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Paper Abstract and Keywords
Presentation 2009-06-26 10:00
Non-linguistic subjective evaluation of timbre based on audio-visual integration
Saori Nishida (Wakayama Univ.), Masanori Morise (Ritsumeikan Univ.), Ryuichi Nisimura, Toshio Irino, Hideki Kawahara (Wakayama Univ.) EA2009-26
Abstract (in Japanese) (See Japanese page) 
(in English) Perceptually relevant representations of timbre using two dimensional shapes are investigated aiming at establishing a framework for sound visualization based on human perception characteristics. A preference test of matching shapes to sounds was conducted using eleven sound stimuli having different prototypical power spectra and nine shapes. The results indicated that matching shapes were clearly divided into two classes depending on periodicity of the presented sounds. Perceptual correlates of shape selection were seemingly based on complexity and sharpness, while they are only subjectively defined. A set of objective descriptors of shapes based on complex number representation of their contours were introduced for further investigations on physical correlates of MDS results. These investigations indicated that normalized square root of area ratio to contour length and kurtosis have reasonable correlations with MDS axes.
Keyword (in Japanese) (See Japanese page) 
(in English) Audito-visual integration / timbre perception / MDS / contour extraction / Fourier Descriptor / kurtosis / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 100, EA2009-26, pp. 49-54, June 2009.
Paper # EA2009-26 
Date of Issue 2009-06-18 (EA) 
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 EA  
Conference Date 2009-06-25 - 2009-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To EA 
Conference Code 2009-06-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Non-linguistic subjective evaluation of timbre based on audio-visual integration 
Sub Title (in English)  
Keyword(1) Audito-visual integration  
Keyword(2) timbre perception  
Keyword(3) MDS  
Keyword(4) contour extraction  
Keyword(5) Fourier Descriptor  
Keyword(6) kurtosis  
1st Author's Name Saori Nishida  
1st Author's Affiliation Wakayama University (Wakayama Univ.)
2nd Author's Name Masanori Morise  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Ryuichi Nisimura  
3rd Author's Affiliation Wakayama University (Wakayama Univ.)
4th Author's Name Toshio Irino  
4th Author's Affiliation Wakayama University (Wakayama Univ.)
5th Author's Name Hideki Kawahara  
5th Author's Affiliation Wakayama University (Wakayama Univ.)
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Date Time 2009-06-26 10:00:00 
Presentation Time 30 
Registration for EA 
Paper # IEICE-EA2009-26 
Volume (vol) IEICE-109 
Number (no) no.100 
Page pp.49-54 
#Pages IEICE-6 
Date of Issue IEICE-EA-2009-06-18 

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