Re: Designers, Color Management, and Xrite , some thoughts and comments.
Re: Designers, Color Management, and Xrite , some thoughts and comments.
- Subject: Re: Designers, Color Management, and Xrite , some thoughts and comments.
- From: "email@hidden" <email@hidden>
- Date: Sun, 20 Apr 2008 14:27:05 -0400
Roger Breton wrote:
http://docs.info.apple.com/article.html?artnum=93794
Here, apple's own words, is a description of the mess.
What a mess, indeed. And this is supposed to be pro software? It may not
mean much to certain people but seeing how convoluted a workflow this
situation makes, I'm wondering what has happened at Apple through all these
years of software evolution and ColorSync ubiquity!
Roger Breton
There are two sets of distinct problems.
The first : Apple has it's own evolutionary trail. The whole gamma
issue was based upon viewing in high luminance conditions. Setting the
display to a lower gamma at higher luminances makes a lot of sense.
It boosts the shadow detail that is overwhelmed by the flare and at
higher luminance levels, scenes appear to have more contrast. This
does make sense.
The second issue: Ambient illumination is not static. While the gamma
assumption that Apple made was good for the original Mac situated on the
kitchen table at noon, it starts to fall apart during the day. When
viewed in a dark environment the situation is not good. All major
display calibrator vendors (all two of us) are offering some form of
ambient correction. It has been well recieved by the consumer, but to
be honest, I'm not sure how valid it really is. It certainly improves
the viewability of the display at high luminances, but I wouldn't want
to be doing screen to print matching with ambient turned on.
As you can see from the apple document, video workflows are very
convoluted. The basic ICC workflow is not really suited for video and
motion picture, although I will get various levels of disagreement from
some folks in the ICC on this point. The entire workflow is tradionally
done in an "output referred space". That's why it is very important to
stick to the definition of the space.
I've just started working in video editing systems and I am simply
amazed at the complexity. The format/codec selection process is
staggering and I am now starting to understand the technical
landscape. There is a lot of room for mischief here.
Take care,
Tom
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