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Paper Abstract and Keywords
Presentation 2009-06-24 15:45
Larygo-topographic analysis of vocal fold vibration patterns
Hiroshi Imagawa (Univ. of Tokyo/Univ. of Tokyo.), Ken-Ichi Sakakibara (Health Sci. Univ. Hokkaido), Miwako Kimura (University of Texas Southwestern Medical Center), Niro Tayama (Univ. of Tokyo./Intn'l Med. Center. of Jpn.) SP2009-27
Abstract (in Japanese) (See Japanese page) 
(in English) Laryngo-topography is a new method for analysis of digital high-speed recording of vocal fold vibrations by Fourier transform about a brightness change every pixel of consecutive images; (Granqvist et al., 2001). In this study, we develop the method of Granqvist and analyze the vibration mode of the vocal folds. As an analysis object, we used pathological cases such as the vocal fold with the cyst, unilateral vocal fold paralysis and analyzed a spatial characteristic of the vocal folds vibration.
Keyword (in Japanese) (See Japanese page) 
(in English) Pathologic voice / Vocal fold vibration / High-speed laryngoscopy / Fourier analysis / Mode of vibration / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 99, SP2009-27, pp. 23-28, June 2009.
Paper # SP2009-27 
Date of Issue 2009-06-17 (SP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 2009-06-24 - 2009-06-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Clark Memorial Hall, Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) emotional speech, prosody, voice quality, speech production and perception, brain activity, etc. 
Paper Information
Registration To SP 
Conference Code 2009-06-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Larygo-topographic analysis of vocal fold vibration patterns 
Sub Title (in English)  
Keyword(1) Pathologic voice  
Keyword(2) Vocal fold vibration  
Keyword(3) High-speed laryngoscopy  
Keyword(4) Fourier analysis  
Keyword(5) Mode of vibration  
1st Author's Name Hiroshi Imagawa  
1st Author's Affiliation University of Tokyo/Department of Otorhinolaryngology, University of Tokyo (Univ. of Tokyo/Univ. of Tokyo.)
2nd Author's Name Ken-Ichi Sakakibara  
2nd Author's Affiliation Health Sciences University of Hokkaido (Health Sci. Univ. Hokkaido)
3rd Author's Name Miwako Kimura  
3rd Author's Affiliation University of Texas Southwestern Medical Center (University of Texas Southwestern Medical Center)
4th Author's Name Niro Tayama  
4th Author's Affiliation Department of Otorhinolaryngology, University of Tokyo/International Medical Center of Japan (Univ. of Tokyo./Intn'l Med. Center. of Jpn.)
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Speaker Author-1 
Date Time 2009-06-24 15:45:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2009-27 
Volume (vol) vol.109 
Number (no) no.99 
Page pp.23-28 
Date of Issue 2009-06-17 (SP) 

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