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Paper Abstract and Keywords
Presentation 2016-09-05 16:45
Acoustic event detection and removal using LSTM-CTC for speech recognition
Yu Nasu (former Toshiba), Hiroshi Fujimura (Toshiba) PRMU2016-69 IBISML2016-24
Abstract (in Japanese) (See Japanese page) 
(in English) Deep learning techniques have drastically increased the speech recognition performance. However, there are few practical applications utilizing spontaneous speech recognition because of the difficulty compared to read speech recognition. Spontaneous speech is challenging to recognize due to various causes. In particular, acoustic events such as fillers and hesitation disfluencies can degrade speech recognition accuracy. In this paper, we propose a speech recognition system with simultaneous modeling of phonemes and acoustic events using an LSTM-CTC acoustic model, which efficiently detects or removes acoustic events in recognition outputs.
Keyword (in Japanese) (See Japanese page) 
(in English) speech recognition / acoustic modeling / LSTM / CTC / acoustic event detection / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 208, PRMU2016-69, pp. 121-126, Sept. 2016.
Paper # PRMU2016-69 
Date of Issue 2016-08-29 (PRMU, IBISML) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 PRMU2016-69 IBISML2016-24

Conference Information
Conference Date 2016-09-05 - 2016-09-06 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To PRMU 
Conference Code 2016-09-PRMU-CVIM-IBISML 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acoustic event detection and removal using LSTM-CTC for speech recognition 
Sub Title (in English)  
Keyword(1) speech recognition  
Keyword(2) acoustic modeling  
Keyword(3) LSTM  
Keyword(4) CTC  
Keyword(5) acoustic event detection  
1st Author's Name Yu Nasu  
1st Author's Affiliation former Corporate Research and Development Center, Toshiba Corporation (former Toshiba)
2nd Author's Name Hiroshi Fujimura  
2nd Author's Affiliation Corporate Research and Development Center, Toshiba Corporation (Toshiba)
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Date Time 2016-09-05 16:45:00 
Presentation Time 30 
Registration for PRMU 
Paper # IEICE-PRMU2016-69,IEICE-IBISML2016-24 
Volume (vol) IEICE-116 
Number (no) no.208(PRMU), no.209(IBISML) 
Page pp.121-126 
#Pages IEICE-6 
Date of Issue IEICE-PRMU-2016-08-29,IEICE-IBISML-2016-08-29 

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