Per-Parameter Modulation

Assign audio to one control on one parameter card. If you have not read how audio reactivity works yet, start there. It covers the mental model this page puts into practice.

Before you start

Get two things in place:

Reactivity is on and a signal is present. See audio input. If nothing is coming in, the card you are about to open still shows its modulation controls, but adds an “Audio input inactive” note underneath them as a reminder that nothing will actually move until a signal arrives.
A parameter card to work with. Any visual with float (slider) parameters works. Toggle switches and color swatches cannot take audio modulation, and their cards say so if you expand them.

Step 1: Open the parameter’s card

In the creator panel’s Parameters section, each control has its own card. Tap the card’s header row to expand it. The chevron rotates and the modulation controls appear underneath the slider.

Step 2: Turn on Advanced Modulation

By default, an expanded card shows a compact summary: the current preset (if any), a Range slider, and a couple of quick buttons. To pick a specific band and mode yourself, you need the full picker.

Scroll to the bottom of the Parameters section and switch on Show Advanced Modulation. This is a section-wide toggle. Turning it on exposes the full source, mode, and smoothing controls on every card, not just the one you are editing.

Step 3: Set the range

With Advanced Modulation on, an expanded card leads with the RANGE control: the low and high points the modulation moves between. It is clamped to the parameter’s own authored range, so you cannot push it outside what the control allows. A narrow Range keeps the movement subtle, a wide Range makes it dramatic. The compact view also shows Range once a control has an assignment. The full editor is where it sits here.

Step 4: Pick a band

Below Range is a SOURCE section: every band grouped under Signals, Hits, and Presence, each with a small bar that reacts to the incoming sound in real time. See bands and modes for what each one measures.

Tapping a band when the control has no modulation turns modulation on, using that band.
Tapping a different band while one is already assigned swaps to the new band.
Tapping the band that is currently assigned turns modulation off for that control.

Once a band is assigned, the card’s activity dot next to the parameter name brightens with it, and the slider takes on that band’s color.

Step 5: Pick a mode

Below the source picker is a MODE row with four buttons: Loop, Ping Pong, Hit, and Fade. Tap one to set the motion shape. Bands and modes covers what each one looks like in motion.

Step 6: Dial in smoothing

The Smoothing slider (0 to 1) controls how tightly the control’s motion tracks the raw audio versus how much it eases between values. Lower is snappier, higher is smoother. See tuning audio response for how this interacts with the global Amount and Speed controls.

Turning modulation off

You can remove modulation from a control at any point:

In the compact view, tap Off.
In the advanced view, tap Reset Modulation.
Or tap the currently assigned band again in the source picker.

The slider drives the control on its own again.

Starting from a shipped default

Many visuals ship with audio assignments already dialed in for their parameters. If one exists for a control and you have not overridden it, the compact view labels it DEFAULT AVAILABLE with a Default button to apply it. Once applied, the status reads AUDIO DEFAULT if your settings still match what shipped, or AUDIO CUSTOM once you have changed anything. The advanced view offers the same restore as Reset to Bundle Default.

Next steps

Bands and modes: what every band measures and every mode looks like.
Tuning audio response: fix a reaction that feels too twitchy or too flat.
How audio reactivity works: the mental model this page builds on.
BPM and tap tempo: for beat-grid-synced movement instead of live audio-follow.