Deploying sound weapons at the London Olympics

On May 12, the British Defense Ministry said the Olympic Games would deploy the device to send word-of-mouth warnings to distant locations or to generate a beam of pain.

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Long-range audio equipment (LRAD) is mounted on a ship on the River Thames in London this weekend. In addition to this sound weapon, Royal Marines on patrol vessels are also equipped with a variety of traditional weapons.

The LRAD emitted a high-pitched sound. Some versions of LRAD can produce disturbed sound levels. However, this sound weapon can also be used to generate remote warnings, for example, requiring the crowd to disperse.

The US LRAD Company previously sold this special audio equipment to the US Army. LRAD has been used in Iraq to control the crowd.

Sound weapons are also used by the Air Force, the US Navy, and some police forces in the world. The device was installed on many ships and successfully repelled the Somali pirates.

Reference: BBC