Re: NTSC Monitor Vs Apple IIgs' Monitor

[pausch@saaf.se (Paul Schlyter)]

In article <djacp2$elq$1@services.kq.no>,
Knut <kr-lund@nogarbage.online.no> wrote:

................................

>DVD's in France and Germany are sone 2 anyway, it is compatible, if not 
>completely the same.
>
>I would recommend this article by Mark P. Fishman
>http://groups.google.com/group/comp.sys.tandy/browse_thread/thread/221416fd336c4ec9/de2faf469cbe2199?lnk=st&q=color+burst+group:comp.sys.tandy&rnum=1&hl=no#de2faf469cbe2199
>
>sorry about the awful link you probably have to paste it together.

Try this link instead:     http://tinyurl.com/cbn5e

:-)



>It explains why we Europeans often refers to NTSC as 'Never The Same Color'. 
>What I learnt while I was searching to confirm what I thoughts is that SECAM 
>is older than PAL and that PAL really is better. It is not always best to be 
>first if there is room for improvement. Anyway NTSC has its points and the 
>difference in quality is nowadays mostly number of lines and frame 
>frequency.
>
>To write something OT too: When I changed motherboard to an NTSC in my A//e 
>from PAL (to get 60Hz output from my RGB card) I wondered why there was no 
>color/b&w switch.
>
>I found that it is not necessary because the composite video of NTSC has its 
>Y component at full all the time and it expects the color decoding of the 
>color NTSC monitor/TV to filter the Y component so you would not get 
>vertical stripes.
>
>On the PAL motherboard the switch changes the signal so in color mode the Y 
>component will vary and you get grayscale on a b&w monitor and in b&w mode 
>you get b&w on a color monitor/TV.
>
>On the framegrabber I do get some vertical stripes on the grey "colors", it 
>looks like interference so there the filtering isn't perfect (with the 
>settings I have) or would this be typical for NTSC or is it a feature of my 
>framegrabber? (I can't really trust my TV either because it is only an NTSC 
>compatible PAL TV.)
>
>Knut 
>
>


-- 
----------------------------------------------------------------
Paul Schlyter,  Grev Turegatan 40,  SE-114 38 Stockholm,  SWEDEN
e-mail:  pausch at stockholm dot bostream dot se
WWW:     http://stjarnhimlen.se/