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Compressing something down while keeping the alpha channel
So I’m trying to compress a video down that is 9megs down to about 20kb. The video has an alpha channel that I need to keep. I’m not really sure how I would go about this. I was hoping that I could set up the size of the video in after effects then send that to handbrake. But I guess when I do that I loose my alpha channel when I run it through hand brake. so does anyone have an tips or ideas that might help?
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2 Replies
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I was considering a much longer response because I’m not sure you’re serious but the short version is “not possible” assuming I understand you.
You must use a codec that supports alpha channel and I don’t know any encoder that is so efficient that can reduce a 9MB file to 20kb and have any kind of usable result. I can’t even imagine that workflow that would require that.
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A single frame will be about 20 kb, assuming you are using the correct notation. If you meant 20 kB, then the answer is simple: No, you can’t.
If you wanted to try it for fun, I recommend compressing to a PNG image sequence. Audio separate.
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