New content guidelines for wireless HD

03 Sep 2008
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Industry group WirelessHD said technical details on the delivery of high definition content over wireless devices have been approved.

These new guidelines supplement Digital Transmission Content Protection (DTCP) approved earlier this year as the content protection method for wireless HD transmissions.

The Digital Transmission Licensing Administrator (DTLA) has approved these new guidelines, according to WirelessHD.

DTLA administers the DTCP, which assures that only legitimate content delivered to a source device via another approved copy protection system, such as the DVD Content Scrambling System, will be protected.

DTCP is a cryptographic protocol that protects audio and video content from tampering and enables managed copying of licensed content over high-performance digital networks such as WirelessHD.

DTCP enables not only direct display, but also the distribution of HD content. This content, whether from Blu-ray discs, satellite, cable, or Internet broadcast may be securely sent over WirelessHD signals.

The use of DTCP enables both the wireless display of this content in the newest generation of LCDs and plasmas and the managed copying of this content to digital video recorders and portable media players.

The release of these technical details represents the first approved, standard content protection method for the distribution of high definition content, according to WirelessHD.

Such approval suggests new flexibility for manufacturers and consumers in so far as DTCP permits both streaming and copying of high-definition content from device to device.

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