METHOD FOR TRANSPORT STREAM SYNCHRONIZING IN A MULTIPLEXER COMPRISING AN EXTERNAL CORPOCESSOR
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Dec 17, 2009
filing date -
Dec 19, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for synchronizing a plurality of input transport streams into an output transport stream in a multiplexing device, at least one input stream being modified by an external audio/video coprocessor before multiplexing. The external audio/video coprocessor and the multiplexing device have no common time reference. To avoid having to resynchronise the input stream coming from the external coprocessor, it is proposed according to the invention to transmit, with at least one transport packet of said input stream transmitted to the external coprocessor, an item of ‘synchronisation’ information based on the input timestamp of said transport packet at the multiplexer input. Application: production and broadcasting of television programme packages.
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