Variability of Gain Versus Frequency Characteristics in Hearing Aids Full-on gain versus frequency response curves were obtained from ten different hearing aid models using 15 samples of each model. A mean curve and the range of responses from 20 discrete frequency points were plotted for each model along with the manufacturer’s published curve at full-on gain values. While about ... Research Article
Research Article  |   June 01, 1967
Variability of Gain Versus Frequency Characteristics in Hearing Aids
 
Author Affiliations & Notes
  • Roger N. Kasten
    Veterans Administration Hospital, Washington, D. C.
  • Stephen H. Lotterman
    Veterans Administration Hospital, Washington, D. C.
  • Sally G. Revoile
    Veterans Administration Hospital, Washington, D. C.
Article Information
Research Articles
Research Article   |   June 01, 1967
Variability of Gain Versus Frequency Characteristics in Hearing Aids
Journal of Speech, Language, and Hearing Research, June 1967, Vol. 10, 377-383. doi:10.1044/jshr.1002.377
 
Journal of Speech, Language, and Hearing Research, June 1967, Vol. 10, 377-383. doi:10.1044/jshr.1002.377

Full-on gain versus frequency response curves were obtained from ten different hearing aid models using 15 samples of each model. A mean curve and the range of responses from 20 discrete frequency points were plotted for each model along with the manufacturer’s published curve at full-on gain values. While about half of the models tested showed good intragroup consistency, the variability of gain characteristics for the remaining models was large. The mean gain versus frequency curves of the sample aids differed from those published by the manufacrurer for about half of the models tested.

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