H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/26 (2006.01) H04N 7/24 (2006.01) H04N 7/173 (2006.01)
Patent
CA 2452645
The invention regards a method for broadcasting multimedia signals towards a plurality of terminals as a data flow comprising successive packets, the packets being organised into sessions, a session comprising a set of packets forming a whole, at least some of said sessions being transmitted under several versions, corresponding to different starting moments. According to the invention, such a method implements a mechanism for merging versions of a same session, so that at least two versions starting at different moments use, at first, session portions which are peculiar to them, and, subsequently, a shared session portion.
La présente invention concerne un procédé de diffusion de signaux multimédia vers une pluralité de terminaux sous la forme d'un flux de données comportant des paquets successifs, les paquets étant organisés en sessions, une session comprenant un ensemble de paquets formant un tout, au moins certaines desdites sessions étant transmises en plusieurs versions, correspondant à différents moments de début. Selon l'invention, un tel procédé met en oeuvre un mécanisme pour fusionner des versions d'une même session, de sorte qu'au moins deux versions débutant à des instants différents utilisent, d'abord des portions de sessions qui leur sont propres, et, par la suite, une portion de sessions partagée.
Cotarmanac'h Alexandre
Curet Dominique
Veillard Michel
France Telecom
Oyen Wiggs Green & Mutala Llp
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