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| Presentation | 2015-03-02 14:45 Evaluation of Modified Amplitude Modulation Methods in the Parametric Array Loudspeaker Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.)  EA2014-83 SIP2014-124 SP2014-146 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The parametric array loudspeaker is a directional loudspeaker making use of the nonlinearity of air to create a narrow sound beam. Nonlinear distortions are commonly observed in the parametric array loudspeaker. Many preprocessing methods have been proposed to address the nonlinear distortions. The class of modified amplitude modulation methods have been developed to cater to the bandwidth of the ultrasonic emitter, but there is no published experiment result of this class of methods. This paper presents the recent experiment results of the harmonic distortion levels of the class of modified amplitude modulation methods. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Parametric array loudspeaker / Preprocessing method / Modified amplitude modulation / Harmonic distortion / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 474, SIP2014-124, pp. 67-70, March 2015. | |
| Paper # | SIP2014-124 | |
| Date of Issue | 2015-02-23 (EA, SIP, SP) | |
| 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 | EA2014-83 SIP2014-124 SP2014-146 |
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| Conference Information | |
| Committee | SIP EA SP |
| Conference Date | 2015-03-02 - 2015-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2015-03-SIP-EA-SP |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of Modified Amplitude Modulation Methods in the Parametric Array Loudspeaker |
| Sub Title (in English) | |
| Keyword(1) | Parametric array loudspeaker |
| Keyword(2) | Preprocessing method |
| Keyword(3) | Modified amplitude modulation |
| Keyword(4) | Harmonic distortion |
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| 1st Author's Name | Chuang Shi |
| 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 | 2015-03-02 14:45:00 |
| Presentation Time | 25 minutes |
| Registration for | SIP |
| Paper # | EA2014-83, SIP2014-124, SP2014-146 |
| Volume (vol) | vol.114 |
| Number (no) | no.473(EA), no.474(SIP), no.475(SP) |
| Page | pp.67-70 |
| #Pages | 4 |
| Date of Issue | 2015-02-23 (EA, SIP, SP) |
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