Computerised method for using an interactive digital...

H - Electricity – 04 – N

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H04N 21/434 (2011.01)

Patent

CA 2396432

The invention concerns a computerised method for operating an interactive digital television programme broadcast in the form of a digital signal comprising a dataflow corresponding to compressed video images and a dataflow corresponding to at least a multimedia application, as well as service signals for managing said dataflows. The invention is characterised in that it comprises a step which consists in detecting the service signal corresponding to a synchronising cueing signal sequence including: a sequence assigned to designate a multimedia application present in the digital signal, and a signal sequence assigned to the recording of parameters executing said designated multimedia application, and a step which consists in loading said multimedia application and initialising said multimedia application with said executing parameters.

La présente invention concerne un procédé informatique pour l'exploitation d'une émission de télévision numérique interactive diffusée sous la forme d'un signal numérique comportant un flux de données correspondant à des images vidéos compressées et un flux de données correspondant à au moins une application multimedia, ainsi que des signaux de service pour la gesion desdits flux de données caractérisé en ce qu'il comporte une étape de détection du signal de service correspondant à une séquence "top de synchronisation" comportant: une séquence affectée à la désignation d'une application multimédia présente dans le signal numérique, ainsi qu'une séquence de signaux affectée à l'enregistrement de paramètres d'exécution de ladite application multimédia désignée, et une étape de chargement de l'application de ladite application multimédia et d'initialisation de ladite application multimédia avec lesdits paramètres d'exécution.

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