Second ESCA/IEEE Workshop on Speech Synthesis

September 12-15, 1994
Mohonk Mountain House, New Paltz, NY, USA

Does the Resulting Speech Quality Improvement Make a Sophisticated Concatenation of Time-Domain Synthesis Units Worthwhile?

Volker Kraft

Lehrstuhl für allgemeine Elektrotechnik und Akustik, Ruhr-Universität Bochum, Germany

Concatenating speech synthesis units give rise to temporal discontinuities in the short time spectral envelope of a synthetic speech signal. Among the various methods for increasing the speech fluency, three methods for unit segmentation and two methods for interpolation were applied to our demisyllable-based TD-PSOLA synthesizer. By means of a pair-comparison test it was found that no significant quality increase could be achieved by any of the evaluated concatenation methods.


Full Paper

Bibliographic reference.  Kraft, Volker (1994): "Does the resulting speech quality improvement make a sophisticated concatenation of time-domain synthesis units worthwhile?", In SSW2-1994, 65-68.