Revealed: Sound of the ‘sonic attack’ on Americans in Cuba

WASHINGTON — It sounds kind of like a mass of crickets. However not fairly. A excessive-pitched whine, however from what? It appears to undulate, even writhe. Pay attention intently: Some hear a number of, distinct tones colliding in a nails-on-the-chalkboard impact.

The Related Press has obtained a recording of what some U.S. Embassy staff heard in Havana, a part of the collection of unnerving incidents later deemed to be deliberate assaults. The recording, launched Thursday by the AP, is the primary disseminated publicly of the various taken in Cuba of sounds that led investigators initially to suspect a sonic weapon.

The recordings from Havana have been despatched for evaluation to the U.S. Navy, which has superior capabilities for analyzing acoustic alerts, and to the intelligence providers, the AP has discovered. However the recordings haven’t considerably superior U.S. information about what’s harming diplomats. Officers say the federal government nonetheless doesn’t know what’s chargeable for accidents to its personnel, however the U.S. has faulted Cuba for failing to guard American diplomats on its soil.

The Navy and the State Division didn’t reply to requests for touch upon the recording. Cuba has denied involvement or information of the assaults.

Not all People injured in Cuba heard sounds. Of those that did, it’s not clear they heard exactly the identical factor.

But the AP has reviewed a number of recordings from Havana taken underneath totally different circumstances, and all have variations of the identical
excessive-pitched sound. People who’ve heard the noise in Havana affirm the recordings are usually in step with what they heard.

“That’s the sound,” considered one of them stated.

The recording being launched by the AP has been digitally enhanced to extend quantity and scale back background noise, however has not been in any other case altered.

The sound appeared to manifest in pulses of various lengths — seven seconds, 12 seconds, two seconds — with some sustained durations of a number of minutes or extra. Then there can be silence for a second, or thirteen seconds, or 4 seconds, earlier than the sound abruptly began once more.

Whether or not there’s a direct relationship between the sound and the bodily injury suffered by the victims is unclear. The U.S. says that usually, the assaults brought on listening to, cognitive, visible, stability, sleep and different issues.

A better examination of 1 recording reveals it’s not only a single sound. Roughly 20 or extra totally different frequencies, or pitches, are embedded in it, the AP found utilizing a…

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