preprocessing.json

{
  "recipe": "mapa-v0.1.0",
  "sample_rate_hz": 2048,
  "frame_rate_hz": 32,
  "resample": "scipy.signal.resample_poly; default Kaiser window; input/output float32",
  "model_reference": "mean of surviving selected contacts per shaft, before model filters",
  "model_notches_hz": [
    60,
    120,
    180,
    240,
    300
  ],
  "highpass_hz": 0.5,
  "filter": "MNE default FIR; zero phase; reflect_limited padding",
  "contact_exclusions": "supplied by caller",
  "artifact_cleaning": "external contact detection and window rejection",
  "model_input_clip_z": [
    15.0,
    15.0,
    20.0
  ],
  "bands": [
    {
      "name": "slow",
      "n_fft": 1024,
      "hop": 64,
      "bins_inclusive": [
        1,
        7
      ]
    },
    {
      "name": "mid",
      "n_fft": 256,
      "hop": 64,
      "bins_inclusive": [
        2,
        7
      ]
    },
    {
      "name": "fast",
      "n_fft": 128,
      "hop": 64,
      "bins_inclusive": [
        4,
        10
      ]
    }
  ],
  "stft": {
    "window": "periodic Hann",
    "center": true,
    "padding": "reflect",
    "normalized": false,
    "representation": "magnitude; no log"
  },
  "normalization": {
    "fit": "entire session, separately per contact and frequency bin",
    "median": "torch lower median",
    "mad_scale": 1.4826,
    "sigma_floor": 1e-06,
    "constant_bins": "zero"
  },
  "window_start": "round(seconds * 32), ties to even",
  "voltage_scaling": "none"
}