Affect Related Acoustic Features of Speech and Their Modification

Authors:
Dandan Cui;Fanbo Meng;Lianhong Cai;Liuyi Sun
Affiliations:
Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China
Venue:
ACII '07 Proceedings of the 2nd international conference on Affective Computing and Intelligent Interaction
Year:
2007

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Abstract

This paper presents our recent work on the investigation of affect related acoustic features of Mandarin speech and their modification. A syllabic F0 contour model so called "Gravity Model" is proposed, which can describe the detailed changes of the F0 contour on the syllable level between different emotions. Then, different representations of spectrum, together with different modification methods, are also tried and compared; a maximal-mean amplitude representation proves to be the best, with its corresponding modifying method.