Digital Hearing Aids

By: James M. Kates

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Paperback | 1 January 2008

At a Glance

Paperback
464 Pages

Dimensions(cm)
15.3 x 23 x 2.6

Paperback

$475.75

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Algorithms ranging from dynamic-range compression and directional microphones to sound classifications and binaural noise suppression are explained, providing a comprehensive explanation of signal processing approaches used in modern digital hearing aids. Because the book is intended for professional or graduate students in hearing sciences, little review is given to the mathematics applied in the topic. Chapter topics include a history of hearing-aid technology, signal processing basics, the electroacoustic system, directional microphones, adaptive and multimicrophone arrays, wind noise, feedback cancellation, dynamic-range compression, single-microphone noise suppression, spectral subtraction, spectral contrast enhancement, sound classification, and binaural signal processing. Although the author both works for and received support from a particular hearing aid manufacturer, the focus is not on commercial products or implementation but rather the principles and approaches used for different signal processing algorithms.

Industry Reviews

H. Martin, Journal of Laryngology and Otology, (2009): "I was a little daunted when I flicked thought the book, due to the many mathematical equations and circuit diagrams ... However, I need not have worried, as the book is very well written and it is possible to follow the explanations without fully appreciating the details of the equations. ... An excellent reference resource for those involved in selecting and programming hearing aids and counselling users in the limitations of their aids." Denise Hoysack, AuD, CCC-A, Otology & Neurotology, (2010): "The author does a good job of explaining the complexities involved, the capabilities, and constraints of signal processing. Additionally, the book is littered with mathematical equations, graphs, charts, and figures to ease the difficulties of understanding the concepts discussed." Ron Brouillette, PhD, Advisory Group on the Prevention of Hearing Impairments, (2009): "... The text is easily understood and complete with specifics useful to those who desire to stay current with digital hearing aids technology."

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