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Noise analysis of real-life listening situations for maximal speech audibility in hearing aid fitting.

This study attempts to prescribe hearing aid characteristics for one listening environment selected by an individual hearing aid user in order to provide better speech intelligibility than standard insertion gain prescriptions. The procedure is based on acoustic analyses of noise recorded by the use...

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Publicado en:Scandinavian Audiology Vol. 28; no. 3; pp. 179 - 190
Autores principales: Köbler S, Leijon A
Formato: research tables/charts tracings Journal Article
Publicado: Taylor & Francis Ltd Sep99
Acceso en línea:Ver este registro en EBSCOhost
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      dt: Sep99
      vid: 28
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      pub: Taylor & Francis Ltd
      place: Philadelphia, Pennsylvania
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        atl: Noise analysis of real-life listening situations for maximal speech audibility in hearing aid fitting.
      aug:
        au:
          Köbler S
          Leijon A
        affil: Karolinska Institute, Department of Ear and Skin, Section for Audiology, Stockholm, Sweden. E-mail: skb@ent.ks.se
      sug:
        subj:
          Hearing Aid Fitting
          Speech Intelligibility
          Noise Evaluation
          Funding Source
          Pilot Studies
          Auditory Threshold
          Hearing Disorders
          Female
          Male
          Middle Age
          Aged
          Aged, 80 and Over
          Clinical Assessment Tools
          Naturalistic Inquiry
          Audiorecording
          Sound Spectrography
          Equipment Design
          Human
          Middle Aged: 45-64 years
          Aged: 65+ years
          Aged, 80 & over
          Female
          Male
      ab: This study attempts to prescribe hearing aid characteristics for one listening environment selected by an individual hearing aid user in order to provide better speech intelligibility than standard insertion gain prescriptions. The procedure is based on acoustic analyses of noise recorded by the user. The main purpose is to show the feasibility of the measurement and analysis procedure as a tool to investigate the consequences of the noise characteristics of everyday hearing aid use. The Speech Intelligibility Index (SII) is used as a criterion to optimize the insertion gain frequency response of the hearing aid. The results indicate that realistic background noise information is essential to achieve the best possible speech audibility. Maximizing the SII required higher insertion gain above 5000 Hz than assumed in conventional fitting procedures. Different insertion gain frequency responses are required for different listening conditions. The measurement procedure could identify acoustic listening conditions where hearing instruments would probably give no benefit.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        tracings
        Journal Article
      ougenre: Article
    language: English
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