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| Presentation | 2015-11-13 14:00 Spatial post-filter estimation in environment of multiple noise with different spatial characteristics. Mizuki Ohno, Akitoshi Kataoka (Ryukoku Univ.)  EA2015-37 EMM2015-58 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Beamformer and Wiener post-filter has been proposed as array signal processing technique to emphasize the target signal in noisy environment. In directional noise environment, the target signal can be emphasized by giving directivity in the direction of the target source by using beamformer. On the other hand, in diffuse noise environment,the target signal is emphasized by Wiener-post-filter applying in the beamformer output. However, In directional/diffuse noise environment, Performance of both beamformer and Wiener post-filter is reduced. In this paper, we propose a method for suppressing directional noise and diffuse noise at the same time, developing robust Wiener post-filter in diffuse noise environment using spatial cross-spectrum estimation. Using spatial cross-spectral estimation, we estimate the target signal, diffuse noise and directional noise with high accuracy based on difference in spatial characteristics of sound source. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | microphone array / directional noise suppression / diffuse noise suppression / beamformer / Wiener post-filter / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 302, EA2015-37, pp. 75-80, Nov. 2015. | |
| Paper # | EA2015-37 | |
| Date of Issue | 2015-11-05 (EA, EMM) | |
| 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 | EA2015-37 EMM2015-58 |
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| Conference Information | |
| Committee | EA EMM |
| Conference Date | 2015-11-12 - 2015-11-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumamoto Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Multimedia Fusion, Content Processing, Multimedia Retrieval, Digital Watermarking, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2015-11-EA-EMM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spatial post-filter estimation in environment of multiple noise with different spatial characteristics. |
| Sub Title (in English) | |
| Keyword(1) | microphone array |
| Keyword(2) | directional noise suppression |
| Keyword(3) | diffuse noise suppression |
| Keyword(4) | beamformer |
| Keyword(5) | Wiener post-filter |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Mizuki Ohno |
| 1st Author's Affiliation | Ryukoku Univercity (Ryukoku Univ.) |
| 2nd Author's Name | Akitoshi Kataoka |
| 2nd Author's Affiliation | Ryukoku Univercity (Ryukoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-11-13 14:00:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2015-37, EMM2015-58 |
| Volume (vol) | vol.115 |
| Number (no) | no.302(EA), no.303(EMM) |
| Page | pp.75-80 |
| #Pages | 6 |
| Date of Issue | 2015-11-05 (EA, EMM) |
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