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Paper Abstract and Keywords
Presentation 2016-11-18 11:35
Study on modeling of room impulse response and its room acoustic parameters
Masashi Unoki, Daisuke Ishikawa, Yuta Kashihara, Maori Kobayashi, Masato Akagi (JAIST) EA2016-61 EMM2016-67
Abstract (in Japanese) (See Japanese page) 
(in English) Stochastic models of the room impulse response (RIR) are widely used to represent the measured RIR as parametric representation and to calculate room acoustic indices. There are two typical models: Schroeder's and the generalized RIR models. The former model can accurately represent the decay of reverberation and reverberation time, however calculation errors increased when the direct sound does not locate on the origin, i.e., RIR
has an onset transition. The later model can be extended by adding one parameter to Schroeder’s model as the simplest model and it can correctly calculate the room acoustic indices. However, this model has a problem for correctly calculating time-domain indices such as reverberation time and Deutlichkeit. In this paper, an extension of RIR model has been proposed to solve these problems. This model is extended from Schroeder’s RIR by adding different two parameters so that it seems to be more complex rather than the generalized RIR model. This model can adequately represent the room acoustic indices in both time and frequency domains. This paper showed that the proposed method could adequately reprint RIR as well as the room acoustic indices comparison with typical
methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Room impulse response (RIR) / Schroeder's RIR model / generalized RIR model / extended RIR model / modulation transfer function / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 302, EA2016-61, pp. 79-84, Nov. 2016.
Paper # EA2016-61 
Date of Issue 2016-11-10 (EA, EMM) 
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 EMM  
Conference Date 2016-11-17 - 2016-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Compal Hall (Oita) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multimedia Fusion, Content Processing, Multimedia Retrieval, Digital Watermarking, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2016-11-EA-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on modeling of room impulse response and its room acoustic parameters 
Sub Title (in English)  
Keyword(1) Room impulse response (RIR)  
Keyword(2) Schroeder's RIR model  
Keyword(3) generalized RIR model  
Keyword(4) extended RIR model  
Keyword(5) modulation transfer function  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Masashi Unoki  
1st Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
2nd Author's Name Daisuke Ishikawa  
2nd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
3rd Author's Name Yuta Kashihara  
3rd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
4th Author's Name Maori Kobayashi  
4th Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
5th Author's Name Masato Akagi  
5th Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
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Speaker Author-1 
Date Time 2016-11-18 11:35:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2016-61, EMM2016-67 
Volume (vol) vol.116 
Number (no) no.302(EA), no.303(EMM) 
Page pp.79-84 
#Pages 6 
Date of Issue 2016-11-10 (EA, EMM) 

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