It was going from the VCR to the mixer board. Even bypassing the mixer, the error was still obviously present.
Thanks for reminding me. I'll capture the before/after segments later today -- or at least try.
There's a bunch of new guides (expansions) and guide updates (re-writes) going on in the background this weekend.
We'll be posting those when ready.
You'll probably find quite a few of them interesting, as they're heavy on video capturing and ATI cards.