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A simple whistle is a woodwind instrument which produces sound from a stream of forced air. Whistle may refer to: a single-note woodwind instrument a tinwhistle or pennywhistle whistling whistled language Whistle, an 80s hip-hop band. ...
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A woodwind instrument is a musical instrument in which sound is produced by blowing through a mouthpiece against an edge or by a vibrating reed, and in which the pitch is varied by opening or closing holes in the body of the instrument. ...
A musical instrument is a device constructed or modified with the purpose of making music. ...
This article is about audible acoustic waves. ...
Many types exist, from small police and sports whistles (also called pea whistles), to much larger train whistles, which are steam whistles specifically designed for use on locomotives and ships. Although whistles have a musical characteristic (for example train whistles sound a minor-seventh musical chord) whistles are not usually considered 'musical' in the sense of being able to play a chosen melody, but mainly the small whistles can also be used as a - very shrill and loud - noise and rhythm instrument. However, musical whistles exist, including any of several 2-octave musical instruments known as tin whistles (sometimes known as pennywhistles or low whistles), as well as the calliope (an array of separately actuable steam whistles), organ pipes and the recorder. Pea whistles are used in jazz and Latin music as a percussion instrument, and children often use them as a toy music instrument. Train whistle, (originally referred to as a steam trumpet), is an audible signaling device on a steam locomotive used to warn that the train is approaching, and to communicate with rail workers. ...
Steam Whistle Brewing is a microbrewery in Toronto, Canada. ...
Great Western Railway No. ...
For other uses, see Ship (disambiguation). ...
A seventh chord is a chord or triad which has a note the seventh above the tonic in it. ...
For other uses, see Octave (disambiguation). ...
The tin whistle, also called the tinwhistle, whistle, pennywhistle, or Irish whistle, is a simple six-holed woodwind instrument. ...
Circus calliope, lithograph by Gibson & Co. ...
Organ in Katharinenkirche, Frankfurt am Main, Germany The organ is a keyboard instrument played using one or more manuals and a pedalboard. ...
Various recorders The recorder is a woodwind musical instrument of the family known as fipple flutes or internal duct flutes — whistle-like instruments which include the tin whistle and ocarina. ...
For other uses, see Jazz (disambiguation). ...
Latin American music, or the music of Latin America, is sometimes called Latin music. ...
Percussion redirects here. ...
The whistle works by causing the smooth flow of air to be split by a narrow blade, sometimes called a fipple, creating a turbulent vortex which causes the air to vibrate. By attaching a resonant chamber to the basic whistle, it may be tuned to a particular note and made louder. The length of the chamber typically defines the resonance frequency. A whistle may also contain a small light ball, usually called the pea, which rattles around inside, creating a chaotic vibrato effect that intensifies the sound. Japanese bird whistles use several small balls and are half filled with water in order to reproduce the sound of a bird song. A fipple mouthpiece uses a narrow windway and a blade-like edge to channel and vibrate air blown into it. ...
In fluid dynamics, turbulence or turbulent flow is a flow regime characterized by chaotic, stochastic property changes. ...
Vortex created by the passage of an aircraft wing, revealed by coloured smoke A vortex (pl. ...
Acoustic resonance is an important consideration for instrument builders as most acoustic instruments use resonators, such as the strings and body of a violin, the length of tube in a flute, and the shape of a drum membrane. ...
For other uses, see Frequency (disambiguation). ...
Binomial name L. Percentages are relative to US recommendations for adults. ...
For other uses, see Chaos (disambiguation). ...
Vibrato is a musical effect where the pitch or frequency of a note or sound is quickly and repeatedly raised and lowered over a small distance for the duration of that note or sound. ...
Blackbird (Turdus merula), singing male. ...
A steam whistle works the same way, but using steam as a source of pressure: such whistles can produce extremely high sound intensities.
Sometimes, unintentional whistles can be set up. A common one is the opened sunroof of a car: air passing over the top of the vehicle can, at certain speeds, strike the back edge of the sunroof, creating a very low frequency whistle which is resonated by the closed interior of the car. Since the sound frequency is infrasonic, around 4 Hz, the effect is very uncomfortable for occupants, who feel the vibration rather than hear it. Such low frequencies can induce nausea, headache, disorientation and dizziness. The effect can be prevented by opening a side window a few inches. Subsonic whistles have also been developed for use as weapons, or to deliberately create a sense of uneasiness in an enemy.[citation needed] Open sunroof in a Peugeot 206. ...
“Car†and “Cars†redirect here. ...
Infrasound is sound with a frequency too low to be detected by the human ear (less than approximately 20 hertz). ...
This article is about the SI unit of frequency. ...
For other uses, see Nausea (disambiguation). ...
A headache (cephalgia in medical terminology) is a condition of pain in the head; sometimes neck or upper back pain may also be interpreted as a headache. ...
This article is about the mental state and medical condition. ...
// Pre-syncope is a sensation of feeling faint. ...
Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution‎ (1,024 × 768 pixels, file size: 148 KB, MIME type: image/jpeg)By Richard Wheeler (Zephyris) 2007. ...
Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution‎ (1,024 × 768 pixels, file size: 148 KB, MIME type: image/jpeg)By Richard Wheeler (Zephyris) 2007. ...
History
In 1878 Joseph Hudson (inventor) of Birmingham, England, made the first whistle ever to be used by a football referee. New Zealand referee William Atack was the world's first to use a whistle to stop a game of sport in 1884. It was used for the first time (allegedly) at a game held at Nottingham Forest, prior to this referees used handkerchiefs to attract players attention. Joseph Hudson was an inventor in Birmingham, England during the late 19th century. ...
This article is about the British city. ...
A referee presides over a game of association football (soccer). ...
Year 1884 (MDCCCLXXXIV) was a leap year starting on Tuesday (link will display the full calendar) of the Gregorian calendar (or a leap year starting on Sunday of the 12-day-slower Julian calendar). ...
He later made the first police whistle for the Metropolitan police force, prior to this police had to use hand rattles, whistles were only used as musical instruments or toys. His whistle is still used by the force and many others today. By 1884 Joseph Hudson had perfected his whistles and he released the world's most successful whistle to date, the 'Acme Thunderer' (the first ever pea whistle). The whistle has been used as an alarm or attention-getting instrument by all manner of industries, sports and revellers. It continues to sell in great quantities throughout the world.
Industrial whistles
 Examples of police whistles Industrial whistles are used for signalling and timekeeping both on railroad and ships, and in factories. Most of these whistles were steam powered and not standardized. Individual locomotives could be identified by their whistles. At noontime in industrial areas up into the 1950s whistles of every pitch could be heard, as each factory had a boiler and a whistle, if not full steam power. Acme Thunderer and Metropolitan police whistles in the submitters collection. ...
Acme Thunderer and Metropolitan police whistles in the submitters collection. ...
A distress signal is an internationally recognized means of obtaining help by using a radio, displaying a visual object or making noise from a distance. ...
Look up time in Wiktionary, the free dictionary. ...
This is the top-level page of WikiProject trains Rail tracks Rail transport refers to the land transport of passengers and goods along railways or railroads. ...
For other uses, see Ship (disambiguation). ...
This article or section does not cite any references or sources. ...
A steam engine is a heat engine that makes use of the potential energy that exists as pressure in steam, converting it to mechanical work. ...
Great Western Railway No. ...
The 1950s decade refers to the years 1950 to 1959 inclusive. ...
Railroads in particular used elaborate whistle codes for communication both within the train and with other trains. These methods are maintained today with motor-powered air horns. Trucks also use air horns, especially since they often have air brakes and so there is already a source of compressed air on board. For other uses, see Train (disambiguation). ...
This article or section is in need of attention from an expert on the subject. ...
Train whistles generally produce three or four different frequencies at the same time, to produce a non-major chord, that is distinct, loud, and low in pitch. Train whistle, (originally referred to as a steam trumpet), is an audible signaling device on a steam locomotive used to warn that the train is approaching, and to communicate with rail workers. ...
Generally speaking, a major chord is any chord which has a major third above its root, as opposed to a minor chord which has a minor third. ...
Ship's whistles must be very loud for safety on the seas. Modern ship's whistles can be electrically driven or steam driven. The RMS Queen Mary was originally equipped with three electric Tyfon whistles in 1932. They could be heard at least ten miles away and were tuned to 55 Hz, a low bass A note that was chosen for maximum passenger comfort despite the high sound pressure level.[1] One of the three whistles was taken back to Kockum Sonics in Malmö, Sweden, where it was refurbished for a new life of service aboard the RMS Queen Mary 2. Modern IMO regulations specify ships' whistle frequencies to be in the range 70-200 Hz for vessels that are over 200 meters in length.[2] Traditionally, the lower the frequency, the larger the ship. The Queen Mary 2, being 345 meters long, was given the lowest possible frequency (70 Hz) for her regulation whistles which means she carries both 70 Hz modern whistles and a single vintage 55 Hz whistle. The International Regulations for Preventing Collisions at Sea 1972 (COLREGS) are published by the International Maritime Organization (IMO), and set out the rules of the road to be followed by ships and other vessels at sea. ...
Steam Whistle Brewing is a microbrewery in Toronto, Canada. ...
Queen Mary 1936 RMS Queen Mary is an ocean liner that sailed the North Atlantic Ocean from 1936 to 1967 for Cunard Line (then Cunard White Star Line). ...
Motto: Från arbetarstad till kunskapsstad (eng: From industrial city to knowledge city) Location of Malmö in northern Europe Coordinates: , Country Sweden Municipality Malmö Municipality County Skåne County Province Scania (Skåne) Charter 13th century Government - Mayor Illmar Reepalu Area - City 335. ...
The RMS Queen Mary 2 (QM2) is a Cunard Line ocean liner named after the earlier Cunard liner Queen Mary, which was in turn named after Mary of Teck, the Queen Consort of George V. At the time of her construction in 2003, the QM2 was the longest, widest and...
Headquarters of the International Maritime Organisation in Lambeth, adjacent to the east end of Lambeth Bridge Headquarters building taken from the west side of the Thames Headquartered in London, U.K., the International Maritime Organization (IMO) promotes cooperation among governments and the shipping industry to improve maritime safety and to...
Safety Whistles are often used as warning devices or as safety devices serving to attract attention to the user. Some cyclists use a whistle as a substitute for a bell or horn. It should be noted, however, that many jurisdictions require that the warning device be permanently attached to the bicycle. A cyclist is a person who engages in cycling whether as a sport or rides a bicycle for recreation or transportation. ...
A bell is a simple sound-making device. ...
A horn is a tapered sound-guide designed to provide an acoustic impedance match between a sound-producing device and the characteristic impedance of free space. ...
For other uses, see Bicycle (disambiguation). ...
Rescue or Survival whistles are often packed in survival kits and attached to Personal flotation devices to allow a victim to signal for help. The whistle is audible at much greater distances than the human voice, and is less likely to cause exhaustion if used repeatedly. Survival whistles differ from pea whistles in that they are usually flat, so that water cannot collect inside if the user is immersed, for example after falling overboard from a boat. Survival kit is a package of basic tools and supplies prepared in advance as an aid to survival in an emergency. ...
A personal flotation device (also named PFD, lifejacket, life preserver, Mae West, life vest, life saver, cork jacket, life belt) is a device designed to keep a wearer afloat and their head above water, often in swimming pools, rivers, lakes, and oceans. ...
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