It's already deactivated. It picks up my mic for 5 seconds and then just drops it. When I don't have the webcam on the mic is just fine.So you speak and they cannot hear you ? It's like youre mic is disabled ?
Look at youre webcam settings. I got the same one and forgott to disable my Mic there. If you have youre webcam under source just go at it with a right click and on the tab is on the right side a tab for audio reproducer do an "deactivated" on it.
Only about a thousand times. :/Have you tryed to plug it in and out again ? :P