The First Wearable Digital Hearing Aid – History, Part 2

Design Considerations Involved in Going From Analog to Digital Technology     Last week’s post provided background on how the first wearable digital hearing aid was developed.  This post will continue this historical highlight leading to one of the most disruptive developments related to hearing aid technology – the digital hearing aid.  Specifically, this post…

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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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