| DVD Basic Facts
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| | professional or corporate.
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| DVDs have become ubiquitous. Whenever we
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| | How is DVD duplication carried out?
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| want to watch a movie or listen to some
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| | Duplication is an industrial process
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| music we reach out for a DVD. Here are
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| | where a glass master used to physically
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| some basic facts about the DVD:
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| | stamp copies out like a cookie cutter.
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| What is a DVD?
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| | What is DVD video?
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| DVD is short of Digital Versatile Disk. A
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| | DVD video is technically superior and the
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| DVD-ROM closely resembles a CD or compact
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| | closest we have to studio quality video.
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| disk. However, a DVD-ROM is formatted to
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| | Digital studio master tapes are usually
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| hold far more data. While a CD commonly
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| | encoded from to MPEG-2 format to create a
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| has a capacity of 650 megabytes, the
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| | DVD video. The encoding process uses
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| smallest capacity DVD can store about
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| | lossy compression that removes redundant
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| seven times more data, or 4.38 gigabytes
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| | information.
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| (GB). A DVD-ROM encodes data in the form
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| | What is a DVD menu?
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| of a spiraling trail of pits and lands
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| | A DVD menu allows easy access to the
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| separated by mere nanometers. There are
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| | titles without having to scan the DVD.
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| various kinds of DVDs. The DVD-ROM is the
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| | This is both convenient and accurate. A
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| most common. It is a disk that cannot be
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| | DVD could have a main menu with 4 title
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| written over. Blank DVDs with
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| | sets each containing a menu and a single
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| designations like "DVD-R" and "DVD+R" are
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| | title. All the titles are made from
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| formatted, recordable DVDs. The -R and +R
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| | multiple input files and each input file
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| refer to competing format standards, but
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| | is one chapter.
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| both will record movies, audio or other
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| | What is a menu? Menus are just an mpeg
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| data. The best examples of DVD-ROMs are
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| | file with subtitles. The basic mpeg is
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| the music and film DVDs that can be
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| | the background and the subtitles produce
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| bought off the shelf.
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| | the menu buttons. The background can
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| What is DVD authoring?
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| | either be a short movie or a still image
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| Authoring is the process of collecting
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| | converted to an mpeg. MPEG stands for
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| audio, video, menus, subtitles, etc onto
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| | "Motion Picture Experts Group." It stands
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| a DVD. In common parlance it is called
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| | for the committee that dreamed up the
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| burning. This is done on DVD authoring
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| | MPEG-2 compression algorithm. MPEG-2 is
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| software. There are numerous DVD
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| | the de-facto standard compression
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| authoring programs but which you use
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| | technology used for DVD video.
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| depends on your need, be it personal,
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