You kind of defeated your own point in this video.  It took me a second or two to even notice that the white noise was playing amidst all of the wind playing in the background.,(reply>), 'It took me a second or two to even notice that the white noise was playing amidst all of the wind playing in the background.'<br>And that is exactly why this is such an effective warning system, unless the alarm is directed at you, it fades into the background.