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A synthesizer (also synthesiser, [1] or simply 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.
Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together. [1][2] The timbre of musical instruments can be considered in the light of Fourier theory to consist of multiple harmonic or inharmonic partials or overtones.
Speech synthesis is the artificial production of human speech. A computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware products. A text-to-speech (TTS) system converts normal language text into speech; other systems render symbolic linguistic representations like phonetic ...
Waveforms for each β. Spectra for each β. 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.
Table-lookup synthesis[12] (or Wavetable-lookup synthesis[13]) (Roads 1996) 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 electro-mechanical technologies.
Make Noise Morphagene – a eurorack synthesizer module built around microsound, or granular synthesis, in addition to Musique Concrète-inspired sound on sound audio manipulation [9] [10] Tasty Chips GR-1 - polyphonic granular synthesizer capable of 128 grains per voice, which can add up to a total of 1000+ grains simultaneously [ 11 ]
The sound is used on trailers for THX-certified movie theaters, home video releases, video games, and in-car entertainment systems. The Deep Note was partially previewed on the opening track of the 1983 album The Digital Domain: A Demonstration, where it was included among sound effects that were combined with the Deep Note itself.
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