What the heck is a codec?

Well. I've been trying to figure out how to export another Magix composition with pictures so it can be a video. I can export it, all right, but the file size is HUGE and unusable. I can't remember how I did it last time (see "Proof of concept" on January 2). It didn't seem this hard!

I did manage to finalize the piece, though, and that is delightful and fun.
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A few minutes later:
When exporting videos, I have some choices in which codec to use...not that I actually understand what a codec is. Apparently, though, if I use a Microsoft codec rather than an Intel codec, I get a smaller file. So let's see what happens when I publish this

Once again, I can't take credit for the musical phrases--they are all Magix loops. And of course I can't take credit for any of the pictures. All I've done is assemble a puzzle.

Now, after all that, I will hit publish. If it doesn't work, I will just have to leave it for the time being because it is already tomorrow again.