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In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the reception of such waves and their perception by the brain. Only acoustic waves that have frequencies lying between about 20 Hz and 20 kHz, the audio frequency range, elicit an auditory percept in humans. In air at atmospheric pressure, these represent sound waves with wavelengths of 17 meters to 1.7 centimetres. Sound
In geography, a sound is a large sea or ocean inlet, deeper than a bight and wider than a fjord; or a narrow sea or ocean channel between two bodies of land (see also strait).   There is little consistency in the use of "sound" in English-language place names .
Sound is the term to describe what is heard when sound waves pass through a medium to the ear. All sounds are made by vibrations of molecules through which the sound travels. For instance, when a drum or a cymbal is struck, the object vibrates .
The Sound were an English post-punk band, formed in South London in 1979 and dissolved in 1988. They were fronted by Adrian Borland, and evolved from his previous band, the Outsiders. While never commercially successful, the Sound have long been championed by critics.
Sound system crews hold 'sound clash' competitions, where each sound system is set up and then the two crews try to outdo each other. Movies. The use of subwoofers to provide deep bass in film presentations received a great deal of publicity in 1974 with the movie Earthquake which was released in Sensurround. Initially installed in 17 U.S ...
The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a kilometre in 2.9 s or a mile in 4.7 s.
Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels). Its first application was in movie theaters .
Puget Sound (/ ˈ p juː dʒ ɪ t /) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea.It is located along the northwestern coast of the U.S. state of Washington.