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  Contents > Previous page > Article detail print Download
o Issue N# 5 - 1999 o

AUDIOLOGY

The définition of acoustic impedance and its application to the human hearing organ


Authors : J. Pascal (Bordeaux)

Ref. : Rev Laryngol Otol Rhinol. 1999;120,5:301-303.

Article published in french



Summary : Acoustic impedance measurement at the point of entry into the external auditory meatus provides a rapid means to detect malfunctions of the middle ear in the region of the tympanic membrane, without having recourse to perforating the tympanic membrane. In this article we define acoustic impedance and provide a brief reminder of its physical properties. In the last part, we review the possibilities offered by measurement of the impedance to acoustic stimuli, not only for clinical diagnosis, but also in the understanding ot the physical phenomena occuring within the hearing organ.


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