PSAP Standard Review

Legislation recently passed in the U.S. House of Representatives1 and expected to be passed soon in the U.S. Senate2, requires the FDA to establish an OTC (over-the-counter) hearing aid category for adults with perceived mild-to-moderate hearing impairment, within three years. This category is estimated to overlap the hearing levels of approximately 60-80% of all hearing aids…

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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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