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| Presentation | 2009-01-29 14:15 An Evaluation of Linearization Methods for Loudspeaker Systems Using Dynamic Distortion Method Shoichi Kitagawa, Yoshinobu Kajikawa (Kansai Univ.)  EA2008-119 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we demonstrate the compensation effect of the nonlinear distortions for the loudspeaker system using the dynamic distortion method. In order to compensate the nonlinear distortions, it is necessary to design the linearization system using the Volterra filter or the Mirror filter which uses the motion equation of the loudspeaker system related to the nonlinear distortions. The swept sine wave is usually used for the verification of the compensation effect of the nonlinear distortions. However, the evaluation result is not always corresponding to the actual situations because the input signals to loudspeaker systems are a wideband signal like music and voice signals. Hence, we have used the dynamic distortion method using the white noise and examined the compensation effect considering up to the $2^{nd}$-order nonlinear distorion. In this paper, we examine the compensation effect using the linearization system considering up to the $3^{rd}$-order nonlinear distorion and the Mirror filter. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | loudspeaker system / dynamic distortion method / Volterra filter / Mirror filter / nonlinear distortion / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 411, EA2008-119, pp. 19-24, Jan. 2009. | |
| Paper # | EA2008-119 | |
| Date of Issue | 2009-01-22 (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 | EA2008-119 |
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| Conference Information | |
| Committee | EA US |
| Conference Date | 2009-01-29 - 2009-01-30 |
| 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 | 2009-01-EA-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Evaluation of Linearization Methods for Loudspeaker Systems Using Dynamic Distortion Method |
| Sub Title (in English) | |
| Keyword(1) | loudspeaker system |
| Keyword(2) | dynamic distortion method |
| Keyword(3) | Volterra filter |
| Keyword(4) | Mirror filter |
| Keyword(5) | nonlinear distortion |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shoichi Kitagawa |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Yoshinobu Kajikawa |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-01-29 14:15:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2008-119 |
| Volume (vol) | vol.108 |
| Number (no) | no.411 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2009-01-22 (EA) |
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