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Paper Abstract and Keywords
Presentation 2018-12-13 13:50
Arrangement of control points by genetic algorithm for multiple sound zone generation using multi-point control method
Daisuke Shinjo, Kazuya Yasueda, Akitoshi Kataoka (Ryukoku Univ.) EA2018-83
Abstract (in Japanese) (See Japanese page) 
(in English) We consider that the reproduction area and the suppression area are formed at the same time by using multi-point control method (MPCM) in multiple-sound zone generation. The arrangement of the reproduction point and the suppression point is an important factor determining the sound pressure level between the two areas. However, it is a placement decision based on a heuristic method, and it has not been studied. In addition, using the weighted least squares method of MPCM, performance improvement can be expected, but it is difficult to estimate the weighting coefficient set for each control point. In this study, we discuss appropriate arrangement of control points and weighting coefficients determination by defining a control point and a weighting coefficient as {it chromosomes} of genetic algorithm. As a result of experiments, we confirmed that the arrangement of control points and the weighting coefficients determined by genetic algorithm, and sound pressure level decrease compared with the conventional arrangement in the suppression area.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-point control method / Genetic algorithm / Linear loudspeaker array / Multiple-sound zone generation / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 357, EA2018-83, pp. 15-20, Dec. 2018.
Paper # EA2018-83 
Date of Issue 2018-12-06 (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 2018-12-13 - 2018-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Engineering/Electro Acoustics, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2018-12-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Arrangement of control points by genetic algorithm for multiple sound zone generation using multi-point control method 
Sub Title (in English)  
Keyword(1) Multi-point control method  
Keyword(2) Genetic algorithm  
Keyword(3) Linear loudspeaker array  
Keyword(4) Multiple-sound zone generation  
1st Author's Name Daisuke Shinjo  
1st Author's Affiliation Ryukoku University (Ryukoku Univ.)
2nd Author's Name Kazuya Yasueda  
2nd Author's Affiliation Ryukoku University (Ryukoku Univ.)
3rd Author's Name Akitoshi Kataoka  
3rd Author's Affiliation Ryukoku University (Ryukoku Univ.)
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Date Time 2018-12-13 13:50:00 
Presentation Time 25 
Registration for EA 
Paper # IEICE-EA2018-83 
Volume (vol) IEICE-118 
Number (no) no.357 
Page pp.15-20 
#Pages IEICE-6 
Date of Issue IEICE-EA-2018-12-06 

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