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Posted by EHSTC on 04/17/07 23:30
On Apr 17, 5:34 pm, "GeekBoy" <n...@nerdy.com> wrote:
> "EHSTC" <pilkingto...@netzero.net> wrote in message
>
> news:1176843245.443261.165350@p77g2000hsh.googlegroups.com...
>
> > Hey all,
>
> > My high school TV studio has a green screen, and we have got it to
> > work, but I get loads of "sparkles" on my subject. Ive looked into
> > this online, and found that it is cuz of spill from over lighting at
> > that the screen luminisity or something should be at 40-50
> > IRE........WHAT IS IRE, and how do i measure that?
>
> Institute of Radio Engineers; IREs are units of measurement dividing the
> area from the bottom of sync to peak white level into 140 equal units. 140
> IRE = 1VP-P
>
> Using a vector or wave scope which is a lot more money than maybe the school
> is willing to spend. Unless they arelready have a scope.
> Some editing software has these on them to measure.
>
>
>
> > thanks
> > EHSTC- Hide quoted text -
>
> - Show quoted text -
ANy idea as to which program, or even what to look for in the
programs??
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