Originally Posted by xaos (Post 139467)

Unfortunately, I don't really know; I'd assume that there's video editing software out there that does it, but I don't have any at the moment. Perhaps if you post in the Site Feedback and Support forum you might get a response? I think that's where you're supposed to go for technical issues.
If nobody responds in the next few days, I'll look into getting some video editing software that can do this...