JVC Auto Calibration - Page 4 - AVS Forum
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post #91 of 94 Old 04-14-2014, 11:40 PM
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interesting article about the JVC auto-cal. From Ekki's write up it appears that the Gamma/Greyscale calibration is excellent, while the color calibration is just passable.
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post #92 of 94 Old 04-15-2014, 12:21 PM
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I don't know what I should think about the cine4home "special" about the JVC autocal.

Ok, it's good concerning what's basically possible and what's the result by use of the Spyder4 probe.

Referring to the X700 C4H has used, and regarding to my own X75 calibration experiences, I'm afraid, there is some detail information missed out concerning the effort of a total calibration. Using the JVC autocal SW I have to run color/gamma calibration in differend operating modes (CMD on/off, grouped lens aperture settings, lamp mode, wide gamut filter mode). I think, it's applicable to the X500/700/900 too. I mean, it wouldn't be very good, if the user change e.g. the lens aperture, and on screen suddenly happens a perceivable color temp shifting, because the PJ was switching over to an other data record for color correction (like the X55/75/95 is doing that). And I don't know any PJ, who's free of color shifting if the lens aperture is used.

And I think, the report is wrong concerning that the PC can be used as signal generator via HDMI. There is no word about in the manual of the JVC autocal SW V5 (and no update available). As far as I can say, the JVC SW takes only use of the PJ's internal pattern generator controlled by LAN.

So if a PC could be used as pattern generator, I think JVC would have noted in the manual some information about the needed graphic card setup (RGB/YCbCr, HDMI PC or video range, LUT dependency, setting up the PJ's HDMI input, and so on). And depending on the used GPU (AMD/NVIDIA), the result could be one way or another. I personally do not use the PC as substitution for the BR player signal.

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post #93 of 94 Old 04-18-2014, 01:05 PM
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Inspired by the posts on here purchased a Spyder4Elite and tested my X90.

High lamp/6500K/custom1/Gamma2.2/meter at midway point on software graphic/Iris open/HDMI SuperWhite

Quality settings 33 point colour/gamma 20mins to complete and saved under User1

Spyder4-1_zpsecc99d63.jpg
Spyder4-3_zps55a99479.jpg
Spyder4-2_zpsa67c9a01.jpg

Compared to the THX readings as above not much in it with this cheap meter.
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post #94 of 94 Old 07-03-2014, 12:09 PM
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There is something intesting for JVC projector users today after the following CalMAN's release...

CalMAN 5.3.5 (Final Release) Build: 1597 Released @ 03 July 2014

Changes

CalMAN now supports the JVC x5 and x6 series CMS DDC controls in native ranges.


Dowload Link:
Download[/URL] CalMAN 5 for Business / ColorChecker 5.3.5 (Build 1597)
Download[/URL] CalMAN 5 for Home Video Calibration 5.3.5 (Build 1597)


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S/W: LightSpace CMS, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, CalMAN RGB, ChromaPure, CalPC, ControlCAL
Meters: JETI Specbos 1211, Klein K-10A, i1PRO2, i1PRO, SpectraCAL C6, i1D3, C5
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