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Understand speech sound production and adaptation to pathological changes using three-dimensional models

The aim of this project is 1) to explain sound production by describing all the stages involved, from the vibration of the vocal folds in the laryngeal duct to the articulation of vowels and consonants in the buccal and nasal ducts, and 2) to consider the changes brought about by organ or function pathology, in order to understand possible adaptations and compensatory mechanisms.

These descriptions are based on complete three-dimensional models of healthy subjects, which are compared with three-dimensional models obtained from people with voice pathologies. By illustrating the articulatory and acoustic consequences of alterations associated with certain speech pathologies, it will be possible to better understand the compensation mechanisms that may be put in place by speakers, and to better guide rehabilitation thanks to a greater awareness of the importance of certain organs in speech.

Explanatory videos and a short cartoon have been developed to make this research accessible to as many people as possible.


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