Sound FFT Region Modifier
Updated: 20 Aug 2025
Adds additional triggers to a Sound FFT Modifier
Sound FFT Region Modifier
Method #
A modifier that works with the Sound FFT Modifier node to add additional frequency regions. To use this node, it must be parented to an existing Sound FFT Modifier.
Using this node as an addition to the Sound FFT Modifier is a much more efficient way of generating multiple audio reactive triggers from one sound source. By parenting multiple FFT Region Modifiers to one Sound FFT Modifier, you can create multiple triggers from one FFT transform.
To set calibrate the reactivity of this node, you can use the properties on the node itself, but the easiest way is generally to click on the parent Sound FFT Modifier, and choose to preview the overlay. You can then click on any additional child regions, and fine tune their response on the same overlay.
Parameters
Parameter Details Rect X0
The normalised lower frequency value of the trigger region.
Rect X1
The normalised upper frequency value of the trigger region.
Rect Y0
The normalised lower amplitude value of the trigger region.
Rect Y1
The normalised upper amplitude value of the trigger region.
These properties control the core behaviours of the node.
Parameter Details Current Value
Shows the current value of the effect. Cannot be directly changed.
Blend Amount
The amount to blend the input modifier’s value with it’s new value.
Operation
Determines how the value output form this node will affect it’s target parameter.
- Add : Adds to the parameter value.
- Subtract : Subtracts from the parameter value.
- Multiply : Multiplies the parameter value.
- Replace : Replaces the parameter value.
Scale
Scale the modifier’s output value.
Offset
Offsets the modifier’s output value.
Attack
The attack time of the trigger envelope in seconds.
Decay
The decay time of the trigger envelope in seconds.
Attack Shape Power
Controls the curve of the attack section of the envelope.
Decay Shape Power
Controls the decay of the attack section of the envelope.
Modifier Values
Read only graph to show the output of the modifier.
Inputs
| Parameter | Details |
|---|---|
| Rect X0 | The normalised lower frequency value of the trigger region. |
| Rect X1 | The normalised upper frequency value of the trigger region. |
| Rect Y0 | The normalised lower amplitude value of the trigger region. |
| Rect Y1 | The normalised upper amplitude value of the trigger region. |
These properties control the core behaviours of the node.
| Parameter | Details |
|---|---|
| Current Value | Shows the current value of the effect. Cannot be directly changed. |
| Blend Amount | The amount to blend the input modifier’s value with it’s new value. |
| Operation |
Determines how the value output form this node will affect it’s target parameter.
|
| Scale | Scale the modifier’s output value. |
| Offset | Offsets the modifier’s output value. |
| Attack | The attack time of the trigger envelope in seconds. |
| Decay | The decay time of the trigger envelope in seconds. |
| Attack Shape Power | Controls the curve of the attack section of the envelope. |
| Decay Shape Power | Controls the decay of the attack section of the envelope. |
| Modifier Values | Read only graph to show the output of the modifier. |
| Name | Description | Typical Input |
|---|---|---|
| Blend Amount | TBC | TBC |