A method of reproducing a recording medium on which image data is recorded using an MPEG (Moving Picture Coding Expert Group) or the like, the image data including first image data where all image information for one frame of question is compressed and second image data where information on a change...http://www.google.de/patents/US5970205?utm_source=gb-gplus-sharePatent US5970205 - Method and apparatus for performing variable speed reproduction of compressed video data
