Spectral descriptors
Real-time audio feature extraction
| Descriptor | Value | Description | |
|---|---|---|---|
| Spectral Centroid | - | Center of mass of spectrum (brightness) | |
| Spectral Spread | - | Bandwidth around the centroid | |
| Spectral Rolloff | - | Frequency below which 85% of energy lies | |
| Spectral Flatness | - | Noise-like (1) vs tonal (0) | |
| Spectral Flux | - | Rate of spectral change | |
| RMS Energy | - | Root mean square amplitude |