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E-Mu ESI-4000
E-mu Systems was a software synthesizer, audio interface, MIDI interface, and MIDI keyboard manufacturer. Founded in 1971 as a synthesizer maker, E-mu was a pioneer in samplers, sample-based drum machines and low-cost digital sampling music workstations. After its acquisition in 1993, E-mu Systems was a wholly owned subsidiary of Creative Technology, Ltd.About E-MU
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In 1998, E-mu was combined with , another synthesizer and sampler manufacturer previously acquired by Creative Technology. E-mu was last based in



Subsidiary
A subsidiary, subsidiary company or daughter company is a company owned or controlled by another company, which is called the parent company or holding company. Two or more subsidiaries that either belong to the same parent company or having a same management being substantially controlled by same entity/group are called sister companies. The subsidiary can be a company (usually with limited liability) and may be a government- or state-owned enterprise. They are a common feature of modern business life, and most multinational corporations organize their operations in this way. Examples of holding companies are Berkshire Hathaway, Jefferies Financial Group, The Walt Disney Company, Warner Bros. Discovery, or Citigroup; as well as more focused companies such as IBM, Xerox, and Microsoft. These, and others, organize their businesses into national and functional subsidiaries, often with multiple levels of subsidiaries. Details Subsidiaries are separate, distinct legal entities f ...
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Music Workstation
A music workstation is an electronic musical instrument providing the facilities of: *a sound module, *a music sequencer and *(usually) a musical keyboard. It enables a musician to compose electronic music using just one piece of equipment. Origin of concept The concept of a music sequencer combined with a synthesizer originated in the late 1970s with the combination of microprocessors, mini-computers, digital synthesis, disk-based storage, and control devices such as musical keyboards becoming feasible to combine into a single piece of equipment that was affordable to high-end studios and producers, as well as being portable for performers. Prior to this, the integration between sequencing and synthesis was generally a manual function based on wiring of components in large modular synthesizers, and the storage of notes was simply based on potentiometer settings in an analog sequencer. Multitimbrality Polyphonic synthesizers such as Sequential Circuit Prophet-5 and Yamaha DX7 we ...
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E-mu Audity
The E-mu Audity was a digitally controlled, analog synthesizer made in 1978. It was inspired by Tangerine Dream's Peter Baumann, and eventually evolved into a state-of-the-art, 16-voice Polyphony, polyphonic analog synthesizer with an included digital keyboard and sequencer that was intended to compete with Sequential Circuits' Prophet 5. The project was funded with royalties from Sequential Circuits for their use of E-mu's digital scanning technology in their keyboards, and was to be sold for $69,200 (approximately $199,000, when adjusted for inflation in 2016). Only one Audity was ever built. It was exhibited at the May 1980 AES convention, but soon after Sequential Circuits notified E-mu that it was not going to continue paying royalties, which ensured the Audity's death. However, research on the Audity led to the development of the influential and successful Emulator, one of the first digital sampling keyboards. The only Audity ever made resides in the collection of National M ...
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E-mu Emulator
The Emulator is a series of digital sampling synthesizers using floppy disk storage, manufactured by E-mu Systems from 1981 until 2002. Though not the first commercial sampler, the Emulator was among the first to find wide use among ordinary musicians, due to its relatively low price and fairly contained size, which allowed for its use in live performances. It was also innovative in its integration of computer technology. The samplers were discontinued in 2002. Impetus E-mu Systems was founded in 1971 and began business as a manufacturer of microprocessor chips, digital scanning keyboards and components for electronic instruments. Licensing this technology gave E-mu ample funds to invest in research and development, and it began to develop boutique synthesizers for niche markets, including a series of modular synthesizers and the high-end Audity system. In 1979, founders Scott Wedge and Dave Rossum saw the Fairlight CMI and the Linn LM-1 at a convention, inspiring them to de ...
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Integrated Circuit
An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon. Large numbers of tiny MOSFETs (metal–oxide–semiconductor field-effect transistors) integrate into a small chip. This results in circuits that are orders of magnitude smaller, faster, and less expensive than those constructed of discrete electronic components. The IC's mass production capability, reliability, and building-block approach to integrated circuit design has ensured the rapid adoption of standardized ICs in place of designs using discrete transistors. ICs are now used in virtually all electronic equipment and have revolutionized the world of electronics. Computers, mobile phones and other home appliances are now inextricable parts of the structure of modern societies, made possible by the small size and low cost of ICs such as modern computer ...
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Sequential Circuits Prophet-5
The Prophet-5 is an analog synthesizer manufactured by the American company Sequential. It was designed by Dave Smith and John Bowen in 1977, who used microprocessors, then a new technology, to create the first polyphonic synthesizer with fully programmable memory. This allowed users to store sounds and recall them instantly rather than having to reprogram them manually; whereas synthesizers had once created unpredictable sounds, the Prophet-5 moved synthesizers to producing "a standard package of familiar sounds". Between 1978 and 1984, about 6,000 units were produced across three revisions. In 1981, Sequential released a 10-voice, double-keyboard version, the Prophet-10. Sequential introduced new versions in 2020, and it has been emulated in software synthesizers and hardware. The Prophet-5 has been widely used in popular music and film soundtracks. Development The Prophet-5 was created in 1977 by Dave Smith and John Bowen at Sequential Circuits. At the time, Smith had ...
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Dave Smith (engineer)
David Joseph Smith (April 2, 1950 – May 31, 2022) was an American engineer and founder of the synthesizer company Sequential. Smith created the first polyphonic synthesizer with fully programmable memory, the Prophet-5, which had a major impact on the music industry. He also led the development of MIDI, a standard interface protocol for synchronizing electronic instruments and audio equipment. In 2005, Smith was inducted into the Mix Foundation TECnology (Technical Excellence and Creativity) Hall of Fame for the MIDI specification. In 2013, he and the Japanese businessman Ikutaro Kakehashi received a Technical Grammy Award for their contributions to the development of MIDI. Career Smith was born on April 2, 1950 in San Francisco. He had degrees in both Computer Science and Electronic Engineering from UC Berkeley. Sequential Circuits and Prophet-5 He purchased a Minimoog in 1972 and later built his own analog sequencer, founding Sequential Circuits in 1974 and advertising ...
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Oberheim Polyphonic
The Oberheim Polyphonic Synthesizer is a range of analog music synthesizers that was produced from 1975 to 1979 by Oberheim Electronics. It was developed by Tom Oberheim, and was the first production synthesizer capable of playing chords. Specification Oberheim took the idea and electronics of a Minimoog synthesizer and put them in a small box, making a few changes, and in 1974 introduced the SEM (Synthesizer Expander Module), which became the building block of his polyphonic synths. By strapping two, four, or eight of these SEMs together under keyboard control, he was able to create practical, albeit large, synthesizers that could play two, four, or eight notes simultaneously. The Oberheim Polyphonic Synthesizer was born. Each SEM in an Oberheim Polyphonic generates one voice (or note). There was an optional Polyphonic Synthesizer Programmer module (PSP-1) for the four- and eight-voice models with 16 memories, which allowed the user to store and recall some sound settings of ...
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Oberheim Electronics
Oberheim is an American synthesizer manufacturer founded in 1969 by Tom Oberheim. History and products Tom Oberheim founded the company in 1969, originally as a designer and contract manufacturer of electronic effects devices for Maestro (most notably the Maestro PS-1A Phase Shifter),, and briefly a retail dealer for ARP Instruments, eventually designing the company's first Oberheim-branded product, the Oberheim DS-2, one of the first digital music sequencers. In 1975 Oberheim introduced the Synthesizer Expander Module (SEM) to complement the DS-2 sequencer and enable a user to play one synthesizer while the DS-2 played a sequence on another. The SEM featured a two-pole filter that could operate as a low-pass, high-pass, band-pass, or band-reject filter, giving it a different sound than the Moog and ARP filters popular at the time. The company later combined multiple SEM modules with a digitally-scanned keyboard and a 2-channel voltage-controlled sequencer to create a series o ...
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Modular Synthesizers
Modular synthesizers are synthesizers composed of separate modules for different functions. The modules can be connected together by the user to create a patch. The outputs from the modules may include audio signals, analog control voltages, or digital signals for logic or timing conditions. Typical modules are voltage-controlled oscillators, voltage-controlled filters, voltage-controlled amplifiers and envelope generators. History The first modular synthesizer was developed by German engineer Harald Bode in the late 1950s. The 1960s saw the introduction of the Moog synthesizer and the Buchla Modular Electronic Music System, created around the same period. The Moog was composed of separate modules which created and shaped sounds, such as envelopes, noise generators, filters, and sequencers, connected by patch cords. The Japanese company Roland released the Roland System 100 in 1975, followed by the System 700 in 1976 and the System 100m in 1979. In the late 1970s, ...
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Caltech
The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasionally referred to as "CIT", most notably in its alma mater, but this is uncommon. is a private university, private research university in Pasadena, California. Caltech is ranked among the best and most selective academic institutions in the world, and with an enrollment of approximately 2400 students (acceptance rate of only 5.7%), it is one of the world's most selective universities. The university is known for its strength in science and engineering, and is among a small group of Institute of Technology (United States), institutes of technology in the United States which is primarily devoted to the instruction of pure and applied sciences. The institution was founded as a preparatory and vocational school by Amos G. Throop in 1891 and began ...
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University Of California, Santa Cruz
The University of California, Santa Cruz (UC Santa Cruz or UCSC) is a public university, public Land-grant university, land-grant research university in Santa Cruz, California. It is one of the ten campuses in the University of California system. Located on Monterey Bay, on the edge of the coastal community of Santa Cruz, the campus lies on of rolling, forested hills overlooking the Pacific Ocean. Founded in 1965, UC Santa Cruz began with the intention to showcase progressive, cross-disciplinary undergraduate education, innovative teaching methods and contemporary architecture. The residential college system consists of ten small colleges that were established as a variation of the Oxbridge collegiate university system. Among the Faculty is 1 Nobel Prize Laureate, 1 Breakthrough Prize in Life Sciences recipient, 12 members from the United States National Academy of Sciences, National Academy of Sciences, 28 members of the American Academy of Arts and Sciences, and 40 members o ...
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