FltDnrSmoothFactor

[Bilar Crais]

I just bought a pvr-250, and I've noticed that human faces/flesh tones seem to have vertical lines in them...not an interlacing artifact; hard to describe.
I found out that if I set the "FltDnrTempFltLevel" value from the default value of 8
decimal to 0, the lines went away, but then the captures were more noisey.

After searching around on the web, I found the following entries, apparently for a competing manufacture...it was on a Japanese or Asian website, so I'm not sure.
There are two variations:



[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Conexant\Parameters\ivac15\Driver]
"FltDnrMode"=dword:00000002
"FltDnrSpatFltLevel"=dword:00000000
"FltDnrTempFltLevel"=dword:00000000
"FltDnrSmoothFactor"=dword:000000c8

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\???\Parameters\ivac15\Driver]
"FltDnrMode"=dword:00000003
"FltDnrSpatFltLevel"=dword:00000003
"FltDnrTempFltLevel"=dword:0000000a
"FltDnrSmoothFactor"=dword:000000c8

I created the DWORD "FltDnrSmoothFactor", which does not exsist in the Hauppage entries, and set the above value, set the FltDnrMode value to 2, and set the FltDnrTempLevel to 0. The fleshtone lines are gone, and it's a very nice, smooth picture.

I don't know if the improvement was a function of the smooth factor Dword, or by changing the DnrMode value, or both.

If you try this, let me know if it works! If it doesn't, it's a simple matter of deleting the DWORD that you created.

[berfsicle]

Originally Posted by Bilar Crais

I just bought a pvr-250, and I've noticed that human faces/flesh tones seem to have vertical lines in them...not an interlacing artifact; hard to describe.
I found out that if I set the "FltDnrTempFltLevel" value from the default value of 8
decimal to 0, the lines went away, but then the captures were more noisey.

After searching around on the web, I found the following entries, apparently for a competing manufacture...it was on a Japanese or Asian website, so I'm not sure.
There are two variations:



[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Conexant\Parameters\ivac15\Driver]
"FltDnrMode"=dword:00000002
"FltDnrSpatFltLevel"=dword:00000000
"FltDnrTempFltLevel"=dword:00000000
"FltDnrSmoothFactor"=dword:000000c8

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\???\Parameters\ivac15\Driver]
"FltDnrMode"=dword:00000003
"FltDnrSpatFltLevel"=dword:00000003
"FltDnrTempFltLevel"=dword:0000000a
"FltDnrSmoothFactor"=dword:000000c8

I created the DWORD "FltDnrSmoothFactor", which does not exsist in the Hauppage entries, and set the above value, set the FltDnrMode value to 2, and set the FltDnrTempLevel to 0. The fleshtone lines are gone, and it's a very nice, smooth picture.

I don't know if the improvement was a function of the smooth factor Dword, or by changing the DnrMode value, or both.

If you try this, let me know if it works! If it doesn't, it's a simple matter of deleting the DWORD that you created.

thanks, this is something im DEFINITELY going to look into tonight, with the final episode of 24 season 3 airing tonight and all...

my capture's have had horrible color and stuff and this just may fix that

[Bilar Crais]

Berfsicle:

If you make these adjustments, you might also try disabling noise reduction in your BTV profile. I wonder if having prefiltering on the card and then more noise filtering on top of it might not be counterproductive.
I have it disabled on mine, and it seems to look better.
Now if I just had a better cable signal, or sat or digital, I could get rid of NR all together!

[berfsicle]

Originally Posted by Bilar Crais

Berfsicle:

If you make these adjustments, you might also try disabling noise reduction in your BTV profile. I wonder if having prefiltering on the card and then more noise filtering on top of it might not be counterproductive.
I have it disabled on mine, and it seems to look better.
Now if I just had a better cable signal, or sat or digital, I could get rid of NR all together!

thanks for the info...
i dont wanna use any NR...im semi-content with the crummy cable pic i got, and these awful settings i must b using r making even my satellite unwatchable

[Bilar Crais]

I have been experimenting for several nights now, and my best results are with the following:

"FltDnrMode"=dword:00000002
"FltDnrSpatFltLevel"=dword:00000000
"FltDnrTempFltLevel"=dword:00000004
"FltDnrSmoothFactor"=dword:000000c8

sharpness at default, inverse telecine enabled.
Inverse telecine fixed a flickering problem I was having. Inverse Telecine might cause you to have trouble editing the mpegs, but it hasn't been a problem thusfar.

BTV noise reduction disabled

The above is a cap from one of my noisiest channels also my fav :-(
And our cable is pretty marginal at best.

[clacktar]

Bilar Crais,

How much better worse, or the same would you say the pvr 250 is in comparison to your Videomate Ultra on noisy stations? What about image quality?

Or are you still in the tweaking mode?

[Bilar Crais]

Clacktar:

They are very, very close. On the ability to make weak cable television signals watchable, I have to give the nod to the VideoMate. Both of these cards are
miles ahead of any tuner card I've used to date.

Take a close look at the image sample in this thread...notice the vague outline around the fonts of the movie title? This can be completely eliminated with VideoMate's TweakYC utility, by adjusting the Y signal aperature level. And on still or low motion program material, the VideoMate's 3D digital Y/C separation provides a stunning picture. However, these benefits are less aparent when viewing my authored DVDs on the family television, which is my main purpose of having a PVR.

Of greater concern to me now is gutting all of our existing cabling, and putting in some Belden 7915A RG6 and quality connectors. We have quite a hodge-podge of three way splitters, a cable modem, a few PCTVs, and two consumer televisions, and a line amp. And a good portion of the cabling is thin, cheap stuff from Walmart. I'm convinced there is quality in that cable...I just have provide the best route to deliver it!