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Paper Abstract and Keywords
Presentation 2013-06-14 14:00
Language Model Updating for Captioning of Disaster Broadcasts
Takahiro Oku, Yuya Fujita, Akio Kobayashi, Shoei Sato (NHK) SP2013-48 WIT2013-18
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a language model (LM) adaptation method for transcribing disaster broadcasts. Because the disaster itself is an unprecedented event, there might be not enough quantities of training texts for the LM adaptation in the disaster. Then, our proposed method adapts LM in an unsupervised manner by using speech recognition results in addition to the online manuscripts. The proposed method, furthermore, employs a progressive updating procedure, which adapts in a short period to reflect the latest situation of the disaster to the LM. Experimental results showed that the proposed LM adaptation method reduced relatively a word error rate by 8.2% compared with the conventional LM adaptation method with online manuscripts only.
Keyword (in Japanese) (See Japanese page) 
(in English) Unsupervised adaptation / Closed captioning / Disaster broadcasting / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 76, SP2013-48, pp. 101-106, June 2013.
Paper # SP2013-48 
Date of Issue 2013-06-06 (SP, WIT) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SP WIT  
Conference Date 2013-06-13 - 2013-06-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SP 
Conference Code 2013-06-SP-WIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Language Model Updating for Captioning of Disaster Broadcasts 
Sub Title (in English)  
Keyword(1) Unsupervised adaptation  
Keyword(2) Closed captioning  
Keyword(3) Disaster broadcasting  
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1st Author's Name Takahiro Oku  
1st Author's Affiliation NHK (NHK)
2nd Author's Name Yuya Fujita  
2nd Author's Affiliation NHK (NHK)
3rd Author's Name Akio Kobayashi  
3rd Author's Affiliation NHK (NHK)
4th Author's Name Shoei Sato  
4th Author's Affiliation NHK (NHK)
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Speaker Author-1 
Date Time 2013-06-14 14:00:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2013-48, WIT2013-18 
Volume (vol) vol.113 
Number (no) no.76(SP), no.77(WIT) 
Page pp.101-106 
#Pages
Date of Issue 2013-06-06 (SP, WIT) 


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