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Paper Abstract and Keywords
Presentation 2011-10-07 10:30
Investigation of the normalized articulatory space for audio-visual real-time feedback of vowel speech and its application
Tadashi Sakata, Yuya Saeki, Wataru Shibata, Yuichi Ueda (Kumamoto Univ.) SP2011-61 WIT2011-43
Abstract (in Japanese) (See Japanese page) 
(in English) In speech learning of deaf children or speech rehabilitation of patients with dysarthria, an effective visual feedback of spontaneous speech is desired. Particularly, vowel formant frequencies are often used as an acoustical feature. However, since those absolute values reflect on the individual differences in vocal tract length, the relative changes of formants should be observed to know vowel phonemes. In previous study, we proposed a colored vowel visualization defined by the circular ratios of formant frequencies to normalize the vocal tract lengths, and then developed a speech visualization system. In this paper, in addition to the feature of vowel normalization in the color space, we propose a normalized articulation space representing the relative positions of jaw or tongue and then describe an application to the vowel synthesis for auditory feedback. Moreover, we introduce a real-time learning tool for vowel utterance based on the normalized articulation space.
Keyword (in Japanese) (See Japanese page) 
(in English) Vowel formant / Articultion diagram / Speech training / Visual pattern / Synthesized voice / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 225, SP2011-61, pp. 55-60, Oct. 2011.
Paper # SP2011-61 
Date of Issue 2011-09-29 (SP, WIT) 
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 WIT SP  
Conference Date 2011-10-06 - 2011-10-07 
Place (in Japanese) (See Japanese page) 
Place (in English) TFT Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Welfare and speech processing, etc. 
Paper Information
Registration To SP 
Conference Code 2011-10-WIT-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of the normalized articulatory space for audio-visual real-time feedback of vowel speech and its application 
Sub Title (in English)  
Keyword(1) Vowel formant  
Keyword(2) Articultion diagram  
Keyword(3) Speech training  
Keyword(4) Visual pattern  
Keyword(5) Synthesized voice  
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1st Author's Name Tadashi Sakata  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Yuya Saeki  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
3rd Author's Name Wataru Shibata  
3rd Author's Affiliation Kumamoto University (Kumamoto Univ.)
4th Author's Name Yuichi Ueda  
4th Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Speaker
Date Time 2011-10-07 10:30:00 
Presentation Time 30 
Registration for SP 
Paper # IEICE-SP2011-61,IEICE-WIT2011-43 
Volume (vol) IEICE-111 
Number (no) no.225(SP), no.226(WIT) 
Page pp.55-60 
#Pages IEICE-6 
Date of Issue IEICE-SP-2011-09-29,IEICE-WIT-2011-09-29 


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