👉 A subframe is a segment of a video frame that is smaller than a typical frame. Subframes are typically used in systems such as digital television and satellite television to provide additional content, such as advertisements or live feeds, by slicing off parts of the main frame. For example, in a digital television system, a subframe could be sliced off from the main frame to allow for the addition of advertisements, commercials, or other non-video content. Subframes are often used to optimize bandwidth usage and
