The other 8 bits form the alpha channel

Post #308,771 by scoenye 5/15/09 8:07:54 PM Reply	The other 8 bits form the alpha channel The card uses 8 bits per color and the 32 bit selection contains only 24 color bits.
Post #308,772 by Another Scott 5/15/09 8:48:27 PM Reply	Understood. But... But I'm seeing no difference between "16-bit" and "32-bit" color on the Samsung. Hmm. I don't see any difference in the Windows color setting on my 1680x1050 T61 screen either. Changing between 16-bit and 32-bit shows the same color bands in the Display Properties box. But I don't see the skin-tone problems here - faces look fine. Curious. Maybe I messed things up when I used "Monitor Calibration Wizard" to set up the Samsung. I'll have to try it again... Thanks. Cheers, Scott.
Post #308,775 by boxley 5/15/09 9:25:08 PM Reply	getting old? /me flees
Post #308,776 by scoenye 5/15/09 9:32:43 PM Reply	Don't go by the Display Properties thingy It has never worked right. I know you're working with an NVidia card, but e.g. almost all versions of Intel's integrated graphics chips suffer that issue. Go find some monitor test patterns and see what they tell you (One here, but there are others out there: http://www.stargazin...testpatterns.html)
Post #308,781 by folkert 5/15/09 10:26:22 PM Reply	I agree... Try this place: http://www.lagom.nl/lcd-test/ Lotsa good info and calibration tends to really make a difference for me on thing.
Post #308,783 by Another Scott 5/15/09 10:34:58 PM Reply	Thanks both of you. I'll give it a shot.
Post #308,925 by Another Scott 5/19/09 3:29:59 PM Reply	Bingo. http://www.stargazin...testpatterns.html shows a smooth transition in the 255-step grayscale. http://www.lagom.nl/...test/contrast.php shows that I'm seeing more than 16 bit color as well. The weird colors for faces seems to have been due to a conflict between the Adobe Gamma control panel widget and "Monitor Calibration Wizard". Exiting MCW and using Adobe's tool gives much more natural looking colors, but it's not quite as flexible as MCW in making the fine adjustments. I'll mess around with this some more when I get time, but as it stands now it looks much better. (Before highlights on faces were very red.) Thanks again. Cheers, Scott.

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