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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James Delk – Audiologist in Industry Pioneer

Jim Delk – Crewcut Trademark         James (Jim) Delk was one of the seven pioneers in the hearing aid industry at the manufacturing level who helped set the stage for later audiologists working for hearing aid manufacturers.  Unfortunately, most of Jim’s story will not be told.  He died August 11, 1997 in…

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