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What Americans Heard in Cuba Attacks: The Sound
LoP Guest
lop guest
User ID: 441697
07-12-2018 11:01 AM

 



Post: #16
RE: What Americans Heard in Cuba Attacks: The Sound
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It's about finding the resonant frequency.
Directed sound can be used to break apart kidney stones.
An opera singer's voice can shatter a glass (high C of a trained soprano).
Remember the Walls of Jericho story- brought down by trumpets.
The tech is being tested and refined for use- for ill and/or good.
Quote this message in a reply
Luvapottamus
Registered User
User ID: 372884
07-13-2018 05:08 PM

Posts: 2,991



Post: #17
RE: What Americans Heard in Cuba Attacks: The Sound
LoP Guest  Wrote: (07-12-2018 11:01 AM)
It's about finding the resonant frequency.
Directed sound can be used to break apart kidney stones.
An opera singer's voice can shatter a glass (high C of a trained soprano).
Remember the Walls of Jericho story- brought down by trumpets.
The tech is being tested and refined for use- for ill and/or good.

This type of tech does have potential to harm or heal.

Here's more info from AP:

Dangerous sound? What Americans heard in Cuba attacks
By JOSH LEDERMAN and MICHAEL WEISSENSTEIN
Oct. 13, 2017

(snip)

....The recordings themselves are not believed to be dangerous to those who listen. Sound experts and physicians say they know of no sound that can cause physical damage when played for short durations at normal levels through standard equipment like a cellphone or computer.

What device produced the original sound remains unknown. Americans affected in Havana reported the sounds hit them at extreme volumes.

Whether there’s a direct relationship between the sound and the physical damage suffered by the victims is also unclear. The U.S. says that in general the attacks caused hearing, cognitive, visual, balance, sleep and other problems.

The recordings from Havana have been sent for analysis to the U.S. Navy, which has advanced capabilities for analyzing acoustic signals, and to the intelligence services, the AP has learned. But the recordings have not significantly advanced U.S. knowledge about what is harming diplomats.

The Navy did not respond to requests for comment on the recording. State Department spokeswoman Heather Nauert wouldn’t comment on the tape’s authenticity...





So there are apparently multiple recordings, but we only are getting to hear one so far.
Quote:The recording being released by the AP has been digitally enhanced to increase volume and reduce background noise, but has not been otherwise altered.

The sound seemed to manifest in pulses of varying lengths — seven seconds, 12 seconds, two seconds — with some sustained periods of several minutes or more. Then there would be silence for a second, or 13 seconds, or four seconds, before the sound abruptly started again.

A closer examination of one recording reveals it’s not just a single sound. Roughly 20 or more different frequencies, or pitches, are embedded in it, the AP discovered using a spectrum analyzer, which measures a signal’s frequency and amplitude.

To the ear, the multiple frequencies can sound a bit like dissonant keys on a piano being struck all at once. Plotted on a graph, the Havana sound forms a series of “peaks” that jump up from a baseline, like spikes or fingers on a hand.

“There are about 20 peaks, and they seem to be equally spaced. All these peaks correspond to a different frequency,” said Kausik Sarkar, an acoustics expert and engineering professor at The George Washington University who reviewed the recording with the AP.

Those frequencies might be only part of the picture. Conventional recording devices and tools to measure sound may not pick up very high or low frequencies, such as those above or below what the human ear can hear. Investigators have explored whether infrasound or ultrasound might be at play in the Havana attacks.

https://www.apnews.com/88bb914f8b284088bce48e54f6736d84

No mention as to whether these sounds were accompanied by radiofrequency signals.

There is no such thing as sovereign debt. Reinstate Greenbacks.
http://www.youtube.com/watch?v=Vb5OQUElilo
http://taxwallstreetparty.org/
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(This post was last modified: 07-13-2018 05:11 PM by Luvapottamus.) Quote this message in a reply
Luvapottamus
Registered User
User ID: 372884
07-13-2018 05:30 PM

Posts: 2,991



Post: #18
RE: What Americans Heard in Cuba Attacks: The Sound
About That Mysterious Sonic Attack in Cuba...




There is no such thing as sovereign debt. Reinstate Greenbacks.
http://www.youtube.com/watch?v=Vb5OQUElilo
http://taxwallstreetparty.org/
United Front Against Austerity
Quote this message in a reply








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