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Paper Abstract and Keywords
Presentation 2022-11-29 14:35
Density Ratio Approach-based multiple Encoder-Decoder ASR model integration
Keigo Hojo, Daiki Mori, Yukoh Wakabayashi (TUT), Atsunori Ogawa (NTT), Norihide Kitaoka (TUT) NLC2022-10 SP2022-30
Abstract (in Japanese) (See Japanese page) 
(in English) One of the methods to improve the performance of Encoder--Decoder speech recognition is the integration of an ASR models and a language model. Based on the Density Ratio Approach, we propose a method to build an ASR system by integrating multiple ASR models and combining them with an external language models. The proposed method enables speech recognition use a variety of acoustic information and linguistic information that has not been learned by the ASR models. Experimental results show that the proposed method is more accurate than conventional integration methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Multiple ASR model / Integration of acoustic information / Language model replacement / Density Ratio Approach / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 288, SP2022-30, pp. 5-9, Nov. 2022.
Paper # SP2022-30 
Date of Issue 2022-11-22 (NLC, SP) 
ISSN 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 NLC2022-10 SP2022-30

Conference Information
Committee NLC IPSJ-NL SP IPSJ-SLP  
Conference Date 2022-11-29 - 2022-12-01 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2022-11-NLC-NL-SP-SLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Density Ratio Approach-based multiple Encoder-Decoder ASR model integration 
Sub Title (in English)  
Keyword(1) Multiple ASR model  
Keyword(2) Integration of acoustic information  
Keyword(3) Language model replacement  
Keyword(4) Density Ratio Approach  
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1st Author's Name Keigo Hojo  
1st Author's Affiliation Toyohashi University of Technology (TUT)
2nd Author's Name Daiki Mori  
2nd Author's Affiliation Toyohashi University of Technology (TUT)
3rd Author's Name Yukoh Wakabayashi  
3rd Author's Affiliation Toyohashi University of Technology (TUT)
4th Author's Name Atsunori Ogawa  
4th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
5th Author's Name Norihide Kitaoka  
5th Author's Affiliation Toyohashi University of Technology (TUT)
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Speaker Author-1 
Date Time 2022-11-29 14:35:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # NLC2022-10, SP2022-30 
Volume (vol) vol.122 
Number (no) no.287(NLC), no.288(SP) 
Page pp.5-9 
#Pages 5 
Date of Issue 2022-11-22 (NLC, SP) 

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