Re: Apple Cinema Display LED
Re: Apple Cinema Display LED
- Subject: Re: Apple Cinema Display LED
- From: Scott Martin <email@hidden>
- Date: Sat, 11 Jul 2009 19:56:21 -0500
On Jul 11, 2009, at 7:45 PM, Roger wrote:
Shame on me. I tought all that was required was the DisplayPort
connector?
Brightness settings are communicated via the USB port and there can be
issues with some USB configurations. Controlling the brightness and
iSight cameras separately when multiple Cinema displays are used is
also problematic. Along with the double profiling ColorSync bug
Apple's got a little work to do.
And if they would offer an anti-glare museum glass option on all their
pro display products it would make a lot of geeks happy.
This being said, if I may ask, what do you mean by “control the
hardware brightness via DDC”? Is it known that this monitor has some
internal hardware LUT?
No internal LUT, but those apps are smart about adjusting the
brightness setting to achieve a desired luminance. I'm pretty
impressed with CEDP's smoothing of gradients on displays without an
internal LUT. Their iterative process (that continues to tweak each
step until a tolerance is met) is the key.
Scott Martin
www.on-sight.com
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