Patent ID: 7764791

Claim:
A procedure for distributing audiovisual sequences according to a nominal format of a stream comprising a succession of frames, comprising: before transmission to client equipment, analyzing the stream to generate a first stream, having the nominal format of the stream, and having images modified by substitution of selected data with replacement data, and to generate at least one second stream of any format, comprising substituted data and numerical information capable of allowing reconstruction of the stream, wherein visual reproduction of the succession of frames from the first stream absent using the at least one second stream is frustrated; and transmitting separately the first stream and the at least one second stream from at least one server to the client equipment for calculation of a synthesis of the stream of nominal format as a function of the first stream and the at least one second stream, wherein the transmission of the at least one second stream is secured by: initialization of communication in which the at least one server receives an identification from the client equipment and verification from the client equipment of successful server communication; and in which a message received from the client equipment is identified at the at least one server with an identifier of the client equipment previously transmitted by the at least one server to the client equipment, and a message transmitted from the at least one server includes an identifier of the at least one server previously received from the client equipment by the at least one server.