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Long-range acoustic device - Wikipedia
https://en.wikipedia.org/wiki/Long-range_acoustic_device
WebLRAD operator wearing hearing protection. LRAD on a U.S. Navy ship. 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.
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Lung-RADS | Radiology Reference Article | Radiopaedia.org
https://radiopaedia.org/articles/lung-rads
WebOct 22, 2023 · Lung-RADS ( Lung Imaging Reporting and Data System ), is a classification proposed to aid with findings in low-dose CT screening exams for lung cancer. The goal of the classification system is to standardize follow-up and management decisions.
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What’s an LRAD? Explaining the ‘sonic weapons’ police use for …
https://theconversation.com/whats-an-lrad-explaining-the-sonic-weapons-police-use-for-crowd-control-and-communication-177442
WebPublished: February 20, 2022 2:13pm EST. At vaccine mandate protests in Canberra last week, police used powerful loud-hailing devices called Long-Range Acoustic Devices (LRADs) to address...
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LRAD Sound Cannon - How Does LRAD Work | Sonic Weapon in …
https://www.popularmechanics.com/military/weapons/a32892398/what-is-lrad-sonic-weapon-protests/
WebJun 17, 2020 · At a distance, an LRAD deterrent tone may sound like any other alarm. But while whistles emit sound waves in all directions, LRADs concentrate the waves in a narrow cone of sound, extending...
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LRAD Products - Genasys
https://genasys.com/lrad-products/
WebApr 26, 2024 · LRAD systems are in service in more than 100 countries and 500 U.S. cities in diverse applications. Download our LRAD Product Guide. Request a Quote. View Hand-Portable Devices. View Mid-Range Devices. View Longer-Range Devices. View Mobile Systems. Watch the On-Demand Webinar. Hand-Portable LRADs. 100X-BLK-MAG …
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Explainer: LRAD -- What Is It And How Does It Work? - Radio …
https://www.rferl.org/a/explainer-lrad-sound-cannon/24927845.html
WebMar 13, 2013 · The LRAD, or Long Range Acoustic Device (pictured here on the right) can emit a blast of amplified sound capable of inducing headaches, panic, and potential hearing loss. Its effects have...
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Understanding the LRAD, the “Sound Cannon” Police Are ... - Pitchfork
https://pitchfork.com/thepitch/understanding-the-lrad-the-sound-cannon-police-are-using-at-protests-and-how-to-protect-yourself-from-it/
WebJun 9, 2020 · The Long Range Acoustic Device, or LRAD, is a speaker system and sound energy weapon developed in the early 2000s for use by the U.S. military. It renders sound in directional focus and at...
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How LRAD Works | HowStuffWorks
https://science.howstuffworks.com/lrad.htm
WebNov 22, 2023 · Lawn mower: 90 dB. Threshold of pain: 130 dB, depending on the person's tolerance. LRAD maximum continuous volume: 162 dB. Read More. Contents. A Review of Sound and Hearing. The Long Range Acoustic Device and Loud Sounds. LRAD and Directional Sound. Crowd-Control Sound Cannon. Concerns About Hearing Damage and …
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What's an LRAD? Explaining the 'sonic weapons' police use for …
https://techxplore.com/news/2022-02-lrad-sonic-weapons-police-crowd.html
WebFeb 21, 2022 · 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, or "sound pressure level" (SPL), is not a linear measure: an increase of 10dB actually corresponds to a tenfold increase in SPL.
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What is LRAD? The ‘sound cannon’ used by police, explained
https://www.digitaltrends.com/news/what-is-lrad-sonic-cannon-explained/
WebJun 5, 2020 · 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, and...
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