Parametric EQ
Biquad-based parametric equalizer with peak, shelf, and pass filters. Supports multiple filter bands for precise frequency response shaping.
Parameters
Section titled “Parameters”Global Parameters
Section titled “Global Parameters”Global
Section titled “Global”| Parameter | Type | Range | Default | Unit | Description |
|---|---|---|---|---|---|
| Max Filters | Int | 1 .. 20 | 20 | - | Maximum number of EQ bands |
Algorithm
Section titled “Algorithm”| Parameter | Type | Range | Default | Unit | Description |
|---|---|---|---|---|---|
| TDF-II | Bool | On / Off | Off | - | Use Transposed Direct Form II |
| Topology | Choice (Biquad, SVF) | 2 options | Biquad | - | Filter topology: Biquad (classic) or SVF (zero-delay feedback, modulation-stable) |
Per-Band Parameters
Section titled “Per-Band Parameters”These parameters are repeated for each filter band.
| Parameter | Type | Range | Default | Unit | Description |
|---|---|---|---|---|---|
| Frequency | Float | 20 .. 20000 | 1000 | Hz | Filter center/corner frequency |
| Q | Float | 0.1 .. 10 | 1 | - | Filter bandwidth (quality factor) |
| Gain | Float | -24 .. 24 | 0 | dB | Boost or cut amount |
| Type | Choice (Peak, Lowshelf, Highshelf, Lowpass, Highpass, Bandpass, Notch) | 7 options | Peak | - | Biquad filter shape |