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Paper Abstract and Keywords
Presentation
A Study on Automatic Scoring Methods for Language Learners' Shadowing Productions
Dean Luo, Naoya Shimomura, Nobuaki Minematsu (The Univ. of Tokyo), Yutaka Yamauchi (Tokyo International Univ.), Keikichi Hirose (The Univ. of Tokyo) SP2008-29
Abstract (in Japanese) (See Japanese page) 
(in English) Shadowing has been used as a method for improving speaking and listening ability that requires learners to repeat, or shadow, a presented native utterance as closely and as quickly as possible. Since learners have to follow the speaking rate of the input native utterance, especially in the case of beginners, their pronunciation often becomes inarticulate and corrupt. These features of shadowing make it very difficult to build a reliable scoring system for shadowed utterances. In this paper, we investigate the automatic pronunciation scoring methods for shadowing. HMM-based and clustering-based pronunciation evaluation techniques are proposed and the relationship between automatic scores and the learners’ overall English proficiency is investigated. Experiments show that good correlations are found between the automatic scores and human scores or TOEIC overall proficiency scores.
Keyword (in Japanese) (See Japanese page) 
(in English) shadowing / goodness of pronunciation / automatic scoring / articulatory effort / CALL / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 116, SP2008-29, pp. 55-60, June 2008.
Paper # SP2008-29 
Date of Issue  
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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 2008-06-27 - 2008-06-28 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech Production, Speech Perception, Hearing and Speech, etc. 
Paper Information
Registration To SP 
Conference Code 2008-06-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Automatic Scoring Methods for Language Learners' Shadowing Productions 
Sub Title (in English)  
Keyword(1) shadowing  
Keyword(2) goodness of pronunciation  
Keyword(3) automatic scoring  
Keyword(4) articulatory effort  
Keyword(5) CALL  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Dean Luo  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Naoya Shimomura  
2nd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
3rd Author's Name Nobuaki Minematsu  
3rd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
4th Author's Name Yutaka Yamauchi  
4th Author's Affiliation Tokyo International University (Tokyo International Univ.)
5th Author's Name Keikichi Hirose  
5th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
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Speaker Author-1 
Date Time  
Presentation Time minutes 
Registration for SP 
Paper # SP2008-29 
Volume (vol) vol.108 
Number (no) no.116 
Page pp.55-60 
#Pages 6 
Date of Issue  

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