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Forums » US Cable Support » Comcast » Comcast Cable TV » Why Do I recieve HDTV?
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How long for DVR to start working? »
« DCT-6412 Firmware 9.19 Downloaded  
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DCTGoddess

join:2005-10-07
Eastern MA

 reply to Smokey Joe
Re: Why Do I recieve HDTV?

The On-Demand data stream is carried on a node's randomly generated sub-channel by the time it reaches your DCT. A digital TV has a built-in QUAM demodulator that can lock onto the signal, which Comcast hasn't bothered to encrypt just yet. As digital TVs see more market penetration, the cable cos. will catch on & take steps to encrypt the signal so that only the person who ordered the On-Demand movie gets to see it. In the mean time, if you happen to have a Digital QUAM 256 decoding TV & you're on the same node as a person watching On-Demand, sit back & enjoy the ride! You can't control it, you can only watch, so enjoy it while it lasts.
to forum · permalink · · 2005-10-08 19:42:22 · Reply to this
Forums » US Cable Support » Comcast » Comcast Cable TVHow long for DVR to start working? »
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