Objectifs :

Software for real-time spectral analysis and visualization of voice and speech parameters. This rich and user-friendly program is intended to offer patients an interactive visualization of their voice performance to increase speech therapy efficiency.

The 4th version of Vocalab, with important new features, has been available since September 2014.

If you want to order the English version of the software, please follow the instructions 

Niveau : Patient age: 5 years old to adult.
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More info

VOCALAB is very useful for multiple pathologies (dysphonia, articulation disorders, dysphasia, hearing impairment, dysarthria, phonological dyslexia, etc.).

Version 4 offers an enriched media library, and new modules such as voice pathology indicators, self-evaluation and automated patient report generation.

The visual feedback motivates the patient and allows the patient to concentrate on a specific feature of the voice: pitch, formants, harmonics, stability, energy, etc.

The media library includes a large selection of videos of the vocal cords both for educational purposes and to help the patient understand his or her pathology.

Vocalab has been validated through a research project by the research laboratory LURCO, on behalf of the French Society for Development of Research in Speech Therapy UNADREO.

More information :


Numerous scientific publications related to VOCALAB are on-line, as well as FAQs, educational contents, and links to YouTube tutorials