[argyllcms] Re: Getting back to using argyllcms. Some questions.

Leonard Evens wrote:

I reviewed for myself how LCD monitors work.   Is there anything, such
as the brightness of the light soure, which one adjusts at the hardware
level.  Or it it just all done by  the internal LUT.


Typically the brightness (backlight intensity) is a hardware
adjustment that doesn't compromise the image quality. More
advanced displays that use RGB LED backlight will allow
white point setting as well. If the display has greater
than 8 bit precision internally, but the graphics card
LUT or interconnect (ie. DVI etc.) is only 8 bit and
the calibration package can't set the internal LUTs (ie.
Argyll currently), then there may be advantage in setting
transfer curve (gamma etc.) on the display as well.

Graeme Gill.

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