Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2007-11-20
2007-11-20
Chan, Wing (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S509000, C370S516000, C386S349000
Reexamination Certificate
active
10375228
ABSTRACT:
A system and method are provided for robust Motion Picture Experts Group (MPEG-2) multiplexing information using an adjustable time stamp. The method comprises: accepting a plurality of digital programs; encoding each program into frames; generating a decoding time stamp (DTS) and a corresponding presentation time stamp (PTS), measured with respect to a program clock reference (PCR) for each frame; generating a packetized elementary stream (PES) packet, with a PES header including the PCR, DTS, and PTS, for each frame; time division multiplexing (TDM) the PES packets into a MPEG-2 transport stream; at the time of insertion into the MPEG-2 transport stream, comparing the DTS and PTS values to the PCR value in each header; modifying the DTS value in the PES header in response to the comparison; and, transmitting the MPEG-2 transport stream.
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Chan Wing
Law Offices of Gerald Maliszewski
Sefcheck Gregory B.
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