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Paper Abstract and Keywords
Presentation 2011-11-18 14:00
State Estimation for Sound Environment Systems with Additive External Noise and State Dependent Noise
Akira Ikuta, Hisako Orimoto (Prefec. Univ. Hiroshima), Mitsuo Ohta (Hiroshima Univ.) EA2011-83
Abstract (in Japanese) (See Japanese page) 
(in English) In the actual situation of sound environment systems, the observed data often contain several fluctuation factors. Therefore, it is necessary to estimate the specific signal based on the observed data by introducing some signal processing methods. In this study, a sound environment system considering both noises of the external noise based on the additive property of energy variable and the internal noise dependent on the state variable is first paid our attention. Next, a method to estimate recursively the specific signal is derived based on Bayes’ theorem in an expansion series form suitable to a signal processing with lower and higher order statistics for the observation data. Finally, the effectiveness of the proposed method is experimentally confirmed by applying it to the actual data observed in sound environment.
Keyword (in Japanese) (See Japanese page) 
(in English) Additive Noise / State Dependent Noise / Sound Environment System / State Estimation / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 306, EA2011-83, pp. 7-12, Nov. 2011.
Paper # EA2011-83 
Date of Issue 2011-11-11 (EA) 
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)
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Conference Information
Committee EA  
Conference Date 2011-11-18 - 2011-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General Topics 
Paper Information
Registration To EA 
Conference Code 2011-11-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) State Estimation for Sound Environment Systems with Additive External Noise and State Dependent Noise 
Sub Title (in English)  
Keyword(1) Additive Noise  
Keyword(2) State Dependent Noise  
Keyword(3) Sound Environment System  
Keyword(4) State Estimation  
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1st Author's Name Akira Ikuta  
1st Author's Affiliation Prefectural University of Hiroshima (Prefec. Univ. Hiroshima)
2nd Author's Name Hisako Orimoto  
2nd Author's Affiliation Prefectural University of Hiroshima (Prefec. Univ. Hiroshima)
3rd Author's Name Mitsuo Ohta  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2011-11-18 14:00:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2011-83 
Volume (vol) vol.111 
Number (no) no.306 
Page pp.7-12 
#Pages
Date of Issue 2011-11-11 (EA) 


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