DRM - Tecnologias aplicadas à TV Digital

Fábio Casotti, José de Ribamar de Castro Júnior, Marcos Paulo Carozza

Resumo


Absctract - This paper presents an introductory description of main techniques employed on the content protection for digital television. First, a characterization f Brasilian regulatory framework about intellectual property rights and an explanation of Digital Rights Management (DRM) concepts are presented. Second, fundamentals of Broadcast Flag, High-bandwidth Digital Content Protection (HDCP) and Digital Video Broadcasting Copy Protection (HDCP) and Digital Video Broadcasting Copy Protection & Content Management (DVB-CPCM) technologies are introduced. The conclusion point out that discussion at the Digital Television Forum in Brazil about DRM is still taking place.

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