VIDEO STREAM COMPOSED OF COMBINED VIDEO FRAMES AND METHODS AND SYSTEMS FOR ITS GENERATION, TRANSMISSION, RECEPTION AND REPRODUCTION

A video stream composed of combined video frames having a first resolution and include in their entirety two contents usable through extraction from the aforesaid video frame: a first content belonging to a video stream (F1) at a second resolution lower than the first resolution of the frame; and, in the area of the frame formed by the remaining pixels, at least a second content belonging to an information stream (F2) having, in the case where it is also a video stream, a resolution equal to or less than the second resolution, where during the fruition of one of the two video streams it is shown full-screen in its entirety, or in the case of a data information stream, data encoded via a set of pixels, the number of which is less than or equal to the number of pixels left free by the first video stream.