RIC Hearing Aid Coupler Measurement Correction?

How Should RIC Hearing Aids be Measured? Background When CIC (completely-in-the-canal) instruments became popular, manufacturers of hearing aid measurement equipment provided alternate couplers, and most often with software corrections, to account for the smaller residual volume of that instrument compared with other instruments that did not fit as deeply into the ear canal (traditional hearing…

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When High Noise Levels are NOT the Issue (Part II)

This is a continuation of the previous blog with the same name, but labeled Part I. The setting is the Hurricane Mesa Test Facility (HMTF) located atop Hurricane Mesa, a short drive from St. George, UT. HMTF has a 12,000 ft. test track that is fully capable of handling propulsion velocities exceeding supersonic. It is…

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