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  2. DVD-ROM - Wikipedia

    en.wikipedia.org/?title=DVD-ROM&redirect=no

    This page was last edited on 3 September 2024, at 09:51 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  3. HD DVD - Wikipedia

    en.wikipedia.org/wiki/HD_DVD

    HD DVD-ROM, HD DVD-R and HD DVD-RW have a single-layer capacity of 15 GB, and a dual-layer capacity of 30 GB. HD DVD-RAM has a single-layer capacity of 20 GB. [ 72 ] Like the original DVD format, the data layer of an HD DVD is 0.6 mm below the surface to physically protect the data layer from damage.

  4. Optical disc drive - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_drive

    During the times of combo (CD-RW/DVD-ROM) drives, an additional speed rating (e.g. the 16× in 52×/32×/52×/16×) is designated for DVD-ROM media reading operations. For DVD writer drives, Blu-ray Disc combo drives, and Blu-ray Disc writer drives, the writing and reading speed of their respective optical media are specified in its retail box ...

  5. DVD - Wikipedia

    en.wikipedia.org/wiki/DVD

    The DVD specifications created and updated by the DVD Forum are published as so-called DVD Books (e.g. DVD-ROM Book, DVD-Audio Book, DVD-Video Book, DVD-R Book, DVD-RW Book, DVD-RAM Book, DVD-AR (Audio Recording) Book, DVD-VR (Video Recording) Book, etc.). [1] [2] [3] DVD discs are made up of two discs; normally one is blank, and the other ...

  6. Compact Disc and DVD copy protection - Wikipedia

    en.wikipedia.org/wiki/Compact_Disc_and_DVD_copy...

    A protected program can check whether the CD-ROM is original by positioning the drive behind sector 6553 and then reading from it — expecting the Mary version to appear. When a program tries to copy such a CD-ROM, it will miss the twin-sector as the drive skips the second 6553-sector, seeking for sector 6554.

  7. List of Compact Disc and DVD copy protection schemes

    en.wikipedia.org/wiki/List_of_Compact_Disc_and...

    Xbox (DVD) Two sets of media descriptors are used. Initially, and on typical DVD-ROM drives, only a short partition containing a brief DVD Video can be seen. The lead-out section of the disk stores a second set of media descriptors describing the bounds of the main partition. It also contains a partially-encrypted "security sector" used for ...

  8. PowerDVD - Wikipedia

    en.wikipedia.org/wiki/PowerDVD

    PowerDVD is a media player software for Microsoft Windows created by CyberLink, for DVD movie discs, Blu-ray movie discs, and digital video files, photos and music.. PowerDVD is offered in various versions, which vary greatly in terms of functionality, and can be expanded to include additional functions such as playback of licensed audio formats or power-saving functions for use on notebooks ...

  9. DVD recordable - Wikipedia

    en.wikipedia.org/wiki/DVD_recordable

    The project was the brainchild of Josh Hogan, who represented HP and was involved in the negotiations that resulted in the compromise format for DVD-ROM (prerecorded media) between the DVD Forum and the Sony & Philips teams. HP chose to partner with Sony and Philips, who were initially lukewarm to a fully rewritable format.