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Encyclopedia > Resonator

A resonator is a device or part that vibrates (or oscillates) with waves. Oscillation is the periodic variation, typically in time, of some measure as seen, for example, in a swinging pendulum. ... A wave is a disturbance that propagates through space, often transferring energy. ...

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Electromagnetic

A distributed parameter resonator of the distributed network type, has the capacitance, inductance and resistance which cannot be isolated into separate lumped capacitors, inductors, or resistors. The time factor of propagation of wave energy in the network is appreciable. Resonators can be of the dielectric type or magnetic type. A hollow device that uses resonance to amplify a wave is called a "cavity resonator". To meet Wikipedias quality standards, this article or section may require cleanup. ...


Automobiles

A resonator is one part in exhaust systems that works with the muffler to reduce noise, by making sound waves "cancel each other out"[1]. The "exhaust note" is an important feature for many vehicle owners, so both the original manufacturers and the after-market suppliers use the resonator to enhance the sound in some way - for example, so-called "Ricers" are notorious for using resonators which aim to give an exhaust note comparable to that of a V8. An exhaust system conveys burnt gases from an internal combustion engine and typically includes a collection of pipes. ... A muffler (USA name) or silencer (name in the United Kingdom and other areas) is a device for reducing the amount of noise emitted by a machine such as an internal combustion engine or a gun. ... Aftermarket is an umbrella term for the collective network of vendors who design and sell vehicular components that are intended to replace the stock manufacturers parts in order to alter the appearance or performance of the vehicle. ... This article or section does not cite its references or sources. ... The Liberty V8 aircraft engine clearly shows the configuration A V8 engine is a V engine with eight cylinders. ...


Musical instruments

Most musical instruments include resonators for the sound of the instrument. In string instruments this is the body of the instrument. In many keyboard percussion instruments, below the centre of each note is a tube, which is a cavity resonator, that is referred to simply as the resonator. The length of the tube varies according to the pitch of the note, with higher notes having shorter resonators. The tube is open at the top end and closed at the bottom end, creating a column of air which resonates when the note is struck. This adds depth and volume to the note. A musical instrument is a device constructed or modified with the purpose of making music. ... The following instruments are collectively known as tuned percussion or keyboard percussion, or sometimes, mallet percussion. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The Tacoma Narrows Bridge (shown twisting) in Washington collapsed spectacularly, under moderate wind, in part because of resonance. ...


In Camille Saint-Saëns Danse Macabre, a skeleton's dance is depicted by a xylophone. Since the instrument in Saint-Saëns' day did not have resonators, it is often performed with resonators removed (or covered). This makes sound of the instrument more brittle and bone-like. The vibrato effect of a vibraphone is obtained by a mechanism which opens and shuts the resonators. Also, by itself, it may be referring to the resonator guitar, dobro. Charles Camille Saint-Saëns (IPA: ) (9 October 1835–16 December 1921) was a French composer and performer, best known for his orchestral work The Carnival of the Animals. ... From The Dance of Death by Hans Holbein La Danse Macabre, also called Dance of death, La Danza Macabra, or Totentanz, is a late-medieval allegory on the universality of death: no matter ones station in life, the dance of death united all. ... Skeleton of a Blue Whale In biology, the skeleton or skeletal system is the biological system providing physical support in living organisms. ... Xylophone in Bali 1937 The xylophone (from the Greek meaning wooden sound) is a musical instrument in the percussion family which probably originated in Indonesia (Nettl 1956, p. ... Grays illustration of a human femur, a typically recognized bone. ... 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. ... A typical vibraphone. ... A Dobro style resonator guitar Dobro® is a trade name used mainly for guitars. ...


See also

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. ...

External links


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Resonance FM — The Art of Listening (545 words)
A monthly event designed to promote Resonance FM and Electric Sheep Magazine: why not come down to the Roxy Bar and Screen on Borough High Street and watch Miike Takashi’s delirious horror musical The Happiness of the Katakuris which mixes The Sound of Music, Psycho and The Evil Dead to great aplomb.
For the next three weeks Mark Stafford, John Riley, James DeCarteret and Tom Geens will be discussing the films they’ve seen and are looking forward to in the festival on Thursday nights in I’m ready for my close-up at 10.30pm and on Fridays at 5pm instead of the usual …close-up repeat.
The recent “Diggers” interview with Robert Wyatt is repeated on Friday 26 October at 8pm due to popular demand.
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