[opendtv] Re: New Chips Improve Color TV Dramatically
- From: "John Golitsis" <john@xxxxxxxxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Wed, 30 Jun 2004 10:31:47 -0400
Diverging from the main topic somewhat, is there any improvement here with
something like Toshiba's "Microfilter" CRT which claims to use red and green
filters at each and every 'dot' to improve colour accuracy? Or the use of
red and green colour filters on the CRTs of rear-projection sets?
----- Original Message -----
From: <jeroen.stessen@xxxxxxxxxxx>
>
> Long ago I was told in a TV course that the NTSC green
> primary was abandoned early because it was made with a
> very slow oscilloscope phosphor. (Was that "P33" ??)
> While that is great for suppressing flicker on an
> oscilloscope image, it creates nasty motion smear on a
> TV. Therefore it had to be replaced by a faster green
> phosphor, unfortunately with a less saturated colour.
>
> But luckily the eye of the "standard human observer" is
> not very sensitive for shades of green, so this was not
> a major problem. To put it in Mark's words: in another
> perceptually uniform colour space, the NTSC and sRGB
> greens are not so very far apart. Good enough for TV.
----------------------------------------------------------------------
You can UNSUBSCRIBE from the OpenDTV list in two ways:
- Using the UNSUBSCRIBE command in your user configuration settings at
FreeLists.org
- By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word
unsubscribe in the subject line.
Other related posts:
