[mythtv-users] Capture card luminance bandwidth (BT8xx and PVR-250)

[Cory Papenfuss]

 	I had heard that the TV cards need a pretty strong signal.  I'd 
believe it given the RF-toxic environment inside a PC's case.  Good to 
know.

-Cory

*************************************************************************
* Cory Papenfuss							*
* Electrical Engineering candidate Ph.D. graduate student               *
* Virginia Polytechnic Institute and State University 			*
*************************************************************************


On Sun, 31 Oct 2004, Maarten wrote:

> On Sunday 31 October 2004 17:14, Cory Papenfuss wrote:
>>  	I'm talking about composite.  I know that one should be able to
>> get more mileage out of Y/C.  My main reason for investigating this is to
>> get a better picture out of a cable TV signal.  Everything else being
>> equal, watching TV on the TV I'm using has a significantly better signal
>> than watching it through the PVR-250-encoded card.  I know it's not the
>> TVOUT part of the equation.
>
> Hi Cory,
>
> I'm using BT8x8 cards and had a very bad picture when compared with what my
> VCR or TV spit out.  On a hunch -and because of someone on this list
> recommended it- I went out and bought a high quality antenna amplifier +
> splitters.  Those were $$ very well spent indeed; my picture now looks better
> without any HQ and 4MV filters than it did before (with those filters
> enabled). I'm very happy with the quality now.
> It is still not as good as TV but it is more than good enough for me.
>
> It seems that a capturecard needs a significant more powerful antenna signal
> than the average TV does.  Maybe this helps your PVR too, but I have no
> experience with those cards myself.  Try it, if you can...
>
> Maarten
>
> --
>
>
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