Abstract: The present invention consists of registering, selecting and counting the N images of a cinematographic film (C1) to be subtitled; the composition of the said subtitles is composed by computer, then copied on a black and white film (NB1) of N images by means of a screen copier (1); this composition of subtitling is recorded in memory (5) on computer (4); the color film (C2) and the black and white film (NB2), with subtitles, permit obtaining, by superposition, the color copy (C2) with reserved spaces for the subtitles, (NB2 being the developed film NB1), a color copy film (C2) the subtitles of which are still perceptible thus being obtained; the color copy film (C2) is loaded into the camera (2) of the screen copier (1), while the subtitles memorized then colored by the computer are projected onto the screen of the screen copier with a perfect alignment with respect to the images of the color film copy (C2) which is in place in the camera of the said screen copier; the subtitles are colored.