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DVD-Cops See CD-Cops in previous section. 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 ...
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.
CD/DVD copy protection is a blanket term for various methods of copy protection for CDs and DVDs. Such methods include DRM, CD-checks, Dummy Files, illegal tables of contents, over-sizing or over-burning the CD, physical errors and bad sectors. Many protection schemes rely on breaking compliance with CD and DVD standards, leading to playback ...
Message Code 2: Copying stopped [7] —Shown when theatre- or hotel-distributed audio content is being recorded by a consumer recording device. Message Code 3 : Audio muted [ 7 ] —Shown when consumer-sold audio content is being played back from an optical disc, without the matching AACS key present at the centre of the disc.
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Newer drives use RPC-2 firmware, which enforces DVD region coding at the hardware level. See DVD region code#Computer DVD drives for further information. Some RPC-2 drives can be converted to RPC-1 with the same features as before by using alternative firmware on the drive, or on some drives by setting a secret flag in the drive's EEPROM .
Screenshot of the Digg front page during the user revolt; almost all of the stories are related to the HD-DVD key. As early as April 17, 2007, AACS LA had issued DMCA violation notices, sent by Charles S. Sims of Proskauer Rose. [37] [38] Following this, dozens of notices were sent to various websites hosted in the United States. [39]