Abstract
In spoken Czech language, the stress and post-stress syllables in human speech are usually characterized by an increase in fundamental frequency \(\hbox {F}_0\) (except for phrase-final stress groups). In unit selection text-to-speech systems, where no contour of \(\hbox {F}_0\) is generated to be followed, however, the \(\hbox {F}_0\) behaviour is usually tended very vaguely. The paper presents an experiment of making the unit selection TTS to follow the trends of fundamental frequency rise in synthesized speech to achieve higher naturalness and overall quality of speech synthesis itself.
This research was supported by the Czech Science Foundation (GA CR), project No. GA16-04420S, and by the grant of the University of West Bohemia, project No. SGS-2016-039.
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Jůzová, M., Volín, J. (2018). \(\hbox {F}_0\) Post-Stress Rise Trends Consideration in Unit Selection TTS. In: Sojka, P., Horák, A., Kopeček, I., Pala, K. (eds) Text, Speech, and Dialogue. TSD 2018. Lecture Notes in Computer Science(), vol 11107. Springer, Cham. https://doi.org/10.1007/978-3-030-00794-2_39
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