> For the complete documentation index, see [llms.txt](https://manual.minimal.audio/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.minimal.audio/current-manual/modulation/morphing-lfo.md).

# Morphing LFO

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### Overview

The LFO modulator can morph between four classic waveforms, with the ability to randomize each shape for smooth random modulation, sample and hold shapes, and more. Additionally, trigger modes and fade controls allow it to adapt to various use cases, from attack-decay envelopes to freely looping random shapes.

<figure><img src="/files/sR9zs1Ltra8LCu2DNZcS" alt=""><figcaption></figcaption></figure>

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### 1. Trigger Modes

Choose how the modulator responds to incoming MIDI notes:

* **Free.** The modulator will not respond to MIDI and will instead be synced to the DAW's timeline position.
* **Trigger.** The modulator will be triggered by incoming MIDI and loop continuously after being triggered.
* **One-Shot.** The modulator will be triggered by incoming MIDI and will only play through once each time a note is played.

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### 2. Main Controls&#x20;

**Rate.** Adjust the **LFO Rate**.

**Rate Mode.** Choose between different types of BPM synchronization for the LFO rate. (e.g. Sync)

**Randomize.** Adjust the amount of LFO randomization. Note that each waveform randomizes in a unique way.

**Level.** Attenuate and invert the LFO’s output signal. This will impact the modulation wherever it is assigned.

**LFO** **Shape.** Choose from sine, triangle, downward ramp, or square LFO shapes. When SNAP is disabled, these shapes can be continuously morphed.

**Shape** **Snap.** Enable snapping between LFO shapes. When disabled, the LFO shapes are continuously morphed.

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### 3. Display Control

**Phase.** Adjust the phase offset of the LFO. This setting determines the starting point of the LFO when triggered. In **Free** mode, it adjusts the phase offset relative to the DAW's timeline position.

**Fade.** Set how quickly the LFO fades in or out. A value of zero will result in no fade.

&#x20;


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