Title:
PERSONALIZED MARKING FOR PROTECTING DIGITAL AUDIOVISUAL STREAMS
Document Type and Number:
WIPO Patent Application WO2004062281
Kind Code:
A3
Abstract:
The invention more particularly relates to a device which can transmit in a secure manner a series of films of a high visual quality to a viewing screen such as a television screen and/or for recording them on a hard disk or other recording medium of a box connecting the long-distance transmission network to the viewing screen such as a television screen or the monitor of a personal computer but avoiding any fraudulent use thereof such as the possibility of making non-authorized copies of films or audiovisual programs from the decoder. The invention provides for a method of distributing video streams by adding to the video stream at least one visual element which is specific to the equipment of the client for whom the video stream is destined.
Inventors:
LECOMTE DANIEL (FR)
PARAYRE-MITZOVA DANIELA (FR)
GEORGES SEBASTIEN (FR)
PARAYRE-MITZOVA DANIELA (FR)
GEORGES SEBASTIEN (FR)
Application Number:
PCT/FR2003/050193
Publication Date:
August 11, 2005
Filing Date:
December 19, 2003
Export Citation:
Assignee:
MEDIALIVE (FR)
LECOMTE DANIEL (FR)
PARAYRE-MITZOVA DANIELA (FR)
GEORGES SEBASTIEN (FR)
LECOMTE DANIEL (FR)
PARAYRE-MITZOVA DANIELA (FR)
GEORGES SEBASTIEN (FR)
International Classes:
H04N5/913; H04N7/16; (IPC1-7): H04N5/913
Domestic Patent References:
| WO1997046012A1 | 1997-12-04 |
Foreign References:
| EP1187478A2 | 2002-03-13 | |||
| EP0107567A1 | 1984-05-02 | |||
| US4528588A | 1985-07-09 |
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