Lehr- und Forschungsgebiet Phoniatrie, Pädaudiologie
und Kommunikationsstörungen (Lehrstuhlinhaberin:
Univ.-Prof. Dr. Chr. Neuschaefer-Rube)

Bernd J. Kröger: SpeechArticulationTrainer (the app)

SpeechArticulationTrainer is a mobile app (as well as a program for laptops and desktops) for the visualization of speech articulation movements and gesture scores of monosyllables.
The app is available as light version in AppStore and GooglePlay (prompt: SpeechArticulationTrainer)

YouTube-Video-Tutorials for the app [in German]

General introduction to the app (see also www.speechtrainer.de):

The articulatory model:

Gestures (vocal tract actions) and gesture score:

Coarticulation with gestures (vocal tract actions) and gesture score:

Adding audios to SpeTra and synchronizing audios with SpeTra-model-based articulatory movements: