DVD-Video Content Protection: Playback and Recording

The DVD-Video format for movies (and other content) on DVD Queer As Folk DVD was designed with multiple content protection features. But video can be placed on a disc in several different ways. DVDs can be manufactured by "replication," mass-market manufacturing of movies Queer As Folk DVD on disc, or by "duplication," burning of movies to recordable blank discs. And consumers have the tools to burn discs as well, with set-top DVD recorders and personal computers with DVD recordable drives.Queer As Folk DVD
Replication manufactures the DVD Queer As Folk DVD set along with the content in one operation: the factory takes in melted plastic and stamps out discs, and then adds labeling and packaging for the final product. The manufacturer controls the physical structure of the disc, and the content owner supplies the "disc image" of the data to be stored on the disc. As a result, replicated DVDs (and now Blu-ray Discs) Queer As Folk DVD set can implement stronger content protection measures.
Duplication and consumer burning, however, expose the content owner to unauthorized casual copying. So additional content protection mechanisms have been developed for recording devices to respect access rights and re-protect discs.Queer As Folk DVD set
Replicated DVD discs Queer As Folk DVD boxset use encryption to protect the digital content, and support copy management technologies for marking and encrypting (see below for details):
- Source protection: CSS for DVD-Video, CPPM for DVD-Audio- Copy management: CGMS, Verance watermarking for DVD-Audio- Output protection: Macrovision ACP (plus HDCP, DTCP, etc.)- Copy protection: CPRM for DVD-R/-RW, VCPS for DVD+R/+RW
For replicated discs, the DVD author Queer As Folk DVD boxset has the option of enabling one or more of the supported mechanisms in the disc image sent to the replication facility, although this requires the appropriate licenses for both the individual disc title and the manufacturing facility. When the disc is mastered (prepared for manufacturing), the disc data then will be CSS encrypted and have the appropriate flags set to enable ACS and CGMS.Queer As Folk DVD boxset
Under the DVD-Video license agreement Queer As Folk DVD boxset, DVD players and recorders that choose to license CSS (in order to carry the logo and play back mass-market movies) also must support Macrovision ACP and CGMS-A analog protection, HDCP for DVI or HDMI digital outputs, and DTCP for IEEE 1394 and USB digital connections Queer As Folk DVD. These requirements also apply to computer DVD drives and burners, as well as analog and digital computer TV outputs.

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