No correlation between cost of earphones and frequency response

Of the many journals I subscribe to, one is the Journal of the Acoustical Society of America.   And of the articles that are the most well-read (at least so far in 2017) is “Enhancing monochromatic multipole emission by a subwavelength enclosure of degenerate Mie resonances” and “No correlation between headphone frequency response and retail price”.  …

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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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