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Conference Paper: Effects of excitation spread on the intelligibility of mandarin speech in cochlear implant simulations

TitleEffects of excitation spread on the intelligibility of mandarin speech in cochlear implant simulations
Authors
KeywordsCochlear implant
Excitation spread
Mandarin speech perception
Issue Date2012
PublisherIEEE, Signal Processing Society.
Citation
The 8th International Symposium on Chinese Spoken Language Processing (ISCSLP 2012), Hong Kong, China, 5-8 December 2012. In International Symposium on Chinese Spoken Language Processing Proceedings, p. 35-39, article no. 6423502 How to Cite?
AbstractNoisy listening conditions remain challenging for most cochlear implant patients. The present study simulated the effects of decay rates of excitation spread in cochlear implants on the intelligibility of Mandarin speech in noise. Mandarin sentence and tone stimuli were processed by noise-vocoder, and presented to normal-hearing listeners for identification. The decay rates of excitation spread were simulated by varying the slopes of synthesis filters in noise-vocoder. Experimental results showed that significant benefit for Mandarin sentence recognition in noise was observed with narrower type of excitation. The performance of Mandarin tone identification was relatively robust to the influence of excitation spread. The results in the present study suggest that reducing the decay rates of excitation spread may potentially improve the speech perception in noise for cochlear implants in the future. © 2012 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/185165
ISBN

 

DC FieldValueLanguage
dc.contributor.authorChen, Fen_US
dc.contributor.authorGuan, Ten_US
dc.contributor.authorWong, LLNen_US
dc.date.accessioned2013-07-15T10:35:45Z-
dc.date.available2013-07-15T10:35:45Z-
dc.date.issued2012en_US
dc.identifier.citationThe 8th International Symposium on Chinese Spoken Language Processing (ISCSLP 2012), Hong Kong, China, 5-8 December 2012. In International Symposium on Chinese Spoken Language Processing Proceedings, p. 35-39, article no. 6423502en_US
dc.identifier.isbn978-1-4673-2507-3-
dc.identifier.urihttp://hdl.handle.net/10722/185165-
dc.description.abstractNoisy listening conditions remain challenging for most cochlear implant patients. The present study simulated the effects of decay rates of excitation spread in cochlear implants on the intelligibility of Mandarin speech in noise. Mandarin sentence and tone stimuli were processed by noise-vocoder, and presented to normal-hearing listeners for identification. The decay rates of excitation spread were simulated by varying the slopes of synthesis filters in noise-vocoder. Experimental results showed that significant benefit for Mandarin sentence recognition in noise was observed with narrower type of excitation. The performance of Mandarin tone identification was relatively robust to the influence of excitation spread. The results in the present study suggest that reducing the decay rates of excitation spread may potentially improve the speech perception in noise for cochlear implants in the future. © 2012 IEEE.-
dc.languageengen_US
dc.publisherIEEE, Signal Processing Society.-
dc.relation.ispartofInternational Symposium on Chinese Spoken Language Processing Proceedingsen_US
dc.rightsInternational Symposium on Chinese Spoken Language Processing Proceedings. Copyright © IEEE, Signal Processing Society.-
dc.rights©2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCochlear implant-
dc.subjectExcitation spread-
dc.subjectMandarin speech perception-
dc.titleEffects of excitation spread on the intelligibility of mandarin speech in cochlear implant simulationsen_US
dc.typeConference_Paperen_US
dc.identifier.emailChen, F: feichen1@hku.hken_US
dc.identifier.emailWong, LLN: llnwong@hku.hken_US
dc.identifier.authorityChen, F=rp01593en_US
dc.identifier.authorityWong, LLN=rp00975en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/ISCSLP.2012.6423502-
dc.identifier.scopuseid_2-s2.0-84874450948-
dc.identifier.hkuros212730en_US
dc.identifier.hkuros216313-
dc.identifier.spage35en_US
dc.identifier.epage39en_US
dc.customcontrol.immutablesml 130722-

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