| Prediction of binaural speech intelligibility when using non-linear hearing aids. | |
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MedLine Citation:
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PMID: 20330489 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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A new objective measurement system is proposed to predict speech intelligibility in binaural listening conditions for use with hearing aids. Digital processing inside a hearing aid often involves non-linear operations such as clipping, compression, and noise reduction algorithms. Standard objective measures such as the articulation index, the speech intelligibility index (SII), and the speech transmission index have been developed for monaural listening. Binaural extensions of these measures have been proposed in the literature, essentially consisting of a binaural pre-processing stage followed by monaural intelligibility prediction using the better ear or the binaurally enhanced signal. In this work, a three-stage non-linear extension of the binaural SII approach is introduced consisting of (1) a stage to deal with non-linear processing based on a simple signal separation scheme to recover estimates of speech and noise signals at the output of hearing aids [Hagerman and Olofsson, Acust. Acta Acust. 90, 356 (2004)], (2) a binaural processing stage using the equalization-cancellation model [Beutelmann and Brand, J. Acoust. Soc. Am. 120, 331 (2006)], and (3) a stage for intelligibility prediction using the monaural SII [ANSI-S3.5, 1997 (R2007)]. Details of the new procedure will be discussed. [Research supported by NSERC (Canada).]. |
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Authors:
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Nicolas N Ellaham; Christian Gigu?re; Wail Gueaieb |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of the Acoustical Society of America Volume: 127 ISSN: 1520-8524 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-03-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: United States |
Other Details:
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Languages: eng Pagination: 1848 Citation Subset: IM |
Affiliation:
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School of Inf. Tech. and Eng., Univ. of Ottawa, 800 King Edward Ave., Ottawa, ON K1N 6N5, Canada, nellaham@uottawa.caUniv. of Ottawa, Ottawa, ON K1H 8M5, CanadaUniv. of Ottawa, Ottawa, ON, K1N 6N5, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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