[opendtv] Re: New Chips Improve Color TV Dramatically

Doug, you've deliberately mis-read this tread. I now switch off, there's no
point continuing.

----- Original Message ----- 
From: "Doug McDonald" <dtvmcdonald@xxxxxxxxx>
To: <opendtv@xxxxxxxxxxxxx>
Sent: Wednesday, June 30, 2004 1:50 AM
Subject: [opendtv] Re: New Chips Improve Color TV Dramatically


> --- Alan Roberts <roberts.mugswell@xxxxxxxxxxxxxx>
> wrote:
> > Mark, we all agree that they are near identical.
>
>
> I do not agree. The blues are near identical.
>
> The reds are very close.
>
> 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.
>
> And my eye is pretty well calibrated from decades of
> staring at pure, monochromatic, at the edge of the CIE
> diagram, lasers. I can tell with 10 nm the wavelength
> of any color, and within 3 nm for the 555-620 nm, just
> by looking. This gives some idea of what a trained
> person can do at the edge of the chart. Inside, while
> I can do pretty well at the dominant wavelength,
> I have no good ability to tell saturation ...
> especially in the blue-green.
>
> Doug McDonald
>
>
> =====
> Doug McDonald
> my last name at scs dot uiuc dot edu, not here at Yahoo, please
>
>
>
>
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