Before revision: The first audiovisual mixer right |500px | Dispositivo Synchro-Ciné : potencialidades | URL The original 1921 device, the ciné-pupitre, consisted of a reading desk supplied with an aperture at which a paper text "that unfolded before the reader, by small shakes, on which was inscribed the oral accompaniment of the film.
After revision: The first audiovisual mixer right |500px | Delacommune synchronization system 1922 called Synchro-ciné URL The original 1921 device, the ciné-pupitre, consisted of a reading desk supplied with an aperture at which a paper text "that unfolded before the reader, by small shakes, on which was inscribed the oral accompaniment of the film.