RE: Jeri videoboard gfxconv

From: William Levak (wlevak_at_cyberspace.org)
Date: 2001-05-26 05:08:43

On Fri, 25 May 2001, Richard Atkinson wrote:

> > Most TV's distort the color a little to emphasize flesh tones at the
> > expense of other colors.
> 
> I think here you're referring to the NTSC automatic hue control of some US
> televisions; this only applies to more modern NTSC sets. PAL sets do not
> have (or need) such circuits at all.

I was referring to the color response curve, which is not directly
proportional to the signal.  The region for flesh tones is stretched out
and the adjacent color regions are compressed.  This prevents images of
people looking greenish when the signal is slightly off.


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