Accelerated channel change
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United States of America Patent
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Mar 13, 2012
Grant Date -
May 31, 2007
app pub date -
Nov 30, 2005
filing date -
Nov 30, 2005
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Abstract
Channel changing can be accelerated by multicasting a bouquet of multicast burst streams from a server. In an example implementation, each multicast burst stream is delayed sufficiently so that a past independent frame is available for delivery to and display by a client device without waiting for a future independent frame. A multicast burst segment of a multicast burst stream includes a portion in which the bandwidth exceeds the nominal data rate of the underlying resource being streamed. The temporal delay between adjacent multicast burst streams in a multicast bouquet is set responsive to a maximum client delay time for tuning to a new resource stream.
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