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Zaaacharias
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[CS6] using "maximum bit depth" creates strange color artifacts in highlights

Sep 9, 2012 5:56 AM

Hey guys,

I ran into a very strange problem.

When I enable the "Maximum Bit Depth" checkbox in the sequence settings or in the export settings some highlights of the video get replaced by strange colors. In the timeline during playback everything seems fine but when you stop the playback you get the strange colors. All exports have the weird colors.

 

System: Win7 64bit

Premiere 6.0.2 (problem also occured in 6.0.1)

Video Source: MOV DnxHD 185x 422 10bit

 

Problem occurs:

- in timeline when playback is stopped

- all exported videos have the strange colors

 

Problem doesn't occur:

- in timeline during playback

- when you export a still frame with "Export Frame"

 

Any ideas?

 

Maximum Bit Depth OFF:

maxbitdepthoff.jpg

 

Maximum Bit Depth ON:

maxbitdepthon.jpg

 

Maximum Bit Depth OFF:

maxbitdepthoff.jpg

Maximum Bit Depth ON:

maxbitdepthon2.jpg

999 Views   3 Replies   Latest reply: DMH79, Oct 14, 2012 9:46 PM
 
Replies
  • notex235
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    1. notex235,
    Oct 14, 2012 3:14 PM   in reply to Zaaacharias
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    I have the same problem

    somethings without max. bit depth

     
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  • nw42
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    2. nw42,
    Oct 15, 2012 7:04 AM   in reply to notex235
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    had the same problem - currently it's working right...

     

    Had problems with exported DNXHD MOV's

     

    Interesting - video was fine but all RGB inserts had the problems - I think it has to do with bitdeep/GPU rendering...

     

    Adding a "legal colors filter" to the RBG inserts solved the problem.

     

    --> A FinalCut editor told me today he also had such problmes with DNXHD MOV's on MAC

     

    Message was edited by: nw42

     
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  • DMH79
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    3. DMH79,
    Oct 14, 2012 9:46 PM   in reply to Zaaacharias
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    Yeah, had that issue with strange color artifacts flickering on a shot. Didn't show in the timeline and after about 12 hours of tests and re-exports, I finally unchecked Max Bit Depth and all was good. For me it was a green artifact flicker that happened in the middle of a transition (a basic cross dissolve with one of the videos blurring out (gaussian blur). It wasn't even in the highlights really, it was on a girl's face/chest that was properly exposed. Guess I'll just avoid checking that box going forward.

     
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