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Paper Abstract and Keywords
Presentation 2019-03-14 13:30
[Poster Presentation] Prototype of an electronic earplug for music
Lixue Chen, Yoshinori Yokoo, Kohichi Matsuda, Hirofumi Nakajima (Kogakuin Univ.), Yohichi Fujisaka (RION Co., Ltd.) EA2018-104 SIP2018-110 SP2018-66
Abstract (in Japanese) (See Japanese page) 
(in English) In rock concerts and live performances, earplugs are used to prevent ear damage due to loud sounds. The authors have investigated the sound insulation performance and feeling of use of commercially available earplugs for music and reported that they are suitable for listening to music from ordinary earplugs. However, since the music ear plugs have lower sound insulation than the usual earplugs, there is a possibility that insufficient sound insufficiency may cause hearing damage in places where very large music is played. In this research, we trialed an electronic earplug that can solve this problem. Specifically, by attaching a device in which an earphone and a microphone are integrated, it is possible to automatically adjust the sound insulation amount according to the input level level. Adjustment of sound insulation amount was made mainly by applying wide dynamic range compression technology used in hearing aids. As a result of evaluating the sound insulating property of the prototype electronic earplug, it was confirmed that the sound insulation amount gradually increased from the sound pressure level of 80 dB or more, and that sound insulation of 15 dB or more was realized for the sound of 110 dB or more. Also, subjectively evaluated the feeling of use and the sound quality, it was confirmed that it is superior to the commercially available earplug for music.
Keyword (in Japanese) (See Japanese page) 
(in English) Earplug / Music / Hearing Loss Prevention / Sound Insulation Performance / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 495, EA2018-104, pp. 31-36, March 2019.
Paper # EA2018-104 
Date of Issue 2019-03-07 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 EA2018-104 SIP2018-110 SP2018-66

Conference Information
Committee EA SIP SP  
Conference Date 2019-03-14 - 2019-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) i+Land nagasaki (Nagasaki-shi) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Engineering/Electro Acoustics, Signal Processing, Speech, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2019-03-EA-SIP-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prototype of an electronic earplug for music 
Sub Title (in English)  
Keyword(1) Earplug  
Keyword(2) Music  
Keyword(3) Hearing Loss Prevention  
Keyword(4) Sound Insulation Performance  
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1st Author's Name Lixue Chen  
1st Author's Affiliation Kogakuin University (Kogakuin Univ.)
2nd Author's Name Yoshinori Yokoo  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ.)
3rd Author's Name Kohichi Matsuda  
3rd Author's Affiliation Kogakuin University (Kogakuin Univ.)
4th Author's Name Hirofumi Nakajima  
4th Author's Affiliation Kogakuin University (Kogakuin Univ.)
5th Author's Name Yohichi Fujisaka  
5th Author's Affiliation RION Company Limited (RION Co., Ltd.)
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Speaker
Date Time 2019-03-14 13:30:00 
Presentation Time 90 
Registration for EA 
Paper # IEICE-EA2018-104,IEICE-SIP2018-110,IEICE-SP2018-66 
Volume (vol) IEICE-118 
Number (no) no.495(EA), no.496(SIP), no.497(SP) 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-EA-2019-03-07,IEICE-SIP-2019-03-07,IEICE-SP-2019-03-07 


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