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Concatenation Artifact Detection Trained from Listeners Evaluations

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Part of the Lecture Notes in Computer Science book series (LNAI,volume 8082)

Abstract

Unit selection is known for its ability to produce high-quality synthetic speech. In contrast with HMM-based synthesis, it produces more natural speech but it may suffer from sudden quality drops at concatenation points. The danger of quality deterioration can be reduced (but, unfortunately, not eliminated) by using very large speech corpora. In this paper, our first experiment with automatic artifact detection is presented. Firstly, a brief description of artifacts is given. Then, a listening test experiment, in which listeners evaluated speech synthesis artifacts, is described. The data gathered during the listening test were then used to train an SVM classifier. Finally, results of the SVM-based artifact detection in synthetic speech are discussed.

Keywords

  • speech synthesis
  • unit selection
  • error detection

The work has been supported by the Technology Agency of the Czech Republic, project No. TA01011264, and by the grant of the University of West Bohemia, project No. SGS-2013-032.

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Vít, J., Matoušek, J. (2013). Concatenation Artifact Detection Trained from Listeners Evaluations. In: Habernal, I., Matoušek, V. (eds) Text, Speech, and Dialogue. TSD 2013. Lecture Notes in Computer Science(), vol 8082. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40585-3_22

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  • DOI: https://doi.org/10.1007/978-3-642-40585-3_22

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-40584-6

  • Online ISBN: 978-3-642-40585-3

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