{
  "schema_version": "RIFF-L2-MODEL-PACKAGE-V1",
  "model_version": "riff-level2-efficientat-eval-v2",
  "deployment_class": "public-beta",
  "distribution_allowed": true,
  "input": {
    "name": "serving_default_args_0",
    "shape": [
      3,
      1000,
      64,
      1
    ],
    "dtype": "float32",
    "layout": "NHWC"
  },
  "outputs": {
    "value": {
      "shape": [
        3,
        3
      ]
    },
    "log_variance": {
      "shape": [
        3,
        3
      ]
    },
    "genre_logits": {
      "shape": [
        3,
        87
      ]
    }
  },
  "feature_order": [
    "pte",
    "arousal",
    "valence"
  ],
  "member_seeds": [
    20260906,
    20260907,
    20260908
  ],
  "genre_ids": [
    -100086,
    -100085,
    -100084,
    -100083,
    -100082,
    -100081,
    -100080,
    -100079,
    -100078,
    -100077,
    -100076,
    -100075,
    -100074,
    -100073,
    -100072,
    -100071,
    -100070,
    -100069,
    -100068,
    -100067,
    -100066,
    -100065,
    -100064,
    -100063,
    -100062,
    -100061,
    -100060,
    -100059,
    -100058,
    -100057,
    -100056,
    -100055,
    -100054,
    -100053,
    -100052,
    -100051,
    -100050,
    -100049,
    -100048,
    -100047,
    -100046,
    -100045,
    -100044,
    -100043,
    -100042,
    -100041,
    -100040,
    -100039,
    -100038,
    -100037,
    -100036,
    -100035,
    -100034,
    -100033,
    -100032,
    -100031,
    -100030,
    -100029,
    -100028,
    -100027,
    -100026,
    -100025,
    -100024,
    -100023,
    -100022,
    -100021,
    -100020,
    -100019,
    -100018,
    -100017,
    -100016,
    -100015,
    -100014,
    -100013,
    -100012,
    -100011,
    -100010,
    -100009,
    -100008,
    -100007,
    -100006,
    -100005,
    -100004,
    -100003,
    -100002,
    -100001,
    -100000
  ],
  "log_variance_bounds": [
    -8.0,
    2.0
  ],
  "preprocessing": {
    "sample_rate": 32000,
    "excerpt_seconds": 10,
    "positions": [
      0.25,
      0.5,
      0.75
    ],
    "fft_size": 1024,
    "hop_size": 320,
    "window_size": 800,
    "mel_bins": 64,
    "fmin_hz": 0,
    "fmax_hz": 15000,
    "preemphasis": "y[n] = x[n+1] - 0.97*x[n]",
    "window": "hann-symmetric-periodic-false",
    "center": true,
    "pad_mode": "reflect",
    "power": 2.0,
    "mel_filterbank": "torchaudio.compliance.kaldi.get_mel_banks",
    "vtln_low": 100.0,
    "vtln_high": -500.0,
    "vtln_warp_factor": 1.0,
    "log": "natural_log(mel_power + 1e-5)",
    "normalization": "(log_mel + 4.5) / 5.0"
  },
  "backbone": {
    "name": "EfficientAT mn10_as_mels_64",
    "source_revision": "a425fdce92572e602a1d5634799bd9f1f2efa806",
    "embedding_dim": 960,
    "aggregation": "adaptive_avg_pool_2d then mean over three excerpts"
  },
  "backbone_checkpoint_sha256": "50d004a4d0bb2dc7bad63a9196b6117f4a3df528b3e8ffd7ec4350cf4a9fbf5c",
  "converter": {
    "python": "3.10.21",
    "torch": "2.13.0+cpu",
    "litert_torch": "0.9.4"
  },
  "tflite_outputs": [
    {
      "index": 500,
      "name": "serving_default_output_0_output",
      "shape": [
        3,
        3
      ]
    },
    {
      "index": 502,
      "name": "serving_default_output_1_output",
      "shape": [
        3,
        3
      ]
    },
    {
      "index": 498,
      "name": "serving_default_output_2_output",
      "shape": [
        3,
        87
      ]
    }
  ],
  "parity_max_abs_error": {
    "value": 2.092123031616211e-05,
    "log_variance": 0.00020933151245117188,
    "genre_logits": 0.00016355514526367188
  },
  "known_deviations": [
    "research-derived MTG-Jamendo and Essentia teacher supervision is disclosed for this public beta",
    "first uncertainty/genre ensemble training pass; production quality gates remain open",
    "training audio hashes are not yet populated in RIFF-L2-SIDECAR-V1"
  ]
}