The thesis, entitled Penser l'écran sonore : les théories du film parlant ( Thinking the sound screen : theories of the talking film ) aims to provide at once a survey and critique of such theories as have explicitly addressed themselves to film conceived of in its essence as a carrier of acoustically produced meaning. This position would seem to be the merest commonplace, however, review of the literature will show that the study of the cinematic sound object as such was hardly carried out in any systematic manner before the 1980s and the groundbreaking work of Rick Altman, Michel Chion, and Claudia Gorbman. Perhaps the most simple manner of illustrating previous theoretical approaches to this topos would be to indicate the " polar " extre...