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TR-909
The Roland TR-909 Rhythm Composer is a drum machine introduced by Roland Corporation in 1983, succeeding the TR-808. It was the first Roland drum machine to use samples for some sounds, and the first with MIDI functionality, allowing it to synchronize with other devices. Though it was a commercial failure, the 909 became influential in the development of electronic dance music genres such as techno, house and acid. Design The 909 was designed by Tadao Kikumoto, who also designed the Roland TB-303 synthesizer. Chief Roland engineer Makoto Muroi credited the design of the analog and pulse-code modulation voice circuits to "Mr Ou" and its software to "Mr Hoshiai". Whereas its predecessor, the TR-808, is known for its "boomy" bass, the 909 sounds aggressive and "punchy". It was the first Roland drum machine to use samples (prerecorded sounds), for its crash, ride and hi-hat sounds; other sounds are generated with analog synthesis. As the clap and snare are generated via ...
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Tadao Kikumoto
is Roland's senior managing director and head of its R&D center. He designed the TB-303 bass synthesizer and the TR-909 drum machine. He was also the chief engineer of the Roland TR-808 drum machine. Roland TR-808 Design The Roland TR-808, a programmable drum machine, was launched in 1980. The TR-808 included unique artificial percussion sounds, such as “the hum kick, the ticky snare, the tishy hi-hats (open and closed) and the spacey cowbell.” The machine is particularly noted for its powerful booming bass drum sound, built from a combination of a bridged T-network sine oscillator, a low-pass filter, and a voltage-controlled amplifier. The bass drum decay control allows the user to lengthen the sound, creating uniquely low frequencies that flatten slightly over long periods, which can be used to create basslines or bass drops.''Spin''February 1990, page 24/ref> It was the first drum machine with the ability to program an entire percussion track of a song from beg ...
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Techno
Techno is a Music genre, genre of electronic dance music (EDM) which is generally music production, produced for use in a continuous DJ set, with tempo often varying between 120 and 150 beats per minute (bpm). The central Drum beat, rhythm is typically in common time (4/4) and often characterized by a repetitive four on the floor (music), four on the floor beat. Artists may use electronic instruments such as drum machines, sequencer (musical instrument), sequencers, and synthesizers, as well as digital audio workstations. Drum machines from the 1980s such as Roland Corporation, Roland's TR-808 and TR-909 are highly prized, and softsynth, software emulations of such retro instruments are popular. Much of the instrumentation in techno emphasizes the role of rhythm over other musical parameters. Techno tracks mainly progress over manipulation of timbre, timbral characteristics of synthesizer presets and, unlike forms of EDM that tend to be produced with synthesizer keyboards, techno ...
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Roland Corporation
is a Japanese manufacturer of electronic musical instruments, electronic equipment, and software. It was founded by Ikutaro Kakehashi in Osaka on 18 April 1972. In 2005, its headquarters relocated to Hamamatsu in Shizuoka Prefecture. It has factories in Malaysia, Taiwan, Japan, and the United States. As of 31 March 2010, it employed 2,699 people. In 2014, it was subject to a management buyout by its CEO, Junichi Miki, supported by Taiyo Pacific Partners. Roland has manufactured numerous instruments that have had lasting impacts on music, such as the Juno-106 synthesizer, TB-303 bass synthesizer, and TR-808 and TR-909 drum machines. It was also instrumental in the development of MIDI, a standardized means of synchronizing electronic instruments manufactured by different companies. In 2016, ''Fact'' wrote that Roland had arguably had more influence on electronic music than any other company. History 1970s Having created Ace Electronic Industries Inc in 1960, Ikutaro ...
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House Music
House is a music genre characterized by a repetitive Four on the floor (music), four-on-the-floor beat and a typical tempo of 120 beats per minute. It was created by Disc jockey, DJs and music producers from Chicago metropolitan area, Chicago's underground Clubbing (subculture), club culture in the late 1970s, as DJs began altering disco songs to give them a more mechanical beat. House was pioneered by African Americans, African American DJs and producers in Chicago such as Frankie Knuckles, Ron Hardy, Jesse Saunders, Chip E., Steve "Silk" Hurley, Farley "Jackmaster" Funk, Marshall Jefferson, Phuture, and others. House music expanded to other American cities such as New York City and became a worldwide phenomenon. House has had a large effect on pop music, especially dance music. It was incorporated by major international pop artists including Whitney Houston, Janet Jackson ("Together Again (Janet Jackson song), Together Again"), Kylie Minogue, Pet Shop Boys and Madonna ("Vogu ...
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Roland TR-808
The Roland TR-808 Rhythm Composer, commonly known as the 808, is a drum machine manufactured by the Roland Corporation between 1980 and 1983. It was one of the first drum machines to allow users to program rhythms instead of using preset patterns. Unlike its nearest competitor at the time, the more expensive Linn LM-1, the 808 generates sounds using analog synthesis rather than by playing samples (prerecorded sounds). Launched when electronic music had yet to become mainstream, the 808 received mixed reviews for its unrealistic drum sounds and was a commercial failure. After building approximately 12,000 units, Roland discontinued the 808 after its semiconductors became impossible to restock. It was succeeded by the TR-909 in 1983. Over the course of the 1980s, the 808 attracted a cult following among underground musicians for its affordability on the used market, ease of use and idiosyncratic sounds, particularly its deep, booming bass drum. It became a cornerstone of the ...
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Roland TB-303
The Roland TB-303 Bass Line (also known as the 303) is a bass synthesizer released by Roland Corporation in 1981. Designed to simulate bass guitars, it was a commercial failure and was discontinued in 1984. However, cheap second-hand units were adopted by electronic musicians, and its "squelching" or "chirping" sound became a foundation of electronic dance music genres such as acid house, Chicago house and techno. It has inspired numerous clones. Design and features The TB-303 was designed by Tadao Kikumoto who also designed the Roland TR-909 drum machine. It was marketed as a "computerised bass machine" to replace the bass guitar. However, according to ''Forbes,'' it instead produces a "squelchy tone more reminiscent of a psychedelic mouth harp than a stringed instrument". The TB-303 has a single oscillator, which produces either a "buzzy" sawtooth wave or a "hollow-sounding" square wave. This is fed into a 24 dB/octave low-pass filter, which is manipulated by an envelop ...
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DIN Sync
DIN sync, also called Sync24, is a synchronization interface for electronic musical instruments. It was introduced in the early 1980s by Roland Corporation and has been superseded by MIDI. Definition and history DIN sync was introduced in the early 1980s by Roland Corporation for the synchronization of music sequencers, drum machines, arpeggiators and similar devices. It was superseded by MIDI, in the mid to late 1980s. DIN sync consists of two signals, clock (tempo) and run/stop. Both signals are TTL compatible, meaning the low state is 0 V and the high state is about +5 V. The clock signal is a low-frequency pulse wave suggesting the tempo. Instead of measuring the waveform's frequency, the machine receiving the signal merely has to count the number of pulses to work out when to increment its position in the music. Roland equipment uses 24 pulses per quarter note, known as Sync24. Therefore, a Roland-compatible device playing sixteenth notes would have to ...
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MIDI
MIDI (; Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and related audio devices for playing, editing, and recording music. The specification originates in the paper ''Universal Synthesizer Interface'' published by Dave Smith and Chet Wood of Sequential Circuits at the 1981 Audio Engineering Society conference in New York City. A single MIDI cable can carry up to sixteen channels of MIDI data, each of which can be routed to a separate device. Each interaction with a key, button, knob or slider is converted into a MIDI event, which specifies musical instructions, such as a note's pitch, timing and loudness. One common MIDI application is to play a MIDI keyboard or other controller and use it to trigger a digital sound module (which contains synthesized musical sounds) to generate sounds, wh ...
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Dynamic Range
Dynamic range (abbreviated DR, DNR, or DYR) is the ratio between the largest and smallest values that a certain quantity can assume. It is often used in the context of Signal (electrical engineering), signals, like sound and light. It is measured either as a ratio or as a decimal, base-10 (decibel) or Binary numeral system, base-2 (doublings, bits or Stops (Dynamic Range), stops) Logarithmic scale, logarithmic value of the difference between the smallest and largest signal values. Electronically reproduced audio and video is often processed to fit the original material with a wide dynamic range into a narrower recorded dynamic range that can more easily be stored and reproduced; this processing is called dynamic range compression. Human perception The human senses of Visual perception, sight and hearing have a relatively high dynamic range. However, a human cannot perform these feats of perception at both extremes of the scale at the same time. The human eye takes time to adjust ...
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MIDI Controller
A MIDI controller is any hardware or software that generates and transmits Musical Instrument Digital Interface (MIDI) data to MIDI-enabled devices, typically to trigger sounds and control parameters of an electronic music performance. They most often use a musical keyboard to send data about the pitch of notes to play, although a MIDI controller may trigger lighting and other effects. A wind controller has a sensor that converts breath pressure to volume information and lip pressure to control pitch. Controllers for percussion and stringed instruments exist, as well as specialized and experimental devices. Some MIDI controllers are used in association with specific digital audio workstation software. The original MIDI specification has been extended to include a greater range of control features. Features MIDI controllers usually do not create or produce musical sounds by themselves. MIDI controllers typically have some type of interface that the performer presses, strikes, ...
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Phaser (effect)
A phaser is an electronic sound processor used to filter a signal, and it has a series of troughs in its frequency-attenutation graph. The position (in Hz) of the peaks and troughs are typically modulated by an internal low-frequency oscillator so that they vary over time, creating a sweeping effect. Phasers are often used to give a "synthesized" or electronic effect to natural sounds, such as human speech. The voice of C-3PO from ''Star Wars'' was created by taking the actor's voice and treating it with a phaser. Process The electronic phasing effect is created by splitting an audio signal into two paths. One path treats the signal with an all-pass filter, which preserves the amplitude of the original signal and alters the phase. The amount of change in phase depends on the frequency. When signals from the two paths are mixed, the frequencies that are out of phase will cancel each other out, creating the phaser's characteristic notches. Changing the mix ratio changes th ...
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Snare Drum
The snare (or side drum) is a percussion instrument that produces a sharp staccato sound when the head is struck with a drum stick, due to the use of a series of stiff wires held under tension against the lower skin. Snare drums are often used in orchestras, concert bands, marching bands, parades, drumlines, drum corps, and more. It is one of the central pieces in a drum set, a collection of percussion instruments designed to be played by a seated drummer and used in many genres of music. Snare drums are usually played with drum sticks, but other beaters such as the brush or the rute can be used to achieve different tones. The snare drum is a versatile and expressive percussion instrument due to its sensitivity and responsiveness. The sensitivity of the snare drum allows it to respond audibly to the softest strokes, even with a wire brush. It can be used for complex rhythmic patterns and engaging solos at moderate volumes. Its high dynamic range allows the player to produce ...
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