Effect of preffered volume setting on speech audibility in different hearing aid circuits

P. E. Souza*, V. J. Kitch

*Corresponding author for this work

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

This study compared preferred volume setting for linear peak clipping, compression limiting, and wide dynamic range compression (WDRC) amplification and quantified speech audibility at the preferred volume setting for each amplification type. Ten listeners with mild-to-moderate hearing loss were fitted monaurally with a behind-the-ear hearing aid programmed sequentially with WDRC, compression limiting, and linear peak clipping amplification. Speech was presented in quiet and in noise at a range of input levels. In each condition, the listener adjusted the volume for maximum clarity. Signal levels were measured using a probe microphone system. There was no significant difference in speech audibility between amplification strategies for any speech level regardless of the presence or absence of background noise. These results imply that the improved audibility advantage of WDRC over linear amplification demonstrated in controlled environments may not be maintained in situations where the hearing aid wearer controls the volume.

Original languageEnglish (US)
Pages (from-to)415-422
Number of pages8
JournalJournal of the American Academy of Audiology
Volume12
Issue number8
StatePublished - Jan 1 2001

Keywords

  • Amplification
  • Audibility
  • Clarity
  • Preffered volume

ASJC Scopus subject areas

  • Speech and Hearing

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