registry.json

{
  "_doc": "Sonora model-registry manifest: artifacts with track, lineage (warm-start parent), and current flags. Directory names are descriptive and stable; ordering/lineage lives here.",
  "updated": "2026-07-22",
  "artifacts": {
    "baseline-ljspeech-22k": {
      "track": "acoustic-22k",
      "training_pass": "Phase 0",
      "warm_start_parent": "upstream matcha ljspeech checkpoint",
      "sample_rate": 22050,
      "speakers": 1,
      "published": "2026-07-12",
      "current": false,
      "renamed_from": "v1-ljspeech (2026-07-22)"
    },
    "vocoder-24k-hifigan": {
      "track": "vocoder-24k",
      "training_pass": "24k trunk - vocoder",
      "warm_start_parent": "UNIVERSAL_V1 @ step 2,500,000",
      "sample_rate": 24000,
      "published": "2026-07-16",
      "current": true
    },
    "derisk-energy-24k": {
      "track": "acoustic-24k",
      "training_pass": "Expressive de-risk (north-star \u00a77)",
      "warm_start_parent": "upstream matcha multi-speaker VCTK checkpoint (FiLM zero-init)",
      "sample_rate": 24000,
      "speakers": 247,
      "published": "2026-07-16",
      "current": true
    },
    "vat3-24k": {
      "track": "acoustic-24k",
      "training_pass": "Full 3-channel VAT (milestone 3)",
      "warm_start_parent": "derisk-energy-24k",
      "sample_rate": 24000,
      "speakers": 247,
      "published": "2026-07-22",
      "current": false,
      "verdict": "mixed: energy PASS, tension near-pass, valence FAIL (corpus labels, not training) - warm-start seed for the v1.1 continuation"
    }
  },
  "tracks": {
    "acoustic-22k": {
      "status": "closed",
      "note": "Phase-0 proving lane; superseded by acoustic-24k"
    },
    "acoustic-24k": {
      "status": "active",
      "next": "v1.1 continuation from vat3-24k (story-driven valence corpus: LibriVox quote mining + directed teacher synthesis)"
    },
    "vocoder-24k": {
      "status": "active"
    }
  }
}