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| Presentation | 2018-01-23 13:00 [Poster Presentation] Filter design for the spatial sampling using beam-forming Takuma Oono, Kanji Watanabe, Masayuki Nishiguchi, Shouichi Takane, Koji Abe (Akita Pref. Univ.)  EA2017-85 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This study is aiming at the realization of spatial sound acquisition and reproduction system that can reproduce a certain sound field in another space. In our proposed method,first of all,the sound acquisition with directivity is achieved by beam-forming. This processing is aplied over whole directions cyclopaedically to obtain the sound signal which propagate from each direction. Then, the binaural signals are synthesized by summation of all signals. Each of these signals obtained by beam-forming is convoluted with the HRTF corresponding to the source directions. In the proposed spatial sound acquisition and reproduction system, each beam is weighted so that the gains of the beam are constant regardless of the frequency. In this paper, we conducted objective and subjective evaluation to verify the effect of the weighting. The results shows that the sound field with one source was reproduced accurately by weighting, especially in the low-frequency region. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | microphone array / beam-forming / spatial sampling / weighting / filter design / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 399, EA2017-85, pp. 7-14, Jan. 2018. | |
| Paper # | EA2017-85 | |
| Date of Issue | 2018-01-16 (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 | EA2017-85 |
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| Conference Information | |
| Committee | US EA |
| Conference Date | 2018-01-23 - 2018-01-24 |
| 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 | 2018-01-US-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Filter design for the spatial sampling using beam-forming |
| Sub Title (in English) | |
| Keyword(1) | microphone array |
| Keyword(2) | beam-forming |
| Keyword(3) | spatial sampling |
| Keyword(4) | weighting |
| Keyword(5) | filter design |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takuma Oono |
| 1st Author's Affiliation | Akita Prefectural University (Akita Pref. Univ.) |
| 2nd Author's Name | Kanji Watanabe |
| 2nd Author's Affiliation | Akita Prefectural University (Akita Pref. Univ.) |
| 3rd Author's Name | Masayuki Nishiguchi |
| 3rd Author's Affiliation | Akita Prefectural University (Akita Pref. Univ.) |
| 4th Author's Name | Shouichi Takane |
| 4th Author's Affiliation | Akita Prefectural University (Akita Pref. Univ.) |
| 5th Author's Name | Koji Abe |
| 5th Author's Affiliation | Akita Prefectural University (Akita Pref. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-01-23 13:00:00 |
| Presentation Time | 120 minutes |
| Registration for | EA |
| Paper # | EA2017-85 |
| Volume (vol) | vol.117 |
| Number (no) | no.399 |
| Page | pp.7-14 |
| #Pages | 8 |
| Date of Issue | 2018-01-16 (EA) |
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