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Hearing-in-noise: comparison of listeners with normal and (aided) impaired hearing.

In this study, the performance of 48 listeners with normal hearing was compared to the performance of 46 listeners with documented hearing loss. Various conditions of directional and omnidirectional hearing aid use were studied. The results indicated that when the noise around a listener was station...

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Published in:Journal of the American Academy of Audiology Vol. 15; no. 3; pp. 216 - 226
Main Authors: Bentler RA, Palmer C, Dittberner AB
Format: research tables/charts Journal Article
Published: Thieme Medical Publishing Inc. Mar2004
Online Access:View this record in EBSCOhost
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      dt: Mar2004
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      pub: Thieme Medical Publishing Inc.
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        atl: Hearing-in-noise: comparison of listeners with normal and (aided) impaired hearing.
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        au:
          Bentler RA
          Palmer C
          Dittberner AB
        affil: Department of Speech Pathology and Audiology, University of Iowa, Iowa City, IA 52242; ruth-bentler@uiowa.edu
      sug:
        subj:
          Hearing Aids
          Hearing Loss, Sensorineural
          Noise
          Speech Perception
          Adult
          Aged
          Aged, 80 and Over
          Case Control Studies
          Descriptive Statistics
          Equipment Design
          Funding Source
          Iowa
          Middle Age
          Pennsylvania
          Speech Discrimination Tests
          Students, College
          T-Tests
          Human
          Adult: 19-44 years
          Aged: 65+ years
          Aged, 80 & over
          Middle Aged: 45-64 years
      ab: In this study, the performance of 48 listeners with normal hearing was compared to the performance of 46 listeners with documented hearing loss. Various conditions of directional and omnidirectional hearing aid use were studied. The results indicated that when the noise around a listener was stationary, a first- or second-order directional microphone allowed a group of hearing-impaired listeners with mild-to-moderate, bilateral, sensorineural hearing loss to perform similarly to normal hearing listeners on a speech-in-noise task (i.e., they required the same signal-to-noise ratio to achieve 50% understanding). When the noise source was moving around the listener, only the second-order (three-microphone) system set to an adaptive directional response (where the polar pattern changes due to the change in noise location) allowed a group of hearing-impaired individuals with mild-to-moderate sensorineural hearing loss to perform similarly to young, normal-hearing individuals.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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