Content replacement by pid mapping

H - Electricity – 04 – L

Patent

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Details

H04L 9/00 (2006.01) H04N 5/783 (2006.01) H04N 5/913 (2006.01) H04N 7/16 (2006.01) H04N 7/167 (2006.01) H04N 7/24 (2006.01) H04N 7/52 (2006.01) H04N 9/79 (2006.01)

Patent

CA 2480964

A method and apparatus for content substitution, consistent with certain embodiments of the present invention involves receiving data representing content, the data having at least first and second packet identifiers (PIDs) associated with first and second portions of content (108). The content having the first PID is placed into a data stream (112). An initiation flag is received indicating initiation of a PID mapping operation (116). The content having the second PID is then mapped to the first PID (124) and the mapped content is placed into the data stream. A termination flag is received indicating termination of the PID mapping operation at which point the process returns to placing content having the first PID into the data stream. The content substitution process can be used to replace advertisements, provide multiple plots, multiple endings, multiple views as well as other applications.

L'invention concerne un procédé et un dispositif de substitution de contenu. Dans certains modes de réalisation, le procédé selon l'invention consiste à recevoir des données représentant des contenus, lesdites données ayant au moins un premier et un deuxième identifiant de paquet (PID) associés à une première et une deuxième partie de contenu (108). Le contenu ayant le premier PID est placé dans un flux de données (112). Un indicateur d'initiation est reçu pour initier une opération de mappage PID (116). Le contenu ayant le deuxième PID est ensuite mappé sur le premier PID (124), et le contenu mappé est placé dans le flux de données. Un indicateur terminal est reçu pour indiquer la fin de l'opération de mappage PID, le processus étant alors ramené à l'étape de placement de contenu ayant le premier PID dans le flux de données. Le procédé de substitution de contenu peut servir à remplacer des publicités, à mettre en oeuvre plusieurs marques, plusieurs terminaisons, plusieurs vues ainsi que d'autres applications.

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