A Case for Mid-frequency Amplification?

Most individuals with hearing loss are affected mostly in the high frequencies. And, because consonants–those phonemes (distinctive speech sounds) that are believed to enable humans to differentiate one word from another–are high-frequency sounds, hearing aid fitting formulas universally call for high-frequency amplification. This continues to be a take-off of the old “audiogram fitting” approach (although with less…

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Hearing Aid Evolution: II

Hearing Aid Evolution: Technology and Techniques – Part II Last week’s post was the first part of a three-part series on the “Evolution of Hearing Aid Technology and Techniques – A Ride Through History.” Last week focused first on factors that drive hearing aid development and then highlighted some of the major developments (primarily hardware) that…

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