Middle ear transfer function ("Brian C. J. Moore" )

Subject: Middle ear transfer function
From:    "Brian C. J. Moore"  <bcjm(at)CUS.CAM.AC.UK>
Date:    Thu, 23 May 2002 15:50:49 +0100

Dear List, While I always hesitate to disagree with Jont Allen, my interpretation of the literature is that the middle ear transfer function, measured as the ratio of cochlear pressure to pressure at the ear drum, is not flat from 800 Hz to about 20 kHz, but is more like a bandpass function, rolling off, in humans, above 5 kHz. See: Puria, S., Rosowski, J. J. and Peake, W. T. (1997). Sound-pressure measurements in the cochlear vestibule of human-cadaver ears, J. Acoust. Soc. Am. 101, 2754-2770. Aibara, R., Welsh, J. T., Puria, S. and Goode, R. L. (2001). Human middle-ear sound transfer function and cochlear input impedance, Hear. Res. 152, 100-109. Brian C. J. Moore, Ph.D., FMedSci, FRS Professor of Auditory Perception, Department of Experimental Psychology, University of Cambridge, Downing Street, Cambridge CB2 3EB, England Tel. + 44 1223 333574 Fax. + 44 1223 333564 http://hearing.psychol.cam.ac.uk/

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