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NYC audio psy-op in progress?

I bet that sound is there 24/7 and the only time it stands out from the background noise is late at night.

Sounds to me like a high-RPM AC compressor or generator causing vibration.


brianmanahan said:
my bet is whistle tips
Click to expand...

Fantastic way to have your car set on fire by your neighbors. 🙄
 
Years back on another forum, there was a guy complaining about a low level hum he could hear almost constantly. This was in a major metropolitan area with a lot of very heavy industry, railroads, marine traffic, road/truck traffic, underground mining activity and of course all the support industries like power plants. We all tried to offer suggestions based on known sound sources, but the guy rejected them all. He was sure it was something nefarious.

He died some years later.


Hmmmm....
 
They keep talking over the sound so it's hard to tell for sure but seems to be dominant around the 430hz range. Not really sure what would produce that frequency but I'm thinking it's some kind of large 3 phase motor and it's putting off a harmonic of sorts. I've heard similar sounds from industrial buildings like mines.
 
Definitely some kind of an equipment or commercial building fan messed up.

Definitely wind related.
 
Lost_in_the_HTTP said:
Years back on another forum, there was a guy complaining about a low level hum he could hear almost constantly. This was in a major metropolitan area with a lot of very heavy industry, railroads, marine traffic, road/truck traffic, underground mining activity and of course all the support industries like power plants. We all tried to offer suggestions based on known sound sources, but the guy rejected them all. He was sure it was something nefarious.

He died some years later.


Hmmmm....
Click to expand...


There's a repeated phenomenon of "The X Hum", where X is some town or neighbourhood. The story came up very recently about somewhere here, and it reminded me I've read that same story every decade or so.

The Largs Hum
www.scotsman.com

What is the mysterious 'Largs Hum'?

For at least four decades, a number of residents of the pretty west coast town of Largs have complained of an unexplained deep droning sound that causes everything from sleeplessness and headaches to teariness and absolute despair.
www.scotsman.com www.scotsman.com

The Roslin Hum
www.edinburghlive.co.uk

Have you heard the 'Roslin Hum' - the maddening sound heard around the world

Retired psychiatric nurse Sue Taylor from Midlothian first started hearing the noise in 2009 - she's not alone
www.edinburghlive.co.uk www.edinburghlive.co.uk

(seems those two places are actually not that near each other, being opposite sides of Scotland)

The Bristol Hum
www.bbc.co.uk

The strange case of the Bristol hum

Bristol residents have been plagued with a mysterious low-level sound that no-one can trace.
www.bbc.co.uk www.bbc.co.uk

...and The global Hum
www.theguardian.com

What is the mysterious 'global Hum' – and is it simply noise pollution?

Up to 4% of people are said to hear a strange low-pitched noise known as the Hum, but no source has ever been found. City life is one possible cause
www.theguardian.com www.theguardian.com
 
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