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blinkstar
Joined: 29 Dec 2010
Posts: 11
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| Posted: Wed Dec 29, 2010 2:24 am Post subject: Gamma Calibration for Dummies? |
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First, thanks to this forum for all the excellent information it has provided me with. The "Calibration for Dummies" thread is the BEST and only easily-understandable guide to grayscale calibration I have been able to find on the net.
My Z3 LCD front projector has a gamma setting, as well as seperate red, blue and green gamma settings. Using HCFR and a spyder2 optical sensor, can anyone give me step-by-step instructions on how to calibrate gamma? I know the grayscale calibration thread has some stuff about gamma but it doesn't really offer step-by-step instructions on how to set it ...
Thanks for any and all input!
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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| Posted: Wed Dec 29, 2010 4:22 pm Post subject: Re: Gamma Calibration for Dummies? |
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| blinkstar wrote: | | I know the grayscale calibration thread has some stuff about gamma but it doesn't really offer step-by-step instructions on how to set it ... |
I thought it did! 
Do a complete set of measurements and look at the gamma graph. Adjust it up if it's low, adjust it down if it's too high. If it's above in some spots and below in others, you'll need some form of paramtric (multi-point) gamma adjustment to fix it. Some advanced displays offer this. No idea if your projector does. Another option is something like a DVDO Duo or Radiance video processor. Both offer advanced gamma adjustment.
Links:
Duo: http://www.curtpalme.com/ChromaPure_iScanDuo.shtm
Radiance: http://www.curtpalme.com/Radiance.shtm
Good luck!
Kal
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blinkstar
Joined: 29 Dec 2010
Posts: 11
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| Posted: Thu Dec 30, 2010 2:21 am Post subject: |
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Thanks for replying, Kal! I'll read it again and do as you suggest.
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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Alex_DeLarge
Joined: 09 Feb 2011
Posts: 5
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| Posted: Sat Feb 26, 2011 2:23 pm Post subject: |
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Hi there,
I'm really so sorry to hijack someone else's thread, but I'm having pretty much the same gamma problems with an LG 42LD550.
Any help would be very much appreciated.
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