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| Presentation | 2011-03-18 13:45 Multi-loudspeaker system for removing cooped-up feeling Kenji Sugimoto, Kota Takahashi (UEC)  EA2010-130 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, multi-loudspeaker systems are being widely used.However, mono sound sources and stereo sound sources still prevail as a source of music. Some methods for extending output channels are required when playing these sound sources on a multiple loudspeaker system. If channels were simply extended using an identical signal, cooped-up feeling is caused by the interference of signals. The purpose of this study is to build playing method of a signal on multiple loudspeakers to removing cooped-up feeling and high realistic sensation. We design a multi-loudspeaker system and analyzed what was happening with the interference of sound by sound pressure distribution. Based on this analysis, the multiple channel playing method with frequency band dividing method are proposed. In order to overcome drawbacks of the problem using a time-invariant filter system based on the multiple channels playing, a new design method of time-variant and adaptive filter system is also proposed. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Multi-channel audio system / Multi-loudspeaker system / High realistic sensation / Frequency band dividing method / Time-varying filter / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 471, EA2010-130, pp. 23-28, March 2011. | |
| Paper # | EA2010-130 | |
| Date of Issue | 2011-03-11 (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 | EA2010-130 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2011-03-18 - 2011-03-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2011-03-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Multi-loudspeaker system for removing cooped-up feeling |
| Sub Title (in English) | |
| Keyword(1) | Multi-channel audio system |
| Keyword(2) | Multi-loudspeaker system |
| Keyword(3) | High realistic sensation |
| Keyword(4) | Frequency band dividing method |
| Keyword(5) | Time-varying filter |
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| Keyword(8) | |
| 1st Author's Name | Kenji Sugimoto |
| 1st Author's Affiliation | The University of Electro-Communications (UEC) |
| 2nd Author's Name | Kota Takahashi |
| 2nd Author's Affiliation | The University of Electro-Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2011-03-18 13:45:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2010-130 |
| Volume (vol) | vol.110 |
| Number (no) | no.471 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2011-03-11 (EA) |
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