Device for secure transmission recording and visualisation of audiovisual programmes
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United States of America Patent
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Feb 12, 2013
Grant Date -
Jul 14, 2005
app pub date -
Jan 15, 2003
filing date -
Jan 18, 2002
priority date (Note) -
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Abstract
A method of distributing video sequences according to a nominal flow format including a succession of frames each including at least one I block corresponding to a complete digital I image and at least one N block corresponding to differences between a digital N image and at least one other image including analyzing the flow of sequences to generate a first modified flow having a format of a nominal flow and having modified N blocks and a second flow of any format including digital information required to reconstruct the modified blocks; and transmitting the first and second flows from a server to destination equipment, and calculating on the destination equipment a synthesis of a flow in a nominal format as a function of the first flow and the second flow.
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