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Paper Abstract and Keywords
Presentation 2017-10-21 14:30
Development of the small microphone array for sound field reproduction system based on the boundary surface control principle.
Yutaro Kajita, Kazuki Miura, Yuko Watanabe, Shiro Ise (TDU) EA2017-50
Abstract (in Japanese) (See Japanese page) 
(in English) For the 3D-sound field reproduction system based on the boundary surface control principle, we have developed an 80-ch fullrene-shaped microphone array, referred to as a "BoSC microphone”, as a 3D-recoding device.
BoSC microphone has a diameter of approximately 46 cm so that a control area of the system has an enough space to cover the listener's head.
However, from the experience, we have found that it seems to be capable of obtaining much larger controlled area compared with the sphere size determined by its diameter, and therefore we have come up with an idea of downsizing the diameter of the BoSC microphone with efficient performance of the sound reproduction.
In this paper, we introduce a new configuration of the BoSC microphone with an half size of the diameter of the conventional one, and conduct numerical and experimental studies in order to examine the basic performance of our proposed system.
Keyword (in Japanese) (See Japanese page) 
(in English) Microphone array / Sound field reproduction / Boundary surface control principle / BoSC system / Quite zone / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 255, EA2017-50, pp. 35-39, Oct. 2017.
Paper # EA2017-50 
Date of Issue 2017-10-14 (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 ASJ-H  
Conference Date 2017-10-21 - 2017-10-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Ushidake-Onsen 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Beginners Session(Engineering/Electro Acoustics, Psychological and Physiological Acoustics, and Related Topics) 
Paper Information
Registration To EA 
Conference Code 2017-10-EA-H 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of the small microphone array for sound field reproduction system based on the boundary surface control principle. 
Sub Title (in English)  
Keyword(1) Microphone array  
Keyword(2) Sound field reproduction  
Keyword(3) Boundary surface control principle  
Keyword(4) BoSC system  
Keyword(5) Quite zone  
1st Author's Name Yutaro Kajita  
1st Author's Affiliation Tokyo Denki University (TDU)
2nd Author's Name Kazuki Miura  
2nd Author's Affiliation Tokyo Denki University (TDU)
3rd Author's Name Yuko Watanabe  
3rd Author's Affiliation Tokyo Denki University (TDU)
4th Author's Name Shiro Ise  
4th Author's Affiliation Tokyo Denki University (TDU)
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Speaker Author-1 
Date Time 2017-10-21 14:30:00 
Presentation Time 150 minutes 
Registration for EA 
Paper # EA2017-50 
Volume (vol) vol.117 
Number (no) no.255 
Page pp.35-39 
Date of Issue 2017-10-14 (EA) 

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