The DVD Video must meet certain technical requirements, such as encryption and compression, to be properly seen by all players. DVD authoring is the process of formatting the video to meet the specific DVD for playback on DVD players. the Blu Ray Authoring is the process of creating high-definition video ready for playback on Blu-ray.
Most of the DVD and Blu-ray discs are also structured with some form of interactivity and menus. This gives users a simple and easy way to navigate the video and view the items they want to see. DVDs with menus provide a professional touch, greater flexibility, the director's commentary, animated menus, custom editing, and special cuts.