Sonic weapon - Wikipedia
Sonic and ultrasonic weapons (USW) are weapons of various types that use sound to injure or incapacitate an opponent. Some sonic weapons make a focused beam of sound or of ultrasound; others produce an area field of sound. As of 2023 military and police forces make some limited use of sonic weapons.
LRAD Sound Cannon - How Does LRAD Work | Sonic Weapon in …
2020年6月17日 · During the 2020 protests, police have used an LRAD sonic weapon to disperse protesters. What is it, how does it work, and how can you protect your ears?
What is LRAD? The Sonic Cannon Used by Police, Explained - Digital Trends
2020年6月5日 · LRAD refers to a line of “acoustic hailing devices” designed to broadcast “live or recorded voice messages with exceptional clarity for any operational scenario … even above crowd, engine ...
Sonic Weapons’ Long, Noisy History
2018年5月25日 · From the Israelite army of trumpet-blaring priests who shook the walls of Jericho 3,500 years ago to the U.S. Navy’s current use of long-range acoustic devices, nations and their armies have...
Crowd Control: How the 'Sonic Cannon' Works | Live Science
2009年9月25日 · Here’s how it works. Police in Pittsburgh showed off the latest in crowd control Thursday as they reportedly used "sound cannons" to blast the ears of protesters near the Group of 20 meeting of ...
Here's How The Military And Police Use Sound As A Weapon
2023年9月10日 · Sonic weapons known as Long Range Acoustic Devices (LRAD), are used by law enforcement officials as a non-traditional method of crowd control and dispersal in multiple countries across the world.
What’s an LRAD? Explaining the ‘sonic weapons’ police use for …
2022年2月20日 · The LRAD is device that can put out a highly directional “beam” of incredibly loud sound, up to 160 decibels (dB). To understand how loud 160dB is, it’s important to understand that volume ...
Audio Engineers Built a Shield to Deflect Police Sound Cannons
2020年6月9日 · The device essentially works like a high-powered sonic cannon, using an array of small sound drivers to shoot concentrated sound waves that reach above the human pain threshold with a volume of...
Sonic Power Cannon - Sonic Wiki Zone | Fandom
When engaged, the Sonic Power Cannon draws chaos energy from the Master Emerald while Sonic spins on a platform in the barrel to charge up power. As an alternative power source, it can use Rings instead. Once charged, Tails fires Sonic as a highly powerful projectile.
LRAD: The Sound of Possible Excessive Force
2019年11月30日 · Despite this, the devices are often referred to as sonic or acoustic weapons and the media coined the term “sound cannon” in order to describe the nature of the LRAD’s capabilities. [3] The sound produced by the LRAD is directed forward in a “beam” that is about fifteen to thirty degrees wide.