Perceptual Noise Diffusion
Perceptual noise diffusion (PND) for improving perceived audio quality through controlled noise shaping.
Parameters
Section titled “Parameters”General
Section titled “General”| Parameter | Type | Range | Default | Unit | Description |
|---|---|---|---|---|---|
| Correction | Float | 0 .. 2 | 1 | - | Pitch correction strength |
| Analysis Window | Float | 20 .. 500 | 100 | ms | FFT analysis window size |
| Drift Smoothing | Float | 0.001 .. 1 | 0.1 | - | Pitch drift low-pass smoothing |
Analysis
Section titled “Analysis”| Parameter | Type | Range | Default | Unit | Description |
|---|---|---|---|---|---|
| Multi-Channel | Bool | On / Off | On | - | Analyze all channels together |
Correction
Section titled “Correction”| Parameter | Type | Range | Default | Unit | Description |
|---|---|---|---|---|---|
| Confidence Threshold | Float | 0 .. 1 | 0.5 | - | Min detection confidence to apply |
| Phase Vocoder | Bool | On / Off | Off | - | Use phase vocoder for correction |