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Phaser

EffectsphaserModerate CPU

All-pass sweep, 1–8 poles. Rate + Depth + Feedback.

What it does

Classic all-pass phaser sweep.

Wraps daisysp::Phaser. Number of all-pass stages (1–8) and the centre frequency are set at init; LFO Rate (Hz), Depth and Feedback are audio-rate.

Parameters

  • Poles

    poles
    Default 4Range 1 … 8

    How many all-pass stages the signal passes through, 1 to 8. Each stage adds another notch to the comb, so more poles means a denser, deeper and more obviously swirling effect, while one or two stages is a gentle movement you might not consciously notice. ⚠ Baked at build time. More poles also cost more CPU, since every stage is filtering every sample.

  • Centre (Hz)

    apFreq
    Default 400Range 20 … 8000

    The centre frequency the sweep moves around, in Hz. It decides which part of the spectrum the notches live in: low values act on the body of a sound and give a thick, syrupy swirl, while high values sit up in the presence region and sound airier and more like shimmer. ⚠ Baked at build time.

  • Rate (Hz)

    rate
    Default 0.3Range 0.01 … 10

    How quickly the notches sweep up and down, in Hz. Fractions of a Hz give the slow drifting movement that suits pads; a few Hz becomes an obvious pulsing. Per-sample, so wiring the port lets an envelope or another LFO drive the speed.

  • Depth

    depth
    Default 0.7Range 0 … 1

    How far the notches travel from the centre frequency on each sweep. Small values keep the movement local and subtle; large values sweep across a wide range and make the effect unmistakable. At 0 the notches stand still and the tile becomes a fixed filter colouration rather than a phaser.

  • Feedback

    feedback
    Default 0.2Range 0 … 1

    How much of the output is routed back into the all-pass chain, which sharpens the notches into resonant peaks. Low values are broad and gentle; higher values make each notch narrow and vocal, so the sweep sounds more like it is singing than washing. Per-sample, so it can be modulated.

All-pass-network sweep. Poles + centre frequency are baked at init; Rate/Depth/Feedback are per-sample (modulatable). More poles = deeper notches.

Ports

In

  • Audio In input
  • Rate rate
  • Depth depth
  • Feedback feedback

Out

  • Audio Out output

Audio Control

Inputs

Audio In
Source.
Rate
LFO frequency in Hz.
Depth
Sweep depth, 0–1.
Feedback
Resonance, 0–1.

Outputs

Audio Out
Phased signal.