The audio-visual program editing process comprises: in an iterative manner, a step (200) of editing the combined image comprising: a step (210) of selecting an image source, a step (230) of selecting a part of the selected image and a step (250) of selecting a display format for the said selected image part, in a combined image; after the end of the step of editing the combined image, a step (270) of memorizing each image source, each image part and each display format of the combined image and a step (280) of displaying the combined image, in the course of which, the display of each image part is automatically refreshed.