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A synthesizer (also synthesiser [1] or synth) 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 .
FM synthesis was the basis of some of the early generations of digital synthesizers, most notably those from Yamaha, as well as New England Digital Corporation under license from Yamaha. [5] Yamaha DX7 FM digital synthesizer (1983) Yamaha's DX7 synthesizer, released in 1983, was ubiquitous throughout the 1980s. Several other models by Yamaha ...
Schematic diagram of additive synthesis. The inputs to the oscillators are frequencies and amplitudes .. Harmonic additive synthesis is closely related to the concept of a Fourier series which is a way of expressing a periodic function as the sum of sinusoidal functions with frequencies equal to integer multiples of a common fundamental frequency.
Mutable Instruments Clouds – a digital, open source eurorack synthesizer module which has four factory set modes, the first and default being a granular processor [8] Make Noise Morphagene – a eurorack synthesizer module built around microsound, or granular synthesis, in addition to Musique Concrète -inspired sound on sound audio ...
The technique has since been used as the primary synthesis method in synthesizers built by PPG and Waldorf Music and as an auxiliary synthesis method by Ensoniq and Access. It is currently used in hardware synthesizers from Waldorf Music and in software synthesizers for PCs and tablets, including apps offered by PPG and Waldorf, among others.
Until the advent of digital synthesizers, subtractive synthesis was the nearly universal electronic method of sound production. [5] Its popularity was due largely to its relative simplicity. [6] Subtractive synthesis was so prevalent in analog synthesizers that it is sometimes called "analog synthesis". [7]
LFO section of an Access Virus C series synthesizer. Low-frequency oscillation (LFO) is an electronic frequency that is usually below 20 Hz and creates a rhythmic pulse or sweep. This is used to modulate musical equipment such as synthesizers to create audio effects such as vibrato, tremolo and phasing. [1]
Electronic synthesizers quickly become a standard part of the popular-music repertoire. The first movie to use music made with a (Moog) synthesizer was the James Bond film On Her Majesty's Secret Service in 1969. After the release of the film, composers produced a large number of movie soundtracks that featured synthesizers.
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