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Brown Noise: Infrasound Triggering Of Somatic Malaise

This is worth a look:

A Study of the Effects of Acoustic Phenomena and Their Possible Use in Multimedia

http://www.johnbraine.com/words/AcousticPhenomena.pdf

It's got the best description of Richard Lord' infra-sound experiment (3.7.1 The Soundless Music project) I've been able to find (so far) although some of the rest is a little too anecdotal for my taste.
 
On the topic of infrasonics :

Interoception
The Uncommon Senses, Series 1

For thousands of years people thought we had 5 senses, now it's believed we have up to 33. In this ten-part series, philosopher Barry Smith and sound artist Nick Ryan take us on a journey into the extraordinary world of sensory perception.

In this episode: Eerie premonitions? A feeling you're being watched? A sudden feeling of unease? Do we really have "sixth senses" for things that are... not of this earth? Maybe we do, but there's nothing supernatural about it. Philosopher Barry Smith explores interoception, the mysterious sense we all and asks why it often feels so spooky. From infrasonic pulses to interoceptive heart-beats, there is more going on in our bodies and minds than you might think.

http://www.bbc.co.uk/programmes/b08k5zlm#play
 
https://www.vice.com/en/article/ppv35z/in-search-of-the-brown-noise


So where do the myths about the brown noise come from? The internet has helped rumours spread faster than ever before, and satirical articles are regularly shared as fact on Facebook, but Leventhall believes the idea of the brown noise first originated from a spoof article in New Scientist from over 40 years ago.


"It's the earliest reference to a sound causing diarrhoea that I've come across," he says. "I remember when I first saw the article after it was published in 1974; I didn't quite cotton on that it was a spoof. It's very subtle and quite convincing."
The article refers to the opening ceremony of the Great Exhibition in Victorian England, where thousands of people gathered. It claims that during the national anthem a horn let off the supposed "brown note", causing the crowd to immediately start wetting themselves and uncontrollably shitting everywhere. Reading like a 19th century slapstick comedy, it's not hard to see how it captured so many imaginations.
Here's what we know about the "brown note": it's supposedly in the infrasound area, somewhere below 20 hertz – which is beyond the lower limit of what the average human can detect. Within this infrasound region, the frequency of 7 hertz has always been shrouded in mystery because of supposedly harmful effects.
One day, back in the 1970s, Dr Leventhall read a French scientific paper that suggested subjecting yourself to this frequency could cause instant death. "I was so mad about this that I sat in my sound chamber to listen to 7 hertz myself," he says. "It was turned up to 145 decibels, which was a very high level and clearly audible. Nothing happened to me and I was still alive at the end of it."
Click to expand...


A link (if it works) to the New Scientist spoof article:
https://books.google.co.uk/books?id...QAhWsJcAKHdIlCYEQ6AEIGzAA#v=onepage&q&f=false

According to the Vice article, there are many YouTube videos claiming to have the brown note, such as this one:
 
If it did work, wouldn't you need a set of speakers the size of a double decker bus for it to be effective?
 
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