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Publication Type : Conference Proceedings
Publisher : Advances in Intelligent Systems and Computing.
Source : Advances in Intelligent Systems and Computing, Volume 530, p.913-924 (2016)
ISBN : 9783319479514
Keywords : Control methods; Dynamic time warping; Emotion conversion; Error percentage; Postsynthesis; Prosody manipulations; Speech quality; Subjective performance, Intelligent systems, Quality control
Campus : Bengaluru
School : School of Engineering
Department : Electronics and Communication
Year : 2016
Abstract : The objective of this work is to explore the importance of parameters contributing to synthesis of expression in vocal communication. The algorithm discussed in this paper uses a combination of Dynamic Time Warping (DTW) and prosody manipulation to inter-convert emotions among one another and compares with neutral to emotion conversion using objective and subjective performance indices. Existing explicit control methods are based on prosody modification using neutral speech as starting point and have not explored the possibility of conversion between inter-related emotions. Also, most of the previous work relies entirely on perception tests for evaluation of speech quality post synthesis. In this paper, the objective comparison in terms of error percentage is verified with forced choice perception test results. Both indicate the effectiveness of inter-emotion conversion by speech with better quality. The same is also depicted by synthesis results and spectrograms. © Springer International Publishing AG 2016.
Cite this Research Publication : Susmitha Vekkot and Dr. Shikha Tripathi, “Inter-emotion conversion using dynamic time warping and prosody imposition”, Advances in Intelligent Systems and Computing, vol. 530. pp. 913-924, 2016.