A record carrier includes a first stream of data representing a video item, a second stream of data representing a graphics item, and a control program for controlling interactive playback of the items. The program has a first and a second program portion. The first program portion includes primary data,...http://www.google.fr/patents/US6701064?utm_source=gb-gplus-shareBrevet US6701064 - Record carrier, and apparatus and method for playing back a record carrier, and method of manufacturing a record carrier
Record carrier, and apparatus and method for playing back a record carrier ...