Several acoustic studies have shown that the position of your eyes determines where your visual spatial attention is directed, which automatically influences your auditory spatial attention. Researchers are currently exploring ...
Dec 9, 2020
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Listening to something while looking in a different direction can slow down reaction times while the brain works harder to suppress distractions, finds a new UCL study.
Jul 5, 2017
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Traffic, aircraft, mobile devices and personal music equipment are not the only sources of noise pollution. Public address systems have become part of the escalating problem, which according to the World Health Organization, ...
Jun 26, 2013
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During command and control operations, military personnel are frequently exposed to extreme auditory overload – essentially bombarded by multiple messages coming from radio networks, loudspeakers, and live voices in an ...
May 31, 2013
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Pakistan has witnessed a sharp drop in the number of families refusing to get their children vaccinated against polio, officials said Monday, while lamenting that nearly half a million children were left unvaccinated.
Oct 22, 2012
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A loudspeaker (or "speaker") is an electroacoustic transducer that produces sound in response to an electrical audio signal input. Non-electrical loudspeakers were developed as accessories to telephone systems, but electronic amplification by vacuum tube made loudspeakers more generally useful. The most common form of loudspeaker uses a paper cone supporting a voice coil electromagnet acting on a permanent magnet, but many other types exist. Where accurate reproduction of sound is required, multiple loudspeakers may be used, each reproducing a part of the audible frequency range. Miniature loudspeakers are found in devices such as radio and TV receivers, and many forms of music players. Larger loudspeaker systems are used for music, sound reinforcement in theatres and concerts, and in public address systems.
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