Error recovery for rich media

H - Electricity – 04 – N

Patent

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Details

H04N 7/64 (2006.01)

Patent

CA 2660278

A media stream (1) comprising rich media scene packets (10, 12) and scene update packets (20, 30, 40) is complemented with a data packet (20) defining an exit point for interrupting rendering rich media of the stream (1) and a scene update packet (30) associated with the data packet (20) and defining an entry point back to rendering rich media of the stream (1). The exit-entry point pair defines an alternative media rendering route (5) that can be used by user terminals (100) to recover from errors (45) in the media stream (1).

Un flux multimédia (1) comprenant des paquets (10, 12) de scènes multimédia enrichies et des paquets (20, 30, 40) de mise à jour de scène sont complétés avec un paquet de données (20) définissant un point de sortie pour interrompre un média enrichi de rendu du flux (1) et un paquet (30) de mise à jour de scène associé au paquet de données (20) et définissant un point d'entrée en retour vers le média enrichi de rendu du flux (1). La paire de points d'entrée-sortie définit une route (5) de rendu média alternatif qui peut être utilisée par les terminaux utilisateurs (100) pour récupérer des erreurs (45) dans le flux multimédia (1).

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