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Expressing degree of activation in synthetic speech

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1 Author(s)
Schroder, M. ; DFKI GmbH, Saarbrukken

This paper presents the design, implementation, and evaluation of a system capable of expressing a continuum of emotional states in synthetic speech. A review of the literature and an analysis of a naturalistic database of emotional speech provided detailed descriptions of the link between acoustic parameters and the three emotion dimensions activation, evaluation, and power. We formulated a set of emotional prosody rules and implemented them in a German text-to-speech (TTS) system. A perception study investigated how well the resulting synthesized prosody fits with emotional states defined through textual situation descriptions. Results show that degree of activation is perceived as intended

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Audio, Speech, and Language Processing, IEEE Transactions on  (Volume:14 ,  Issue: 4 )