[mythtv] VGA to NTSC scan converter

Broc Stirton mythtv-dev@snowman.net
Thu, 14 Nov 2002 19:06:11 -0600 (CST)

On Thu, 14 Nov 2002, Jeremy Oddo wrote:

> >
> > Does any one have any info on what refresh would
> > theoretically work best with a scan converter?  My first instinct (60Hz)
> > proved to most defintely not be the best looking.
> >
> Seriously?  I would have guessed 60Hz as well, seeing as how NTSC
> refreshes each field at 60Hz (well, 59.94Hz)  I would have guessed that
> refreshing faster wouldn't make a difference.  Interesting indeed.  Of
> course, PAL refresh is 50Hz.

That was my reasoning (I live in Texas, so NTSC here), but the 60Hz
modelines for 800x600 and 640x480 looked pretty bad.  IIRC, it was more
flickery.  My unit has a flicker filter (not sure how good), but maybe the
small diff between the NTSC 59.9xx sync and 60Hz is the problem (?)....