In 1976 he was awarded the Sir Ernest MacMillan Award/Fellowship by the Composers, Authors and Publishers Association of Canada for his works Sveln (piano and synthesizer), Dra-men Dzunkt (8 performers or more) and Tsé Tnant/Te Deum (17 amplified instruments and tape).
In 1974-1975 he worked with Alcides Lanza and Mario Bertoncini at McGill University's Electronic Music Studio.
While there he notably worked on the Grand prix du disque de l'Académie Charles-Cros winning LP Games and Songs.
[1] In 1983 Roy joined the faculty of the Université du Québec à Trois-Rivières where he taught courses in acoustics, electroacoustics and aural perception and served as the head of the school's electroacoustic music laboratory through 1986.
[1] Roy has also worked as a sound technician for concerts presented by the Association pour la création et la recherche électroacoustiques du Québec and the Société de musique contemporaine du Québec.