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One of the sub-channels — the Q-channel — states the drive's current position relative to the beginning of the CD and the current track. This was designed for Audio-CDs (which for a few years were the only CDs), where this information is used to keep the drive on track; nevertheless the Q-channel is filled even on Data-CDs.
Discs made with DVD copying programs such as DVD Shrink automatically disable any Macrovision copy protection. The ease with which Macrovision and other copy protection measures can be defeated has prompted a steadily growing number of DVD releases that do not have copy protection of any kind, Content Scramble System (CSS) or Macrovision.
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 ...
The drive may also support Regional Playback Control (RPC) to limit the playback of DVD-Video content to specific regions of the world (§3.3.26 [4]). RPC Phase II drives hold an 8-bit region-code and adhere to all requirements of the CSS license agreement (§6.29.3.1.7 [4]). It appears that RPC Phase II drives reject title-key requests on ...
In 2001, DVD players outsold VCRs for the first time in the United States. At that time, one in four American households owned a DVD player. [45] By 2007, about 80% of Americans owned a DVD player, a figure that had surpassed VCRs; it was also higher than personal computers or cable television. [46]
A fragment of the DeCSS code, which can be used by a computer to circumvent a DVD's copy protection. DeCSS is one of the first free computer programs capable of decrypting content on a commercially produced DVD video disc. Before the release of DeCSS, free and open source operating systems (such as BSD and Linux) could not play encrypted video ...
In part 1, you'll get a scoop on the background story, see what the graphics are like, meet the gang (including a very lovely Princess Kenny) and explore many features of the game, like class ...
Compact disc drives are no longer manufactured outside of audio devices. Read-only DVD and Blu-ray drives are also manufactured, but are less commonly found in the consumer market and mainly limited to media devices such as game consoles and disc media players. Laptop computers used to come with built-in optical drives. Some laptop computers ...