User blog comment:Supersatan25/Friends in a Dream/@comment-26112985-20150319000611/@comment-26112985-20150319105149

The loud shrill sound might be your ears ringing, are you ever alone while you hear this noise. When you are alone, your brain makes the ears create noise, this along with the static of the TV could create the noise your talking about. Or you could have just a subconscious trigger.