A video recording system, and related reproducing system, best suited for use in making and reproducing video disc recordings, wherein each recorded frame of video information represents one or more frames of an original video program, as designated by a frame repeat count encoded with the video information....http://www.google.com/patents/US4353090?utm_source=gb-gplus-sharePatent US4353090 - Extended play video recording and reproducing system with selection of multiplexed audio
