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An 1860s-era siren. [2] A siren is a loud noise-making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines. There are two general types: mechanical and electronic.
The sound is used on trailers for THX-certified movie theaters, home video releases, video games, and in-car entertainment systems. The Deep Note was partially previewed on the opening track of the 1983 album The Digital Domain: A Demonstration, where it was included among sound effects that were combined with the Deep Note itself.
food and drink deprivation, and stress positions. Music can be used as a tool of psychological warfare. The term "music torture " is sometimes used to describe the practice. [citation needed] While it is acknowledged by United States interrogation experts to cause discomfort, it has also been characterized as having no "long-term effects". [1]
Train. The Train is the name given to a sound recorded on March 5, 1997, on the Equatorial Pacific Ocean autonomous hydrophone array. The sound rises to a quasi-steady frequency. According to the NOAA, the origin of the sound is most likely generated by a very large iceberg grounded in the Ross Sea, near Cape Adare.
Loudness. In acoustics, loudness is the subjective perception of sound pressure. More formally, it is defined as the "attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to loud". [1] The relation of physical attributes of sound to perceived loudness consists of physical, physiological and ...
Don't be one of them. Warning: American tourists are being profiled. Don't be one of them. If it feels like you have a target on your back when you're traveling, you might be right. Tourists are ...
Noise music. Noise music is a genre of music that is characterised by the expressive use of noise. This type of music tends to challenge the distinction that is made in conventional musical practices between musical and non-musical sound. [4] Noise music includes a wide range of musical styles and sound-based creative practices that feature ...
Certain words in the English language represent animal sounds: the noises and vocalizations of particular animals, especially noises used by animals for communication. The words can be used as verbs or interjections in addition to nouns, and many of them are also specifically onomatopoeic. List of animal sounds