Conference paper

HAIN Thomas, BURGET Lukáš, DINES John, GARNER Phillip N., EL Hannani Asmaa, HUIJBREGTS Marijn, KARAFIÁT Martin, LINCOLN Mike and WAN Vincent. The AMIDA 2009 Meeting Transcription System. In: Proceedings of the 11th Annual Conference of the International Speech Communication Association (INTERSPEECH 2010). Makuhari, Chiba: International Speech Communication Association, 2010, pp. 358-361. ISBN 978-1-61782-123-3. ISSN 1990-9772.
Publication language:english
Original title:The AMIDA 2009 Meeting Transcription System
Title (cs):AMIDA 2009 systém pro rozpoznávání meetingů
Pages:358-361
Proceedings:Proceedings of the 11th Annual Conference of the International Speech Communication Association (INTERSPEECH 2010)
Conference:Interspeech 2010
Place:Makuhari, Chiba, JP
Year:2010
ISBN:978-1-61782-123-3
Journal:Proceedings of Interspeech, Vol. 2010, No. 9, FR
ISSN:1990-9772
Publisher:International Speech Communication Association
URL:http://www.fit.vutbr.cz/research/groups/speech/publi/2010/burget_interspeech2010_IS100781.pdf [PDF]
Keywords
speech recognition, meeting transcription
Annotation
The paper is on systems for close-taking, far field and speaker attributed STT conditions. The system was used at participation in the NIST RT'2009 STT evaluations.
Abstract
We present the AMIDA 2009 system for participation in the NIST RT'2009 STT evaluations. Systems for close-talking, far field and speaker attributed STT conditions are described. Improvements to our previous systems are: segmentation and diarisation; stacked bottle-neck posterior feature extraction; fMPE training of acoustic models; adaptation on complete meetings; improvements to WFST decoding; automatic optimisation of decoders and system graphs. Overall these changes gave a 6-13% relative reduction in word error rate while at the same time reducing the real-time factor by a factor of five and using considerably less data for acoustic model training.
BibTeX:
@INPROCEEDINGS{
   author = {Thomas Hain and Luk{\'{a}}{\v{s}} Burget and John Dines and
	N. Phillip Garner and Asmaa Hannani El and Marijn Huijbregts
	and Martin Karafi{\'{a}}t and Mike Lincoln and Vincent Wan},
   title = {The AMIDA 2009 Meeting Transcription System},
   pages = {358--361},
   booktitle = {Proceedings of the 11th Annual Conference of the
	International Speech Communication Association (INTERSPEECH
	2010)},
   journal = {Proceedings of Interspeech},
   volume = {2010},
   number = {9},
   year = {2010},
   location = {Makuhari, Chiba, JP},
   publisher = {International Speech Communication Association},
   ISBN = {978-1-61782-123-3},
   ISSN = {1990-9772},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php?id=9365}
}

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