[opendtv] Re: New Chips Improve Color TV Dramatically

--- 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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