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Paper Abstract and Keywords
Presentation 2007-09-28 13:30
Evaluation of Sound-Localization Control of Audio Objects Based on Blind Source Separation
Yuuki Haraguchi, Shigeki Miyabe, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Toshiyuki Nomura (NEC) EA2007-56
Abstract (in Japanese) (See Japanese page) 
(in English) A system which can control the localization of each sound source individually and freely is one of the anticipated audio signal processing systems in next generation. In this paper, based on blind source separation (BSS) by independent component analysis (ICA), we propose a method which can analyze and control the localization of each sound source only from the multichannel signals with which two or more sound sources are mixed. In the conventional BSS, the low-distorted separated signals are obtained by reconstructing the multichannel signals including localization information from the monaural separated signals which are distorted in separation process. In this paper, first, we propose a method to extract the information about localization of each sound source by dividing the process of BSS into two steps which are source separation and giving sound localization. Next, we propose an application which can control the localization of each sound source arbitrarily based on the proposed analysis. In the proposed application, the control of the localization of each sound source is achieved by exchanging the extracted
sound localization information or adjusting the level difference between channels. Finally, subjective evaluation results show that the proposed method can control sound localization of each sound source flexibility and individually.
Keyword (in Japanese) (See Japanese page) 
(in English) independent component analysis / blind source separation / sound-localization control / audio object / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 240, EA2007-56, pp. 7-12, Sept. 2007.
Paper # EA2007-56 
Date of Issue 2007-09-21 (EA) 
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 EA  
Conference Date 2007-09-28 - 2007-09-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Nara Institute of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To EA 
Conference Code 2007-09-EA 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Sound-Localization Control of Audio Objects Based on Blind Source Separation 
Sub Title (in English)  
Keyword(1) independent component analysis  
Keyword(2) blind source separation  
Keyword(3) sound-localization control  
Keyword(4) audio object  
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1st Author's Name Yuuki Haraguchi  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Shigeki Miyabe  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Hiroshi Saruwatari  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Kiyohiro Shikano  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
5th Author's Name Toshiyuki Nomura  
5th Author's Affiliation NEC Media and Information Research Laboratories (NEC)
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Speaker Author-1 
Date Time 2007-09-28 13:30:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2007-56 
Volume (vol) vol.107 
Number (no) no.240 
Page pp.7-12 
#Pages 6 
Date of Issue 2007-09-21 (EA) 

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