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Paper Abstract and Keywords
Presentation 2012-11-08 16:00
Prosody Generation based on HMM using Tow-stage Clustering
Yasuyuki Mitsui, Reishi Kondo, Masanori Kato (NEC) SP2012-80
Abstract (in Japanese) (See Japanese page) 
(in English) HMM-based speech synthesis can generate highly natural prosody, but there is a problem that the pitch patterns represent the accent different from the designation might be generated. In this paper, for the purpose of reducing the error of accent caused by abnormality of pitch pattern outlines in prosody generated by HMM, we propose the learning method of prosody models introduced two-stage decision tree clustering. The set of questions to be used in the first stage of clustering is configuring by the only questions about pitch pattern outlines. Then, the tree structure near the root node is constructed with only the nodes that are split by the question about pitch pattern outlines. As a result of evaluation experiments, we confirmed that the proposed method decrease the error of accent in prosody generation by HMM by half with the decision tree has the same sized structure of the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) Speech Synthesis / HMM / Prosody Generation / Desision Tree / Context Clustering / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 281, SP2012-80, pp. 49-54, Nov. 2012.
Paper # SP2012-80 
Date of Issue 2012-11-01 (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)
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Conference Information
Committee SP  
Conference Date 2012-11-08 - 2012-11-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Ichibancho Lobby, Tohoku Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech Synthesis, Generation, Prosody, etc. 
Paper Information
Registration To SP 
Conference Code 2012-11-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prosody Generation based on HMM using Tow-stage Clustering 
Sub Title (in English)  
Keyword(1) Speech Synthesis  
Keyword(2) HMM  
Keyword(3) Prosody Generation  
Keyword(4) Desision Tree  
Keyword(5) Context Clustering  
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1st Author's Name Yasuyuki Mitsui  
1st Author's Affiliation NEC Corporation (NEC)
2nd Author's Name Reishi Kondo  
2nd Author's Affiliation NEC Corporation (NEC)
3rd Author's Name Masanori Kato  
3rd Author's Affiliation NEC Corporation (NEC)
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Speaker Author-1 
Date Time 2012-11-08 16:00:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2012-80 
Volume (vol) vol.112 
Number (no) no.281 
Page pp.49-54 
#Pages
Date of Issue 2012-11-01 (SP) 


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