Amiot studied at Music conservatory in Le Mans as a violinist, later taking piano lessons. From 1955 he studied in Lyon with César Geoffray. From 1963 he attended the Scola Cantorum in Paris under Edmond Pendelton.
On returning to France in 1968, Amiot became director of the Mâcon branch of the Ecole Nationale de Musique, and, from 1983, director of the Conservatoire national de région of Clermont-Ferrand, a post held until his retirement in 2000.
Amiot has written over a hundred works, including those noted below. Other notable compositions include the choral symphony 1789, pour la Révolution (1989), performed before an audience of 80000 at the peak of the Puy-de-Dôme.
- Mon premier concert (1979)
- Sun is working in the Sky (1981)
- Caraïbes, caraïbes (1985)
- Messager des etoiles
- Mon troisième concert
- Voleur de lune, opera in 3 acts
- Messager des etoiles" fresque lyrique d'après la vie de Galilée (version nouvelle 2009)
- Melpomene for Violoncello and Clavier
- (French) Biographical note at the Centre de documentation de la musique contemporaine