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Paper Abstract and Keywords
Presentation 2011-10-28 13:30
Reconstruction of a Logistic Model of Acceptable Noise Levels for Road Traffic Noise
Ryuji Nakagomi, Sho Arai, Kenji Furihata (Shinshu Univ) EA2011-69
Abstract (in Japanese) (See Japanese page) 
(in English) Annoyance to noise is probably a good measure of the potential for complaint and community action. Each individual’s degree of annoyance to noise cannot be accurately predicted from conventional laboratory studies and social surveys. Therefore, a logistic prediction model for individual acceptable noise levels has been developed. An annoyance scale using the most frequently used annoyance ratings related to noise for community noise assessment in Japan was constructed. The dose-response relationships were obtained by actually listening to sounds in a field situation 1474 subjects carried out at 14 metropolitan cities in Japan. The logistic prediction model was developed using the logistic regression parameters estimated from each cumulative percentage curve of seven annoyance scale scores based on all data n=2940. However, because the logistic prediction model is completed, we need to resolve the wide dynamic range of noise annoyance; “the threshold of hearing” and “intolerable annoyance” for road traffic noise. In the psychoacoustic listening test a direct method was applied. From the results, (a) the cumulative p% of the threshold of hearing curve increases at higher levels monotonically as a psychometric logistic function of LAeq,5 min[dB]; the midpoint M is 14.65 dB and the spread S is 2.20 dB, (b) from the cumulative p% of the intolerable annoying curve, a midpoint M of 92.21 dB and a spread S of 3.14 dB were estimated.
Keyword (in Japanese) (See Japanese page) 
(in English) Logistic function / Acceptable noise level / LAeq,T / Threshold of hearing / Intolerable annoyance / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 270, EA2011-69, pp. 7-12, Oct. 2011.
Paper # EA2011-69 
Date of Issue 2011-10-21 (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)
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Conference Information
Committee EA  
Conference Date 2011-10-28 - 2011-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Faculty of Engineering, Shinshu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General Topics 
Paper Information
Registration To EA 
Conference Code 2011-10-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reconstruction of a Logistic Model of Acceptable Noise Levels for Road Traffic Noise 
Sub Title (in English)  
Keyword(1) Logistic function  
Keyword(2) Acceptable noise level  
Keyword(3) LAeq,T  
Keyword(4) Threshold of hearing  
Keyword(5) Intolerable annoyance  
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Keyword(7)  
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1st Author's Name Ryuji Nakagomi  
1st Author's Affiliation Shinshu University (Shinshu Univ)
2nd Author's Name Sho Arai  
2nd Author's Affiliation Shinshu University (Shinshu Univ)
3rd Author's Name Kenji Furihata  
3rd Author's Affiliation Shinshu University (Shinshu Univ)
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Speaker Author-1 
Date Time 2011-10-28 13:30:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2011-69 
Volume (vol) vol.111 
Number (no) no.270 
Page pp.7-12 
#Pages 6 
Date of Issue 2011-10-21 (EA) 

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