Bernd J. Kröger: the app
SpeechArticulationTrainer is no longer availabe at AppStore or GooglePlay.
The app is available now as (free) Web App: Speech Articulation Trainer (version: 5.0 and higher)
* open:
Speech Articulation Trainer Web App
* for information concerning the current Web App (version 5.0) features (but many features of version 4.0 are still the same) see: projects
The information on the rest of this page reflects features of version 3.0 and version 4.0.

YouTube-Video-Tutorials for the app (version 3.0 and version 4.0)
General introduction to version 4.0 of the app (see also www.speechtrainer.de):
- SpeechArticulationTrainer 4.0: Introduction
- SpeechArticulationTrainer 4.0: vowels
- SpeechArticulationTrainer 4.0: consonants: voiced and voiceless plosives
- SpeechArticulationTrainer 4.0: consonants: voiceless plosives: noise burst and VOT
- SpeechArticulationTrainer 4.0: consonants: voiced and voiceless fricatives
- SpeechArticulationTrainer 4.0: consonants: nasals
- SpeechArticulationTrainer 4.0: consonants: nasals: temporal coordination of gestures (here: oral closure and velopharyngeal opening)
- SpeechArticulationTrainer 4.0: consonants: lateral and further approximants
- SpeechArticulationTrainer 4.0: the 2D articulatory model and its parameters
General introduction to version 3.0, still available as (offline) software for PCs and MacBooks (see also www.speechtrainer.de):
- SpeechArticulationTrainer 3.0 Introduction
- SpeechArticulationTrainer 3.0 Vowels (static)
- SpeechArticulationTrainer 3.0 Consonants (static)
- SpeechArticulationTrainer 3.0 Consonants (static, coarticulation)
- SpeechArticulationTrainer 3.0 Consonants (dynamic, CV-syllables)
- SpeechArticulationTrainer 3.0 Vowels (dynamic, diphthongs)
- SpeechArticulationTrainer 3.0 Words
- SpeechArticulationTrainer 3.0 My Words (generate your own words and word lists)
- SpeechArticulationTrainer 3.0 My Lists (load and use in parallel up to nine word lists)
The articulatory model:
- SpeTra 3.0: Articulatory model: consonantal parameters: aperture
- SpeTra 3.0: Articulatory model: vocalic parameters: high-low, front-back, rounding
- SpeTra 3.0: Articulatory model: velum and glottis
- SpeTra 3.0: Articulatory model: consonants: manner of articulation: plosives, fricatives. lateral
Gestures (vocal tract actions) and gesture score:
- SpeTra 3.0: Introduction to a gesture score and to gestures (example "ba")
- SpeTra 3.0: Introduction to a gesture score and to articulatory parameters (example "bo")
- SpeTra 3.0: gesture score of CV-syllables: voiced and voiceless plosives
- SpeTra 3.0: gesture score of CV-syllables: voiced and voiceless fricatives
- SpeTra 3.0: gesture score of CV-syllables: nasals and liquids
Coarticulation with gestures (vocal tract actions) and gesture score:
- SpeTra 3.0: CV-Coarticulation, syllable "ba" versus "bi", coarticulation on consonants
- SpeTra 3.0: CVC-Coarticulation, syllable "pak" versus "kap", coarticulation on vowels
Adding audios to SpeTra and synchronizing audios with SpeTra-model-based articulatory movements:
- SpeTra 3.0: activating audios in menu: words
- SpeTra 3.0: adding audios in menu: my lists
- SpeTra 3.0: generating .wav-files (and .sound-files) using PRAAT
- SpeTra 3.0: synchronizing articulation with audios in menu: words (example CVC "piep")
- SpeTra 3.0: synchronizing articulation with audios in menu: words (example CVC "Beil")
- SpeTra 3.0: synchronizing articulation with audios in menu: words (example CVCC "Matsch")