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Paper Abstract and Keywords
Presentation 2019-12-06 13:55
[Poster Presentation] Analysis and Subjective Labeling for Emotional Speech Database JTES
Mai Yamanaka, Takashi Nose, Yuya Chiba, Akinori Ito (Tohoku Univ.) SP2019-39
Abstract (in Japanese) (See Japanese page) 
(in English) We have constructed JTES, a prosodic balanced emotional speech database containing 50 sentences of 4 emotions of 50 men and women, totaling 20,000 utterances.
However, JTES had variations in the emotional intensity and expression, which could adversely affect emotion recognition and speech synthesis.
In this paper, in order to investigate the variation of speaker's emotional expression for improving the accuracy of speech emotion recognition, the subjective label (listener label) is given by the listener and the result is analyzed.
The subjective labels matched the emotional label of the speaker with an accuracy of 70% but some voices that could not be correctly classified were distinguished into neutral.
There is the possibility that these speeches affect emotion recognition.
Crowdsourcing was used to assign large-scale subjective labels. In order to request many people to works, we introduced some speeches to easily check the reliability.However it was not possible to use it as an index for reliability.
About 70% of the match rates between speaker labels and subjective labels for each labeler were 70%, but there was also one with less than 50%.
The labeling bias of each labeler was vectorized and compared with the average of all labeler's vectors, and 60% of the labelers were distributed at a value of about 0.5 away from the average. Since then, the number has decreased to three.
This indicates that there are individual differences in labelers.
When the emotional labels assigned to each labeler were vectorized and compared with the average of all labeler vectors, the distance was found to be distributed in the form of a normal distribution from 0.2 to 0.9, and it was clear that there were large individual differences depending on the labeler.
This indicates that there are individual differences in labelers.
Keyword (in Japanese) (See Japanese page) 
(in English) emotional label / subjective label / crowdsourcing / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 321, SP2019-39, pp. 61-66, Dec. 2019.
Paper # SP2019-39 
Date of Issue 2019-11-29 (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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF SP2019-39

Conference Information
Committee NLC IPSJ-NL SP IPSJ-SLP  
Conference Date 2019-12-04 - 2019-12-06 
Place (in Japanese) (See Japanese page) 
Place (in English) NHK Science & Technology Research Labs. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 6th Natural Language Processing Symposium & The 21th Spoken Language Symposium 
Paper Information
Registration To SP 
Conference Code 2019-12-NLC-NL-SP-SLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis and Subjective Labeling for Emotional Speech Database JTES 
Sub Title (in English)  
Keyword(1) emotional label  
Keyword(2) subjective label  
Keyword(3) crowdsourcing  
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1st Author's Name Mai Yamanaka  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Takashi Nose  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Yuya Chiba  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Akinori Ito  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2019-12-06 13:55:00 
Presentation Time 90 minutes 
Registration for SP 
Paper # SP2019-39 
Volume (vol) vol.119 
Number (no) no.321 
Page pp.61-66 
#Pages
Date of Issue 2019-11-29 (SP) 


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