A Bit of History on Standards for Acoustical Measurements of Hearing Aids Measurements and specifications for hearing aids date back to the early 1930s. At that time the Council on Physical Medicine of the American Medical Association provided guidelines for acceptable performance of hearing aids. The Council evaluated the acoustic performance of new models of hearing aids and the instructions and guarantees ... Perspective
Perspective  |   June 01, 1999
A Bit of History on Standards for Acoustical Measurements of Hearing Aids
 
Author Affiliations & Notes
  • Samuel F. Lybarger
    Radioear Corporation (Retired President), McMurray, PA
  • David A. Preves
    Research and Product Development, Micro-Tech, Plymouth, MN
  • Wayne O. Olsen
    Emeritus Professor of Audiology, Mayo Medical School, Rochester, MN 55905
Article Information
Hearing Aids, Cochlear Implants & Assistive Technology / Perspectives
Perspective   |   June 01, 1999
A Bit of History on Standards for Acoustical Measurements of Hearing Aids
American Journal of Audiology, June 1999, Vol. 8, 3-5. doi:10.1044/1059-0889(1999/005)
History: Received August 3, 1998 , Accepted December 14, 1998
 
American Journal of Audiology, June 1999, Vol. 8, 3-5. doi:10.1044/1059-0889(1999/005)
History: Received August 3, 1998; Accepted December 14, 1998
Measurements and specifications for hearing aids date back to the early 1930s. At that time the Council on Physical Medicine of the American Medical Association provided guidelines for acceptable performance of hearing aids. The Council evaluated the acoustic performance of new models of hearing aids and the instructions and guarantees accompanying them, and also investigated claims made in hearing aid advertisements. In seeking acceptance of a hearing aid by the Council, it was necessary for the manufacturer to provide engineering data relative to the amount of amplification it afforded, the effects of tone control adjustments, battery drain, and so forth. A stock sample of the device was provided for testing by an impartial acoustical physicist (Silverman & Taylor, 1947).
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