[linux-dvb] Buying new DVB-T card, choice of two. Is either better?

RoboJ1M jim.neave at googlemail.com
Fri Apr 20 18:35:19 CEST 2007


On 20/04/07, Uwe Bugla <uwe.bugla at gmx.de> wrote:
>
> -------- Original-Nachricht --------
> Datum: Fri, 20 Apr 2007 13:41:08 +0100
> Von: RoboJ1M <jim.neave at googlemail.com>
> An: linux-dvb at linuxtv.org
> Betreff: [linux-dvb] Buying new DVB-T card, choice of two. Is either better?
>
> > Hi,
> >
> > I'm about to add 2-3 tuners to my PC that's to become a MythTV backend.
> > My Twinhan VP3021 card has failed so I'm not getting another one of them.
> > (Thanks to Adam Charrett for his assistance, that damn thing is just dead,
> > as is the remote. POS.)
> >
> > My choice is:
> >
> > Compro DVB-T200
> > Hauppauge NOVA-T PCI
> >
> > Both the same price, the DVB-T200 has more inputs and HDTV support
> > (apparently)
> >
> > Any particular reasons to choose one over the other?
> > Does either have a better (more sensitive) tuner?
> >
> > Another question:
> >
> > As USB tuners are outside the case, will they perform better (higner
> > signal
> > strength, lower SNR) than PCI ones?
> >
> > If so, are they hard to set up? How many can you have hanging off of the
> > USB2 before you saturate it?
> >
> > How many DVB-T tuners would saturate the PCI bus?
> >
> > Thanks,
> >
> > James.
>
> Hi James,
> Some general responses:
> 1. Up to 4 adapters are supported by Linux
> 2. Please see www.bttv-gallery.org
> 3. Please see the CARDLIST.bttv
> "As USB tuners are outside the case, will they perform better (higner
> > signal
> > strength, lower SNR) than PCI ones?"
> I do not think so. No idea. Ask Markus Rechberger please.
> SNR and signal strength do not depend on the bus type the devices are connected as far as I know......
>
> Apart from that I am working on a script / app with which you can optimize all DVB-T and DVB-S services of whatever kind - with only ONE CARD IN YOUR PC.
> In so far the assumption (and thus the software architecture of apps like MYTHTV and VDR) is rather oldfashioned, conservative, if not to say: Utmost reactionary!
>
> Hope I could help you a bit further on.
>
> Cheers
> Uwe
>
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Hi,

Thanks for that.
As for the USB/PCI question. It's not that I'm expecting a different
bus to make a difference, but that fact that the tuner is outside of
the electromagnetically noisy interior of a PC case.

Thanks,

James.



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