Perhaps it's not the sound waves affecting Us but the soundwaves affecting the spirits Whitewitch , like an amplifier of sorts . If this was the case then the results would still be the same or similar . We cant really go around denying the results of the experiment carried out in the originally posted story . The results are what may be termed facts and facts tend to be really rare in paranormal terms . We need to use this information and see if it can fit another alternate solution .
All the original experiment really proved is that infrasound affects people through subtle undetectable changes in there environment . It can actually be used as an argument for the exsistance of spiritsif you look at it the right way ..
By the way I forgot to thankyou Shadeaux for the original post , obviously a really good link .....