[mythtv-users] Nvidia Settings (was Super Frustration)

[Big Wave Dave]

If possible send to the list as well...
Thanks,
Dave


On Thu, 24 Mar 2005 12:24:06 -0500, Scott Minneman <sminneman at gmail.com> wrote:
> Would you mind sending me the line from your .nvidia-settings-rc file
> for sharpness?  Mine has TVFlickerFilter, TVSaturation, etc, but nothing
> for sharpness.
> 
> 
> Ryan A. Carris wrote:
> 
> >On Fri, 25 Feb 2005 11:56:59 -0800, Bruce Markey <bjm at lvcm.com> wrote:
> >(snip)
> >
> >
> >>I decided to look into the alignment problem. In a long afternoon
> >>of divide and conquer, I found a magic overscan value that put a
> >>480 pixel image in 480 scan lines for the 4xxx driver. Of course,
> >>the overscan changed with the 6xxx drivers and are now controlled
> >>by the "nvidia-settings" tool. If the overscan value is set to 250
> >>(actually anywhere from 243-250) it is pretty darn close if not
> >>exactly 480 pixels on 480 scan lines. This means that by not scaling
> >>and with accurate frame timing, only data from one of the recoded
> >>fields is displayed per field refresh.
> >>
> >>
> >(snip)
> >
> >Based on your suggestions, I played around with my settings last night
> >to see if I could improve on the extremely poor s-quality I'm getting
> >out of the FX5600XT (possibly a Gigibyte card) I put in last week.
> >Compared to the onboard Nforce2 quality I was getting, it sucked!  So,
> >beware, I believe that it varies from manufacturer to manufacturer.
> >and was really happy with the results, so I wanted to respond, so
> >maybe more people would see your advice.
> >
> >I'm not sure I could tell much difference by setting the overscan to
> >250.  It was just very slight on my card/tv.  But, setting this made
> >me adjust my GUI size IN MYTH  SETTINGS/APPEARANCE down to ~540x750
> >and set the offsets to X = 15 Y = 20 so that everything stayed on the
> >screen.  Not a big deal.
> >
> >
> >
> >>In "nvidia-settings", set the flicker filter to 1, and sharpness to
> >>about 6 to 8. Set "TV Saturation" to about 172 to 178. The last
> >>one is important. I've found that both nVidia and ATI tvout tend
> >>to bleed bright reds when the TV is set the same as for a TV signal.
> >>The best solution I've found is to turn down the color on the TV set
> >>to just below the point where reds pulsate, glow or bleed then turn
> >>up this nvidia saturation control. Recording with higher sat would
> >>distort the colors in the recording and the Xv saturation seems to
> >>cause distortion also. However, the nvidia setting gives colors more
> >>body without distortion until you are at a point where the colors are
> >>cleanly overdriven.
> >>
> >>
> >(snip)
> >
> >
> >>--  bjm
> >>
> >>
> >
> >Now the Flicker and Sharpness adjustment made a BIG difference.  I'm
> >now convinced that lowering these settings is an absolute must.
> >Scrolling text used to be fuzzy, but now is crisp -- almost too much
> >with a harsh edge. The Flicker Filter made the biggest difference.  I
> >get a bit of flicker in the horizontal lines in the GUI, but that is
> >expected on an interlaced TV.  To control this somewhat, I have my
> >Flicker Filter set to ~12.
> >
> >Turning up the Saturation helped a little to improve the vibrancy, but
> >this card isn't a good judge of color.  I have a new MSI FX5200 coming
> >today from newegg; will play more this weekend.
> >
> >Thanks for the (as always) very good suggestions,
> >
> >-rac
> >_______________________________________________
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> >mythtv-users at mythtv.org
> >http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
> >
> 
> --
> 
> Scott Minneman
> J.D. Candidate, 2007
> The George Washington University Law School
> 
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