DVB-CPCM

DVB Content Protection and Copy Management ( Shorted, DVB- CPCM or CPCM ) is a digital rights management standard developed by the DVB group. The main application is the interoperable rights management for the European digital television, but also for other countries with the use of DVB as television broadcasting standard.

Function

CPCM prescribes in how information is added to the right of use to digital content, which then define the use within CPCM - enabled devices and how they can be used and must.

Content providers can have a set of flags that are stored within the content, and provide information about the usage rights information. These flags can be sending or copy and determine between other CPCM devices and allow or deny this. Content can also be offered over a certain time and be locked overtime, or prohibit the simultaneous play on two separate devices.

Domains

CPCM can distinguish between devices inside and outside a specified "Authorized Domain". The Authorized Domain, both devices within the home as well as in other places, such as cars and apartments include. It also specifies whether the content is to remain inside the house (the " local environment" ) or within a physical region, such as a country (the " Geographic Area ").

Related Technologies

Broadcast Flag

CPCM is sometimes mistakenly confused with the failed U.S. broadcast flag. CPCM is applied only inside the house after the transfer was received. However, to activate and control the access restriction may be made ​​of such flags sent along.