in one stream, so you won't have to specify the sound source. Authoring Software A Must You'll need authoring software to create a DVD. It converts the MPEG file to the VOB format and then creates the IFO and BUP files you need for playback. Vendors of DVD...

contain the video and audio information, IFO (information) files store the navigation and configuration files, and the BUP file is a backup for the IFO file. It is physically located on the outside tracks of the disc, so if the IFO file is scratched or obscured...