What is VocalTractLab ?VocalTractLab stands for "Vocal Tract Laboratory" and is an interactive multimedial software tool to demonstrate the mechanism of speech production. It is meant to facilitate an intuitive understanding of speech production for students of phonetics and related disciplines.
VocalTractLab is an open-source software under the GNU GPL (since version 2.3) and free of charge. More information can be found in the manual included in the latest release.
To cite VocalTractLab, the following publication is recommended:
Birkholz P (2013). Modeling consonant-vowel coarticulation for articulatory speech synthesis. PLoS ONE, 8(4): e60603. doi:10.1371/journal.pone.0060603