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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.
On the above four terminologies for the classes of sound synthesis methods — i.e., (1) Wavetable synthesis, (2) Wavetable-modification algorithm, (3) Multiple wavetable synthesis, and (4) Sample-based synthesis — if these had been appropriately used to distinguish each other, any confusions could be avoided, but it seems failed historically.
The Yamaha YMF278 or YMF278B, also known as the OPL4 (OPL is an acronym for FM Operator Type-L), is a sound chip that incorporates both FM synthesis and sample-based synthesis (often incorrectly called "wavetable synthesis") by Yamaha.
It consists of low-cost sound chips providing FM synthesis for use in computing, music and video game applications. The OPL series of chips enabled the creation of affordable sound cards for IBM PC compatibles in the late 1980s such the AdLib and Sound Blaster , effectively becoming a de-facto standard until they were supplanted by " wavetable ...
In frequency modulation (FM) synthesis, also known as phase modulation, a carrier wave is modulated with the frequency of a modulator wave; the resulting complex waveform can, in turn, be modulated by another modulator, and this by another, and so on. [60] FM synthesis is characterized as "harsh", "glassy" and "chilly". [3]
Frequency modulation is widely used for FM radio broadcasting. It is also used in telemetry, radar, seismic prospecting, and monitoring newborns for seizures via EEG, [3] two-way radio systems, sound synthesis, magnetic tape-recording systems and some video-transmission systems.
A sound chip is an integrated circuit (chip) designed to produce audio signals through digital, analog or mixed-mode electronics.Sound chips are typically fabricated on metal–oxide–semiconductor (MOS) mixed-signal chips that process audio signals (analog and digital signals, for both analog and digital data).
The Prophet VS most certainly does wavetable synthesis. If the two coordinates of the vector went into some other kind of synthesis engine, say they were FM synthesis parameters, then it wouldn't be wavetable synthesis. But the VS is using these two parameters to control the mix of 4 wavetables. 72.92.135.233 04:54, 7 January 2008 (UTC)