11th Annual Conference of the International Speech Communication Association

Makuhari, Chiba, Japan
September 26-30. 2010

Articulatory Synthesis and Perception of Plosive-Vowel Syllables with Virtual Consonant Targets

Peter Birkholz, Bernd J. Kröger, Christiane Neuschaefer-Rube

University Hospital Aachen, Germany

Virtual articulatory targets are a concept to explain the different trajectories of primary and secondary articulators during consonant production, as well as the different places of the tongue-palate contact in [g] depending on the context vowel. The virtual targets for the tongue tip and the tongue body in apical and dorsal plosives are assumed to lie above the palate, and for bilabial consonants, the target is a negative degree of lip opening. In the present study, we discuss the concept of virtual targets and its application for articulatory speech synthesis. In particular, we examined how the location of virtual targets affects the acoustics and intelligibility of synthetic plosiv-vowel syllables. It turned out that virtual targets that lie about 10 mm beyond the consonantal closure location allow a more precise reproduction of natural speech signals than virtual targets at a distance of about 1 mm. However, we found no effect on the intellegibility of the consonants.

Full Paper

Bibliographic reference.  Birkholz, Peter / Kröger, Bernd J. / Neuschaefer-Rube, Christiane (2010): "Articulatory synthesis and perception of plosive-vowel syllables with virtual consonant targets", In INTERSPEECH-2010, 1017-1020.