microphone problem

when i try to record a voice note,or video in bb playbook....it says..mic is being used in another application.... it started after i toyed with the video chat app. i think the mic might be on in the video chat app. i just pressed the call button(was not even connected to wifi) after that this prob comes up. when i play video or music...it says media error. they used to work fine untill then..pls help me on the earliest..,..

Are you sure you haven't tried turning the device off and then on? Booting it?

I'm sure that your apps will then be quit and then you may be able to use your voice note app.

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