Sound Effects on Korn's Ball Tongue

[Dertygen]

This might not be good enough quality to experience it from but: http://www.youtube.com/watch?v=XDaQaFx2FU4

At approx. 4:00 minutes in, some crazy static-y sound grows in volume from the background.
On good headphones or stereo systems from the CD I react strangely to it. Like a weird feeling inside my head.

No jokes here; help me find out how that was recorded and what frequency that was!


Thank you,

[Alcyon]

That's probably your brain telling you "God, why are you subjecting me to Korn again!?!"

[Dertygen]

Originally Posted by Alcyon

That's probably your brain telling you "God, why are you subjecting me to Korn again!?!"

I'm leaning towards it being a psycho-acoustic effect.

I'm curious because that would be interesting to take that sound and incorporated it into a song layered in jacking with the listener!