The process of multiplexing video, audio and subpicture data together with navigational data to create DVD-Video compliant information. When layout is complete, a DVD disc image is created. The disc image is the data that will be burnt on the DVD disc. When producing Hybrid DVD discs, data is inserted during the Layout stage and is stored in the DVD Other Zone. This is the process of validating the encoding, formatting, multiplexing and authoring of DVD material from the disc image.
Emulation is important to validate the content of the title before it is replicated.