In French only. A book under the direection of Évelyne Gayou about the connections between technologies and teaching methods in electroacoustic musics. With texts by Claire Renard, François Delalande, Serge de Laubier, Vinvent Maestracci, Beatriz Ferreyra, Philippe Mion, Lucie Prod’omme, Christine Groult, Denis Dufour, Andrea Cohen, Francis Dhomont, Annette Vande Gorne, Laurent Pottier, Sébastien Béranger, Dominique Saint-Martin.