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Paper Abstract and Keywords
Presentation 2020-07-21 10:25
What is this sound in dB? -- We tried to determine students' comprehension of sound levels, online ver. --
Mari Ueda, Tetsuo Tanaka (KAIT) EA2020-10
Abstract (in Japanese) (See Japanese page) 
(in English) To examine the appropriate information disclosure method of noise as the final goal, we firstly set the goal to grasp the degree of understanding of the dB values of the sound sources among people other than acoustic experts. In this paper, first, in order to measure the degree of understanding of the dB in university students without expert knowledge, we developed a loudness chart kit and evaluated the understanding of loudness in the classes. As a result, they commonly regarded the sound volumes of the rocket and the take-off of the airplanes as first or second loudest, but the subjective ranks of other sound sources were completely different among them. Some of the students who seem to have no knowledge at all about the sound source answered unreality values entirely. Furthermore, since the university class was brought online due to the influence of the new coronavirus, we developed an online version of this teaching material. In the future, we will measure the changes in the evaluated dBs after learning the dB values. Then, we also accumulate more data about the differences of the understanding degree in dB values among the individual characteristics including their university, nationality, and whether they are environmental officials, to discuss the diagnostic criteria of the volume of the sound. Moreover, we will discuss how to learn a sense of loudness and dB.
Keyword (in Japanese) (See Japanese page) 
(in English) Sound level / Education in acoustics / University students / Teaching materials for acoustics / Online / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 118, EA2020-10, pp. 55-61, July 2020.
Paper # EA2020-10 
Date of Issue 2020-07-13 (EA) 
ISSN Online edition: ISSN 2432-6380
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 EA2020-10

Conference Information
Committee EA ASJ-H  
Conference Date 2020-07-20 - 2020-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Engineering/Electro Acoustics, Psychological and Physiological Acoustics, Musical Acoustics, Education in Acoustics, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2020-07-EA-H 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) What is this sound in dB? 
Sub Title (in English) We tried to determine students' comprehension of sound levels, online ver. 
Keyword(1) Sound level  
Keyword(2) Education in acoustics  
Keyword(3) University students  
Keyword(4) Teaching materials for acoustics  
Keyword(5) Online  
1st Author's Name Mari Ueda  
1st Author's Affiliation Kanagawa Institute of Technology (KAIT)
2nd Author's Name Tetsuo Tanaka  
2nd Author's Affiliation Kanagawa Institute of Technology (KAIT)
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Speaker Author-1 
Date Time 2020-07-21 10:25:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2020-10 
Volume (vol) vol.120 
Number (no) no.118 
Page pp.55-61 
Date of Issue 2020-07-13 (EA) 

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