I have the same problem, on adobe présenter 10, windows 7, MS office 2013, MS lifecame studio !
I was wating a solution.. but since 1 month, no reponse, nothing... :/
Please, can you help us ?
Could you please try to check it with any other webcam. Check the document linked below for few compatible Webcam and Mic.
If in case you still face any issue then please contact Presenter support at Contact Customer Care
With the webcam inclued in my computer it's ok but her quality is very bad :/
(thx for your help but) With the lifecam it's always not good.