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Merged US may close Cuba Embassy over 'health attacks'

mgidm86 said:
This is so stupid. Any of us who have been at this site long enough have seen this phenomenon before in the paranormal section. It's called bullcrap.
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Not all Americans injured in Cuba heard sounds. Of those who did, it’s not clear they heard precisely the same thing.

Yet the AP has reviewed several recordings from Havana taken under different circumstances, and all have variations of the same high-pitched sound. Individuals who have heard the noise in Havana confirm (!!!) the recordings are generally consistent with what they heard.

“That’s the sound,” one (!!!) of them said. (my (!!!), dann)
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That's the way to do it! That's how a true pro would tackle it! You go to a convention of UFO abductees and instead of asking them what their alleged abductors looked like, you show them a photo of a Grey one from Close Encounters: and ask them: "Is this what your abductors looked like?!"
 
Alphaba said:
Quite interesting divergent developments about this affair since yesterday.

On the one hand, the Guardian published an article relying upon "enior neurologists " to push a "mass hysteria" explanatory hypothesis (BTW, "mass hysteria" has been relabeled mass psychogenic illness since the nineties).

On the other hand, Associated Press has put online what they claimed to be the first public audio of the sound allegedly broadcast to the affected persons in Cuba:

Obviously, major news medias then analyzed this audio file, like in making a specter analysis. And cautiously commented about it, a worthy example being an NBC article: "Listen to What Americans Heard in Mysterious Cuba Sound ‘Incidents’".

Well, I've made with Audacity a sound specter of the AP file:
[qimg]https://media.joomeo.com/large/59e0fffc6fb9a.jpg[/qimg]

Out of the obvious 50-240 Hz AC hum/noise background parasitizing the recording device (I've a lot of it on my own records :(), what's curious is around the 7000 Hz peak. I'll focus on it if you're interested.
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Forgive me, but I have an immensely difficult time believing this is inadvertent leaking sound from radio equipment, or some badly-installed air conditioning unit.
 
Checkmite said:
Forgive me, but I have an immensely difficult time believing this is inadvertent leaking sound from radio equipment, or some badly-installed air conditioning unit.
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Me too! But I have an even harder time believing that this is the emission of a super-sonic weapon (or even listening device) targeted at U.S. diplomats in order to make them deaf (or inadvertently rendering them so).
 
A tone at 8k is very directional, very hearable, and won't penetrate most solid walls.

There may have been other elements to the sound, but if that 8k was there, all you had to do was locate the sound by ear and say wtf, maybe put in some foam earplugs, go to a different room or leave the building. I do that kind of thing all the time in response to noise.

I don't get it.

Could you sleep through some "sonic attack" that was damaging your hearing?

It seems too weird to be true, but maybe.
 
Sherkeu said:
“The reduction in diplomatic presence was made to ensure the safety of our personnel,” said one official. “We maintain diplomatic relations with Cuba, and our work in Cuba will be guided by national security and foreign policy goals of the United States.”

There is now about $300M in American tourist dollars to Cuba on the table in addition to more millions in investment. (Total tourism of $2B likely affected as well)
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Restoring more normal relations with Cuba is a good thing. A friend of mine who lives in the Bay area went on a vacation to Cuba a few months ago with a tour group. Said it was a good deal, and he'd recommend it to anyone.
Steve said:
I understood that the Cuban government welcomed the re-establishment of connections with the US. Why would they want to cause this disruption?
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I've got the same question.
dann said:
Come on, you really can’t expect decent US American diplomats to enjoy staying in a third-world hellhole like Cuba!
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Given some of the third world places my sister lived when she worked for the State Department ... yes, I do. :p
 
dann said:
Me too! But I have an even harder time believing that this is the emission of a super-sonic weapon (or even listening device) targeted at U.S. diplomats in order to make them deaf (or inadvertently rendering them so).
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Quite obviously it could not have been supersonic if embassy personnel were able to hear and record the sound using traditional devices.

calebprime said:
There may have been other elements to the sound, but if that 8k was there, all you had to do was locate the sound by ear and say wtf, maybe put in some foam earplugs, go to a different room or leave the building.
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There are; the original AP report said that this published bit was an excerpt - that according to the State Department investigators there were several recordings, that featured multi-tonal sounds with characteristics that differed from recording to recording, but that all of them had this particular element in common.
 
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Checkmite said:
Quite obviously it could not have been supersonic if embassy personnel were able to hear and record the sound using traditional devices.
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Some embassy personnel - if this is a real, actual recording of the alleged attacks. Others didn't hear (or record) a thing.
 
dann said:
Yes, please focus! And let us know if it encourages us to commit ritual satanic abuse if you play it backwards! :)
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OK, I did exactly that, to focus, in focusing on a shorter, more accurately representative sample of 2.31 seconds of duration:



Then in magnifying the "size" [Taille] of the frequency spectrum from 1024 to 65536 [changing Audacity's language from French to English on the fly had a funny effect, which disappeared after a restart], which gave the following spectrum [screencapped]:





Lots of well defined peaks and harmonics in what appeared as an undifferentiated mound at low "sizes". Both 40Hz and 50Hz AC peaks and their harmonics (until ~240Hz) are present. And also 15, 17, 25, and 30Hz peaks (all those ± 2Hz).

The mound morphed into a fancy fractal.
 
mgidm86 said:
Just as I suspected - bad fluorescent light ballasts!

What was this audio recorded with? How much of the spectrum was lost?

This is so stupid. Any of us who have been at this site long enough have seen this phenomenon before in the paranormal section. It's called bullcrap.
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Edited by Agatha: 
Edited to remove personalisation
 
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Alphaba said:
OK, I did exactly that, to focus, in focusing on a shorter, more accurately representative sample of 2.31 seconds of duration:
[qimg]https://media.joomeo.com/large/59e7fc8ca6576.jpg[/qimg]


Then in magnifying the "size" [Taille] of the frequency spectrum from 1024 to 65536 [changing Audacity's language from French to English on the fly had a funny effect, which disappeared after a restart], which gave the following spectrum [screencapped]:

[qimg]https://media.joomeo.com/large/59e7ee767ef50.jpg[/qimg]



Lots of well defined peaks and harmonics in what appeared as an undifferentiated mound at low "sizes". Both 40Hz and 50Hz AC peaks and their harmonics (until ~240Hz) are present. And also 15, 17, 25, and 30Hz peaks (all those ± 2Hz).

The mound morphed into a fancy fractal.
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Wherever all the "infrasound" and "ghost" absurdity came from I don't know; I wasn't aware that anyone anywhere was proposing that. But as for this noise - which is obviously a quite real thing - it really sounds to me like it does have a similar character to other noises produced by devices that are designed intentionally to irritate; i.e for crowd control, or by commercial ships to repel attackers and protesters, that kind of thing.

Let's assume for the moment that it's not. What might it be then instead?

With respect to dann, it doesn't sound like any modem I've ever personally heard or have been able to find a sample of online. I suppose it's possible it might be some other kind of digital data mode. I'm familiar with some of these and have been trying to match it, but it just doesn't sound quite like any I personally know about - closest it comes is maybe PSK31 - but it doesn't seem to contain any of the "inflection" that common digital modes have. Plus you run into the problem that you actually need an HF receiver to pick them up and turn them into audible sound; it's not like someone would be "accidentally" physically hearing a PSK31 or RTTY signal because of a chance building arrangement or a badly made speaker component picking it up and resonating.
 
Checkmite said:
...But as for this noise - which is obviously a quite real thing ...
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No, we don't know that. There is no consistent 'noise' that has been detected. There's a mish-mash from nothing to some static or whining that for all we know came from the recording devices.
 
Skeptic Ginger said:
It seems weird there could be an invisible dragon in my garage, but maybe. :rolleyes:
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Skeptic Ginger said:
No, we don't know that. There is no consistent 'noise' that has been detected. There's a mish-mash from nothing to some static or whining that for all we know came from the recording devices.
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We agree. I simply lean toward the Trump admin. exaggerating this, as opposed to the mass hysteria explanation.
 
Skeptic Ginger said:
No, we don't know that. There is no consistent 'noise' that has been detected. There's a mish-mash from nothing to some static or whining that for all we know came from the recording devices.
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According to the AP, the specific sound that's been published occurred in several different recordings.
 
Alphaba said:
OK, I did exactly that, to focus, in focusing on a shorter, more accurately representative sample of 2.31 seconds of duration:
(…)

Then in magnifying the "size" [Taille] of the frequency spectrum from 1024 to 65536 [changing Audacity's language from French to English on the fly had a funny effect, which disappeared after a restart], which gave the following spectrum [screencapped]:

Lots of well defined peaks and harmonics in what appeared as an undifferentiated mound at low "sizes". Both 40Hz and 50Hz AC peaks and their harmonics (until ~240Hz) are present. And also 15, 17, 25, and 30Hz peaks (all those ± 2Hz).

The mound morphed into a fancy fractal.
Click to expand...


I have no idea what that signifies! Most of it seems to be way beyond the range of human hearing, so what would be the point of it? To annoy dolphins or scare away bats?!
 
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