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Paper Abstract and Keywords
Presentation 2014-03-14 11:15
Application of multi-modal speech interface in real environments
Takumi Seko, Takuya Kawasaki, Satoshi Tamura, Satoru Hayamizu (Gifu Univ.) PRMU2013-199
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes multi-modal speech interface for mobile devices such as smart phones, which is based on multi-modal speech recognition using speech waveforms and mouth image sequences. In our multi-modal speech interface, server-client model is employed; voice activity detection and feature extraction for every modalities are conducted on a mobile device, subsequently multi-modal speech recognition is performed on a recognition server. In addition, model adaptation technique is also utilized in our framework. Experiments were conducted using our multi-modal speech interface. Japanese connected-digit audio and visual data by 16 subjects were recorded in various real environments, e.g. office, outside, in-car, and station. In audio-only experiments, model adaptation improved recognition performance successfully in some conditions, on the other hand, some issues were found in heavily noisy conditions. In visual-only experiments, we have achieved performance improvement of lipreading by using speech recognition results and applying the model adaptation technique. We also investigate and discuss some issues about voice activity detection, visual features, and audio-visual integration.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-modal speech interface / speech recognition / lipreading / model adaptation / multi-modal speech recognition / real environment / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 493, PRMU2013-199, pp. 185-190, March 2014.
Paper # PRMU2013-199 
Date of Issue 2014-03-06 (PRMU) 
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 PRMU  
Conference Date 2014-03-13 - 2014-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2014-03-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Application of multi-modal speech interface in real environments 
Sub Title (in English)  
Keyword(1) multi-modal speech interface  
Keyword(2) speech recognition  
Keyword(3) lipreading  
Keyword(4) model adaptation  
Keyword(5) multi-modal speech recognition  
Keyword(6) real environment  
Keyword(7)  
Keyword(8)  
1st Author's Name Takumi Seko  
1st Author's Affiliation Gifu University (Gifu Univ.)
2nd Author's Name Takuya Kawasaki  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Satoshi Tamura  
3rd Author's Affiliation Gifu University (Gifu Univ.)
4th Author's Name Satoru Hayamizu  
4th Author's Affiliation Gifu University (Gifu Univ.)
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Speaker Author-1 
Date Time 2014-03-14 11:15:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2013-199 
Volume (vol) vol.113 
Number (no) no.493 
Page pp.185-190 
#Pages 6 
Date of Issue 2014-03-06 (PRMU) 

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