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Choose an EFM1 modulator waveform in MainStage
In classic FM synthesis, sine waves are used as modulator and carrier waveforms. The EFM1 modulator oscillator provides a number of additional digital waveforms, which extend its sonic capabilities significantly. These waveforms contain additional harmonics that add a new level of richness to the resulting FM sounds.
Choose a different waveform
In MainStage, turn the Wave parameter knob.
If you turn the knob to the full-left position, the modulator produces a sine wave.
If you turn the knob clockwise, you step—or fade—through a series of complex digital waveforms.