

059179163

ABSTRACT:
Stereophonic sound reproduction apparatus comprising an input means (2) for producing binaural signals, cross-talk cancellation means, (10) loudspeaker means, (20, 22) headphone means, (26) and a switch means (12, 18, 24, 30, 32) which in a first position (plug 24 not inserted in socket 18) couples the binaural signals from the input means (2) to the loudspeaker means (20, 22) through the cross-talk cancellation means (10) and in a second position (plug 24 inserted in socket 18) renders the cross-talk cancellation means (10) inoperable and couples the binaural signals from the input means (2) to the headphones (26).

REFERENCES:
patent: 4349698 (1982-09-01), Iwahara
patent: 5056148 (1991-10-01), Hayashi
patent: 5161198 (1992-11-01), Noble
patent: 5448646 (1995-09-01), Lucey et al.
patent: 5581626 (1996-12-01), Palmer

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