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CLC number: TP391.4

On-line Access: 2013-07-05

Received: 2012-12-29

Revision Accepted: 2013-05-12

Crosschecked: 2013-06-06

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Journal of Zhejiang University SCIENCE C 2013 Vol.14 No.7 P.573-582

http://doi.org/10.1631/jzus.CIDE1310


Speaker-independent speech emotion recognition by fusion of functional and accompanying paralanguage features


Author(s):  Qi-rong Mao, Xiao-lei Zhao, Zheng-wei Huang, Yong-zhao Zhan

Affiliation(s):  Department of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013, China

Corresponding email(s):   mao_qr@ujs.edu.cn

Key Words:  Speech emotion recognition, Speaker-independent, Functional paralanguage, Fusion algorithm, Recognition accuracy


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Qi-rong Mao, Xiao-lei Zhao, Zheng-wei Huang, Yong-zhao Zhan. Speaker-independent speech emotion recognition by fusion of functional and accompanying paralanguage features[J]. Journal of Zhejiang University Science C, 2013, 14(7): 573-582.

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%A Xiao-lei Zhao
%A Zheng-wei Huang
%A Yong-zhao Zhan
%J Journal of Zhejiang University SCIENCE C
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T1 - Speaker-independent speech emotion recognition by fusion of functional and accompanying paralanguage features
A1 - Qi-rong Mao
A1 - Xiao-lei Zhao
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.CIDE1310


Abstract: 
functional paralanguage includes considerable emotion information, and it is insensitive to speaker changes. To improve the emotion recognition accuracy under the condition of speaker-independence, a fusion method combining the functional paralanguage features with the accompanying paralanguage features is proposed for the speaker-independent speech emotion recognition. Using this method, the functional paralanguages, such as laughter, cry, and sigh, are used to assist speech emotion recognition. The contributions of our work are threefold. First, one emotional speech database including six kinds of functional paralanguage and six typical emotions were recorded by our research group. Second, the functional paralanguage is put forward to recognize the speech emotions combined with the accompanying paralanguage features. Third, a fusion algorithm based on confidences and probabilities is proposed to combine the functional paralanguage features with the accompanying paralanguage features for speech emotion recognition. We evaluate the usefulness of the functional paralanguage features and the fusion algorithm in terms of precision, recall, and F1-measurement on the emotional speech database recorded by our research group. The overall recognition accuracy achieved for six emotions is over 67% in the speaker-independent condition using the functional paralanguage features.

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