: It is most commonly associated with the research published by Piero Cosi and colleagues at the Istituto di Scienze e Tecnologie della Cognizione (ISTC) , or similar studies involving the TRACTER project, which focuses on 3D articulatory models of the vocal tract. Where to Find the Data/Article
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: Researchers use these datasets to study the physical shape of the vocal tract (often captured via MRI) while a subject is singing specific notes or vowels. : It is most commonly associated with the