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Paper Abstract and Keywords
Presentation 2008-11-21 13:30
A Design of Uni-Directional Array-Microphone System using Pressure-Gradient Microphone
Kiyoshi Nishikawa, Hiroyuki Takeda (Kanazawa Univ.) EA2008-96
Abstract (in Japanese) (See Japanese page) 
(in English) This paper prsents a method for designing uni-directional bloadside array-microphone of all digital constitution using directional microphone units and two-dimentional(2-D) FIR filter. As the directional microphone,a pressure-gradient microphone units is employed to perform the uni-directivity. For wide angle beamforming,2-D FIR filter is designed by mapping the equalized frequency responce of the unit into the 2-D frequency area. An example demonstrates the good uni-directivity and the wider frequency responces.
Keyword (in Japanese) (See Japanese page) 
(in English) Directional array microphone / Wide angle beam / 2-D FIR filter / Pressure-gradient microphone / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 306, EA2008-96, pp. 69-74, Nov. 2008.
Paper # EA2008-96 
Date of Issue 2008-11-13 (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 2008-11-20 - 2008-11-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To EA 
Conference Code 2008-11-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Design of Uni-Directional Array-Microphone System using Pressure-Gradient Microphone 
Sub Title (in English)  
Keyword(1) Directional array microphone  
Keyword(2) Wide angle beam  
Keyword(3) 2-D FIR filter  
Keyword(4) Pressure-gradient microphone  
1st Author's Name Kiyoshi Nishikawa  
1st Author's Affiliation Kanazawa University (Kanazawa Univ.)
2nd Author's Name Hiroyuki Takeda  
2nd Author's Affiliation Kanazawa University (Kanazawa Univ.)
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Date Time 2008-11-21 13:30:00 
Presentation Time 30 
Registration for EA 
Paper # IEICE-EA2008-96 
Volume (vol) IEICE-108 
Number (no) no.306 
Page pp.69-74 
#Pages IEICE-6 
Date of Issue IEICE-EA-2008-11-13 

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