MPEG coded video data includes groups of pictures (GOPs). Each group of pictures includes one or more I-frames and a plurality of B- or P-frames. To produce an MPEG slow-forward coded video stream, the coding type of each frame in the MPEG coded video data is identified, and freeze frames are inserted...http://www.google.com.au/patents/US20030053540?utm_source=gb-gplus-sharePatent US20030053540 - Generation of MPEG slow motion playout
