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Paper Abstract and Keywords
Presentation 2012-10-27 14:15
[Poster Presentation] STUDY FOR BEAM-FORMING CONTROL METHOD IN DIGITALLY DIRECT DRIVEN SPEAKER
Ryosuke Kurosawa, Akira Yasuda, Michitaka Yoshino (Hosei Univ) EA2012-65
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed digitally direct driven speaker system (digital-SP), which reproduces sound with multi loudspeakers. A beam forming function can easily realized with the digital-SP by using several D-flip-flops, because the sub-loudspeakers are driven by 1-bit digital signals without DACs and amplifiers. In this paper, we sturdy a beam forming performance of a proposed loudspeaker whose vibration plate is excited by multi-voice coils.
Keyword (in Japanese) (See Japanese page) 
(in English) Disital-speaker / Line array speaker / Delay circuit / beam forming / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 266, EA2012-65, pp. 1-6, Oct. 2012.
Paper # EA2012-65 
Date of Issue 2012-10-20 (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)
Download PDF EA2012-65

Conference Information
Committee EA  
Conference Date 2012-10-27 - 2012-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) USHIDAKE resort (Toyama) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General topics 
Paper Information
Registration To EA 
Conference Code 2012-10-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) STUDY FOR BEAM-FORMING CONTROL METHOD IN DIGITALLY DIRECT DRIVEN SPEAKER 
Sub Title (in English)  
Keyword(1) Disital-speaker  
Keyword(2) Line array speaker  
Keyword(3) Delay circuit  
Keyword(4) beam forming  
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Keyword(6)  
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1st Author's Name Ryosuke Kurosawa  
1st Author's Affiliation Hosei Graduate School (Hosei Univ)
2nd Author's Name Akira Yasuda  
2nd Author's Affiliation Hosei Graduate School (Hosei Univ)
3rd Author's Name Michitaka Yoshino  
3rd Author's Affiliation Hosei Graduate School (Hosei Univ)
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Speaker Author-1 
Date Time 2012-10-27 14:15:00 
Presentation Time 210 minutes 
Registration for EA 
Paper # EA2012-65 
Volume (vol) vol.112 
Number (no) no.266 
Page pp.1-6 
#Pages 6 
Date of Issue 2012-10-20 (EA) 

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