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SN76477 "complex sound generator" is a sound chip produced by Texas Instruments (TI). The chip came to market in 1978, [1] and TI ceased production of the part. [when?] A compatible version is identified as ICS76477. [2] The chip is typically used as a sound effects generator in arcade games and toys and for hobby projects. The use of the ...
A whistle is a quarter-wave generator, which means that a sound wave generated by a whistle is about four times the whistle length. If the speed of sound in the steam supplied to a whistle were 15936 inches per second, a pipe with a 15-inch effective length blowing its natural frequency would sound near middle C: 15936/(4 x
These devices are whistles that do not radiate sound, but are still aerodynamic whistles. The upper figure on the right shows the basic arrangement of one version of the device. The circle on the left is the fluid source (air or liquid). A jet is formed that either goes into the upper or lower channel. The black lines are the feedback paths.
North American steam locomotive whistles have different sounds from one another. They come in many forms, from tiny little single-note shriekers to larger plain whistles with deeper tones (a deep, plain train whistle is the "hooter" of the Norfolk & Western, used on their A- and Y-class Mallet locomotives). Even more well known were the multi ...
Robert Swanson founded Airchime Ltd., beginning by making custom steam whistles in his British Columbia home. He preferred the sound of steam whistles over the single-chime horns made by Leslie and Westinghouse Air Brake Company. In 1949, he introduced the Hexatone H5, of which some odd (88) were made according to Robert Eugene Swanson's ...
MyNoise Developer(s) Dr. Ir. Stéphane Pigeon Website mynoise.net MyNoise (stylised as myNoise) is a white noise website and app created by Stéphane Pigeon. It offers many different natural soundscapes, as well as synthetic noises such as white noise. History MyNoise was created in 2013 by Stéphane Pigeon, a Belgian audio processing engineer, sound designer, and electrical engineer. By April ...
Listening to the York Factory Whistle Concert early Christmas morning has been a tradition for generations. The concert, which features eerie-sounding holiday songs, is set for 12:10 a.m. on Dec ...
Steam whistle from a supertanker, in Merseyside Maritime Museum, United Kingdom An air horn is a pneumatic device designed to create an extremely loud noise for signaling purposes. It usually consists of a source which produces compressed air , which passes into a horn through a reed or diaphragm.