{
  "dataset": "ravdess",
  "parameters": 12872,
  "classes": [
    "angry",
    "calm",
    "disgust",
    "fearful",
    "happy",
    "neutral",
    "sad",
    "surprised"
  ],
  "seed": 20261006,
  "protocol": "192 raw predictions -> training-fold StandardScaler -> 64 GELU -> class logits; five actor-disjoint outer folds; three inner folds select LR/epochs; full-batch AdamW",
  "comparison": "Supervised benchmark adaptation; distinct from paper zero-shot",
  "metrics": {
    "n": 1440,
    "actors": 24,
    "accuracy": 0.6229166666666667,
    "balanced_accuracy": 0.6158854166666666,
    "macro_f1": 0.6130383791980003,
    "accuracy_actor_bootstrap_95ci": [
      0.5826388888888889,
      0.662517361111111
    ],
    "predicted_neutral_share": 0.07222222222222222,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.7708333333333334,
        "precision": 0.7047619047619048
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.7135416666666666,
        "precision": 0.6586538461538461
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.5520833333333334,
        "precision": 0.6424242424242425
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.6354166666666666,
        "precision": 0.6455026455026455
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.5885416666666666,
        "precision": 0.6075268817204301
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.5104166666666666,
        "precision": 0.47115384615384615
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.4270833333333333,
        "precision": 0.44808743169398907
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.7291666666666666,
        "precision": 0.717948717948718
      }
    ],
    "confusion": {
      "angry": {
        "angry": 148,
        "calm": 0,
        "disgust": 20,
        "fearful": 5,
        "happy": 10,
        "neutral": 0,
        "sad": 3,
        "surprised": 6
      },
      "calm": {
        "angry": 0,
        "calm": 137,
        "disgust": 4,
        "fearful": 0,
        "happy": 4,
        "neutral": 19,
        "sad": 28,
        "surprised": 0
      },
      "disgust": {
        "angry": 33,
        "calm": 3,
        "disgust": 106,
        "fearful": 8,
        "happy": 6,
        "neutral": 6,
        "sad": 17,
        "surprised": 13
      },
      "fearful": {
        "angry": 8,
        "calm": 7,
        "disgust": 11,
        "fearful": 122,
        "happy": 12,
        "neutral": 1,
        "sad": 19,
        "surprised": 12
      },
      "happy": {
        "angry": 17,
        "calm": 3,
        "disgust": 4,
        "fearful": 18,
        "happy": 113,
        "neutral": 9,
        "sad": 7,
        "surprised": 21
      },
      "neutral": {
        "angry": 0,
        "calm": 18,
        "disgust": 2,
        "fearful": 1,
        "happy": 5,
        "neutral": 49,
        "sad": 21,
        "surprised": 0
      },
      "sad": {
        "angry": 0,
        "calm": 40,
        "disgust": 11,
        "fearful": 21,
        "happy": 15,
        "neutral": 20,
        "sad": 82,
        "surprised": 3
      },
      "surprised": {
        "angry": 4,
        "calm": 0,
        "disgust": 7,
        "fearful": 14,
        "happy": 21,
        "neutral": 0,
        "sad": 6,
        "surprised": 140
      }
    }
  },
  "folds": [
    {
      "fold": 0,
      "train_clips": 1140,
      "held_clips": 300,
      "train_actors": [
        "01",
        "04",
        "05",
        "06",
        "08",
        "09",
        "10",
        "11",
        "13",
        "14",
        "15",
        "17",
        "18",
        "19",
        "20",
        "21",
        "22",
        "23",
        "24"
      ],
      "held_actors": [
        "02",
        "03",
        "07",
        "12",
        "16"
      ],
      "trials": [
        {
          "lr": 0.001,
          "epochs": 20,
          "inner_accuracy": 0.4570175438596491
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5543859649122806
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5447368421052632
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.5912280701754385
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.5912280701754385
      },
      "outer_accuracy": 0.66
    },
    {
      "fold": 1,
      "train_clips": 1140,
      "held_clips": 300,
      "train_actors": [
        "01",
        "02",
        "03",
        "04",
        "05",
        "07",
        "08",
        "09",
        "10",
        "12",
        "13",
        "15",
        "16",
        "17",
        "18",
        "19",
        "20",
        "21",
        "24"
      ],
      "held_actors": [
        "06",
        "11",
        "14",
        "22",
        "23"
      ],
      "trials": [
        {
          "lr": 0.001,
          "epochs": 20,
          "inner_accuracy": 0.48157894736842105
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5710526315789474
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5570175438596491
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.5877192982456141
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.5877192982456141
      },
      "outer_accuracy": 0.6266666666666667
    },
    {
      "fold": 2,
      "train_clips": 1140,
      "held_clips": 300,
      "train_actors": [
        "01",
        "02",
        "03",
        "05",
        "06",
        "07",
        "08",
        "10",
        "11",
        "12",
        "13",
        "14",
        "16",
        "18",
        "19",
        "20",
        "21",
        "22",
        "23"
      ],
      "held_actors": [
        "04",
        "09",
        "15",
        "17",
        "24"
      ],
      "trials": [
        {
          "lr": 0.001,
          "epochs": 20,
          "inner_accuracy": 0.4789473684210526
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5929824561403508
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5859649122807018
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6359649122807017
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6359649122807017
      },
      "outer_accuracy": 0.5966666666666667
    },
    {
      "fold": 3,
      "train_clips": 1140,
      "held_clips": 300,
      "train_actors": [
        "01",
        "02",
        "03",
        "04",
        "06",
        "07",
        "08",
        "09",
        "11",
        "12",
        "13",
        "14",
        "15",
        "16",
        "17",
        "19",
        "22",
        "23",
        "24"
      ],
      "held_actors": [
        "05",
        "10",
        "18",
        "20",
        "21"
      ],
      "trials": [
        {
          "lr": 0.001,
          "epochs": 20,
          "inner_accuracy": 0.44912280701754387
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.531578947368421
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.519298245614035
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6043859649122807
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6043859649122807
      },
      "outer_accuracy": 0.6466666666666666
    },
    {
      "fold": 4,
      "train_clips": 1200,
      "held_clips": 240,
      "train_actors": [
        "02",
        "03",
        "04",
        "05",
        "06",
        "07",
        "09",
        "10",
        "11",
        "12",
        "14",
        "15",
        "16",
        "17",
        "18",
        "20",
        "21",
        "22",
        "23",
        "24"
      ],
      "held_actors": [
        "01",
        "08",
        "13",
        "19"
      ],
      "trials": [
        {
          "lr": 0.001,
          "epochs": 20,
          "inner_accuracy": 0.465
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5825
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5833333333333334
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6383333333333333
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6383333333333333
      },
      "outer_accuracy": 0.575
    }
  ]
}
