Device and method for synchronizing broadcast audio-visual programs and complementary data
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United States of America Patent
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Mar 21, 2006
Grant Date -
Nov 11, 2004
app pub date -
May 22, 2001
filing date -
May 25, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a device and a process for the synchronization of broadcast audiovisual programs and of complementary information. The device comprises an image and/or sound sensing assembly, capable of retrieving at least a semantic element from the content of audio-visual programs being broadcast. It further comprises a unit identifying the semantic elements, connected to a program guide including one or several chronologically arranged lists of data sets respectively associated with the broadcast programs. The identifying unit selects for at least one of the programs being broadcast, the data set which is most probably correlated to the semantic elements. It carries out a prior learning session enabling to select the appropriate data sets from the semantic elements. A synthesizing unit synchronizes the audio-visual programs with the selected data sets.
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