[vdr] Dumb question on DVB-C
gdh at acentral.co.uk
Tue Oct 25 11:03:39 CEST 2005
Simon Baxter wrote:
> I'm currently using a Nova-T card for terrestrial DVB, but would like to
> add a DVB-C card and connect to cable.
Yeh, that works like a charm.
> Am I right in assuming that channels on cable are organised much like on
> terrestrial, with 3 or 4 transponder frequencies carrying 3 or 4
> channels each? I wonder, because as the cable is provided by a single
> supplier, I wasn't sure how the channels are mapped.
In the UK at least, you'll find about 20 'transponders', each of which
carries about 10 TV channels in QAM64.
> Secondly, are channels that require CAM decrypting all generally on the
> same transponder? Or are these pay-channels interspersed with the free-
> to-air ones across the frequencies?
Yes, there's at least a 'BBC' and an 'ITV/C4/5' which are all FTA.
Pretty much everything else is crypted except the TV shopping channels
and the radio stations.
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