A DVD reproduction apparatus includes a video decoder capable of outputting smooth video data during forward or backward high-speed reproduction. The video decoder is intermittently supplied with data in VOBU (Video Object Unit) units. According to control by a controller, the decoder outputs the decoded...http://www.google.co.uk/patents/US6282320?utm_source=gb-gplus-sharePatent US6282320 - Video data decoding apparatus and method and video signal reproduction apparatus and method