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Paper Abstract and Keywords
Presentation 2012-12-21 15:25
Syllable nucleus detection using waveform envelopes and modeling of the word acquisition process using word structures and syllable nuclei
Yousuke Ozaki, Nobuaki Minematsu, Keikichi Hirose (The Univ. of Tokyo), Donna Erickson (Showa Univ. of Music) SP2012-94
Abstract (in Japanese) (See Japanese page) 
(in English) Simulation of language acquisition processes is an active research area in speech and computer science. Here, models and hypotheses proposed in developmental psychology play important roles. Problems addressed in simulation studies may be broadly classified into two categories: (1) How to segment a continuous speech stream into words? (2) How to normalize the acoustic features that vary based on speaker and environment? The main focus of this study is put on the second problem. In our previous studies, we proposed a new speech modeling technique, called speech structures, where the non-linguistic aspect of speech is cancelled well from speech acoustics and only the linguistic aspect is represented in the model. In this study, by considering infants' good sensitivity to rhythmic structure of language, automatic detection of syllable nuclei are technically implemented using waveform envelopes. Then, the detected nuclei are used in the matching module of a structure-based word recognition system. Results show that the validity of using the syllable nuclei to improve the performance.
Keyword (in Japanese) (See Japanese page) 
(in English) language acquisition / speech normalization / Speech Structure / language rhythm / sonority / waveform envelope / syllable nucleus /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 369, SP2012-94, pp. 113-118, Dec. 2012.
Paper # SP2012-94 
Date of Issue 2012-12-13 (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)
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Conference Information
Committee SP IPSJ-SLP  
Conference Date 2012-12-20 - 2012-12-21 
Place (in Japanese) (See Japanese page) 
Place (in English) TITECH(Ookayama) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 14th Symposium on Spoken Language 
Paper Information
Registration To SP 
Conference Code 2012-12-SP-SLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Syllable nucleus detection using waveform envelopes and modeling of the word acquisition process using word structures and syllable nuclei 
Sub Title (in English)  
Keyword(1) language acquisition  
Keyword(2) speech normalization  
Keyword(3) Speech Structure  
Keyword(4) language rhythm  
Keyword(5) sonority  
Keyword(6) waveform envelope  
Keyword(7) syllable nucleus  
Keyword(8)  
1st Author's Name Yousuke Ozaki  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Nobuaki Minematsu  
2nd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
3rd Author's Name Keikichi Hirose  
3rd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
4th Author's Name Donna Erickson  
4th Author's Affiliation Showa University of Music (Showa Univ. of Music)
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Speaker Author-1 
Date Time 2012-12-21 15:25:00 
Presentation Time 90 minutes 
Registration for SP 
Paper # SP2012-94 
Volume (vol) vol.112 
Number (no) no.369 
Page pp.113-118 
#Pages 6 
Date of Issue 2012-12-13 (SP) 

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