A BD-ROM stores a video stream and a graphics stream. The video stream represents a moving picture. The graphics stream is used for overlaying one or more menus on the moving picture, and includes interactive control information (ICS) and a plurality of pieces of graphics data (ODSs). The graphics data...http://www.google.com/patents/US8000580?utm_source=gb-gplus-sharePatent US8000580 - Recording medium, playback apparatus and method, recording method, and computer-readable program
