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Paper Abstract and Keywords
Presentation 2025-03-04 13:25
[Poster Presentation] Study on Acoustic Analysis of Microspeakers Based on Electromagnetic-Structural-Acoustic Coupling
Kakeru Yamaguchi, Shota Toyooka (Kansai Univ.), Kenta Iwai (Ritsumeikan Univ.), Shunsuke Kita (ORIST), Yoshinobu Kajikawa (Kansai Univ.) EA2024-157 SIP2024-192 SP2024-98
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we report on the acoustic analysis of a micro speaker using electromagnetic-structural-acoustic coupling. We compare the effectiveness of a new numerical analysis method that incorporates magnetic field analysis using FEM with a conventional method such as structural acoustic coupling analysis using the equivalent circuit method and FEM. Their effectiveness in the acoustic analysis for a small acoustic device is evaluated using both numerical methods. In addition, we verify the effect of setting material parameters (especially parameters related to diaphragms and permanent magnets) and adding magnetic field analysis on the frequency characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) Finite Element Method (FEM) / microspeaker / Electromagnetic-Structural-Acoustic Coupled Analysis / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 389, EA2024-157, pp. 481-485, March 2025.
Paper # EA2024-157 
Date of Issue 2025-02-23 (EA, SIP, SP) 
ISSN 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 EA2024-157 SIP2024-192 SP2024-98

Conference Information
Committee EA SIP SP IPSJ-SLP  
Conference Date 2025-03-02 - 2025-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EA 
Conference Code 2025-03-EA-SIP-SP-SLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Acoustic Analysis of Microspeakers Based on Electromagnetic-Structural-Acoustic Coupling 
Sub Title (in English)  
Keyword(1) Finite Element Method (FEM)  
Keyword(2) microspeaker  
Keyword(3) Electromagnetic-Structural-Acoustic Coupled Analysis  
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1st Author's Name Kakeru Yamaguchi  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Shota Toyooka  
2nd Author's Affiliation Kansai University (Kansai Univ.)
3rd Author's Name Kenta Iwai  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
4th Author's Name Shunsuke Kita  
4th Author's Affiliation Osaka Research Institute of Industrial Science and Technology (ORIST)
5th Author's Name Yoshinobu Kajikawa  
5th Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2025-03-04 13:25:00 
Presentation Time 80 minutes 
Registration for EA 
Paper # EA2024-157, SIP2024-192, SP2024-98 
Volume (vol) vol.124 
Number (no) no.389(EA), no.390(SIP), no.391(SP) 
Page pp.481-485 
#Pages 5 
Date of Issue 2025-02-23 (EA, SIP, SP) 

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