DVD Authoring : The process of creating a DVD production. This involves designing the overall navigational structure; preparing the multimedia assets (video, audio, images); designing the graphical look; laying out the assets into tracks, streams, and chapters; designing interactive menus; linking the elements into the navigational structure; and building the final production to write to DVD, CD, hard disk, or tape. Consumer DVD Authoring software applications automate much of this process, including compressing the input files into DVD formats and laying out menus with buttons linking to the assets. More professional DVD Authoring tools separate the asset encoding and premastering steps, and provide more control over the DVD design - including button highlights and programmable scripts with navigation commands.
Asset : Individual element imported into a DVD project, typically from an associated file on hard disk. Assets include video and audio clips, still images, subtitles, and menu and button graphics.
Track -- In DVD authoring, typically used to describe a single sequential piece of material, such as a video clip or slide show, in a DVD project that is then connected by navigational links. A track contains a main video stream plus additional streams, including alternate MultiAngle video, audio, and subtitle streams. A track also can act as a menu, with subpicture button highlights.
Navigation -- The flow of playback through different elements of a DVD production - including menus, tracks, and chapters within video clips. Navigation can be explicitly controlled by the viewer by menu selections, can be defined when the production is authored (such as returning to a menu after playback reaches the end of a clip), or can be controlled dynamically by navigational commands.
Path -- A flow of playback through different elements of a DVD production. Also, the order in which buttons on a menu highlight as the viewer presses the up, down, left, and right buttons on the DVD Remote Control.
Link -- A navigational connection between different elements of a DVD production, including menus and video clips.
Multiplex -- To combine multiple data streams into a single stream, typically by interleaving sequential elements from each stream. In DVD authoring, often used to describe combining the separate DVD content files and navigational data into finished DVD format.
Simulate -- To preview the graphical look and interactive navigation of a DVD project. DVD authoring tools typically provide a built-in simulator to test the design before exporting to DVD format.
Layout -- In DVD authoring, often used to describe the DVD creation step of combining the DVD content and navigational data into a DVD volume on hard disk. Layout multiplexes the video, audio, image, and subpicture streams, together with the navigational information, to create the DVD Volume format directories and files. Also, the result of the layout step - the DVD Volume on hard disk.
Remaster -- The process of preparing the disc image format ready to record to a DVD disc or to transfer to a replication facility for manufacturing.
Disc image -- A single file that contains the data for a complete DVD production. A disc image can be burned very efficiently to a DVD disc because it is in exactly the format that the data will be stored on a DVD. The disc image can be recorded directly to DVD to create the proper data structures and DVD volume directories. It also can be transferred to DLT tape to be used at a replication facility to manufacture multiple copies of the disc.
Format -- To prepare storage media, such as CD or DVD discs for writing. Also, in DVD authoring, often used to describe packaging the DVD Volume directories and files from a layout into a single disc image file, ready to burn to a DVD disc.
Record -- For DVD or CD, to burn data to a recordable disc.
Burn -- To record data to a removable disc. Typically used to record a music playlist to a recordable CD or a video production to a recordable CD or DVD.
Duplication -- To record a small quantity of DVD (and CD) discs using a dedicated recorder.
Master -- For prerecorded discs, to create the master mold used in manufacturing DVD (and CD) discs.
Replication -- To manufacture DVD (and CD) discs in large quantities in a dedicated factory. Also includes mastering.
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