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DVB系统中内容保护与版权管理蓝皮书.
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DVB系统中内容保护与版权管理蓝皮书
Content Protection & Copy Management
Specification;
Introduction
Digital Video Broadcasting
Content Protection & Copy Management
(DVB-CPCM)
DVB Document A094R2
CPCM is a system for Content Protection & Copy Management of commercial digital
content delivered to consumer products and home networks. CPCM manages content
usage from acquisition into the CPCM system until final consumption, or export from
the CPCM system, in accordance with the particular usage rules of that content.
Possible sources for commercial digital content include broadcast (e.g., cable,
satellite, and terrestrial), Internet-based services, packaged media, and mobile
services, among others. CPCM is intended for use in protecting all types of content -
audio, video and associated applications and data.
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