Re: Monitor calibration software for OS9 computer
Re: Monitor calibration software for OS9 computer
- Subject: Re: Monitor calibration software for OS9 computer
- From: Scott Martin <email@hidden>
- Date: Fri, 18 Sep 2009 08:14:27 -0500
On Sep 17, 2009, at 10:49 PM, Marco Ugolini wrote:
Is there actual evidence which demonstrates convincingly and
conclusively that substituting one video card for another on a given
CPU attached to a given monitor always and inevitably changes the
signals that are sent to the display in a way that is clearly
perceived by an observer with average color perception?
I've been traveling around calibrating displays for hire since 1994
(well before colorimeters were used) and I've seen it again and again.
I calibrate someone's display, they swap out the video card and things
are obviously different. I've also seen DVI video cards swapped out
and I've run CEDP's verification to confirm that re-calibration wasn't
needed. So sometimes a profile is valid across different video cards
and sometimes it isn't. It may very well be that DVI connections are
video card independent but until I know otherwise I'll encourage
clients to re-calibrate when any portion of their display system
(monitor, video card *and* cable) is changed.
Scott Martin
www.on-sight.com
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