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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 .
Table-lookup synthesis [12] (or Wavetable-lookup synthesis [13]) is a class of sound synthesis methods using the waveform tables by table-lookup, called "table-lookup oscillator" technique. The length of waveforms or samples may be varied by each sound synthesis method, from a single-cycle up to several minutes.
An analog synthesizer (British English: analogue synthesiser) 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
Subtractive synthesis was so prevalent in analog synthesizers that it is sometimes called "analog synthesis". [7] It was the method of sound production in instruments like the Trautonium (1930), Novachord (1939), Buchla 100 (1960s), EMS VCS 3 (1969), Minimoog (1970), ARP 2600 (1971), Oberheim OB-1 (1978), and Korg MS-20 (1978).
Frequency modulation synthesis (or FM synthesis) is a form of sound synthesis whereby the frequency of a waveform is changed by modulating its frequency with a modulator. The (instantaneous) frequency of an oscillator is altered in accordance with the amplitude of a modulating signal. [1] FM synthesis can create both harmonic and inharmonic sounds.
Direct digital synthesis (DDS) is a method employed by frequency synthesizers used for creating arbitrary waveforms from a single, fixed-frequency reference clock. DDS is used in applications such as signal generation , local oscillators in communication systems, function generators , mixers, modulators , [ 1 ] sound synthesizers and as part of ...
Electronic Music Laboratories, commonly abbreviated to EML, was a synthesizer company founded in 1968 in Vernon, Connecticut, by four engineers.It manufactured and designed a variety of synthesizers sharing the same basic design but configured in different ways.
With the resurgence of non-modular analog synthesizers, the exposure of synthesizer parameters via CV/gate provided a way to achieve some of the flexibility of modular synthesizers. Some synthesizers could also generate CV/gate signals and be used to control other synthesizers. One of the main advantages of CV/gate over MIDI is in the resolution.