Viaccess

Mathieu Boivin

Gilles Dubroeucq

Quentin Chieze

Mathieu Phirmis

Nicolas Pochon

Stéphane Lafranchi

A method for providing a licence includes: a step a) wherein a server receives a request including an identifier of a multimedia content and an identifier of a terminal or of a user. The server computes the licence including at least one access data needed by the terminal to access the multimedia content. Before step a), there is a step e) for obtaining a first recommendation list for the user and from the list, obtaining one multimedia content identifier. For each automatically selected identifier, the method includes pre-computing at least one access data, and in a step b), searching for the identifier of the multimedia content received in step a) from among the identifiers automatically selected in the step e). In the event of success, the method includes selecting the pre-computed access data corresponding to the identifier, and, in the event of failure, generating the access data.

Method for providing a licence in a system for providing multimedia contents

A Method for supplying protected multimedia content during which a terminal a) acquires a service date from a date server and b) evaluates a temporal criterion of a licence with respect to the last acquired service date. A headend associates with each segment of the multimedia content, its transmission date, and transmits it in a stream together with the segment. The terminal extracts from the stream the date of transmission of the segment, then it compares the extracted transmission date to the last acquired service date. And, only if the extracted transmission date is later than the last acquired service date, acquires it as service date, and uses it as last acquired service date on an execution of the step b) between two successive executions of the step a).

Method for supplying protected multimedia content to a terminal

Smoothing a workload of a server responding to requests transmitted by terminals includes computing a scheduled date on which the terminal must connect with the server to transmit the request to it, activating the connection based on the date so that the second connection happens on or after it, building a workload schedule for the server according to dates, for each terminal, recording switching between active and inactive states thereof, building, for each terminal, based on the recorded switching, a profile associating, with each coming date, a probability that the terminal is active on that date, and wherein computing the date comprises selecting, based on the workload schedule and the profile, a scheduled date associated, in the workload schedule, with a forecast workload below a first threshold, and, in the profile of use of the terminal, with a probability, above a second threshold, that the terminal is active.

Method of smoothing the workload of a server

A method for protecting recorded multimedia content and enabling the recorded multimedia content to be shared between recorders and readers of multimedia content connected to one another via a wide area information transmission network.

Method for protecting a recorded multimedia content

This method for detecting an illicit use of a security processor used for the descrambling of different multimedia contents disseminated on several respective channels comprises:

Growing community of inventors

Aulnay-sous-Bois, France

Mathieu Boivin