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Leave the World Behind & hidden sound weapons.

For those who haven’t seen the sound frequency video about Leave the World Behind:

Video editor says in 15 years of editing he has not seen a fourth sound file when importing a file into his editing software.

"I’ve been doing my own video editing for some time and I’ve never seen this either however I’ll admit my experience is limited."

Upon review, he claims there is an Infrasonic Sound Wave embedded into the film, being used as a weapon on unsuspecting viewers.



Exposure to infrasound has been demonstrated to affects recipients with symptoms including fear, sorrow, depression, anxiety, nausea, chest pressure and hallucination. It can cause objects to move through vibration and the body’s internal organs can be affected.

The term infrasonic applied to sound refers to sound waves below the frequencies of audible sound. Nominally includes frequencies under 20 Hz. Sources of infrasound in nature includes volcanoes, avalanches, earthquakes and meteorites.

The healthy human ear can hear frequencies ranging from 20 Hz to 20,000Hz. Over time, the hair-like stereocilia may get damaged or broken. If enough of them are damaged, hearing loss results. The high frequency area of the cochlea is often damaged by loud sound.

Infrasound is sound which extends below the range of human hearing (from 20 Hz to 0.001 Hz), and it emitates from many natural and man-made sources. For example, some animals, such as whales, elephants and giraffes communicate using infrasound over long distances.

Sonic and ultrasonic weapons (USW) are weapons of various types that use sound to injure, incapacitate, or kill a target. New personal communications shows that infrasound can cause trough vibrations, resonance frequency about 7 Hz with internal organs of humans cause also cancer, such as colorectal cancer, pancreatic cancer, etc. (Skopec II., 2017)

Some of these weapons have been described as sonic bullets, sonic grenades, sonic mines, or sonic cannons. Some USWs make a focused beam of sound or ultrasound, some made an area field of sound.

As an example of used sonic weapon we can use The LRAD Sound Cannon as an acoustic weapon and communication device. Developed by the LRAD Corporation to broadcast messages and pain-inducing deterrent tones over long distances. LRAD devices come in various iterations that produce varying degrees of sound. They can be mounted to a vehicle or handheld. (Baldwin, 2014)

Protests in Fergusson, Missouri have reached a terrifying fever pitch, and the ludicrously armed Fersguson Police Department is bringing all its crowd-control weapons to bear, tear gas, stun grenades, rubber bullets. One of the most controversial of those is the LRAD Sound Cannon.

The device produces a sound that can be directed in a beam up to 30-degress wide, and the military-grade LRAD 2000X can transmit voice commands at up to 162 dB up to 5.5 miles away.

The LRAD Corporation says that anyone within a 100 meters of the device’s sound path will experience an extreme pain. The version generally utilized by Police Departments (the LRAD 500X) is designed to communicate at up to 2000 meters during ideal conditions. In a typical outdoor environment, the device can be heard for 650 meters. The 500X is also capable of short bursts of directed sound that cause headaches in anyone within a 300-meter range. Anyone within 15 meters of the device’s audio path can experience permanent hearing loss. LRAD claims the device is not a weapon, but a directed-sound communication device (figure 1).

Figure 1. The LRAD Infra-Sound Cannon mounted to a vehicle.


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