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Paper Abstract and Keywords
Presentation 2008-03-20 15:15
[Poster Presentation] Investigation of usual and unusual articulation based on simulations and observations
Akikazu Nishikido, Jianwu Dang (JAIST) SP2007-190
Abstract (in Japanese) (See Japanese page) 
(in English) Inverse estimation of articulatory movement from speech signal faces a one-to-many problem. To reduce the one-to-many problem, we classify possible articulation with normal acoustic properties of speech into usual and unusual articulation, where we suppose only the usual one is used in normal speech. In the inverse estimation for normal speech, the unusual articulation must be excluded. For that reason, we generated variety of articulation using a physiological articulatory model, and synthesized speech sound from the articulation. This data set was categorized as five Japanese vowels based on the acoustic features, and was analyzed and clustered using the principal components analysis. Then, we compared the simulation with articulatory observations and derived a criterion for distinguishing the usual and unusual articulation. To evaluate the proposed criterion, articulation with some articulatory characters of the ventriloquism was simulated using the model and used for the evaluation.
Keyword (in Japanese) (See Japanese page) 
(in English) Inverse estimation / Unusual articulation / Distinctive feature / Articulatory model / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 551, SP2007-190, pp. 23-28, March 2008.
Paper # SP2007-190 
Date of Issue 2008-03-13 (SP) 
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)
Download PDF SP2007-190

Conference Information
Committee SP  
Conference Date 2008-03-20 - 2008-03-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. Tokyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English) International Workshop (Mar 20), Speech Production, Speech Perception, Hearing and Speech, etc. (Mar 21) 
Paper Information
Registration To SP 
Conference Code 2008-03-SP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of usual and unusual articulation based on simulations and observations 
Sub Title (in English)  
Keyword(1) Inverse estimation  
Keyword(2) Unusual articulation  
Keyword(3) Distinctive feature  
Keyword(4) Articulatory model  
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1st Author's Name Akikazu Nishikido  
1st Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
2nd Author's Name Jianwu Dang  
2nd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
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Speaker Author-1 
Date Time 2008-03-20 15:15:00 
Presentation Time 90 minutes 
Registration for SP 
Paper # SP2007-190 
Volume (vol) vol.107 
Number (no) no.551 
Page pp.23-28 
#Pages 6 
Date of Issue 2008-03-13 (SP) 

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