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Gamma shift when importing Prores in Adobe After Effects 6.0

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Polona Kuzman
Gamma shift when importing Prores in Adobe After Effects 6.0
on Dec 22, 2012 at 11:19:44 am

Hi,
I was searching on the net about this one, but can only find old issues wait gamma and prores in old versions of AE, so I hope someone can give me a hint about this one.

I am trying to import Prores HQ file (that was color corrected in Rec709) and export it to a j2c sequence in DCDM X'Y'Z (gamma 2.6) 5900K by using Fnord plugin for j2c sequence.

The results are too bright and the colors wached out.
I am comparing to the results to what I get with EasyDCP creator and to the results I get with OpenDCP conversion of tiffs that I exported from Quicktime 7.

  • I am using After Effects 6.0 (11.0.0.378) on Osx 10.7.5.
  • The file I am trying to import is probably made with Final cut pro.
  • In the interpret footage settings the Prores HQ file has an embedded profile: HDTV (Rec. 709) Y'CbCr and I cannot change that (it's grayed out). I am puzzled about this, because when I am exporting from AE to Prores HQ it says this format cannot have embedded profile.


I hope someone knows what might be the problem.

Thanks,
P


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Terrence Meiczinger
Re: Gamma shift when importing Prores in Adobe After Effects 6.0
on Dec 22, 2012 at 10:25:52 pm

How are you viewing the results?


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Polona Kuzman
Re: Gamma shift when importing Prores in Adobe After Effects 6.0
on Dec 23, 2012 at 12:37:21 pm

Measuring color values with Digital Color Meter in Photoshop and Easy DCP player.


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Polona Kuzman
Re: Gamma shift when importing Prores in Adobe After Effects 6.0
on Jan 3, 2013 at 4:15:58 pm

I was able to check my test reels in a cinema today.
The DCP converted with Adobe looks washed out. After applying gamma adjustment (Color Finesse Gamma 0.8) it gets a bit closer to what it should be ...
Where am I going wrong?


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