Jupiter-4
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Jupiter-4
The Roland Jupiter-4 (JP-4) was an analog synthesizer manufactured by the Roland Corporation between 1978 and 1981. It was notable as the company's first self-contained polyphonic synthesizer, and for employing digital control of analog circuits (termed ''compuphonic'' by Roland), allowing for such features as programmable memory, voice assignment modes, an arpeggiator, polyphonic portamento and others. Priced at US$2,895, it was dramatically cheaper than other polyphonic machines from its competitors (such as the Yamaha CS-80, Korg PS-3300 Prophet-5 and OB-X). While it didn't sell as many units compared to the competition, its primary design was such that it could be an accompaniment to organs, complete with an option for a music sheet stand to be fitted. Its future successor in 1981, the Jupiter-8, would go on to sell many more units and make Jupiter a recognized brand. Architecture The Jupiter-4's basic architecture consisted of four voice cards (usually identical, un ...
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Jupiter-4 Voice Cards
The Roland Jupiter-4 (JP-4) was an analog synthesizer manufactured by the Roland Corporation between 1978 and 1981. It was notable as the company's first self-contained polyphony (instrument), polyphonic synthesizer, and for employing digital electronics, digital control of analog circuits (termed ''compuphonic'' by Roland), allowing for such features as programmable memory, voice assignment modes, an arpeggiator, polyphonic portamento and others. Priced at US$2,895, it was dramatically cheaper than other polyphonic machines from its competitors (such as the Yamaha CS-80, Korg PS-3300 Prophet-5 and OB-X). While it didn't sell as many units compared to the competition, its primary design was such that it could be an accompaniment to organs, complete with an option for a music sheet stand to be fitted. Its future successor in 1981, the Roland Jupiter-8, Jupiter-8, would go on to sell many more units and make Jupiter a recognized brand. Architecture The Jupiter-4's basic archi ...
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Roland Jupiter-8
The Jupiter-8, or JP-8, is an eight-voice polyphonic analog subtractive synthesizer introduced by Roland Corporation in early 1981. The Jupiter-8 was Roland's flagship synthesizer for the first half of the 1980s. Approximately 3300 units have been produced. Although it lacked the soon-to-be standard of MIDI control, later production series of the Jupiter-8 did include Roland's proprietary DCB interface. The instrument had many advanced features for its time, including the ability to split the keyboard into two zones, with separate patches active on each zone. Two years after the release of the Jupiter-8, Roland released the more affordable Jupiter-6 synthesizer with built-in MIDI control but an otherwise slightly reduced set of features. In 2011, three decades after the release of the original Jupiter series, Roland released the fully digital Jupiter-80 and Jupiter-50 synthesizers as successors to the 1980s originals. They were in turn succeeded by the Jupiter-X and Jupiter-X ...
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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 Kakeh ...
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Rio (song)
"Rio" is the seventh single by English new wave band Duran Duran. It was first released as a single in Australia, in August 1982, followed by a UK release on 1 November 1982. The song was the fourth, final, and title single lifted from the band's second studio album of the same name, and was edited for its release. It was issued worldwide in October 1982 and became a Top 10 hit in the UK Singles Chart, peaking at number 9 on 11 December 1982. "Rio" was released as the third single from the album in Australia, and debuted on the Kent Music Report top 100 singles chart dated 6 September 1982. The song did not attract much notice in the United States upon its initial global release, but received early airplay at KROQ-FM in Los Angeles as early as 2 August 1982. After the band's breakthrough hit "Hungry Like the Wolf" found success in the American charts in December 1982, Capitol Records reissued the single in March 1983 to be the band's second US top 20 hit, peaking at number ...
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Synthpop
Synth-pop (short for synthesizer pop; also called techno-pop; ) is a subgenre of new wave music that first became prominent in the late 1970s and features the synthesizer as the dominant musical instrument. It was prefigured in the 1960s and early 1970s by the use of synthesizers in progressive rock, electronic, art rock, disco, and particularly the Krautrock of bands like Kraftwerk. It arose as a distinct genre in Japan and the United Kingdom in the post-punk era as part of the new wave movement of the late 1970s to the mid-1980s. Electronic musical synthesizers that could be used practically in a recording studio became available in the mid-1960s, and the mid-1970s saw the rise of electronic art musicians. After the breakthrough of Gary Numan in the UK Singles Chart in 1979, large numbers of artists began to enjoy success with a synthesizer-based sound in the early 1980s. In Japan, Yellow Magic Orchestra introduced the TR-808 rhythm machine to popular music, and the ...
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Intel MCS-48
The MCS-48 microcontroller series, Intel's first microcontroller, was originally released in 1976. Its first members were 8048, 8035 and 8748. The 8048 is probably the most prominent member of the family. Initially, this family was produced using NMOS (n-type metal–oxide–semiconductor) technology. In the early 1980s, it became available in CMOS technology. It was manufactured into the 1990s to support older designs that still used it. The MCS-48 series has a modified Harvard architecture, with internal or external program ROM and 64–256 bytes of internal (on-chip) RAM. The I/O is mapped into its own address space, separate from programs and data. Though the MCS-48 series was eventually replaced by the very successful MCS-51 series, it remained quite popular even by the year 2000 due to its low cost, wide availability, memory-efficient one-byte instruction set, and mature development tools. Because of this, it is used in high-volume, cost-sensitive consumer electronics ...
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Arpeggiator
A synthesizer (also spelled synthesiser) is an electronic musical instrument that generates audio signals. Synthesizers typically create sounds by generating waveforms through methods including subtractive synthesis, additive synthesis and frequency modulation synthesis. These sounds may be altered by components such as filters, which cut or boost frequencies; envelopes, which control articulation, or how notes begin and end; and low-frequency oscillators, which modulate parameters such as pitch, volume, or filter characteristics affecting timbre. Synthesizers are typically played with keyboards or controlled by sequencers, software or other instruments, and may be synchronized to other equipment via MIDI. Synthesizer-like instruments emerged in the United States in the mid-20th century with instruments such as the RCA Mark II, which was controlled with punch cards and used hundreds of vacuum tubes. The Moog synthesizer, developed by Robert Moog and first sold in 1964, ...
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Analog Synthesizer
An analog (or analogue) synthesizer is a synthesizer that uses analog circuits and analog signals to generate sound electronically. The earliest analog synthesizers in the 1920s and 1930s, such as the Trautonium, were built with a variety of vacuum-tube (thermionic valve) and electro-mechanical technologies. After the 1960s, analog synthesizers were built using operational amplifier (op-amp) integrated circuits, and used potentiometers (pots, or variable resistors) to adjust the sound parameters. Analog synthesizers also use low-pass filters and high-pass filters to modify the sound. While 1960s-era analog synthesizers such as the Moog used a number of independent electronic modules connected by patch cables, later analog synthesizers such as the Minimoog integrated them into single units, eliminating patch cords in favour of integrated signal routing systems. History 1900–1920 The earliest mention of a "synthetic harmoniser" using electricity appears to be in 1906, cre ...
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Duran Duran
Duran Duran () are an English Rock music, rock band formed in Birmingham in 1978 by singer and bassist Stephen Duffy, keyboardist Nick Rhodes and guitarist/bassist John Taylor (bass guitarist), John Taylor. With the addition of drummer Roger Taylor (Duran Duran drummer), Roger Taylor the following year the band went through numerous personnel changes before May 1980, when they settled on their most famous line-up by adding guitarist Andy Taylor (guitarist), Andy Taylor and lead vocalist Simon Le Bon. When Duran Duran emerged they were generally considered part of the New Romantic scene. Innovators of the music video, Duran Duran were catapulted into the mainstream with the introduction of the 24-hour music channel MTV. The group was a leading band in the MTV-driven Second British Invasion of the US in the 1980s. Photographer Denis O'Regan, who captured the band during their 1984 tour, commented "Duran Duran in America was like Beatlemania." The band's first major hit was "Gi ...
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Unison
In music, unison is two or more musical parts that sound either the same pitch or pitches separated by intervals of one or more octaves, usually at the same time. ''Rhythmic unison'' is another term for homorhythm. Definition Unison or perfect unison (also called a prime, or perfect prime)Benward & Saker (2003), p. 53. may refer to the (pseudo-) interval formed by a tone and its duplication (in German, ''Unisono'', ''Einklang'', or ''Prime''), for example C–C, as differentiated from the second, C–D, etc. In the unison the two pitches have the ratio of 1:1 or 0 half steps and zero cents. Although two tones in unison are considered to be the same pitch, they are still perceivable as coming from separate sources, whether played on instruments of a different type: ; or of the same type: . This is because a pair of tones in unison come from different locations or can have different "colors" (timbres), i.e. come from different musical instruments or human voices. Voices wit ...
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Roland CR-78
The Roland CompuRhythm CR-78 is a drum machine launched in 1978. Although primitive by later standards, the CR-78 represented an important advance in drum machine technology at the time, in particular by allowing users to program and store their own drum patterns. The wood effect cabinet and preset rhythms of the CR-78 such as ''Waltz'', ''Bossa Nova'' and ''Rhumba'' suggest that it was seen by its designers as primarily an accompaniment for an electric organ, but the CR-78 became one of the favorite instruments of pop and electronic musicians in the late 1970s and early 1980s. It was used by artists including Phil Collins, Peter Gabriel, Daryl Hall & John Oates, Blondie, Ultravox, Genesis, John Foxx, Orchestral Manoeuvres in the Dark, Roxy Music, and Gary Numan. Operation The CR-78 uses analog drum voices that sound very little like real percussion instruments. The unit also incorporates an NEC microprocessor CPU (NEC) uPD8048C-015 8-bits to provide digital cont ...
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Frequency Modulation
Frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave. The technology is used in telecommunications, radio broadcasting, signal processing, and Run-length limited#FM: .280.2C1.29 RLL, computing. In Analog signal, analog frequency modulation, such as radio broadcasting, of an audio signal representing voice or music, the instantaneous frequency deviation, i.e. the difference between the frequency of the carrier and its center frequency, has a functional relation to the modulating signal amplitude. Digital data can be encoded and transmitted with a type of frequency modulation known as frequency-shift keying (FSK), in which the instantaneous frequency of the carrier is shifted among a set of frequencies. The frequencies may represent digits, such as '0' and '1'. FSK is widely used in computer modems, such as fax modems, telephone caller ID systems, garage door openers, and other low-frequency transmissions. R ...
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