Exporting with extremely high saturation - only some clips

New Here ,
Feb 12, 2022 Feb 12, 2022

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Hey! 

I'm having an issue with colour grading on certain clips within this project. The MP4 clips in question were at a very low saturation when imported (I'm not sure what their picture profile was). As with other clips, I gave them some correction, brightened them up, boosted the saturation, all in Lumetri Color. Normal stuff, I believe. 

In the timeline clip thumbnail (I edited this colour within a subsequence) the colours look quite saturated, but in the video preview it looks just the way I want, so I don't think too much of it. However when it comes to exporting, sure enough the clip is extremely saturated. I've attached a comparison image here.

Untitled-1.png

Any insight would be very welcome. I can't figure it out.

Thanks!

 

(Note: When I export the clip without colour correction, it looks exactly the same as the raw footage, which makes me think there's something wrong with the way the clip interacts with Lumetri Color. Other clips within the project are not affected this way.)

 

 

TOPICS
Editing , Error or problem , Export , Formats

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Adobe Community Professional ,
Feb 12, 2022 Feb 12, 2022

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Adobe Community Professional ,
Feb 12, 2022 Feb 12, 2022

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Are those clips perchance log-encoded in the camera? Premiere is mis-interpreting some camera's log-encoded SDR/Rec.709 clips as if they are intended to be HLG, an HDR form. As well, all HDR is log-encoded, but ... some log-encoded clips aren't HDR.

 

Premiere's new color system still gets confused on this, especially with some Sony & Panny cameras.

 

Neil

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New Here ,
Feb 21, 2022 Feb 21, 2022

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Sorry it's taken so long to reply - I've been sidetracked by other things. This may be the issue - however I don't have access to the camera to check. How might I find this out/resolve it if that is the issue?

Thanks!

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Adobe Community Professional ,
Feb 21, 2022 Feb 21, 2022

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What camera are they from? What is the extension of the file ... mov? mp4? braw? What?

 

And what does Premiere show for the files when you check the file properties? In the bin, right-click, Properties ... ?

 

Neil

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New Here ,
Feb 22, 2022 Feb 22, 2022

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The camera was from the Sony A7 series but I'm afraid I can't tell you exactly which one. Here are the file properties. The sequence color space is also Rec. 709 everywhere I can see

Screenshot 2022-02-22 at 10.20.25.png

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New Here ,
Feb 22, 2022 Feb 22, 2022

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And yes they all have .MP4 extension

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Adobe Community Professional ,
Feb 22, 2022 Feb 22, 2022

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I would guess those files were log-encoded, and Premiere is mis-handling some Sony and Panny log-encoded Rec.709/SDR clips at this time. It sees the clip as Rec.709 in the file properties, but displays the log-encoded clip as if HLG ... and sometimes people are able to recover in Lumetri and it exports ok, but others get a blown out export.

 

Those I've tested, and they have to be transcoded elsewhere before being brought into Pr.

 

Neil

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