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Paper Abstract and Keywords
Presentation 2022-12-01 14:50
A Japanese Automatic Speech Recognition System on the Next-Gen Kaldi Framework
Wen Shen Teo, Yasuhiro Minami (UEC) NLC2022-16 SP2022-36
Abstract (in Japanese) (See Japanese page) 
(in English) 2021 saw the introduction of the cutting-edge successor to the Kaldi speech processing toolkit, known as Next-Gen Kaldi.
Leveraging on the Next-Gen Kaldi family of modules in this work, we built a streaming RNN-Transducer Japanese ASR system, trained on the Corpus of Spontaneous Japanese (CSJ).
Our E2E model shows a definitive Character Error Rate (CER) improvement over that of Kaldi, but still fall short when compared to state-of-the-art benchmarks from other frameworks enhanced by external language models trained on huge language data.
In this paper, we first explain our experiment setups and present our results. Then, in the pursuit of an end-to-end ASR system, we raise several points of discussion where the performance of our ASR model suffered.
Keyword (in Japanese) (See Japanese page) 
(in English) Next-Gen Kaldi / Corpus of Spontaneous Japanese / RNN-Transducer / Automatic Speech Recognition / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 288, SP2022-36, pp. 39-44, Nov. 2022.
Paper # SP2022-36 
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 NLC2022-16 SP2022-36

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 English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Japanese Automatic Speech Recognition System on the Next-Gen Kaldi Framework 
Sub Title (in English)  
Keyword(1) Next-Gen Kaldi  
Keyword(2) Corpus of Spontaneous Japanese  
Keyword(3) RNN-Transducer  
Keyword(4) Automatic Speech Recognition  
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Keyword(6)  
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1st Author's Name Wen Shen Teo  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Yasuhiro Minami  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2022-12-01 14:50:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # NLC2022-16, SP2022-36 
Volume (vol) vol.122 
Number (no) no.287(NLC), no.288(SP) 
Page pp.39-44 
#Pages 6 
Date of Issue 2022-11-22 (NLC, SP) 

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