Paper Abstract and Keywords |
Presentation |
2014-03-28 16:25
Study on the directivity of microphone for multichannel audio recording Kazuho Ono (NHK-ES), Kentaro Matsui, Toshiyuki Nishiguchi (NHK) EA2013-125 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
NHK has been developing a portable single-unit microphone for the simultaneous recording of 22.2 multichannel audio. Since each channel of the multichannel audio corresponds to a direction of sound, each output of the multichannel microphone should have narrow angle directivity corresponding to the direction of each channel. This paper reports the comparison results of three methods for achieving narrow angle directivity, which are spherical microphone with acoustic baffles that partition the sphere into angular segments, line array microphone having leaky acoustic tube, and spherical microphone which have microphone elements on rigid sphere. The simulation shows that line array or sphere with acoustic baffles are proper for narrow angle directivity. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Multichannel audio / recording / microphone / directivity / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 113, no. 503, EA2013-125, pp. 31-36, March 2014. |
Paper # |
EA2013-125 |
Date of Issue |
2014-03-21 (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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EA2013-125 |
Conference Information |
Committee |
EA |
Conference Date |
2014-03-28 - 2014-03-28 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
NHK Science & Technology Research Labs. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
General topics |
Paper Information |
Registration To |
EA |
Conference Code |
2014-03-EA |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Study on the directivity of microphone for multichannel audio recording |
Sub Title (in English) |
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Multichannel audio |
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recording |
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microphone |
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directivity |
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1st Author's Name |
Kazuho Ono |
1st Author's Affiliation |
NHK Engineering System Inc. (NHK-ES) |
2nd Author's Name |
Kentaro Matsui |
2nd Author's Affiliation |
Japan Broadcasting Corporation (NHK) |
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Toshiyuki Nishiguchi |
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Japan Broadcasting Corporation (NHK) |
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Speaker |
Author-1 |
Date Time |
2014-03-28 16:25:00 |
Presentation Time |
25 minutes |
Registration for |
EA |
Paper # |
EA2013-125 |
Volume (vol) |
vol.113 |
Number (no) |
no.503 |
Page |
pp.31-36 |
#Pages |
6 |
Date of Issue |
2014-03-21 (EA) |
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