Since .rar is a compressed archive format, this file contains the raw data (such as .wav audio files or .obj 3D meshes) used as the evidence base for the conclusions drawn in the article.
The specific file name refers to a dataset used in scientific research related to vocal production and acoustic analysis . singing f013.rar
Studies published in journals like Journal of the Acoustical Society of America (JASA) or presented at conferences like . singing f013.rar
Datasets hosted on academic repositories like or institutional sites belonging to the CNR (Consiglio Nazionale delle Ricerche) . singing f013.rar
If you are looking for the professional article that explains this data, you should look for:
: 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.