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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RIC Hearing Aid Coupler Measurement Correction?

How Should RIC Hearing Aids be Measured? Background When CIC (completely-in-the-canal) instruments became popular, manufacturers of hearing aid measurement equipment provided alternate couplers, and most often with software corrections, to account for the smaller residual volume of that instrument compared with other instruments that did not fit as deeply into the ear canal (traditional hearing…

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