After Effects Premultiplied Alpha. La couche Alpha dans After effects YouTube Straight alpha channels, which are optimal, are purely defined by a level of transparency, without "premultiplying" it to any specific color. In After Effects, for example, you might have your background set to blue, despite it being transparent.
Solved Same animation file w premultiplied alpha renders Adobe Support Community 11143764 from community.adobe.com
In After Effects, for example, you might have your background set to blue, despite it being transparent. Premultiplied looks at what you're actually compositing in place of alpha
Solved Same animation file w premultiplied alpha renders Adobe Support Community 11143764
Images with premultiplied alpha will look correct, even when the alpha-channel is ignored (or not supported by early-day applications). Previous versions forced you to use premultiplied, because that confroms to the EXR spec. If changing interpretation the settings in Premiere Pro or After Effects to Premultiplied will appear to choke the render and color the edges based on the chosen.
Solved Same animation file w premultiplied alpha renders Adobe Support Community 11143764. Alpha channels can come pre-matted ("shaped") or as straight, with transparency anti-aliased only when composited In After Effects, for example, you might have your background set to blue, despite it being transparent.
Premultiplied vs Straight Alpha Apple Community. Straight alpha channels, which are optimal, are purely defined by a level of transparency, without "premultiplying" it to any specific color. Premultiplied looks at what you're actually compositing in place of alpha