Device for stereophonic recording of sound events

Details Device for stereophonic recording of sound events Device for stereophonic recording of sound events

1989-06-27

1991-07-09

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Stereo sound pickup device

H04R 5027

Patent

active

050312162

ABSTRACT:
A device for the stereophonic recording of sound events by means of two microphones arranged with essentially oppositely directed orientation and mounted in replicas of the human head. The microphones are mounted in the replicas of the outer auditory meatus. The replica of the human head is limited to the replicas of the pinnae with the outer auditory meatus. Microphones with unilateral pickup effect are used and are mounted preferably in positions corresponding to the positions of the pinna openings in human heads. The microphones operate in the low-frequency range of up to approximately 1500 Hz as directional microphones and, in the frequency range above approximately 1500 Hz, operate with spectral resolution of the outer ear transmission function. The device according to the present invention provides compatibility of headset reproduction and loudspeaker reproduction.

REFERENCES:
patent: 4037064 (1977-07-01), Yasuda
patent: 4308426 (1981-12-01), Kikuchi
patent: 4410770 (1983-10-01), Hagey
patent: 4586194 (1986-04-01), Kohashi et al.
patent: 4757545 (1988-07-01), Rosander
Article-Naturliches Horen mit kunstlichem Kopf (Funkschau 6/1983, pp. 41-44).
Article-Kopf--Stereomikrofon fur Amateure (Funkschau 1974, Heft 9 pp. 305-307).

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