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DVD regions. 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.
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 .
Some discs check whether the country code is US or Canada (sometimes also Mexico) and play only in these countries, others allow all country codes (even those of non-Region-A countries) except the Japanese. AnyDVD HD (7.5.9.0 and higher) has an option to enforce the US country code. The software developers say users can also change the country ...
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 ...
In the "Regional codes and countries" section, Region 0 is "Any region/region-free", while Region ALL has all 1-8 flags set, allowing the disc to be played in any location, on any player. What, then, is the practical difference between Region 0 and Region ALL? 108.20.174.117 19:11, 13 May 2020 (UTC)
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The case was dropped in January 2004. CSS decrypting software (such as DVD Decrypter, AnyDVD, and DVD Shrink) allows a region-specific DVD to be copied as an all-region DVD. It also removes Macrovision, CSS, region codes, and user operation prohibitions. They also filed the suit DVD CCA v.