
Precision band-focused saturation. Target specific frequencies with a state-variable bandpass filter, then saturate with smooth tanh waveshaping — from gentle warmth to Insane mode destruction.
Rather than saturating the entire signal, Super Saturator isolates the target frequency band, saturates it independently, and recombines — for surgical or musical results.
A Cytomic state-variable filter (zero-delay feedback topology) extracts the target frequency band from the dry signal.
The isolated band is driven through tanh(x × drive × 2) — a smooth soft-clip that generates tube-like harmonic content.
Output = dry - originalBand + saturatedBand. The dry signal minus the clean band, plus the saturated band — no phase issues.
Automatic level compensation: 1/(1 + 1.8 × drive²). Keeps perceived loudness constant regardless of drive amount.
Center frequency from 20 Hz to 20 kHz. Target low-end warmth, mid-range grit, or high-frequency sizzle with precision.
Q from 12 (very narrow) to 0.3 (very wide) via logarithmic interpolation. Surgical notch saturation or broadband warmth.
Every parameter maps directly to the DSP architecture. No hidden menus, no complexity. Drive the band, pick the frequency, set the width, go Insane.
Built with JUCE 8 and C++17. Precision DSP with zero-delay feedback filters and musical-grade waveshaping.
tanh(sample × drive × 2.0) — steeper curve at moderate drive for a more "tubey" character. Smooth, odd-harmonic saturation without discontinuities.
Andrew Simper's zero-delay feedback state-variable filter topology. Numerically stable bandpass extraction with no phase issues.
Curve tuned by ear: 1/(1 + 1.8 × drive²). At 100% drive ≈ 0.55 gain, at 150% ≈ 0.40. Keeps perceived loudness roughly constant.
Only the target frequency band is saturated. Low and high frequencies pass through clean — no mud, no harshness.
Q interpolated logarithmically: Q = 12 × (0.3/12)^range. Perceptually even control from surgical to broadband.
Extends drive range from 100% to 150%. At maximum: rich, harmonically dense distortion with musical compression.
One Knob is free and simple. Super Saturator adds frequency targeting, bandwidth control, and Insane mode.