Magnetic hysteresis saturation. Stateful and history-dependent, with four quality modes and 0 samples latency in Live.
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Many saturation designs apply a transfer curve: a static function that maps input to output the same way every time. Hysteresis Shaper uses a stateful magnetic model inspired by classical magnetic hysteresis behaviour. The output depends on the current input and on where the magnetisation state was a moment ago.
That history-dependence is what makes magnetic saturation behave differently from tube-style saturation or digital clipping. When you drive into it gently, transients soften and subtle cohesion builds. Push harder and the hysteresis loop opens wider: harmonics build, the ceiling compresses, and the saturation character changes depending on what happened in the previous samples.
Five core controls shape the magnetic behaviour. Drive sets the input level into the model. Hysteresis controls the width of the loop — wider means more harmonics and more history-dependence. Saturation sets the magnetic ceiling. Memory controls how much influence the previous state has on the current output. Bias shifts the DC offset for asymmetric harmonic character.
Two advanced controls add texture. Coupling introduces inter-sample interaction: a subtle complexity based on neighbouring magnetic-state interaction inside the model. Barkhausen adds controlled stochastic grain inspired by Barkhausen-style magnetic domain jumps.
Four quality modes: Live (1×, 0 samples reported latency, RK2 integrator), Design (2×, RK2), Mix (4×, RK4), and Master (8×, RK4). Higher modes push aliasing further above the audible band, while Mix and Master use the higher-order RK4 integrator. Live is for tracking, Master is for final renders.
Hysteresis Shaper is offline-first. No internet connection required for activation or use. The plugin sends no telemetry, performs no phone-home checks, and does not require an online account inside the DAW.
Magnetic hysteresis saturation. Stateful and history-dependent, with four quality modes and 0 samples latency in Live.
Drive at 0 dB or below. The hysteresis loop barely opens: soft transient rounding and subtle cohesion for bus use.
Drive at +6 to +12 dB. Harmonics become audible, the loop widens, and the saturation character asserts itself. Good for drums and bass.
Drive above +12 dB. Heavy saturation with Barkhausen grain. Blend back with Mix at 10–30% for parallel texture without destruction.
Set the crossovers on the chart. Adjust per-band Mix in the same view.
Hysteresis Shaper can split the signal into low, mid, and high bands, so the low end, body, and top end do not all need the same amount of hysteresis processing. Drag the two crossover handles on the spectrum to set the band ranges, then use the per-band Mix markers to decide how much processed signal each band keeps.
In Mid/Side mode, each lane gets its own crossover layout. You can drive the mid-band mids harder while keeping the side-band lows cleaner, or build the opposite shape, without pretending one global setting is enough for the whole stereo field. Civilization advances by millimeters.
The default setup keeps the familiar single-band workflow intact: crossovers at the extremes, band Mix at 100%, and no multiband setup required unless you want it.
HysteresisShaper is not a simple waveshaper. Its output depends on where the signal has just been, not only where it is now. The same input sample can produce a different result depending on the recent signal history, giving you looped, magnetic saturation with real memory and movement.
Three controls shape the magnetic response. Magnetic Detail adds Barkhausen-style grain, Hysteresis Core controls loop width and bias behaviour, and Texture adjusts how strongly the past pulls on the present. Together they move the sound from controlled magnetic colour to denser, more unstable saturation.
A real-time hysteresis loop display shows the response per lane, with the spectrum behind it. Wider loops add density and memory; asymmetric loops skew the harmonic balance. Move the controls and watch the magnetic curve change with the sound.
Switch between Stereo, Left/Right, and Mid/Side operation from one control. Internal Mid/Side encode/decode and Lane Link let you move quickly between classic stereo colour, independent dual-lane saturation, and width-aware tone shaping.
Two Linkwitz–Riley 4th-order crossovers split the input into low, mid, and high bands, each with its own hysteresis stage. Per-band wet/dry Mix sets how much processed signal each band keeps, so the low end, body, and top end do not all need the same amount of saturation. The crossover points are per-lane. In Mid/Side mode, the low–mid crossover can sit at 120 Hz for the Mid lane and 80 Hz for the Side lane, letting the center and sides use different band layouts instead of forcing one crossover setting across the whole stereo image. The crossover path is designed for coherent reconstruction of the multiband wet signal. With all band Mix controls at 100%, the output is the recombined low, mid, and high wet bands, without an extra broadband mix stage on top.
