eardrum hearing aid fitting influence

Tympanic Membrane – Anatomical Influence on Hearing Aid Fittings

Descriptions of the ear canal, and understanding not just its anatomy, but also its termination (tympanic membrane/eardrum), have significant implications for the taking of ear impressions, and also for any device that couples an auditory device to the ear.  There are certain issues that have always bothered me relative to this topic, so I decided…

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The Development of Hearing Tests – Using Tones and Noises

Development of Hearing Tests No specific event or development can be considered the origin of hearing tests as we identify them today.  Still, in the early 19th century, a couple of separate developments opened a pathway.  On one hand, there was a growing need for improved diagnoses and description of disease entities, and as a…

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