| MEDIALIVE Patent applications |
| Patent application number | Title | Published |
|---|
| 20100146631 | METHOD AND SYSTEM FOR THE SECURE DISTRIBUTION OF DIGITAL DATA - The application relates to a method for the secure distribution of digital data transmitted to a client station, said digital data being in a first digital format of a non audiovisual nature, said method implementing a protection device able to protect data in a second digital format and to transmit them to said client station. According to the invention, said second format is of an audiovisual nature and the method includes a step of converting digital data in said first digital format, into said second format. | 06-10-2010 |
| 20100128871 | METHOD AND SYSTEM FOR THE SECURED DISTRIBUTION OF AUDIOVISUAL DATA BY TRANSACTION MARKING - The application relates to a method for distributing a marked audiovisual sequence from a nominal audiovisual sequence, said nominal audiovisual sequence having a nominal content, wherein
| 05-27-2010 |
| 20090327692 | METHOD AND DEVICE FOR DISTRIBUTING SECURE DIGITAL AUDIOVISUAL CONTENTS BY INTEROPERABLE SOLUTIONS - A method for distributing a nominal audiovisual stream to a recipient device including modifying, in the nominal audiovisual stream, at least one nominal coefficient among the nominal coefficients to generate a modified main stream; generating complementary information such that the nominal audio-visual stream may be implemented based from the complementary information and on the modified main stream, applying a plurality of methods for protecting the complementary information to generate multiple protected complementary information, each of the protected complementary information enabling the nominal stream of the main stream to be implemented upon application of an access method compatible with the protection method which has been used to protect it; and transmitting to the recipient device the modified main stream and the multiple protected complementary information. | 12-31-2009 |
| 20090070886 | METHOD FOR SECURELY DELIVERING AUDIOVISUAL SEQUENCES, DECODER AND SYSTEM THEREFOR - A method for delivering a nominal audiovisual stream including nominal coefficients to a receiving site including a secure gateway includes modifying, in the nominal audiovisual stream, at least one nominal coefficient among the nominal coefficients to generate a main digital stream; generating complementary information so that the nominal audiovisual stream is implemented from the complementary information and main digital stream at the receiving site; performing cryptographic operations on the secure gateway with the complementary information; and causing the gateway to transmit the complementary information to an audiovisual processing peripheral to enable the nominal audiovisual stream to be implemented at the audiovisual processing peripheral. | 03-12-2009 |
