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Blue shadow arround transparent MOV-Files

Community Beginner ,
May 13, 2019

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Hello,

we’ve a prblem with Premiere. Since an update the problem ist at every workstation the same:

When we import a MOV-file with a transparent background, premiere puts a blue shadow around the element. We do not know where the problem lies. It only occurs with MOV files. Not with transparent graphics.

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Blue shadow arround transparent MOV-Files

Community Beginner ,
May 13, 2019

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Hello,

we’ve a prblem with Premiere. Since an update the problem ist at every workstation the same:

When we import a MOV-file with a transparent background, premiere puts a blue shadow around the element. We do not know where the problem lies. It only occurs with MOV files. Not with transparent graphics.

premiere.jpg

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May 13, 2019 0
Contributor ,
May 13, 2019

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Where are these MOV's coming from? Do you know if the alpha channel is bring properly exported?

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May 13, 2019 0
Community Beginner ,
May 13, 2019

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These are files stored on local computers. If I export the project as mp4, then the blue shadow is exported with.

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May 13, 2019 0
Contributor ,
May 13, 2019

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Where are you exporting them from? Could you share a screenshot of your original MOV export settings?

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May 13, 2019 0
Community Beginner ,
May 13, 2019

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do you mean this?hoch.jpg

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May 13, 2019 0
Contributor ,
May 13, 2019

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I don't think that's quite what I'm looking for, but your screenshot gave me a hint as to what might be your issue.

It looks like there's a slight shadow around the white portion of the video; I imagine that's affecting how the background keys out within premiere since those shadowy pixels will be a lower value (darker) than the rest of the blue being keyed out.

Where did you originally get this clip? Did you create it yourself? Is it downloaded from the internet? Is it from a friend or colleague? I ask because if you can access the project files of the original composition, you could delete that shadow and the background should export and key out cleanly.

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May 13, 2019 0
Community Beginner ,
May 13, 2019

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Hello, thanks for the hint. That's what we'll try now. Strange that it has never been a problem, only a few days ago.

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May 13, 2019 1
Contributor ,
May 14, 2019

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True; it almost 100% had to do with the update. I see the pro's recommend you never upgrade while you're in the middle of a project. And make sure auto-updates are turned off

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May 14, 2019 0
Contributor ,
May 14, 2019

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One more thing, have you changed how you import files at all? Sometimes errors happen when pulling things in by going File->Import (or Ctrl+I), so maybe try importing by clicking and dragging from your Media Browser?

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May 14, 2019 0
Community Beginner ,
May 14, 2019

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Hello,

Thanks a lot! Unfortunately, this leads to the same result. We'll take the shadow out and try again.

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May 14, 2019 0
Adobe Community Professional ,
May 14, 2019

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Try turning off 'Composite in Linear colour' in the sequence settings

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May 14, 2019 0
Adobe Community Professional ,
May 14, 2019

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Looks to me its the shadow.

Try interpret footage on the alpha channel.

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May 14, 2019 0
bizzy401 LATEST
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Nov 17, 2020

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I am having this exact problem and I unchecked that and it helped, but it did not solve the problem. Any other ideas?

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Nov 17, 2020 0
Contributor ,
May 13, 2019

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Additionally, a simple fix may be to just luma key out anything not white, and you should be left with a clean MOV in your Program Monitor.

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May 13, 2019 0
Adobe Community Professional ,
May 14, 2019

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did you try to switch the renderer to software only?

or go to modify - interpret footage and change how the alpha channel is imported

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May 14, 2019 0