Primary Video Set in Advanced Content consists of Advanced VTS space, Standard VTS space, and VMG. Basically Advanced VTS is used only in Advanced Content, and Standard VTS may be used in Advanced Content even though this VTS is mainly used for Standard Content. In Advanced Content, VMG may exist in the Primary Video Set, however the transition to VMGM_DOM or FP_DOM is not allowed.
Advanced VTS is used for the Video Title Set for Advanced Content. Compared to Standard VTS, it supplies the following enhancements.
1) More enhancements for an EVOB
2) Integration of the Enhanced VOB Set (EVOBS)
3) Elimination of a layered structure
4) Introduction of new Time Map Information (TMAPI)
Standard VTS is normally used in Standard Content, however it may be used in Advanced Content via the TMAP structure. The EVOB information for Standard Content, such as HLI and PCI (button highlights, etc.) is ignored if the Standard VTS is used in Advanced Content.