What is alpha YouTube?
What is an alpha channel and why do I need one?
- What is an alpha channel? Let’s start with the basics — an alpha channel is essentially a transparency map for your footage or image, meaning that you can have areas in your footage or image that have some level of transparency, or total transparency.
What video / image formats support alpha channels?
- List of video / image formats supporting alpha channels Codec Maximum Alpha Bit-Depth Apple Animation 8-bit Apple ProRes 4444 16-bit Apple ProRes 4444 XQ 16-bit AV1 Unknown 21 more rows ...
What happens if I export without an alpha channel in after effects?
- On the other hand, if I exported the final video without an alpha channel, After Effects would default to filling the transparent area around the white, bouncing ball with a black background. 1.
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