[Tig] RE: monitor calibration
Thu Jun 2 18:20:23 BST 2005
> BTW, Dennis, your post was a little hard to read. A few blank lines would
> help section it off. Just a suggestion.
It was nicely typed, and spaced, but got reformated.
> > Apply 20 IRE gray window over black. There is no published target value
> for black level. I
> use .78 FTL
> How did you arrive at 0.78fl?
I asked Sony. I asked Ron Williams. Nobody had a number.
I noticed this where I would end up with 20 IRE. My own conclusion after
> This is the crux of the issue I noticed. Not that you are doing anything
> wrong. As you said, there is no published number that we can call a
> standard. I've heard several explanations of how people have decided on
> their approach to setting black level.
> Black level is, almost exclusively, a perceptual setting that is dependant
> --again, almost exclusively-- on the surround illumination. The one goes
> with the other. You cannot isolate the two except metrologically, which
> NOT how we see. That's why "doing it in the dark" is not correct as no
> real-world viewing environment offers this condition.
> Martin Euredjian
> eCinema Systems, Inc.
> voice: 661-305-9320
> fax: 661-775-4876
> martin at ecinemasys.com
> participate in the tig wiki pages at http://tig.colorist.org/wiki
> Tig mailing list
> Tig at tig.colorist.org
More information about the Tig