Apparatus and method for processing a program guide in a digital video system
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United States of America Patent
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Nov 20, 2007
Grant Date -
Apr 6, 2006
app pub date -
Jun 23, 2005
filing date -
Dec 23, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of processing a packetized datastream that includes program information and ancillary information used to acquire desired program information packets. The method includes the steps of identifying a first data unit that includes channel information and identifying a plurality of second data units included with the first data unit. The plurality of second data units are of a fixed length, and thus, separated in the packetized datastream by a multiple of a fixed offset. The method further includes the step of acquiring desired second data units using the fixed offset and subsequently determining the available services associated with a program and acquiring the desired program packets from the datastream.
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