[mythtv-users] Re: Grainy output from Nvidia FX5200

Jim Valavanis jimvman at comcast.net
Mon Nov 10 00:07:07 EST 2003



Ben Curtis wrote:

>>Hello again everybody, 
>>
>>I picked up the Asus GEFORCE FX5200 adapter that has dual-DVI outputs, 
>>and S-Video out (the only one I could get quickly). The tuner card is 
>>the Hauppauge 250. I am outputting via 1-DVI output to a Panasonic 42" 
>>Plasma display. The problem is that the video is grainy, and not really 
>>close to the direct cable to tv video quality. I wanted to get DVI 
>>output to get the best quality, but this doesn't seem to help. FYI, 
>>this is installed at a clients home, and I haven't had an opportunity to 
>>test the 'cat /dev/video0 > test.mpg' output with mplayer. I will let 
>>you know the results once I have a chance to test it. 
>>But, I was seeing if there is something that I can do to quickly improve 
>>the quality of the output. 
>>The box is a dual-processes Pentium III 800MHz, and the speed seems OK, 
>>but video quality not that great. Do you think I should try S-Video out 
>>as well, or DVI to component? I don't think that will make much of a 
>>difference. What about certain settings in mythtv setup? 
>>
>>Any ideas? 
>>
>>Thanks again to all of those who helped me get to this point. 
>>
>>Jim 
>>
>>    
>>
>
>How long of a DVI cable are you running?  Is it a good cable, or a cheapo?  
>Cheap DVI cables are notorious for causing problems since the signal is so 
>touchy.
>  
>
The DVI cable is 6 feet, made by Belkin around $20.  Probably not such a 
good cable.  I will try the S-Video out and let you know how it goes.

>Try running Svideo to it and see if the picture is any better, if so, I 
>would check that DVI cable.
>
>Ben
>
>  
>
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