In this revised and expanded second edition, graduate students and dispensing audiologists will find information on ordering hearing aids and the latest innovations in the field, such as non-linear signal processing, advances in microphone technology, and assistive listening devices. The book offers strategies on increasing user satisfaction and pointers on optimizing amplification while minimizing distortion and background noise. Some 300 diagrams and tables describe performance levels of various selections. Valente is professor of clinical otolaryngology at Washington University School of Medicine. Annotation c. Book News, Inc., Portland, OR (booknews.com)
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