The ones in the suits are dummy microphones designed to fool and distract the less discerning eyes and ears from what really happened, so that NASA could really lower the boom.
So--are we sure that they weren't Claymation? Those raisins did some crazy things...
For future reference, one of my friends from ISU works at the Jet Propulsion Lab, on projects for Mars missions. I suppose that forty years from now, someone could say that we didn't really have the computer technology to put a rover on Mars...:yes: