Subjective evaluation of join cost and smoothing methods for unit selection speech synthesis

  title={Subjective evaluation of join cost and smoothing methods for unit selection speech synthesis},
  author={Jithendra Vepa and Simon King},
  journal={IEEE Transactions on Audio, Speech, and Language Processing},
In unit selection-based concatenative speech synthesis, join cost (also known as concatenation cost), which measures how well two units can be joined together, is one of the main criteria for selecting appropriate units from the inventory. Usually, some form of local parameter smoothing is also needed to disguise the remaining discontinuities. This paper presents a subjective evaluation of three join cost functions and three smoothing methods. We also describe the design and performance of a… CONTINUE READING
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