The Occlusion Effect with Musicians’ Earplugs – part 1

A significant proportion of my clientele at the Musicians’ Clinics of Canada are for “second opinions”.  Recently I had a referral where a trombone player was fit with ER-15 musicians’ earplugs but was complaining of the occlusion effect.  The ear impressions were remade with a much longer earmold bore but the occlusion complaints remained. Indeed…

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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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