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4k alpha channel files created in After Effects and imported into Premiere Pro

New Here ,
Apr 20, 2020

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Hello,

We are a small company in the process of development and which has not yet started its activity.
For this we need to create a thousand video files on a green background and our source files are in 4K.
Each file is recalculated by replacing the green background with a transparent with after effects.
Then we import our files on premiere pro to create the videos.
We found that there are only a few codecs that work with after effects (with or without media encoder), and which allow you to import the alpha channel.
But in all cases this generates huge files of about 30 Gb for 2 minutes of video, and which in the long term risks costing us a lot in storage.

Does anyone have a smarter solution to create good quality and lighter alpha channel files ?

Thank you in advance.

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Error or problem, How to, Import and export, Performance, Preview, User interface or workspaces

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4k alpha channel files created in After Effects and imported into Premiere Pro

New Here ,
Apr 20, 2020

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Hello,

We are a small company in the process of development and which has not yet started its activity.
For this we need to create a thousand video files on a green background and our source files are in 4K.
Each file is recalculated by replacing the green background with a transparent with after effects.
Then we import our files on premiere pro to create the videos.
We found that there are only a few codecs that work with after effects (with or without media encoder), and which allow you to import the alpha channel.
But in all cases this generates huge files of about 30 Gb for 2 minutes of video, and which in the long term risks costing us a lot in storage.

Does anyone have a smarter solution to create good quality and lighter alpha channel files ?

Thank you in advance.

TOPICS
Error or problem, How to, Import and export, Performance, Preview, User interface or workspaces

Views

67

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Apr 20, 2020 0
Guide ,
Apr 20, 2020

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Your example sounds like "uncompressed" and there is not need to go that high.

Usual production codecs are DNxHD185X, ProRes4444, Cineform. They all can handle aplha channel. The filesizes will be large - that's the deal.

 

*Martin

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Apr 20, 2020 0
New Here ,
Apr 20, 2020

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Thank yu very much for your answer !!!

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