Process and highly secure system for the distribution of audiovisual streams

Abstract

A process for distributing audiovisual sequences according to an original stream format having a succession of frames, the original stream on which an analysis is made, prior to transmission to client equipment, to generate a first modified main stream and complementary information, then the modified main stream and the complementary information are transmitted separately to equipment of our addressee, and for which a synthesis of a stream in the original format is calculated on the equipment of the addressee as a function of the modified main stream and the complementary information, wherein the analysis of the original stream comprises: an operation application stage comprising modelings generating sequences of pseudorandom values with known parameters, a stage for the extraction of original data as a function of pseudorandom sequences, and a stage for storage of parameters of modelings in the complementary information.

Dependencies are inferred from the claim text.