SAGE Reference - Encyclopedia of Perception

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Hearing Aids

In: Encyclopedia of Perception
Edited by: E. Bruce Goldstein
Subject:Sensation & Perception
Keywords:hearing aids

Approximately 30 million U.S. citizens have a magnitude of hearing loss that is sufficient to benefit from hearing aids. Unfortunately, for a variety of reasons, only 5 to 6 million U.S. citizens currently wear hearing aids. This entry reviews the basic function of hearing aids and provides information on some of the latest advances in hearing aid technology.

Basic Functions

Hearing aids consist of a microphone(s) that converts the incoming acoustic signal to an electrical signal that is a duplication of the acoustic spectrum of the incoming signal. This conversion is followed by an amplifier that magnifies the signal received from the microphone. This stage is typically followed by a multichannel digital signal processor (DSP) that manipulates the amplified signal to match the magnitude and configuration of ...

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  Goldstein, E. B. (2010). Hearing aids. In Encyclopedia of perception (Vol. 1, pp. 482-483). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412972000.n153
  
  Goldstein, E. B. "Hearing Aids." In Encyclopedia of Perception, edited by Goldstein, E. Bruce., 482-83. Thousand Oaks, CA: SAGE Publications, Inc., 2010. https://dx.doi.org/10.4135/9781412972000.n153.
  
  Goldstein, E. B. 2010. Hearing Aids. In: E. B. Goldstein Editor, 2010. Encyclopedia of Perception, Thousand Oaks, CA: SAGE Publications, Inc. pp. 482-483 Available at: <https://dx.doi.org/10.4135/9781412972000.n153> [Accessed 4 Jul 2022].
  
  Goldstein, E. B. "Hearing Aids." Encyclopedia of Perception. Edited by Vol. 1. Thousand Oaks: SAGE Publications, Inc., 2010, pp. 482-83. SAGE Knowledge. 4 Jul 2022, doi: https://dx.doi.org/10.4135/9781412972000.n153.
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