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Paper Abstract and Keywords
Presentation 2023-12-03 09:30
Enhancing Recognition of Rare Words in ASR through Error Detection and Context-Aware Error Correction
Jiajun He, Zekun Yang, Tomoki Toda (Nagoya Univ.) NLC2023-16 SP2023-36
Abstract (in Japanese) (See Japanese page) 
(in English) Automatic speech recognition (ASR) systems often suffer from errors, particularly when recognizing rare words. These errors can be detrimental to downstream tasks such as keyword spotting and language understanding. To alleviate this issue, we propose an ASR error correction method that improves rare word recognition based on error detection and context-aware error correction. Our proposed method limits decoding to only the positions where corrections are required to minimize unnecessary computations. A rare word list is also used to provide additional contextual information for the model to correct errors related to rare words. Experimental results demonstrate that our proposed method outperforms previous works by a large margin in word error rate (WER) on five public datasets while also maintaining a reasonable inference speed. Additionally, the proposed method shows reasonable robustness across different ASR systems.
Keyword (in Japanese) (See Japanese page) 
(in English) automatic speech recognition / rare words / context-aware error correction / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 292, SP2023-36, pp. 13-18, Dec. 2023.
Paper # SP2023-36 
Date of Issue 2023-11-25 (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 NLC2023-16 SP2023-36

Conference Information
Committee SP NLC IPSJ-SLP IPSJ-NL  
Conference Date 2023-12-02 - 2023-12-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2023-12-SP-NLC-SLP-NL 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Enhancing Recognition of Rare Words in ASR through Error Detection and Context-Aware Error Correction 
Sub Title (in English)  
Keyword(1) automatic speech recognition  
Keyword(2) rare words  
Keyword(3) context-aware error correction  
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1st Author's Name Jiajun He  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Zekun Yang  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Tomoki Toda  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2023-12-03 09:30:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # NLC2023-16, SP2023-36 
Volume (vol) vol.123 
Number (no) no.291(NLC), no.292(SP) 
Page pp.13-18 
#Pages 6 
Date of Issue 2023-11-25 (NLC, SP) 

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