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Paper Abstract and Keywords
Presentation 2010-10-22 16:10
Relationships between Daily Activities and Individual Acceptable Noise Levels
Ryo Tohyama, Kenji Furihata (Shinshu Univ.) EA2010-83
Abstract (in Japanese) (See Japanese page) 
(in English) In our previous paper, an experimental noise annoyance meter, which can evaluate individual acceptable noise levels based on a modified logistic prediction model was proposed. The noise annoyance meter was designed for a practical instrument for residents exposed to noise to help them understand what a physical equivalent noise level given as dB values “means” with respect to annoyance. If at least one dose-response relation is obtained from each subject, the logistic model can predict whether a sound is annoying or not from its LAeq, (5min) [dB] value. Therefore, acceptable noise levels were also predicted from previous data [2]. Because stability is largely influenced by the internal consistency or reliability of the acceptable noise level, it is also imperative to investigate the level of scale reliability at each point in daily life. In this paper, individual acceptable noise levels of 8 normal-hearing subjects at daily activities (reading and bedtime) were measured with the method of adjustment using a simulated road traffic steady noise. From the results, it can be said that (a) the internal consistency of acceptable noise levels for daily activity was verified from data of twenty times for each subject, (b) for logistic regression parameters, the bedtime activity curve estimated the midpoint M to be 40.4 dB, the spread S to be 4.5 dB, and the explained variance Pseudo-R2 to be 0.9442.
Keyword (in Japanese) (See Japanese page) 
(in English) Acceptable Noise Level / Annoyance Scale / Daily Activity / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 239, EA2010-83, pp. 151-156, Oct. 2010.
Paper # EA2010-83 
Date of Issue 2010-10-14 (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 2010-10-21 - 2010-10-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa-city Omi-cho Koryu Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General Topics 
Paper Information
Registration To EA 
Conference Code 2010-10-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relationships between Daily Activities and Individual Acceptable Noise Levels 
Sub Title (in English)  
Keyword(1) Acceptable Noise Level  
Keyword(2) Annoyance Scale  
Keyword(3) Daily Activity  
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1st Author's Name Ryo Tohyama  
1st Author's Affiliation Shinshu University (Shinshu Univ.)
2nd Author's Name Kenji Furihata  
2nd Author's Affiliation Shinshu University (Shinshu Univ.)
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Speaker Author-1 
Date Time 2010-10-22 16:10:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2010-83 
Volume (vol) vol.110 
Number (no) no.239 
Page pp.151-156 
#Pages 6 
Date of Issue 2010-10-14 (EA) 

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