Noise Cancellation Earphones and a Neat AuD Capstone Project

I recall sitting in my very first audiology class in 1979 (when tuning forks had just been invented and all hard of hearing people were using wither body worn hearing aids or large tin horns in their ears) and the instructor was trying to explain the difference in calibration between using earphones (minimal audible pressure)…

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And the winner is….(Part 2)

In part 1 of this blog series, I had talked about a patient who had a relatively rare 3000 Hz noise (music) induced hearing loss notch and not the more common one at 4000 Hz or 6000 Hz.  The ear canal resonance was at 2000 Hz as compared as opposed to the more common “average” of around…

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