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MEDIALIVE, a corporation of France
| MEDIALIVE, a corporation of France Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100092025 | METHOD AND SYSTEM FOR SECURE SHARING OF RECORDED COPIES OF A MULTICAST AUDIOVISUAL PROGRAM USING SCRAMBLING AND WATERMARKING TECHNIQUES - A method for secure distribution of an original audiovisual stream to a plurality of consumer devices through a multicast session includes generating a protected audiovisual stream by modifying the original audiovisual stream; a complementary stream of any format including digital information suitable to allow reconstruction of an audiovisual stream from the protected stream; calculating a first mark as function of a unique identifier of a receiving consumer device or an external secure device; calculating on the receiving consumer device a first marked audiovisual stream from the protected stream as function of the first mark and the complementary stream; transmitting the protected stream from the receiving device to the second device; calculating a second mark as function of a unique identifier of a second device, an external secure device or a consumer using the second device; and calculating on the second consumer device a second marked audiovisual stream from the protected stream received from the receiving device as function of the second mark. | 04-15-2010 |
| 20100091887 | METHOD AND SYSTEM FOR SECURE DISTRIBUTION OF AUDIOVISUAL DATA ENCAPSULATED ACCORDING TO A PLURALITY OF TRANSPORT PROTOCOLS - Methods and systems for secure distribution of an original audiovisual stream constituted of a set of transport packets encapsulated according to a plurality of transport protocols suitable to be transmitted to a receiving device compatible with one of the said transport protocols include the steps of: | 04-15-2010 |