Re: Colorsync-users Digest, Vol 2, Issue 1
Re: Colorsync-users Digest, Vol 2, Issue 1
- Subject: Re: Colorsync-users Digest, Vol 2, Issue 1
- From: Karl Koch <email@hidden>
- Date: Sun, 2 Jan 2005 14:39:13 +0100
01.01.2005 at 21:04 Derrick wrtote:
The current ColorEyes display product supports both the DTP 94 and the
EyeOne Display 1 and 2 and many others. As for the current speed
limits? DTP94 and EyeOne Display2 are running neck and neck. Yes
there has been updates to the driver process.
And as for EyeOne Pro and the DTP94 being better? We are not saying
this, what we are saying in if you have the $1495 bucks for the EyeOne
Pro it should be the best of both worlds in one device. Most dont
have this coin just for doing monitors. In the end we have found the
DTP94 superior in quality to the Squid, EyeOne Display 1 and EyeOne
Display 2. So in summary thats why we picked the DTP94.
Yes the "under-the-hood" code is the same as Basiccolor Display 3.X,
but thats the only thing they share. That is a lot, but i assure you
thats not everything.
As I mentioned before, there is a "considerable" difference between the
two products ColorEyes display and basICColor display: The name and the
logo!!!
Getting back to the real topic: DDC is a well known standard (developed
by VESA) for years, but it comes in different flavours (the latest
being DDC/CI as of October 2004). Even an Apple Cinema Display has some
DDC capabilities, but most of them have been disabled by Apple. I guess
they don´t like the additional customer support that comes with the
technology. DDC allows the computer to communicate with the monitor. In
some monitors, you can set brightness and contrast, in some you can
upload one or more calibration curves, normally 10 bits deep. These I
would consider hardware calibratable.
The information is being transmitted via the video interface in the
monitor. With the DDC-cable the information is fed into the video cable
with a USB-adaptor that plugs into the computer. The protocol for this,
and the cables were developed by Sequel. Now there are protocols
available that transmit this information through the graphics board
right into the video cable. So, with the RIGHT video card, the RIGHT
monitor calibration software and the RIGHT monitor, you don´t need the
special DDC-cable any more.
BTW EIZO and some others use proprietary formats and transmit the
information via USB all the way.
basICColor display supports both, software DDC and the EIZO protocol.
basICColor display is available from a large number of resellers in the
U.S. and as a 14-days try-out download from www.basICColor.de. Main
contact and support in the U.S. is email@hidden
As far as instruments are concerned, a spectro is always superior to a
colorimeter – and more expensive. But the prices for spectros come down
pretty fast. From the same sources as the basICColor products, you can
get a "naked Eye-One pro (with basICColor catch measure software) at a
price of USD 799. The Eye-One, the only spectro that can do reflective
and emissive measurements (due to gmb patents) will measure different
types of displays with equal accuracy, while the characteristics of any
colorimeter will always fit the spectral properties of one monitor
better than those of a different one. That´s why colorimeters have two
built in calibrations, one for CRT, one for LCD. And since there are
different types of phosphors and different types of backlight/filter
combinations out ther, this will always be a compromise. Wait till LED
backlights are in the market and we may see yet another calibration in
colorimeters.
I wish you all a Happy and Prosperous New Year,
Karl Koch
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