Trained and tested prediction model
Model Risks:
Next-chord prediction is way under the 80% top-1 target (best: 50.7%). Root-only accuracy is 58%, so the gap is probably mostly label noise, not model weakness.
Robustness to live timing jitter misses our target with a 29% relative accuracy drop vs. a 10% goal. We are considering ordering simultaneous notes deterministically before tokenizing, and training with more jitter variety.
Piezo Pickups:
Looking for a cheaper alternative to make an affordable product.
Piezo circuitry schematic close to completion.