Minimizing channel change time for IP video
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United States of America Patent
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N/A
Issued Date -
Apr 6, 2006
app pub date -
Oct 4, 2005
filing date -
Oct 4, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Subscribers to Internet Protocol TV services usually complain about one key characteristic--the additional delay digital video introduces when subscribers change channels, especially when subscribers 'channel surf.' The problem is traced to at least three sources of delay in a convention Internet Protocol video deployment system. The channel changing delay can be minimized by caching video packets for the most likely next channel in a buffer in anticipation of a television subscriber changing channels and/or by having an adaptable buffer length in the set top box.
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Family
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Cited Art Landscape
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