And The Winner Is….(Part 1)

Whenever I fit hearing protection such as Musicians’ Earplugs, I verify the function using real ear measurement.  Of course, in the design of Musicians’ Earplugs there is a correct assumption that the acoustic gain that is generated will offset the insertion loss caused by the occluding earmold.  That is, if people have a 2700 Hz…

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To vent or not to vent. That is the question – Part 3

In parts one and two of this blog series, the creation of a vent-associated resonance, called an inertance, was discussed. Venting can reduce the echoey, back pressure sensation with hearing protection for musicians, especially for brass players, some reeded woodwinds, and for vocalists.  However, the mass of air in the vent can oscillate and create…

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