Wideband Power Reflectance and Power Transmittance as Tools for Assessing Middle-Ear Function Hearing screening programs using otoacoustic emissions can have high false positive rates, due to temporary middle-ear and outer-ear disorders. This is especially the case for newborns, infants, and young children. Standard tympanometry is limited, uncomfortable, and unreliable in young ears. By incorporating wideband acoustic power flow measurements into hearing screening ... Article
Article  |   October 01, 2008
Wideband Power Reflectance and Power Transmittance as Tools for Assessing Middle-Ear Function
Author Affiliations & Notes
  • Patricia S. Jeng
    Mimosa Acoustics, Inc., Champaign, IL
  • Jont B. Allen
    Department of Electrical and Computer Engineering, University of Illinois, Urbana-Champaign, IL
  • Judi A. Lapsley Miller
    Mimosa Acoustics, Inc., Champaign, IL
  • Harry Levitt
    Advanced Hearing Concepts, Bodega Bay, CA
Article Information
Hearing & Speech Perception / Acoustics / Hearing Disorders / Articles
Article   |   October 01, 2008
Wideband Power Reflectance and Power Transmittance as Tools for Assessing Middle-Ear Function
SIG 9 Perspectives on Hearing and Hearing Disorders in Childhood, October 2008, Vol. 18, 44-57. doi:10.1044/hhdc18.2.44
SIG 9 Perspectives on Hearing and Hearing Disorders in Childhood, October 2008, Vol. 18, 44-57. doi:10.1044/hhdc18.2.44
Abstract

Hearing screening programs using otoacoustic emissions can have high false positive rates, due to temporary middle-ear and outer-ear disorders. This is especially the case for newborns, infants, and young children. Standard tympanometry is limited, uncomfortable, and unreliable in young ears. By incorporating wideband acoustic power flow measurements into hearing screening (using the same equipment), middle-ear and outer-ear disorders can be detected, thus allowing for rescreening rather than more expensive audiological referrals. Wideband acoustic power flow is described in detail and four case examples are provided for adults and children.

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