Method and system for replicating a video stream onto separate QAM downstream channels
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United States of America Patent
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N/A
Issued Date -
Aug 11, 2005
app pub date -
Feb 7, 2005
filing date -
Feb 6, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system transports a single video stream from a video server over a WAN to a replicator at a specified IP address. The specified address may correspond to a RTP or UDP/IP address of an endpoint or port. A table at the replicator associates a plurality of downstream QAM channel frequencies with the specified address and the replicator creates as many copies of the stream as there are QAM channels associated with the IP address. The copies are forwarded to each of the QAM modulators that are tuned to one of the frequencies that are associated with the IP address. Grooming is done at each of the QAM modulators according to rules that correspond to the channel.
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