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vincentaine
Participant
August 26, 2022
解決済み

Premiere Pro 2022 22.5.0: Transparency of PNG on top of video layer appears as white

  • August 26, 2022
  • 返信数 2.
  • 2259 ビュー

Using Adobe Premiere Pro 2022 22.5.0 on macOS Monterey 12.5.1.

 

I've read about several issues regarding transparent PNG files in Premiere Pro in this forum and other sites, but nothing fit what I'm trying to do now.

 

I have a series of PNG files which I want to layer on top of a video layer. Each PNG is 24-bit and includes a 8-bit transparency layer. The transparency shows up in every other app, including Photoshop, Preview.app, and every browser.

 

However, when I import the PNG files in Premiere Pro, the transparency always shows as white, both in the Source panel and the Program Monitor panel. I cannot see the video underneath it and exporting the video shows the transparency of the PNG files as white as well.

 

How can I fix this?

このトピックへの返信は締め切られました。
解決に役立った回答 vincentaine

My apologies. I cropped a set of transparent PNG images using ImageMagick, but the output set of images didn't have any transparency. I used the latter in Premiere Pro. I fixed the command I used to convert the images and it's now working. The issue was I didn't use ImageMagick correctly, not with Premiere Pro. The transparent PNG files are working as they should in Premiere.

 

If you are using ImageMagick and you are curious, do not forget to specify "-background none" in your command when convert transparent PNG files. For example:

 

magick convert in.png -resize x1920 -background none -gravity Center -extent 1080x1920 out.png

 

The above will have ImageMagick resize a PNG file down to 1920 pixels in height, and crop it down the centre in a 1080x1920 (9:16) frame, while preserving the transparency.

返信数 2

V
vincentaine作成者解決！
Participant
August 26, 2022

My apologies. I cropped a set of transparent PNG images using ImageMagick, but the output set of images didn't have any transparency. I used the latter in Premiere Pro. I fixed the command I used to convert the images and it's now working. The issue was I didn't use ImageMagick correctly, not with Premiere Pro. The transparent PNG files are working as they should in Premiere.

 

If you are using ImageMagick and you are curious, do not forget to specify "-background none" in your command when convert transparent PNG files. For example:

 

magick convert in.png -resize x1920 -background none -gravity Center -extent 1080x1920 out.png

 

The above will have ImageMagick resize a PNG file down to 1920 pixels in height, and crop it down the centre in a 1080x1920 (9:16) frame, while preserving the transparency.

Mo Alani
Community Expert
Mo AlaniCommunity Expert
Community Expert
August 26, 2022

Hi, 

- Import the PNGs into after effect and see if you are facing the same problem first, if its the same issue. 

 

- Try to converty one of the PNGs to TGA with Alpha using Photoshop or After effect and see if that will solve the problem. 

 

Best, 

 

Mo

 

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