Acoustic signal reproducing apparatus

Details Acoustic signal reproducing apparatus Acoustic signal reproducing apparatus

1991-01-16

1993-01-19

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381 74, H04R 500

Patent

active

051812487

ABSTRACT:
An acoustic signal reproducing apparatus for reproducing acoustic signals through headphone devices is disclosed. The left channel and right channel acoustic signals are provided by a device for processing the transmission characteristics with constant transmission characteristics representing the location of an imaginary sound source relative to both of the listener's ears. The left channel and right channel acoustic signals, processed in this manner by the device for processing the transmission characteristics, are provided by an acoustic signal processing device with a level difference and a time difference consistent with changes in orientation of the user's head. In this manner, optimum binaural reproduction with respect to the imaginary sound source may be achieved.

REFERENCES:
patent: 3962543 (1976-06-01), Blauert et al.
patent: 4388494 (1983-06-01), Schone et al.
patent: 4975954 (1990-12-01), Cooper et al.
Patent Abstracts of Japan, No. 890,814 Dec. 7, 1983.
Patent Abstracts of Japan, No. 58116900 May 12, 1989.

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