[opendtv] Re: New Chips Improve Color TV Dramatically
- From: Doug McDonald <dtvmcdonald@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 30 Jun 2004 07:23:49 -0700 (PDT)
--- cliff benham <cbenham@xxxxxxxxxxx> wrote:
> Last summer, I saw NTSC pictures on a restored,
> properly adjusted
> CT-100, the very first RCA color set
> and the only "TV Set" ever built with an unequal
> bandwidth I-Q decoder
> and a 15GP22 CRT, the only CRT ever to employ the
> original NTSC phosphors.
> Next to it was a properly adjusted 12 inch (Sony
> Trinitron CRT)
> Tektronix 650 color monitor. The source material was
> transferred film
> and video on DVD.
>
> The RCA had much darker, richer greens than the TEK,
> and produced a
> subjectively more pleasing color picture than the
> TEK.
> The RCA pictures had a very different look than the
> TEK and were more
> preferable to me. The TEK produced yellowish greens.
> If all the decoding and phosphor coordinates are so
> close, why did they
> look so different?
>
Well, dear top-poster, I already said why:
> >The greens except the original NTSC (and Adobe RGB)
> >green are very close. The original NTSC is wildly
> >different from all the others (except Adobe RBG),
> and
> >is wildly inferior. The NTSC green is green, the
> >other are a rather sickly yellow green.
The greens are close except for the original
NTSC one and it's close cousin, Adobe RGB.
NOTE: you can have that NTSC green today, if you wish,
by buying a Panasonic RP-LCD set. I own one ...
it's green is a monochromatic 546 nm ... exactly on
the outer edge of the CIE curve.
Doug McDonald
=====
Doug McDonald
my last name at scs dot uiuc dot edu, not here at Yahoo, please
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