White noise from passenger glove box area

[Sarsonic]

Hopefully the last post/ question from me for a while.
I initially though the noise was the stereo (static/ white noise), then the fan, but with both off and on a quiet road I can hear it coming from the front passenger area. I assume this isn't normal but does anyone have any ideas? I'm going to try and pin-point it more when I can.
Thanks in advance