Modulation Effects Explained

Modulation Effects Explained
Modulation effects are a great way to create movement within a mix. This article will explain the different types of modulation effects available for mixing.

1. Tremolo
2. Vibrato
3. Flanging
4. Phase Shifting or Phasing
5. Chorus

All of these effects are built around a Low Frequency Oscillator more commonly referred to as just an LFO. An LFO is an audio signal usually less than 20Hz that creates a pulsating rhythm rather than an audible tone. These are used for manipulate synthesizer tones, and as you will see, to create various modulation effects. All the effects listed use Sine wave as the waveshape for the LFO.

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