The Human Ear

The Human Ear – Auricle/Pinna The human ear is an important defining feature of the human face.  It has subtle structures that convey signs of age and sex that are unmistakable, yet not easily defined. The anatomy of the external ear, also known as the auricle or pinna, is complex and remarkably inaccurately described by…

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The Mysterious Cartilaginous/Bony Ear Canal Junction

Research related to the occlusion effect (OE) suggests that the OE is minimized when contact of the ear insert (closed coupled in this case) is made with the bony ear canal1,2.  Measurements of the OE for various in-canal devices are numerous and essentially support this conclusion.  But, to what extent does the cartilaginous/bony ear canal…

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