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Paper Abstract and Keywords
Presentation 2008-07-17 16:20
Intonation Evaluation by Combination of Multiple Evaluation Scores using Synthe0sized Voice
Tomoaki Konno, Masashi Ito (Tohoku Univ.), Motoyuki Suzuki (Tokushima Univ.), Akinori Ito, Shozo Makino (Tohoku Univ.) SP2008-49
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we describe a system for intonation evaluation of English utterance by Japanese learners using synthesized speech for a CALL system. To evaluate the intonation of learners' utterance, we need reference utterances, for which English native speakers' utterances should be used. However, it is costly to gather native speakers' utterances for all sentences in the system. Therefore, we examined an intonation evaluation method using synthesized speech. Intonation evaluation system calculates scores between a learner's utterance and corresponding utterances by the teachers. We investigated a method of combining multiple scores. In addition, we incorporated a feature for rhythm evaluation into intonation evaluation. As a result, we obtained improvement of correlation between scores by human evaluators and the system. Furthermore, we analyzed a tendency of intonation evaluation by the system through limiting evaluation utterances to find out what degrades the system performance.
Keyword (in Japanese) (See Japanese page) 
(in English) CALL / prosody / intonation / Mahalanobis distance / multiple regression / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 142, SP2008-49, pp. 37-42, July 2008.
Paper # SP2008-49 
Date of Issue 2008-07-10 (SP) 
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  
Conference Date 2008-07-17 - 2008-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Iwate Prefectural Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech Recognition, Speech Understanding, Speech Dialogue, etc. 
Paper Information
Registration To SP 
Conference Code 2008-07-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Intonation Evaluation by Combination of Multiple Evaluation Scores using Synthe0sized Voice 
Sub Title (in English)  
Keyword(1) CALL  
Keyword(2) prosody  
Keyword(3) intonation  
Keyword(4) Mahalanobis distance  
Keyword(5) multiple regression  
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1st Author's Name Tomoaki Konno  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Masashi Ito  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Motoyuki Suzuki  
3rd Author's Affiliation The University of Tokushima (Tokushima Univ.)
4th Author's Name Akinori Ito  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Shozo Makino  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2008-07-17 16:20:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2008-49 
Volume (vol) vol.108 
Number (no) no.142 
Page pp.37-42 
#Pages
Date of Issue 2008-07-10 (SP) 


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