Bruce Sharpe has a solution for the constant sound synching problems (here) we are all having with the Canon 5d MK II. Read it here.
He says that the issue seems to be some bug in FCP. I've not actually tried this but it all seems reasonable to me.
-Stephen Alvarez

Ok I tried it and it works flawlessly
Posted by: Stephen Alvarez | August 09, 2009 at 06:56 PM