The Seventh ISCA Tutorial and Research Workshop on Speech Synthesis

Kyoto, Japan
September 22-24, 2010

Analysis and Synthesis of Hypo- and Hyperarticulated Speech

Benjamin Picart, Thomas Drugman, Thierry Dutoit

TCTS Lab, Faculté Polytechnique (FPMs), University of Mons (UMons), Belgium

This paper focuses on the analysis and synthesis of hypo and hyperarticulated speech in the framework of HMM-based speech synthesis. First of all, a new French database matching our needs was created, which contains three identical sets, pronounced with three different degrees of articulation: neutral, hypo and hyperarticulated speech. On that basis, acoustic and phonetic analyses were performed. It is shown that the degrees of articulation significantly influence, on one hand, both vocal tract and glottal characteristics, and on the other hand, speech rate, phone durations, phone variations and the presence of glottal stops. Finally, neutral, hypo and hyperarticulated speech are synthesized using HMM-based speech synthesis and both objective and subjective tests aiming at assessing the generated speech quality are performed. These tests show that synthesized hypoarticulated speech seems to be less naturally rendered than neutral and hyperarticulated speech.

Index Terms: Speech Synthesis, HTS, Speech Analysis, Expressive Speech, Voice Quality

Full Paper

Bibliographic reference.  Picart, Benjamin / Drugman, Thomas / Dutoit, Thierry (2010): "Analysis and synthesis of hypo- and hyperarticulated speech", In SSW7-2010, 270-275.