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| Presentation | 2015-03-02 09:00 Wind-induced Noise Reduction in Time Domain Using Closely-aligned Two Microphones. Naoto Sakata, Hirofumi Nakajima (Kogakuin Univ.), Kazuhiro Nakadai (HRI-JP)  EA2014-72 SIP2014-113 SP2014-135 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this report, wind-induced noise reduction in time domain was investigated using closely-aligned two microphones. A linear beamforming filter in frequency domain on the basis of time frame decomposition was applied to signals in time domain. The beamforming filter’s ability of reduction for wind-induced noise was compared between with and without the time frame decomposition. As a result of performing the wind-induced noise reduction, the signal-to-noise ratio was improved by about 2 to 13 dB, for recorded signals disturbed by wind-induced noise. In case of that the filter composed of some simple delay units was employed, the time frame decomposition was very influential to the ability of reduction for wind-induced noise. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wind-induced noise / Noise reduction / Microphone array / Beamforming / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 473, EA2014-72, pp. 1-6, March 2015. | |
| Paper # | EA2014-72 | |
| Date of Issue | 2015-02-23 (EA, SIP, SP) | |
| 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 | EA2014-72 SIP2014-113 SP2014-135 |
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| Conference Information | |
| Committee | SIP EA SP |
| Conference Date | 2015-03-02 - 2015-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2015-03-SIP-EA-SP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Wind-induced Noise Reduction in Time Domain Using Closely-aligned Two Microphones. |
| Sub Title (in English) | |
| Keyword(1) | Wind-induced noise |
| Keyword(2) | Noise reduction |
| Keyword(3) | Microphone array |
| Keyword(4) | Beamforming |
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| Keyword(8) | |
| 1st Author's Name | Naoto Sakata |
| 1st Author's Affiliation | Kogakuin University (Kogakuin Univ.) |
| 2nd Author's Name | Hirofumi Nakajima |
| 2nd Author's Affiliation | Kogakuin University (Kogakuin Univ.) |
| 3rd Author's Name | Kazuhiro Nakadai |
| 3rd Author's Affiliation | Honda Research Institute Japan (HRI-JP) |
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| Speaker | Author-1 |
| Date Time | 2015-03-02 09:00:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2014-72, SIP2014-113, SP2014-135 |
| Volume (vol) | vol.114 |
| Number (no) | no.473(EA), no.474(SIP), no.475(SP) |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2015-02-23 (EA, SIP, SP) |
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