MPEG-2: Group of Pictures
{"Image DocumentName": "MPEG-2: Group of Pictures", "Image ImageDescription": "Group of Pictures (GOP) \u2013 Sequence of frames. Successive pictures within a coded video stream. Defines how many I, P and B frames in each GOP. M=3, N=12, GOP structure is IBBPBBPBBPBBI. Less data is sent using GOP. Only need to update the macro blocks that change or move. A good IPTV analyzer needs to identify the GOP type, structure and min/avg/max length. This defines the time to recover from errors. Ensuring High Quality IPTV Services", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}