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Paper Abstract and Keywords
Presentation 2020-03-03 09:00
[Poster Presentation] A study on reverberation time estimation based on regression error
Yohei Iiyama, Yutaka Kaneda (Tokyo Denki Univ.) EA2019-145 SIP2019-147 SP2019-94
Abstract (in Japanese) (See Japanese page) 
(in English) The reverberation time is obtained by linear regression of the reverberation curve calculated from a room impulse response.
In this case, the noise level of the impulse response should be less than the required value compared to the maximum instantaneous power of the impulse response in each target frequency band.
However, even if the noise level of the impulse response satisfies the above condition, the shape of the reverberation curve is affected by the extraction section of the impulse response owing to the influence of noise.
Therefore, there is a problem that the result of the reverberation time depends on the extraction section of the impulse response.
In this paper, we proposed a method of impulse response extraction and reverberation time estimation based on regression error.
In addition, we also report the results of an experiment to evaluate the performance of this method.
Keyword (in Japanese) (See Japanese page) 
(in English) reverberation time measurement / reverberation curve / linear regression / impulse response / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 439, EA2019-145, pp. 255-260, March 2020.
Paper # EA2019-145 
Date of Issue 2020-02-24 (EA, SIP, SP) 
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)
Download PDF EA2019-145 SIP2019-147 SP2019-94

Conference Information
Committee SP EA SIP  
Conference Date 2020-03-02 - 2020-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EA 
Conference Code 2020-03-SP-EA-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on reverberation time estimation based on regression error 
Sub Title (in English)  
Keyword(1) reverberation time measurement  
Keyword(2) reverberation curve  
Keyword(3) linear regression  
Keyword(4) impulse response  
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1st Author's Name Yohei Iiyama  
1st Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
2nd Author's Name Yutaka Kaneda  
2nd Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
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Speaker Author-1 
Date Time 2020-03-03 09:00:00 
Presentation Time 90 minutes 
Registration for EA 
Paper # EA2019-145, SIP2019-147, SP2019-94 
Volume (vol) vol.119 
Number (no) no.439(EA), no.440(SIP), no.441(SP) 
Page pp.255-260 
#Pages 6 
Date of Issue 2020-02-24 (EA, SIP, SP) 

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