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LFO Node

1 min read

The LFO Node is a typical low-frequency oscillator, most commonly used to automate the parameters of other Nodes.


Inputs

Frequency-Control Input

A Control input to automate the Frequency setting, in Hz, from 0+ Hz to the Nyquist frequency. This input can be toggled from the Node settings panel.


Settings

Frequency

LFO frequency, in Hz.

Start phase

★ With AudioNodes HD

Sets oscillator initial phase shift, as a percentage. Maximum value is 100%, which means a whole period of offset.

Output min

Minimum value of the output periodic wave.

Output max

Maximum value of the output periodic wave.

Wave type

Sets the oscillator’s wave type, well-known ones like sine, sawtooth, square, triangle are available.

Sync mode

Configures if and how the LFO’s phase should be reset:

  • None — no reset, the LFO is fully free-running at all times
  • Hard-Sync (input) — reset phase based on an input signal: every time the input signal increases above 0 (while it was 0 or lower previously), the LFO phase is reset
  • MIDI (input) — reset phase based on input MIDI notes: each note resets the LFO phase
  • Global play — reset phase when playback is started

Outputs

Control Output

LFO wave’s current value as it flows.


Technical Details

Unlike the Oscillator Node, the LFO Node produces mathematically accurate sine, triangle, sawtooth, and square waves.