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| Presentation | 2013-01-30 14:30 Detection Method of Utterances out-of-Scope for Dialogue-based CALL Systems trained with Learner Corpus Yu Nagai, Xiaoyun Wang, Masafumi Nishida, Seiichi Yamamoto (Doshisha Univ.)  SP2012-100 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The progress of Automatic Speech Recognition (ASR) has pushed forward research on Computer Aided Language Learning (CALL) systems which recognize speech constructed by students on their own. Reliable recognition is still difficult for spontaneous speech by the second language speakers. We are developing a dialogue-based CALL system which shows answers in Japanese to achieve high recognition accuracy. In this paper we propose a novel classification method which classifies the speech recognition result from the recognizer using the FSA into accepted or rejected. The classification method adopts differences among acoustic likelihoods from the multiple recognizers as well as edit distances among the multiple recognizers’ outputs as features for the classifier. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Out-of-scope utterances / Automatic speech recognition / Dialogue-based CALL systems / Learner corpus / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 422, SP2012-100, pp. 13-18, Jan. 2013. | |
| Paper # | SP2012-100 | |
| Date of Issue | 2013-01-23 (SP) | |
| 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) | |
| Download PDF | SP2012-100 |
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| Conference Information | |
| Committee | SP |
| Conference Date | 2013-01-30 - 2013-01-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Doshisha Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Speech, Language, and Dialogue, etc. |
| Paper Information | |
| Registration To | SP |
| Conference Code | 2013-01-SP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Detection Method of Utterances out-of-Scope for Dialogue-based CALL Systems trained with Learner Corpus |
| Sub Title (in English) | |
| Keyword(1) | Out-of-scope utterances |
| Keyword(2) | Automatic speech recognition |
| Keyword(3) | Dialogue-based CALL systems |
| Keyword(4) | Learner corpus |
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| 1st Author's Name | Yu Nagai |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Xiaoyun Wang |
| 2nd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 3rd Author's Name | Masafumi Nishida |
| 3rd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 4th Author's Name | Seiichi Yamamoto |
| 4th Author's Affiliation | Doshisha University (Doshisha Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-01-30 14:30:00 |
| Presentation Time | 30 minutes |
| Registration for | SP |
| Paper # | SP2012-100 |
| Volume (vol) | vol.112 |
| Number (no) | no.422 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2013-01-23 (SP) |
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