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Paper Abstract and Keywords
Presentation
Proposal of structure-to-speech conversion and its application to implementation of infants' vocal imitation
Daisuke Saito, Satoshi Asakawa, Nobuaki Minematsu, Keikichi Hirose (Univ. of Tokyo) SP2008-40
Abstract (in Japanese) (See Japanese page) 
(in English) Speech acoustics vary due to differences in age, gender, vocal tract length, microphone, and so on. The authors recently proposed a structural and abstract representation of speech, where these variations were effectively removed. This representation captures only dynamics of speech. In our previous study, using this abstract representation, a new framework of speech synthesis was proposed and some fundamental investigations were carried out. In this new framework, an utterance is modeled by two separate attributes; one corresponding to what is known as speech Gestalt, which is speaker-invariant, and the other to the embodiment seen in vocal tubes, which characterizes speaker differences. Acoustic signals are generated by using the Gestalt as constraint conditions and the vocal tube embodiment as initial conditions. In other words, the Gestalt can be acoustically realized only when the speaker's embodiment is considered. This new framework can be regarded as an implementation of infants' vocal imitation. In this study, by following the initial investigations, we improve accuracy and efficiency in acoustic realization of the Gestalt by using an analytical method. Experiments of generating continuous utterances of Japanese vowels show the validity of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) structural representation / speaker invariant / vocal imitation / language acquisition / searching problem / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 116, SP2008-40, pp. 115-120, June 2008.
Paper # SP2008-40 
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) Proposal of structure-to-speech conversion and its application to implementation of infants' vocal imitation 
Sub Title (in English)  
Keyword(1) structural representation  
Keyword(2) speaker invariant  
Keyword(3) vocal imitation  
Keyword(4) language acquisition  
Keyword(5) searching problem  
Keyword(6)  
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Keyword(8)  
1st Author's Name Daisuke Saito  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Satoshi Asakawa  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
3rd Author's Name Nobuaki Minematsu  
3rd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
4th Author's Name Keikichi Hirose  
4th Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Date Time  
Presentation Time minutes 
Registration for SP 
Paper # SP2008-40 
Volume (vol) vol.108 
Number (no) no.116 
Page pp.115-120 
#Pages 6 
Date of Issue  

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