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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Asymmetrical Hearing Loss – Aided “Catch Up” Surprises

Centering Surprises in Asymmetrical Listeners H. Christopher Schweitzer and Don Kim One of the first activities in audiological assessment is that we argue with Nature.  We test one ear isolated from the other. Dr. Schweitzer is Director of HEAR 4-U International; Chief of Auditory Sciences at Able Planet, Inc.; and Senior Audiologist, Family Hearing Centers in…

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