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However, region-free DVD players, which ignore region coding, are also commercially available, [2] and many DVD players can be modified to be region-free, allowing playback of all discs. [ 3 ] DVDs may use one code, multiple codes (multi-region), or all codes (region free).
The DVD, Blu-ray Disc, and UMD media formats all support the use of region coding; DVDs use eight region codes (Region 7 is reserved for future use; Region 8 is used for "international venues", such as airplanes and cruise ships), and Blu-ray Discs use three region codes corresponding to different areas of the world. Most Blu-rays, however, are ...
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 .
It's yet to be finalized and pushed through for future revisions of the HD DVD spec, but don't be surprised if your net-connected HD DVD player all of a sudden obtains the region code "feature."
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 ...
Most players can have their region/region-code changed between one and ten times before they keep to it. Some players can play every disc/region and some (code-free) discs can be played on all players. The film industry has always wanted to make it worldwide unlawful to play a disc with a region code that does noct fit the place.
The Blu-ray specification and all currently available players support region coding. As of July 2008 about 66.7% of Blu-ray Disc titles are region-free and 33.3% use region codes. [6] The HD DVD specification had no region coding, so a HD DVD from anywhere in the world will work in any player.
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related to: dvd player region codes unlock