The issue could be because of the internal mic picking up sound even when the external device is pluuged in. If you have the RealTek HD Audi Manager installed on the machine, I would suggest you to try the steps listed below and check if it works for you. Open RealTek HD Audio Manage...
another appointment. not well thought out app development. (2) The app needs settings were you can set your preferences of always keeping mic/camera ON vs default it starting off (3) when your in a session and you leave the app and come back it auto resets the mic and camera to OFF,...