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Old 12-01-2005, 13:02   #18
bob_builder
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Re: How Video On Demand Works (long and technical!)

Quote:
Originally Posted by david.ewles
Forgive my if I'm being stupid but to rewind/pause VOD doesn't the STB use a hard drive in it recording the last 30 mins or so??
No, it just requests that video stream is rewound or paused and requests the play is started again from the point when play is pressed in much the same way as a Real Video stream works on the internet.

What you are thinking about is a PVR, which records live TV broadcasts on a hard drive.
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