Video data of computer system systems make use of several various documents layouts. The data names have a documents expansion revealing the kind of style at the end of the data name. Relocating Image Professionals Team (MPEG) has standard the electronic video including MPEG-1 or MPEG-2 audio as well as video compression. The VOB transform MPEG supply specialist video top quality for enjoyment. The applications are streaming media, CD circulation, a voice for telephone and also videophone and also for program tv.