HOWTO: Matting rotated QuickTime videos

One of my recent posts showed you how to rotate videos shot in portrait orientation. While this technique restores your video to its proper orientation, the results are not particularly usable in your favorite video editing programs like iMovie because of their unusual aspect ratio. The following gallery demonstrates how to matte your video onto a plain background using QuickTime Pro to restore a proper 4:3 (or 16:9) ratio.

This article was originally published on Tuaw.