OTC Hearing Aid Fittings

Both PCAST (President’s Council of Advisors on Science and Technology) and NAS (National Academies of Sciences) have recommended that OTC hearing aid (over-the-counter) sales be permitted for mild-to-moderate hearing losses. Additionally, the SB 9 Over-the-Counter Hearing Aid Act of 2016 introduced by Senators Warren and Grassley Senate Bill further requires that the FDA (Food and…

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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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