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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 ...
The original video by Pinkfong is now the most viewed video on the site. On October 29, 2020, Baby Shark surpassed 7 billion views, and on November 2, 2020, it passed Despacito to become the most viewed video on YouTube. On February 23, 2021, Baby Shark surpassed 8 billion views, becoming the first video to do so.
Noise-induced hearing loss ( NIHL) is a hearing impairment resulting from exposure to loud sound. People may have a loss of perception of a narrow range of frequencies or impaired perception of sound including sensitivity to sound or ringing in the ears. [1] When exposure to hazards such as noise occur at work and is associated with hearing ...
Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
July 22, 2024 at 10:13 PM. ZURICH (Reuters) -Computer mouse maker Logitech International raised its full-year sales and profit outlook on Tuesday, encouraged by strong quarterly growth. The Swiss ...
The audio system is a PCM digital stereo and can capture in 16 or 12 bits. The terminal features sockets for headphones, external microphones, analogue-in, direct print, AV and S-video, and the video is captured to a computer via either FireWire or USB. It has an accessory shoe on the top and takes a Li-ion battery. It weighs 620 grams. [12]
Patrick Mouratoglou, who has coached Serena Williams and other top players, says many players are taught to grunt because, “It’s a way to breathe well while you play.”. Some people have a ...
Elevated workplace or environmental noise can cause hearing impairment, tinnitus, hypertension, ischemic heart disease, annoyance, and sleep disturbance. [ 3][ 4] Changes in the immune system and birth defects have been also attributed to noise exposure. [ 5] Although age-related health effects ( presbycusis) occur naturally with age, [ 6] in ...