Here the noise is pretty easy to pick out:
VIDEO0002.mp4 - YouTube
And this is one I just took after disabling stereo sound, recording something, then re-enabling stereo sound:
VIDEO0006.mp4 - YouTube
(HD is still processing)
And this is one I just took after disabling stereo sound, recording something, then re-enabling stereo sound:
VIDEO0006.mp4 - YouTube
(HD is still processing)