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Flanging is a time-based effects unit that occurs when two identical signals are mixed together, but with one signal time-delayed by a small and gradually changing amount, usually smaller than 20 milliseconds. This produces a swept comb filter effect: peaks and notches are produced in the resultant frequency spectrum, related to each other in a linear harmonic series. Varying the time delay causes these to sweep up and down the frequency spectrum.
Flanging is an audio effect produced by mixing two identical signals together, one signal delayed by a small and gradually changing period, usually smaller than 20 milliseconds. This produces a swept comb filter effect: peaks and notches are produced in the resulting frequency spectrum, related to each other in a linear harmonic series. Varying the time delay causes these to sweep up and down the frequency spectrum. A flanger is an effects unit that creates this effect.
An effects unit or effectspedal is an electronic or digital device that alters the sound of a musical instrument or other audio source. Common effects include distortion/overdrive, often used with electric guitar in electric blues and rock music; dynamic effects such as volume pedals and compressors, which affect loudness; filters such as wah-wah pedals and graphic equalizers, which modify frequency ranges; modulation effects, such as chorus, flangers and phasers; pitch effects such as pitch shifters; and time effects, such as reverb and delay, which create echoing sounds.
In signal processing, a comb filter is a filter implemented by adding a delayed version of a signal to itself, causing constructive and destructive interference. The frequency response of a comb filter consists of a series of regularly spaced notches, giving the appearance of a comb.
Part of the output signal is usually fed back to the input (a re-circulating delay line), producing a resonance effect which further enhances the intensity of the peaks and troughs. The phase of the fed-back signal is sometimes inverted, producing another variation on the flanging sound.
A flanger is a device dedicated to creating this sound effect.
A short sample followed by two flanging versions.
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Examples of music recordings with a flanging effect include:
Lester William Polsfuss, known as Les Paul, was an American jazz, country, and blues guitarist, songwriter, luthier, and inventor. He was one of the pioneers of the solid-body electric guitar. Paul taught himself how to play guitar, and while he is mainly known for jazz and popular music, he had an early career in country music. He is credited with many recording innovations. Although he was not the first to use the technique, his early experiments with overdubbing, delay effects such as tape delay, phasing effects and multitrack recording were among the first to attract widespread attention.
"The Big Hurt" is a pop song that was a hit for Toni Fisher in 1959. The song was written by Wayne Shanklin. The song went to No. 3 on the Billboard Hot 100 music chart in the United States. "The Big Hurt" is notable because it featured phasing effects which at that time were rare in popular music; DJ Dick Biondi on WKBW would introduce the record as "Toni Fisher's weird one."
Toni Fisher was an American pop singer. She was known for her recordings of "The Big Hurt", "West of the Wall", "Maybe ," and "Why Can't The Dark Leave Me Alone". She was later known as Toni F. Monzello, following her marriage to Henry Monzello.
"From Me to You" is a song by the English rock band the Beatles that was released in April 1963 as their third single. It was written by Paul McCartney and John Lennon. The song was the Beatles' first number 1 hit on what became the official UK singles chart but the second, after "Please Please Me", on most of the other singles charts published in the UK. "From Me to You" failed to make an impact in the United States at the time of its initial release. Instead, a 1963 cover version released by Del Shannon resulted in the song becoming the first Lennon–McCartney tune to enter the US pop charts.
The Beatles were an English rock band formed in Liverpool in 1960. With members John Lennon, Paul McCartney, George Harrison and Ringo Starr, they became regarded as the foremost and most influential music band in history. Rooted in skiffle, beat and 1950s rock and roll, the group were integral to pop music's evolution into an art form and to the development of the counterculture of the 1960s. They often incorporated classical elements, older pop forms and unconventional recording techniques in innovative ways, and later experimented with several musical styles ranging from pop ballads and Indian music to psychedelia and hard rock. As the members continued to draw influences from a variety of cultural sources, their musical and lyrical sophistication grew, and they were seen as an embodiment of the era's sociocultural movements.
It's Gonna Rain is a minimalist musical composition for magnetic tape written by Steve Reich in 1965. It lasts about 17 minutes and 50 seconds. It was Reich's first major work and a landmark in minimalism and process music.
Uncle Charlie & His Dog Teddy is the 1970 album from The Nitty Gritty Dirt Band that contains the hit song "Mr. Bojangles". The album reached #66 on US charts. Three singles charted: "Mr. Bojangles" reached #9, "House On Pooh Corner" reached #53, and "Some Of Shelly's Blues" reached #64.
The Nitty Gritty Dirt Band, an American country rock band, has existed in various forms since its founding in Long Beach, California, in 1966. The group's membership has had at least a dozen changes over the years, including a period from 1976 to 1981 when the band performed and recorded as the Dirt Band. Constant members since the early times are singer-guitarist Jeff Hanna and drummer Jimmie Fadden. Multi-instrumentalist John McEuen was with the band from 1966 to 1986 and returned during 2001, staying 16 years, then departing again in November 2017. Keyboardist Bob Carpenter joined the band in 1977. The band is often cited as instrumental to the progression of contemporary country and roots music.
"The Man Who Sold the World" is a song written and performed by David Bowie. It is the title track of his third album, with the same name, which was released in the US in November 1970 and in the UK in April 1971. The song has been covered by a number of other artists, notably by Lulu, who had a UK No. 3 hit with her version in 1974, and Nirvana, whose 1993 performance of the song for the television program MTV Unplugged introduced it to a new audience.
See You Later is an album by the Greek electronic composer Vangelis, released in 1980. It breaks quite violently with the style he had employed in the late 1970s and later, relying much more on vocals and being more experimental and returning to his early 1970s work like Earth or 666. It was never released in the United States, and is one of his rarest albums.
Evángelos Odysséas Papathanassíou, known professionally as Vangelis, is a Greek musician and composer of electronic, progressive, ambient, jazz, and orchestral music. He is best known for his Academy Award-winning score to Chariots of Fire, also composing scores for the films Blade Runner, Missing, Antarctica, The Bounty, 1492: Conquest of Paradise, and Alexander, and the use of his music in the PBS documentary Cosmos: A Personal Voyage by Carl Sagan.
Steinway & Sons, also known as Steinway, is an American-German piano company, founded in 1853 in Manhattan by German piano builder Heinrich Engelhard Steinweg. The company's growth led to the opening of a factory in New York City, United States, and a factory in Hamburg, Germany. The factory in the Queens borough of New York City supplies the Americas and the factory in Hamburg supplies the rest of the world.
Diva is the debut solo album by the Scottish singer-songwriter Annie Lennox, released in 1992. The album entered the UK album chart at number 1 and has since sold over 1.2 million copies in the UK alone, being certified quadruple platinum. It was also a success in the US, where it was a top 30 hit and has been certified double platinum. Diva won Album of the Year at the 1993 Brit Awards, and was nominated for Album of the Year at the Grammy Awards the same year.
Ann LennoxOBE is a Scottish singer-songwriter, political activist and philanthropist. After achieving moderate success in the late 1970s as part of the new wave band The Tourists, she and fellow musician David A. Stewart went on to achieve major international success in the 1980s as Eurythmics. With a total of eight Brit Awards, which includes being named Best British Female Artist a record six times, Lennox has been named the "Brits Champion of Champions".
"Popscene" is a song by English alternative rock band Blur, released as a non-album single on 30 March 1992. Despite its relatively low chart placing, it has since become critically praised and regarded as one of the pioneering songs of the Britpop genre.
Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. As audio signals may be represented in either digital or analog format, processing may occur in either domain. Analog processors operate directly on the electrical signal, while digital processors operate mathematically on the digital representation of that signal.
Distortion is the alteration of the original shape of something. In communications and electronics it means the alteration of the waveform of an information-bearing signal, such as an audio signal representing sound or a video signal representing images, in an electronic device or communication channel.
A sound effect is an artificially created or enhanced sound, or sound process used to emphasize artistic or other content of films, television shows, live performance, animation, video games, music, or other media. These are normally created with foley. In motion picture and television production, a sound effect is a sound recorded and presented to make a specific storytelling or creative point without the use of dialogue or music. The term often refers to a process applied to a recording, without necessarily referring to the recording itself. In professional motion picture and television production, dialogue, music, and sound effects recordings are treated as separate elements. Dialogue and music recordings are never referred to as sound effects, even though the processes applied to such as reverberation or flanging effects, often are called "sound effects".
Karplus–Strong string synthesis is a method of physical modelling synthesis that loops a short waveform through a filtered delay line to simulate the sound of a hammered or plucked string or some types of percussion.
Sound can be recorded and stored and played using either digital or analog techniques. Both techniques introduce errors and distortions in the sound, and these methods can be systematically compared. Musicians and listeners have argued over the superiority of digital versus analog sound recordings. Arguments for analog systems include the absence of fundamental error mechanisms which are present in digital audio systems, including aliasing and quantization noise. Advocates of digital point to the high levels of performance possible with digital audio, including excellent linearity in the audible band and low levels of noise and distortion.
Multitrack recording (MTR)—also known as multitracking, double tracking, or tracking—is a method of sound recording developed in 1955 that allows for the separate recording of multiple sound sources or of sound sources recorded at different times to create a cohesive whole. Multitracking became possible in the mid-1950s when the idea of simultaneously recording different audio channels to separate discrete "tracks" on the same reel-to-reel tape was developed. A "track" was simply a different channel recorded to its own discrete area on the tape whereby their relative sequence of recorded events would be preserved, and playback would be simultaneous or synchronized.
Reel-to-reel or open-reel audio tape recording is a form of magnetic tape audio recording in which the recording medium is held on a reel, rather than being securely contained within a cassette. In use, the supply reel or feed reel containing the tape is mounted on a spindle; the end of the tape is manually pulled out of the reel, threaded through mechanical guides and a tape head assembly, and attached by friction to the hub of a second, initially empty takeup reel.
Automatic double-tracking or artificial double-tracking (ADT) is an analogue recording technique designed to enhance the sound of voices or instruments during the mixing process. It uses tape delay to create a delayed copy of an audio signal which is then combined with the original. The effect is intended to simulate the sound of the natural doubling of voices or instruments achieved by double tracking. The technique was originally developed in 1966 by engineers at Abbey Road Studios in London at the request of The Beatles.
A phaser is an electronic sound processor used to filter a signal by creating a series of peaks and troughs in the frequency spectrum. The position of the peaks and troughs of the waveform being affected is typically modulated so that they vary over time, creating a sweeping effect. For this purpose, phasers usually include a low-frequency oscillator.
Electro-Harmonix is a New York-based company that makes high-end electronic audio processors and sells rebranded vacuum tubes. The company was founded by Mike Matthews in 1968. It is best known for a series of popular guitar effects pedals introduced in the 1970s and 1990s. Unknown to most people, EH also made a line of guitars in the 70's.
Moogerfooger is the trademark for a series of analog effects pedals manufactured by Moog Music. There are currently eight different pedals produced; however, one of these models is designed for processing control voltages rather than audio signal. A sixth model, the Analog Delay, was released in a limited edition of 1000 units and has become a collector's item.
Duophonic sound was a trade name for a type of audio signal processing used by Capitol Records on certain releases and re-releases of mono recordings issued during the 1960s and 1970s. In this process monaural recordings were reprocessed into a type of artificial stereo. Generically, the sound is commonly known as fake stereo or mock stereo.
Delay is an audio effect and an effects unit which records an input signal to an audio storage medium, and then plays it back after a period of time. The delayed signal may either be played back multiple times, or played back into the recording again, to create the sound of a repeating, decaying echo.
An exciter is an audio signal processing technique used to enhance a signal by dynamic equalization, phase manipulation, harmonic synthesis of (usually) high frequency signals, and through the addition of subtle harmonic distortion. Dynamic equalization involves variation of the equalizer characteristics in the time domain as a function of the input. Due to the varying nature, noise is reduced compared to static equalizers. Harmonic synthesis involves the creation of higher order harmonics from the fundamental frequency signals present in the recording. As noise is usually more prevalent at higher frequencies, the harmonics are derived from a purer frequency band resulting in clearer highs. Exciters are also used to synthesize harmonics of low frequency signals to simulate deep bass in smaller speakers.
The studio practices of the Beatles evolved during the 1960s and, in some cases, influenced the way popular music was recorded. Some of the effects they employed were sampling, artificial double tracking (ADT) and the elaborate use of multitrack recording machines. They also used classical instruments on their recordings and guitar feedback. The group's attitude toward the recording process was summed up by Paul McCartney: "We would say, 'Try it. Just try it for us. If it sounds crappy, OK, we'll lose it. But it might just sound good.' We were always pushing ahead: Louder, further, longer, more, different."
In computer music and professional audio creation, a DirectX plugin is a software processing component that can be loaded as a plugin into host applications to allow real-time processing, audio effects, mixing audio or act as virtual synthesizers. DirectX plugins allow the replacement of traditional recording studio hardware and rack units used in professional studios with software-based counterparts that can be connected together in a modular way. This allows host manufacturers to focus on the conviviality and efficiency of their products while specialized manufacturers can focus on the digital signal processing aspect. For example, there are plugins for effects boxes, such as reverbs and delays, effects pedals, like guitar distortion, flange and chorus, and for mixing and mastering processors such as compressors, limiters, exciters, sub bass enhancers, stereo imagers and many more.
In sound recording and reproduction, audio mixing is the process of combining multitrack recordings into a final mono, stereo or surround sound product. These tracks that are blended together are done so by using various processes such as equalization and compression. Audio mixing techniques and approaches can vary widely, and due to the skill-level or intent of the mixer, can greatly affect the qualities of the sound recording.
Eventide, Inc. is an audio, broadcast and communications company in the United States whose audio division manufactures digital audio processors and DSP software, and guitar effects. Eventide was one of the first companies to manufacture digital audio processors, and its products are mainstays in sound recording and reproduction, post production, and broadcast studios.
Calf Studio Gear, often referred to as Calf Plugins, is a set of open source LV2 plugins for the Linux platform. The suite intends to be a complete set of plugins for audio mixing, virtual instruments and mastering. As of version 0.90.0 there are 47 plugins in the suite.