Hearing Aid Delay

Hearing Aid Delay Between Direct and Processed Sound    Last week’s post provided information about the delay between the direct and processed sound in digital hearing aids – hearing aid delay. All hearing aids, but especially digital, have processing delays and it has been speculated that these delays may potentially interfere with amplified sound quality of speech.…

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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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