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stridsvognen
Guest
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| Posted: Mon Feb 25, 2013 11:17 pm Post subject: JVC D-ILA CALIBRATION |
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I just finished my JVC X7 / Lumagen Radiance XS calibration, and will post some before and after measurements.
This is all manual calibration. No autocalibrate.
Let me know what you think.
Picture mode STAGE
Color profile STAGE
Gamma NORMAL
CMS OFF
IRIS -4
Latest HCFR software-->
http://sourceforge.net/projects/hcfr/files/latest/download?source=files
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stridsvognen
Guest
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| Posted: Wed Feb 27, 2013 12:05 am Post subject: |
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Just finish playing calibrating in the 125 point CMS manually. I can calibrate 24 points with HCFR, so i calibrated all primary and secondary colors 25% 50% 75% 100% IRE.
Its very nice indeed.. Its a big improvement over just calibrating at 100% IRE 
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AFryia
Joined: 09 Mar 2006
Posts: 965
Location: S.E. Michigan VPH-G70Q
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| Posted: Sun Apr 28, 2013 1:24 am Post subject: |
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Looks very good to me.
Curious, you bought the X7 and the Lumagen. Don't take this the wrong way but with the X7 CMS why buy the Lumagen? Or one JVC model below with the Lumagen?
Curious is all.
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stridsvognen
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| Posted: Sun Apr 28, 2013 1:47 am Post subject: |
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| AFryia wrote: | Looks very good to me.
Curious, you bought the X7 and the Lumagen. Don't take this the wrong way but with the X7 CMS why buy the Lumagen? Or one JVC model below with the Lumagen?
Curious is all. |
Well i bought the Lumagen for my Marquee to run 72/75hz
But i have to say that the JVC CMS and gamma corection is tricky, and not easy to use. And calibrating it with the lumagen is much better. Specialy the 125 point CMS will make a big difference.
I have seen the JVC X30 with a Radiance XD, and i think the difference in contrast alone is worth the extra cost of the bigger models.
But its expensive and time consuming to keep these JVC machines running and performing.
I have been seeing and talking with quite a lot of owners with these machines and 500-700 hours on the lamps seems to be where they all have to be changed, and the calibration should be done every 100 hours, to please my demands.
Also if JVC had offered some firmware upgrades, im sure a lot of stuff would be better on the X7, but JVC dont seem to be interested in supporting yesterdays models.
Lumagen offer amasing support.. 
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CIR Engineering
Joined: 25 Aug 2008
Posts: 4269
Location: Chicago USA & Berlin Germany
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| Posted: Sun Apr 28, 2013 2:25 pm Post subject: |
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When you calibrate color gamut it is better to error slightly on the side of over saturated than under. Specifically, in your first chart I can see that green is slightly under saturated. That would look better if you over saturate. Also, it seems blue and yellow may be slightly under saturated. Often blue cannot be made more saturated, so you may be stuck there.
craigr
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stridsvognen
Guest
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| Posted: Sun Apr 28, 2013 2:38 pm Post subject: |
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| CIR Engineering wrote: | When you calibrate color gamut it is better to error slightly on the side of over saturated than under. Specifically, in your first chart I can see that green is slightly under saturated. That would look better if you over saturate. Also, it seems blue and yellow may be slightly under saturated. Often blue cannot be made more saturated, so you may be stuck there.
craigr |
Well its a compromise..
I can select a profile in the X7 where green is oversaturated.. BUT A LOT.. Or this profile where it a bit under saturated, i tested both, but pulling the green in with the lumagen from the heavy oversaturated profile make a lot of color banding, and i cant live with that, and so yellow is stuck there to.
If i remember right, the profile with the oversaturated green puts blue more off to.
i can make a de under 2, maybe under 1 on all 6 colors, so its not to bad.. But it wont last long on a JVC anyway..
The calibration file i put here is not perfect on the colors, ill put another next time i calibrate it.
The other thing is my probe, im not sure its tolerances is smaler than the calibration at this point.
What profile would you use for the RS50 / X7.?
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