Content replacement by PID mapping
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United States of America Patent
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-
Jul 27, 2010
Grant Date -
Sep 18, 2003
app pub date -
Dec 13, 2002
filing date -
Jan 2, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for content substitution, consistent with certain embodiments of the present invention involves receiving data representing content, the data having at least first and second packet identifiers (PIDs) associated with first and second portions of content. The content having the first PID is placed into a data stream. An initiation flag is received indicating initiation of a PID mapping operation. The content having the second PID is then mapped to the first PID and the mapped content is placed into the data stream. A termination flag is received indicating termination of the PID mapping operation at which point the process returns to placing content having the first PID into the data stream. The content substitution process can be used to replace advertisements, provide multiple plots, multiple endings, multiple views as well as other applications.
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