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| Presentation | 2015-08-03 15:20 Three-dimensional evaluation of a multi-zone sound field reproduction algorithm based on spherical harmonic analysis Taku Shimizu, Jorge Trevino, Shuichi Sakamoto, Yo-iti Suzuki (Tohoku Univ.), Tomohiko Ise (Alpine Electronics)  EA2015-14 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The sound field reproduction method known as High-Order Ambisonics(HOA) allows for the accurate presentation of spatial sound using fewer loudspeakers than competing technologies. However, its formulation limits it to a single compact reproduction zone making it inadequate for multi-user applications. To overcome this limitation, we proposed a multi-zone sound field reproduction method based on spherical harmonic analysis. This method has been evaluated only through simulations in the horizontal plane. Here, we extend the evaluation to consider the entire three-dimensional space and plane waves arriving from different elevations. Our results show that the proposed method is capable of reproducing three-dimensional sound fields. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Sound field reproduction / Spatial sound / Multi-zone sound field reproduction / Spherical harmonic analysis / High-order Ambisonics / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 169, EA2015-14, pp. 23-27, Aug. 2015. | |
| Paper # | EA2015-14 | |
| Date of Issue | 2015-07-27 (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 | EA2015-14 |
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| Conference Information | |
| Committee | EA ASJ-H |
| Conference Date | 2015-08-03 - 2015-08-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ., Research Inst. of Electrical Communication |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Psychological and Physiological Acoustics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2015-08-EA-H |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Three-dimensional evaluation of a multi-zone sound field reproduction algorithm based on spherical harmonic analysis |
| Sub Title (in English) | |
| Keyword(1) | Sound field reproduction |
| Keyword(2) | Spatial sound |
| Keyword(3) | Multi-zone sound field reproduction |
| Keyword(4) | Spherical harmonic analysis |
| Keyword(5) | High-order Ambisonics |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Taku Shimizu |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Jorge Trevino |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Shuichi Sakamoto |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Yo-iti Suzuki |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Tomohiko Ise |
| 5th Author's Affiliation | Alpine Electronics, Inc (Alpine Electronics) |
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| Speaker | Author-1 |
| Date Time | 2015-08-03 15:20:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2015-14 |
| Volume (vol) | vol.115 |
| Number (no) | no.169 |
| Page | pp.23-27 |
| #Pages | 5 |
| Date of Issue | 2015-07-27 (EA) |
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