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Essentials of Hearing Aid Selection, Part 2: It's in the Numbers |
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by Joel M. Mynders, BC-HIS |
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Hearing aid selection is a critical step in the amplification process. With today’s vast array of choices in hearing instrument technology, where do you start? Part 2 of this three-part series examines hearing aid selection by measurement, matrices, and prescriptive formulae. |
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Suprathreshold Testing: The Nuts and Bolts of Modern Fittings |
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by Jay B. McSpaden, PhD, BC-HIS, and Larry Brethower, BC-HIS |
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A patient’s stimulated auditory response should never exceed their loudness discomfort level (LDL) at any frequency, or there is a good chance they will reject the fitting. Here are the basics on testing for loudness discomfort. |
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Reducing the Negative Effects of Reverberation in Hearing Aid Processing |
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by H. Christopher Schweitzer, PhD, and Desmond A. Smith |
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In some cases, processing properties of AGC hearing aids may be contributing to the difficulties encountered by hearing aid wearers, says this technical report. A look at this premise and the development of an alternative processing approach to reduce reverberation is offered. |
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Changing with the Times: Managing Low-Frequency Hearing Loss |
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by Francis Kuk, PhD, Denise Keenan, MA, and Carl Ludvigsen, MS |
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Current thinking on managing a low frequency hearing loss supports the use of broadband, multichannel WDRC hearing aids. In this way, both the low frequency and mid-to-high frequency cochlear fibers can be stimulated. This article examines the issues and decisions involved when fitting reverse-slope losses. |
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Tech Focus: Impression Materials and Accessories |
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A review of the latest in impression material technology and related accessories.
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A Moisture Resistant Switch for Improving the Robustness of BTEs |
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by Bryan Knott and Sergei Kochkin, PhD |
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A technical review of a new moisture-resistant sealed switch for hearing aids. |
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