I have read that the small machines that can produce it are too small to make any difference and that it's all woo woo sales and marketing hype. Then again I read from others that it does help with relaxation or rest and produces positive results for the user.
So of course I went to youtube and there are loads of videos with a low tone claiming to be that resonance.
Is it possible to make an mp3 (compressed) or mp4 or even wav containing the Schumann 7.83Hz signal ? I thought human hearing was in the range of 20Hz - 20KHz and most speakers and earphones catered to that range. Is it all just
![Bollocks :Bllocks:](./images/smilies/obscene/bollocks.gif)
![Question :?:](./images/smilies/icon/question.gif)
---A mp3 was recorded ! 11 hours in length and I have listened and slept with my air tube ear buds. I'm still on the fence. This sounds like a very low bass tone mixed with some nice soothing relaxation tunes. Very nice to fall asleep to but I don't see how it can contain the 7.83Hz signal as the ear phones only do the standard audio range.
What say you guys ?