Synthesis

Frequency Modulation Synthesis Algorithm

Frequency Modulation Synthesis Algorithm
  1. How does frequency modulation synthesis work?
  2. Is FM synthesis additive synthesis?
  3. What is the difference between FM and AM synthesis?

How does frequency modulation synthesis work?

FM synthesis uses a modulator oscillator and a sine wave carrier oscillator. The modulator oscillator modulates the frequency of the waveform generated by the carrier oscillator within the audio range, thus producing new harmonics. These harmonics are known as sidebands.

Is FM synthesis additive synthesis?

In FM, oscillators are called Operators. It differs from additive synthesis in the fact that rather than combining the waves together, the output of one operator is sent to modulate, or "wobble", the next.

What is the difference between FM and AM synthesis?

Modulation Synthesis

AM stands for amplitude modulation and uses changes in amplitude to encode a radio wave. FM stands for frequency modulation which unlike AM, uses changes in frequencies to encode. The different techniques make a huge difference in terms of sound quality.

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