Method for quantitatively measuring a hearing defect

Details Method for quantitatively measuring a hearing defect Method for quantitatively measuring a hearing defect

1983-12-01

1987-01-20

Howell, Kyle L.

Surgery

Truss

Pad

379 52, 381 231, 381 682, 381153, A61B 512

Patent

active

046374027

ABSTRACT:
A method is described for measuring the hearing deficit of a person preparatory to providing a hearing aid designed in accordance with analysis of the deficit, wherein frequency bands over which hearing level is unacceptable are determined, the bands are then shifted in harmonic sustaining manner to bands over which hearing level is acceptable, and thereafter over all frequency bands parameters necessary to shape, amplify, compress and adaptively filter background noise in continuously variable and adaptive fashion so as to produce an aurally optimized signal are adjusted and recorded.

REFERENCES:
patent: 3784745 (1974-01-01), Stearns
patent: 4038496 (1977-07-01), Feezor
patent: 4289935 (1981-09-01), Zollner et al.
Thomas, I. B. et al., "The Intelligibility of Speech Transposed Downward in Frequency by One Octave", Journal of the Audio Engineering Society, vol. 18, No. 1, Feb. 1970, pp. 56-61.

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