Providing a regional channel in a digital broadcast environment
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United States of America Patent
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Nov 17, 2015
Grant Date -
May 23, 2013
app pub date -
Jan 11, 2013
filing date -
Aug 9, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system of broadcasting a regional television channel to a user. A digital subscriber line access multiplex (DSLAM) receives a broadcast of multicast channels intended for delivery to the user. The multicast channels include national channels and a regional channel. The DSLAM broadcasts the multicast channels to the user and receives a regional channel control signal specifying a broadcast during a specified period of time of the regional channel instead of a national channel previously scheduled to be broadcast to the user during the specified period of time. The DSLAM switches the multicast channels broadcasted to the user during the specified period of time from the national channel to the regional channel such that the regional channel is in a specific channel slot of the national channel during the specified period of time during broadcasting the multicast channels to the user.
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