Hearing aid with locating microphones

Details Hearing aid with locating microphones Hearing aid with locating microphones

1986-10-14

1988-09-20

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 685, H04R 2500, H04R 132, H04R 140

Patent

active

047730951

ABSTRACT:
A hearing aid which can be built into a frame, such as eyeglasses, to be worn by a hearing-impaired person has a first microphone arrangement having a directional reception pattern, and a second microphone arrangement for sound locating. The second microphone arrangement includes a first locating microphone disposed in the region of one ear of the hearing-impaired person, and a second locating microphone disposed in the region of the other ear. The signal from both locating microphones are mixed by a low-pass filter with the signal from the microphone arrangement having a directional reception pattern, and the output of the mixing operation is supplied in common to both ears of the hearing-impaired person.

REFERENCES:
patent: 3247330 (1966-04-01), Hinman
patent: 3458668 (1969-07-01), Hassler
patent: 3789163 (1974-01-01), Dunlavy
patent: 3835263 (1974-09-01), Killon
patent: 4052571 (1977-10-01), Gregory et al.
patent: 4451709 (1984-05-01), Waxman
patent: 4622440 (1986-11-01), Slavin
Davis, Hallowell. "Hearing and Deafness, A Guide for Laymen", Murray Hill Books, New York 1947, pp. 183-185.

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