System for displaying multiple scaled videos

摘要

A system for creating multiple scaled videos from at least two video sources each having a plurality of frames comprising means for switching between the sources, a video decoder having means for generating downscaled frames from the plurality of frames and a frame buffer coupled to the decoder having storage for one or more downscaled images from the video sources. The user may be able to select which downscaled images are displayed or which image to continuously decode as a main picture. Control means to allow the user to scroll downscaled images 41-45 on the display may be provided.