Isochronic Tones

[heliac]

Has anyone experimented with isochronic tones?

I found one online that says it is good for AP:
http://www.iso-tones.com/AstralProjection.mp3

sounds like wind and distant helicopter blade chopping.

[Sinera]

Yes. I had tried out some of them. I cannot see any bigger difference to binaurals, though.