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GroupDelay - All-Pass Disperser

All-pass filter disperser for phase-based effects.

Overview

Creates frequency-dependent phase delay to shape transients and spatial feel. Adjust FREQ/AMOUNT/PINCH to control the effect. It is easy to hear on sources like kick drums. Inspired by Kilohearts Disperser.

Parameters

FREQ (0.0–1.0, default 0.5) - Center frequency (displayed as 20Hz–20kHz) - Examples: - Value = 0.0: Around 20Hz - Value = 1.0: Around 20kHz

FREQ CV DEPTH (-1.0–1.0, default 0.0) - CV depth for FREQ - Examples: - Value = 0.0: CV off - Value = 1.0: Full depth

AMOUNT (0.0–32.0, default 4.0) - Number of stages - Examples: - Value = 0: Minimal effect - Value = 32: Maximum effect

AMOUNT CV DEPTH (-1.0–1.0, default 0.0) - CV depth for AMOUNT - Examples: - Value = 0.0: CV off - Value = 1.0: Full depth

PINCH (0.5–16.0, default 5.15) - Q (resonance) - Examples: - Value = 0.5: Wide peak - Value = 16.0: Sharp peak

PINCH CV DEPTH (-1.0–1.0, default 0.0) - CV depth for PINCH - Examples: - Value = 0.0: CV off - Value = 1.0: Full depth

I/O / CV

  • Audio In: L/R
  • Audio Out: L/R
  • CV In: Frequency, Amount, Pinch (±10V)

Context Menu

  • Freq CV Filter (toggle CV smoothing)