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  2. DVD region code - Wikipedia

    en.wikipedia.org/wiki/DVD_region_code

    DVD region code. DVD region codes are a digital rights management technique introduced in 1997. [1] It is designed to allow rights holders to control the international distribution of a DVD release, including its content, release date, and price, all according to the appropriate region. This is achieved by way of region-locked DVD players ...

  3. Sony BMG copy protection rootkit scandal - Wikipedia

    en.wikipedia.org/wiki/Sony_BMG_copy_protection...

    The two pieces of copy-protection software at issue in the 2005–2007 scandal were included on over 22 million CDs [7] marketed by Sony BMG, the record company formed by the 2004 merger of Sony and BMG's recorded music divisions. About two million of those CDs, [7] spanning 52 titles, contained First 4 Internet (F4I)'s Extended Copy Protection ...

  4. DVD-Video - Wikipedia

    en.wikipedia.org/wiki/DVD-Video

    A normal DVD player can only play region-coded discs designated for the player's own particular region. However, a code-free or region-free DVD player is capable of playing DVDs from any of the six regions around the world. The CSS license prohibits manufacturing of DVD players that are not set to a single region by default. While the same ...

  5. ARccOS protection - Wikipedia

    en.wikipedia.org/wiki/ARccOS_protection

    ARccOS (Advanced Regional Copy Control Operating Solution) is a copy-protection system made by Sony that is used on some DVDs. Designed as an additional layer to be used in conjunction with Content Scramble System (CSS), the system deliberately creates corrupted sectors on the DVD, which cause copying software to produce errors (see bad sector ).

  6. DVD player - Wikipedia

    en.wikipedia.org/wiki/DVD_player

    A Sony DVP-SR370 DVD player and USB support connection A Philips DVD player with built-in four-directional control buttons. A DVD player is a device that plays DVDs produced under both the DVD-Video and DVD-Audio technical standards, two different and incompatible standards.

  7. DVD - Wikipedia

    en.wikipedia.org/wiki/DVD

    e. The DVD (common abbreviation for digital video disc or digital versatile disc) [ 9][ 10] is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind of digital data and has been widely used to store video programs (watched using DVD ...

  8. Blu-ray - Wikipedia

    en.wikipedia.org/wiki/Blu-Ray

    Unlike DVD region codes, Blu-ray region codes are verified only by the player software, not by the optical drive's firmware. As of 2017 [update] the latest types of Blu-ray players, suitable for Ultra HD Blu-ray content, are not region-free, but Ultra HD Blu-ray disc manufacturers have not yet locked the discs to any region and they work worldwide.

  9. List of Compact Disc and DVD copy protection schemes

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

    DVD region code. Restricts region where media can be played by matching region number with configuration flag in DVD players. LaserLock. Includes hidden directory on the CD containing corrupted data which will cause errors while being copied. SafeDisc (version 4) See SafeDisc (versions 1-5) in previous section. SecuROM.

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