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…

Read More

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…

Read More