All Ears Are “Real Ears,” But That’s Not Enough!

by Christopher Schweitzer, Ph.D.   H. Christopher Schweitzer, PhD has a long history of research, development, and clinical activity related to hearing and hearing aids, and continues to own the Family Hearing Centers of Colorado. He is a frequent contributor to HHTM (Hearing Health and Technology Matters).   Background Students in Signals and Systems learn…

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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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