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dc.contributor.authorPražák, Aleš
dc.contributor.authorZajíc, Zbyněk
dc.contributor.authorMachlica, Lukáš
dc.contributor.authorPsutka, Josef V.
dc.date.accessioned2015-12-08T10:55:52Z-
dc.date.available2015-12-08T10:55:52Z-
dc.date.issued2009
dc.identifier.citationPRAŽÁK, Aleš; ZAJÍC, Zbyněk; MACHLICA, Lukáš; PSUTKA, Josef V. Rychlá adaptace v úloze online automatického titulkováníí­. In: Milano: International Conference on Signal Processing and Multimedia Applications SIGMAP 2009, July 7-10, Milano, Italy. SIGMAP, 2009, p. 126-130.en
dc.identifier.urihttp://www.kky.zcu.cz/cs/publications/AlesPrazak_2009_FastSpeaker
dc.identifier.urihttp://hdl.handle.net/11025/16934
dc.format6 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherSIGMAPcs
dc.rights© Alešˇ Pražák - Zbyněk Zajíc - Lukáš Machlica - Josef V. Psutkacs
dc.subjectASRcs
dc.subjectonline titulkovánícs
dc.subjectMAPcs
dc.subjectfMLLRcs
dc.titleFast speaker adaptation in automatic online subtitlingen
dc.title.alternativeRychlá adaptace v úloze online automatického titulkovánícs
dc.typečlánekcs
dc.typearticleen
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedThis paper deals with speaker adaptation techniques well suited for the task of online subtitling. Two methods are briefly discussed, namely MAP adaptation and fMLLR. The main emphasis is laid on the description of improvements involved in the process of adaptation subject to the time requirements. Since the adaptation data are gathered continuously, simple modifications of the accumulated statistics have to be carried out in order to make the adaptation more accurate. Another proposed improvement efficiently employs the combination of fMLLR and MAP. In the case of online adaptation no prior transcriptions of the data are available. They are handled by a recognition system, thus it is suitable to assign a well-applied confidence measure to each of the transcriptions. We have performed experiments focused on the trade-off between the adaptation speed and the amount of adaptation data. We were able to gain a relative reduction of WER 16.2 %.en
dc.subject.translatedASRen
dc.subject.translatedonline subtitlingen
dc.subject.translatedMAPen
dc.subject.translatedfMLLRen
dc.type.statusPeer-revieweden
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Články / Articles (NTIS)

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