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Nick Wiseman
Participant
February 20, 2026

Artifacts with footage containing an Alpha channel

  • February 20, 2026
  • 1 reply
  • 22 views

I’m trying to composite graphics footage created in After Effects in a premier timeline and I’m getting horrible ghosting effects on my graphics. I’ve tried rendering with straight and premultiplied alpha channels but it's still horrible so much so our client picked up on it. The files are rendered out as ProRes 4444. Any ideas would be welcome.

 

    1 reply

    IanB_360
    Community Manager
    IanB_360Community Manager
    Community Manager
    February 20, 2026

    Hi ​@Nick Wiseman 
    Can you share the file and the computer used to create the file? I have seen issues when someone uses a colored background in After Effects to create their graphics. If they use a black background when exporting, it generally looks better. You can send files my way via direct message or to my email. 
    Here to help.

    Ian

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