Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!rex!samsung!munnari.oz.au!brolga!bunyip.cc.uq.oz.au!oat!qut.edu.au!lunnon
From: lunnon@qut.edu.au
Newsgroups: comp.sys.atari.st
Subject: Re: Flicker on interlace
Message-ID: <1991Feb22.113551.24187@qut.edu.au>
Date: 22 Feb 91 16:35:51 GMT
References: <1991Feb19.025042.11885@ns.network.com> <1991Feb21.152704.24184@qut.edu.au>
Organization: Queensland University of Technology
Lines: 19

In article <1991Feb21.152704.24184@qut.edu.au>, lunnon@qut.edu.au writes:
> 
> This is easy, when you look at a moving picture on TV from 6 meters you dont
> notice it, but on a computer monitor from 2 inches it's headache stuff.
> The interlace moves the image down by half a line every odd field so if the
> same image is on both fields a horizontal line appears to jiter up and down
> if the line is only on one field as on an Amiga or with the interlace gizmo
> then the line only gets written on half the frames or at 15 Hz (yuk)


							  ^ oops I made a
								boo-boo
	Make that 30 Hz ( With 60Hz normal frame-rate )
> 
> Next time your local TV station shows their overlaid bright white titles
> look at the top edge of the title to see what I mean.
>                BOB
> 		R.Lunnon@qut.edu.au
>