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From: seanc@pro-party.cts.com (Sean Cunningham)
Newsgroups: comp.sys.amiga.graphics
Subject: Re: term \
Message-ID: <8910@crash.cts.com>
Date: 29 Apr 91 09:16:19 GMT
Sender: root@crash.cts.com
Lines: 33

In-Reply-To: message from dltaylor@cns.SanDiego.NCR.COM

I enjoyed your message, but felt that I must make a correction with regards
to your claims on NTSC video.
 
NTSC has 525 horizontal scanlines, of which, 480 +/- 3 are actually used
for the picture.  Vertically, about 330 lines at best are broadcast.  So
here you have 330 lines across, and 525 up...but these don't necessarily
equate equally to pixels.
 
For video gear, 400 lines of resolution or better is needed to be
considered broadcast quality...even though the extra resolution is never
broadcast, it helps during the editing process where one or more dubs may
be used.
 
There are moniters out there that can display some 800 lines of
resolution...but you won't find a video deck that can record NEAR that. 
There are some professional cameras that will already handle 800 lines, but
the recording technology isn't ready to handle it all yet.  ED-Beta is
probubly on top with 520+ lines of resolution.  Digital video is probubly
the only way we'll do much better than this...but since HDTV, in some form
or other, will be the next standard, 800 lines will seem coarse!
 
Sean

 
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