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Originally Posted by Neil
That is quite simply incorrect I'm afraid.
You can't improve the source of the signal/image that is coming through just by recording/watching it on a PVR.
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Actually, while you cant improve on the source signal, you can improve on how you record it. Most consumer grade VCRs are much lower resolution than the broadcast resolution that you recieve from NTL. Assuming the hardware is any good, theres no reason the PVR cant record video at full broadcast resolution, therefore offering and image EXACTLY like the one that you recieve down your cable, as opposed to the munged version you get off a video.
Not withstanding the fact that you lose image quality by sending the image out via svideo or composite (and ive yet to see a consumer grade VCR that will record through RGB), so even if you could record the signal at full resolution, you would be manipulating a poorer version than the one thats being processed inside your STB.