Apparatus and method for audiometric assessment

Details Apparatus and method for audiometric assessment Apparatus and method for audiometric assessment

1979-09-18

1982-03-23

Hecker, Stuart N.

Surgery

Truss

Pad

128746, A61B 512

Patent

active

043214274

ABSTRACT:
An apparatus for producing sounds of selectable pitch, quality and sound pressure level and a method for using the apparatus in assessing a person's hearing are disclosed. The apparatus includes a function generator for generating the fundamental frequency of the sound to be produced, a formant filter circuit for passing only one or more resonant frequencies of the fundamental frequency so as to vary the quality of the sound to be produced, and a level control for varying the loudness of the sound to be produced. The method of the invention includes adjusting the apparatus of the invention so as to produce sounds similar to those a patient produces in his own speech and using such sounds to assess the patient's hearing skills.

REFERENCES:
patent: 2229206 (1941-01-01), Cubert
patent: 3721764 (1973-03-01), Dunn
patent: 4099035 (1978-07-01), Yanick
patent: 4139730 (1979-02-01), Franklin

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