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A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control, which has caused permanent hearing damage, having an extremely high decibel capacity (up to 160 dB measured at one meter ...
Genasys Inc. is based in San Diego, California.Its long-range acoustic device (LRAD) products are used for long-range acoustic hailing and mass notification. Its software-as-a-service product suite, the Genasys Protect Platform, that includes ACOUSTICS, ALERT, CONNECT (formerly Evertel), and EVAC (formerly Zonehaven), is used for emergency alerting, notifications, evacuations, secure ...
The devices have also been employed to keep marine mammals away from fishing nets. [2] The devices are known as acoustic harassment devices ( AHDs) and acoustic deterrent devices, which are smaller AHDs [3] or intended as an awareness tool to warn species to the presence of danger rather than as a tool of harassment at a much louder level. [4]
The Long Range Acoustic Device (LRAD) is an acoustic hailing device developed by Genasys (formerly LRAD Corporation) to send messages and warning tones over longer distances or at higher volume than normal loudspeakers, and as a non-lethal directed-acoustic-energy weapon.
The HS-24, the HS-16 and an MA-2. HyperSpike is a brand name for acoustic products manufactured by Ultra Electronics – Undersea Sensor Systems Inc. (USSI), in Columbia City, Indiana. HyperSpike is composed of a line of acoustic hailing devices that feature integrated electronics with a flat frequency response curve. [1]
The Long Range Acoustic Device (LRAD) is an acoustic hailing device developed by LRAD Corporation to send messages and warning tones over longer distances or at higher volume than normal loudspeakers. LRAD systems are used for long-range communications in a variety of applications [53] including as a means of non-lethal, non-kinetic crowd control.
The contents of the Acoustic hailing device page were merged into Long-range acoustic device on 30 December 2022. For the contribution history and old versions of the redirected page, please see ; for the discussion at that location, see its talk page.
Active Denial System. The Active Denial System (ADS) is a non-lethal directed-energy weapon developed by the U.S. military, [2] designed for area denial, perimeter security and crowd control. [3] Informally, the weapon is also called the heat ray[4] since it works by heating the surface of targets, such as the skin of targeted human beings.
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