Developer's DescriptionBy MediachanceCreate DVD movies with multiple subtitles, multilayer audio tracks, and flexible DVD structure.The DVD-lab PRO version is a next step in DVD-authoring. Multiple audio, multiple subtitle support, play lists, counter and random lists, various levels of scripting even down to the virtual machine script and script debugger--yet it still keeps the clear and accessible interface. Version 2.51 may include unspecified updates, enhancements, or bug fixes.