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Czech Expressive Speech Synthesis in Limited Domain

Comparison of Unit Selection and HMM-Based Approaches
  • Martin Grůber
  • Zdeněk Hanzlíček
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7499)

Abstract

This paper deals with expressive speech synthesis in a limited domain restricted to conversations between humans and a computer on a given topic. Two different methods (unit selection and HMM-based speech synthesis) were employed to produce expressive synthetic speech, both with the same description of expressivity by so-called communicative functions. Such a discrete division is related to our limited domain and it is not intended to be a general solution for expressivity description. Resulting synthetic speech was presented to listeners within a web-based listening test to evaluate whether the expressivity is perceived as expected. The comparison of both methods is also shown.

Keywords

expressive speech synthesis unit selection HMM-based speech synthesis communicative functions 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Martin Grůber
    • 1
  • Zdeněk Hanzlíček
    • 1
  1. 1.Department of Cybernetics, Faculty of Applied SciencesUniversity of West BohemiaCzech Republic

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