About: Fast speaker adaptation in automatic online subtitling

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This 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 %. This 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)
Title	Fast speaker adaptation in automatic online subtitling Fast speaker adaptation in automatic online subtitling (en)
skos:prefLabel	Fast speaker adaptation in automatic online subtitling Fast speaker adaptation in automatic online subtitling (en)
skos:notation	RIV/49777513:23520/09:00501738!RIV10-MSM-23520___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(2C06020), P(LC536)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Pražák, Aleš Psutka jr., Josef Zajíc, Zbyněk Machlica, Lukáš
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	314704
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/09:00501738
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ASR; online subtitling; speaker adaptation; fMLLR; MAP (en)
http://linked.open.../riv/klicoveSlovo	online subtitling fMLLR MAP ASR speaker adaptation
http://linked.open...ontrolniKodProRIV	[AA59B81CDEDC]
http://linked.open...v/mistoKonaniAkce	Miláno
http://linked.open...i/riv/mistoVydani	Setúbal
http://linked.open...i/riv/nazevZdroje	Proceedings of the International Conference on Signal Processing and Multimedia Applications
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Elimination of the language barriers faced by the handicapped watchers of the Czech Television Integrated center for natural language processing
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Pražák, Aleš Psutka, Josef Machlica, Lukáš Zajíc, Zbyněk
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-07-10 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	INSTICC
https://schema.org/isbn	978-989-674-007-8
http://localhost/t...ganizacniJednotka	23520

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