The IRISA Text-To-Speech System for the Blizzard Challenge 2016
Résumé
This paper describes the implementation of the IRISA unit selection-based TTS system for our participation in the Blizzard Challenge 2016. We describe the process followed to build the voices from given data and the architecture of our system. The search is based on a A* algorithm with preselection filters used to reduce the search space. A penalty is introduced in the concatenation cost to block some concatenations based on their phonological class. Moreover, a fuzzy function is used to relax this penalty based on the concatenation quality with respect to the cost distribution.
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