Acoustic DSP & Physics Overview
Sonon's acoustic DSP kernel spans 30 research monographs detailing classical acoustic physics, bio-inspired cochlea mechanics, and flight vehicle noise rejection:
| Phase | Subsystem | Mathematical Foundation | Target Capability |
|---|---|---|---|
| 01-04 | Feature Extraction | STFT, Hann/Blackman, Mel DCT-II | Real-time MFCC feature extraction |
| 05-07 | Few-Shot DTW | Sakoe-Chiba corridor, DBA barycenter | 1-2 exemplar voice enrollment |
| 08-10 | Rotor Notch Bank | Biquad Direct Form II Transposed | Dynamic BPF motor whine suppression |
| 11-13 | Spatial Beamforming | GCC-PHAT TDoA, Delay-and-Sum | Direction of Arrival (DoA) steering |
| 14-16 | Adaptive AEC & Speech | NLMS FIR + Geigel DTD, Klatt + LF | Double-talk cancel & formant synthesis |
| 17-18 | CWT Health Diagnostics | Complex Morlet wavelet scalograms | Rotor blade fatigue & bearing wear |
| 19-21 | Neuromorphic Silicon Cochlea | Gammatone filterbanks + LIF spikes | Spike-timing dependent phrase spotting |
| 22-25 | Aeroacoustics & Biosonar | Corcos TBL noise, FW-H, CA-CFAR | Airspeed inversion & 3D echolocation |