Beatriz Ferreyra was born in Cordoba, Argentina, and studied piano with Celia Bronstein in Buenos Aires. She continued her study of music with Nadia Boulanger in Paris, and Edgardo Canton, Earle Brown, and György Ligeti in Germany. In 1963, she took a position in the research department of the Office de Radiodiffusion-Télévision Française, working with the Groupe de Recherches Musicales, directed by Pierre Schaeffer. She assisted with Henri Chiarucci’s and Guy Reibel’s Rapport entre la hauteur et la fondamentale d’un son musical, published in 1966 in Revue Internationale d’Audiologie; and Pierre Schaeffer’s Solfège de l'Objet Sonore. During this time, she also lectured at the Conservatoire National Supérieur de Musique de Paris. She worked with Bernard Baschet and his structures sonores in 1970, and served residencies in electronic music with Dartmouth College in 1976 and 1998.