Participating Frequently

Question

Yellow streaks on rendered video

Forum|Forum|1 year ago
November 14, 2024
3 replies
1026 views

Hi,

I notice some yellow spots and streaks in some parts of my videos (see photo attached). They're very visible when I stop the video, but almost impreceptible when I watch it. What could this be? They are not present in the original video.

The video is shot and edited on a Mac at 25fps.

Thank you!

Francesco

Editing

This topic has been closed for replies.

maksh95923910

Participating Frequently

Hi Francesco,

It sounds like this could be an issue related to color or compression artifacts, especially if the yellow spots are visible in still frames but not as much in playback. Sometimes, exporting settings or preview renders can cause slight color inconsistencies, particularly in compressed formats. Here are a few things to check:

Render Settings: Ensure the render settings match the original quality and color profile of your footage.
Playback Resolution: If you’re viewing at a lower playback resolution, it can sometimes alter colors or cause artifacts.
Export Format: Try exporting in a higher quality format (like ProRes) and see if the artifacts persist.

Let me know if these help or if you see any patterns based on playback or export settings!

I create what you see & hear.

V

Vaporetto Italiano_- 2255Author

Participating Frequently

Thank you very much! I'm not an export, so how do I check the color profile in the original video? 😰

R Neil Haugen

Legend

Click the clip in the bin, right-click Properties.

Everyone's mileage always varies ...

R Neil Haugen

Legend

Banding of the image, perhaps? They are very subtle, and seem to be across the areas where there is a slight brightness gradient.

What is the media ... perchance 8 bit long-GOP mp4?

Everyone's mileage always varies ...

V

Vaporetto Italiano_- 2255Author

Participating Frequently

Yes, but they don't appear in the original video 😍

R Neil Haugen

Legend

Of course they don't appear in the original video ... if banding or macroblocking, it's when you do anything to the file, tonal or color changes, or re-encode again. Then the banding and macroblocking become visible.

So back to my questions which you didn't answer ... what is the media, especially, is it 8 bit long-GOP mp4?

And btw, Mark's comments are about the same thing.

Everyone's mileage always varies ...

Peru Bob

Community Expert

It could be a watermark of a third party effect that is in trial mode.

V

Vaporetto Italiano_- 2255Author

Participating Frequently

Thanks for your reply. It doesn't appear for the all lenght of the video, but a few times and just for a fraction of a second. Could a trade Mark do this?

Thank you again!

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