| On application of adaptive decorrelation filtering to assistive listening. | |
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MedLine Citation:
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PMID: 11863164 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This paper describes an application of the multichannel signal processing technique of adaptive decorrelation filtering to the design of an assistive listening system. A simulated "dinner table" scenario was studied. The speech signal of a desired talker was corrupted by three simultaneous speech jammers and by a speech-shaped diffusive noise. The technique of adaptive decorrelation filtering processing was used to extract the desired speech from the interference speech and noise. The effectiveness of the assistive listening system was evaluated by observing improvements in A-weighted signal-to-noise ratio (SNR) and in sentence intelligibility, where the latter was evaluated in a listening test with eight normal hearing subjects and three subjects with hearing impairments. Significant improvements in SNR and sentence intelligibility were achieved with the use of the assistive listening system. For subjects with normal hearing, the speech reception threshold was improved by 3 to 5 dBA, and for subjects with hearing impairments, the threshold was improved by 4 to 8 dBA. |
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Authors:
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Yunxin Zhao; Kuan-Chieh Yen; Sig Soli; Shawn Gao; Andy Vermiglio |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: The Journal of the Acoustical Society of America Volume: 111 ISSN: 0001-4966 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2002 Feb |
Date Detail:
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Created Date: 2002-02-26 Completed Date: 2002-03-29 Revised Date: 2006-12-27 |
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: 1077-85 Citation Subset: IM |
Affiliation:
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Department of Computer Engineering and Computer Science, University of Missouri-Columbia, 65211, USA. zhao@cecs.missouri.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation
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instrumentation Equipment Design Hearing Aids Humans Speech Perception / physiology* Speech Reception Threshold Test |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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