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dc.contributor.authorChieh-Cheng Chengen_US
dc.contributor.authorWei-Han Liuen_US
dc.contributor.authorChia-Hsing Yangen_US
dc.contributor.authorJwu-Sheng Huen_US
dc.date.accessioned2014-12-08T15:24:47Z-
dc.date.available2014-12-08T15:24:47Z-
dc.date.issued2006en_US
dc.identifier.isbn978-1-4244-0099-7en_US
dc.identifier.issn1062-922Xen_US
dc.identifier.urihttp://hdl.handle.net/11536/17233-
dc.identifier.urihttp://dx.doi.org/10.1109/ICSMC.2006.385246en_US
dc.description.abstractThis work proposes a novel and robust adaptive speech enhancement system, which contains both time-domain and frequency-domain beamformers using H. filtering approach in vehicle environments. A corresponding microphone array data acquisition hardware is also designed and implemented. Traditionally, mutually matched microphones are needed, but this requirement is not practical. To conquer this issue, the proposed system adapts the mismatch dynamics to allow unmatched microphones to be used in an array. Furthermore, to achieve a satisfactory speech recognition performance, the speech recognizer is usually required to be retrained for different vehicle environments due to different noise characteristics and channel effects. The channel effect usually causes the modeling error in a channel recovery process because of the long channel response. The proposed system using the H. filtering approach, which makes no assumptions about noise and disturbance, is robust to the modeling error. Consequently, the proposed frequency-domain beamformer provides a satisfactory performance without the need to retrain the speech recognizer.en_US
dc.language.isoen_USen_US
dc.titleA robust speech enhancement system for vehicular applications using H(infinity) adaptive filteringen_US
dc.typeProceedings Paperen_US
dc.identifier.doi10.1109/ICSMC.2006.385246en_US
dc.identifier.journal2006 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN, AND CYBERNETICS, VOLS 1-6, PROCEEDINGSen_US
dc.citation.spage2541en_US
dc.citation.epage2546en_US
dc.contributor.department電控工程研究所zh_TW
dc.contributor.departmentInstitute of Electrical and Control Engineeringen_US
dc.identifier.wosnumberWOS:000248078502129-
Appears in Collections:Conferences Paper


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