Born in 1932 in Tamatave (Madagascar) where he has lived for fourteen years, François Bayle is a major figure of electro acoustic music and member of the historic Pierre Schaeffer's "Groupe de Recherches Musicales" (GRM) joined in Paris in 1958. Ever since his first productions ('L'expérience acoustique' from 1971) François Bayle has developed through a great variety of formats and designed the Acousmonium a sound diffusion system used originally by the GRM.