Invention Grant
US07974280B2 Distributed and secured method and system for protecting and distributing audio-visual flows 有权
分布式和安全的方法和系统,用于保护和分发视听流

Distributed and secured method and system for protecting and distributing audio-visual flows
Abstract:
A process for secure distribution of digital audiovisual streams according to a standard, normalized or proprietary format, on which streams a separation of the stream into two parts is made prior to transmission to equipment of an addressee to generate a modified main stream having a format of the original stream and complementary information of any format including digital information suitable to permit reconstruction of the original stream, wherein a transmission is made, by separate paths during distribution of the modified main stream from a distribution server and of the complementary information to the equipment of the addressee from a secure central server passing via at least one local server connecting the equipment of the addressee to the local server via at least one access point.
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