Hearing-aid settings in connection to supra-threshold auditory processing deficits

Raul Sanchez Lopez*, Torsten Dau, Morten Løve Jepsen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

Plomp (1986) described the consequences of hearing impairment in speech communication as the sum of two components: attenuation and distortion. Recent studies have shown that the sensitivity to spectro-temporal modulations (STM) might be linked to speech intelligibility in noise, suggesting that supra-threshold, or “internal”, distortions would affect both speech and STM perception similarly. Furthermore, reduced sensitivity to STM may also affect a listener’s preference for a hearing aid (HA) compensation strategy. Here, speech intelligibility and STM sensitivity were measured in 20 hearing-impaired (HI) listeners. One group of the listeners (Group A) showed an inability to detect STM, whereas the other listeners (Group B) exhibited similar thresholds as the control group with young normal-hearing (NH) listeners. The two HI groups participated in a perceptual evaluation experiment using multi-stimulus comparisons (MUSHRA). The audio files were processed by a HA simulator fitted to the individual hearing loss and the performance was rated in terms of four attributes: clarity, comfort, preference and listening effort. A correlation analysis showed that clarity and preference were correlated in Group A whereas comfort and listening effort were correlated in Group B. The classification of HI listeners in auditory profiles might be valuable for efficient HA fitting.
Original languageEnglish
Title of host publicationProceedings of the International Symposium on Auditory and Audiological Research : Auditory Learning in Biological and Artificial Systems
Volume7
PublisherThe Danavox Jubilee Foundation
Publication date2020
Pages221-228
Publication statusPublished - 2020
EventInternational Symposium on Auditory and Audiological Research: Auditory Learning in Biological and Artificial Systems - Nyborg, Denmark
Duration: 21 Aug 201923 Aug 2019
http://isaar.eu

Conference

ConferenceInternational Symposium on Auditory and Audiological Research
CountryDenmark
CityNyborg
Period21/08/201923/08/2019
Internet address
SeriesProceedings of the International Symposium on Auditory and Audiological Research
Volume7

Keywords

  • Hearing aids
  • Hearing loss
  • Supra-threshold distortion
  • Spectro-temporal modulations
  • Speech intelligibility

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