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ANSI/SCTE 07 2018
Digital Transmission Standard For Cable Television
This standard describes the framing structure, channel coding, and channel modulation for a digital multi-service television distribution system that is specific to a cable channel. The system can be used transparently with the distribution from a satellite channel, as many cable systems are fed directly from satellite links. The specification covers both 64 and 256 QAM. Most features of both modulation schemes are the same.
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The Society of Cable Telecommunications Engineers [scte]