Program and data alerts and auxiliary datastreams in a multichannel broadcast system
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United States of America Patent
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Aug 9, 2011
Grant Date -
May 14, 2009
app pub date -
Jan 6, 2005
filing date -
Jan 6, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method (130, 135 and 140) for a user of a multichannel broadcasting service listening to a particular channel provides alerts about the content currently available on other channels which are of interest to the user. Auxiliary data streams of interest can be presented for display in conjunction with the audio transmission of a related or unrelated channel. The system and method include storing criteria associated with programming or auxiliary content of interest to a user and searching for unique identifiers within the broadcast signal signifying the availability of content which meets the criteria. Content of interest can be, for example, traffic information (105, 110, 120, 111 and 125), sports games available on other channels, sports scores, stock or other trading instruments prices, news headlines or travel information.
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