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Known Participant
July 23, 2024
質問

How to export a After Effects video in Media Encoder as a transparent MP4 video instead of MOV

  • July 23, 2024
  • 返信数 2.
  • 691 ビュー

Hello, I was hoping someone could share their experience with exporting a video created in After Effects and then being exported in Media Encoder as a transparent MP4 video instead of MOV. Unfortunately, the MOV video is not loading. I have tried multiple media players with no success. If anyone has any information or another alternative regarding my inquiry, please let me know. Thank you!

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返信数 2

Community Expert
July 23, 2024

If a client requests an MP4 with transparency, they do not understand video formats and should be gently educated.

 

The MP4 format only supports RGB and usually compresses color (averages) in a 2:1 or a 4:1 ratio. It also usually interprets the movement of details in 3 out of 4 frames. It's a horrible choice for a production master. 

 

The only option is to render the MP4 and then Render it again, choosing Alpha Channel Only to generate a high-contrast black-and-white copy. Then, you must deliver two files: one black-and-white showing the transparency and one in color.

 

The easiest option for one file would be to use the High Quality with Alpha preset in the Render Queue's Output Module settings.