Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!uunet!tektronix!percival!parsely!psueea!psu-cs.cs.pdx.edu!bartonr
From: bartonr@psu-cs.cs.pdx.edu (Robert Barton)
Newsgroups: comp.sys.amiga
Subject: Interlace
Message-ID: <1222@psueea.UUCP>
Date: 19 May 89 02:03:31 GMT
Sender: news@psueea.UUCP
Reply-To: bartonr@psu-cs.cs.pdx.edu (Robert Barton)
Organization: Dept. of Computer Science, Portland State University; Portland OR
Lines: 19

In article <15500001@ux1.cso.uiuc.edu> phil@ux1.cso.uiuc.edu writes:
>Broadcast television does not suffer from flicker because the change from
>one line (scanned in one cycle) to the next (scanned in the other cycle)
>is very little.

  It just depends on what you're watching.  If you have cable, check out
CNN Headline News when they show one of their weather maps with the narrow
horizontal state lines and you can see flicker in the Midwest.

>High Definition Television, unfortunately, is continuing with the interlace
>system at about the same frame rate.

  The proposals I have seen for HDTV also call for 1050 scan lines instead
of the current 525 lines.

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