{
  "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": 0.7166666666666667,
    "balanced_accuracy": 0.7083333333333333,
    "macro_f1": 0.7076411255945616,
    "accuracy_actor_bootstrap_95ci": [
      0.6770833333333334,
      0.7569618055555555
    ],
    "predicted_neutral_share": 0.06736111111111111,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.828125,
        "precision": 0.803030303030303
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.7395833333333334,
        "precision": 0.7553191489361702
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.765625,
        "precision": 0.765625
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.71875,
        "precision": 0.7040816326530612
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.6302083333333334,
        "precision": 0.6954022988505747
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.5833333333333334,
        "precision": 0.5773195876288659
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.5885416666666666,
        "precision": 0.5794871794871795
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.8125,
        "precision": 0.78
      }
    ],
    "confusion": {
      "angry": {
        "angry": 159,
        "calm": 1,
        "disgust": 17,
        "fearful": 3,
        "happy": 4,
        "neutral": 0,
        "sad": 0,
        "surprised": 8
      },
      "calm": {
        "angry": 1,
        "calm": 142,
        "disgust": 5,
        "fearful": 2,
        "happy": 1,
        "neutral": 14,
        "sad": 25,
        "surprised": 2
      },
      "disgust": {
        "angry": 11,
        "calm": 1,
        "disgust": 147,
        "fearful": 9,
        "happy": 4,
        "neutral": 2,
        "sad": 11,
        "surprised": 7
      },
      "fearful": {
        "angry": 8,
        "calm": 0,
        "disgust": 3,
        "fearful": 138,
        "happy": 11,
        "neutral": 1,
        "sad": 26,
        "surprised": 5
      },
      "happy": {
        "angry": 14,
        "calm": 2,
        "disgust": 6,
        "fearful": 10,
        "happy": 121,
        "neutral": 11,
        "sad": 7,
        "surprised": 21
      },
      "neutral": {
        "angry": 1,
        "calm": 14,
        "disgust": 1,
        "fearful": 2,
        "happy": 9,
        "neutral": 56,
        "sad": 13,
        "surprised": 0
      },
      "sad": {
        "angry": 1,
        "calm": 25,
        "disgust": 5,
        "fearful": 25,
        "happy": 10,
        "neutral": 12,
        "sad": 113,
        "surprised": 1
      },
      "surprised": {
        "angry": 3,
        "calm": 3,
        "disgust": 8,
        "fearful": 7,
        "happy": 14,
        "neutral": 1,
        "sad": 0,
        "surprised": 156
      }
    }
  },
  "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": 0.5447368421052632
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6403508771929824
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6368421052631579
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6684210526315789
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6684210526315789
      },
      "outer_accuracy": 0.7566666666666667
    },
    {
      "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": 0.5578947368421052
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6535087719298246
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6543859649122807
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7070175438596491
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7070175438596491
      },
      "outer_accuracy": 0.74
    },
    {
      "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": 0.5666666666666667
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6552631578947369
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6482456140350877
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6868421052631579
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6868421052631579
      },
      "outer_accuracy": 0.6666666666666666
    },
    {
      "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": 0.5526315789473685
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6342105263157894
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6333333333333333
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6807017543859649
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6807017543859649
      },
      "outer_accuracy": 0.7233333333333334
    },
    {
      "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": 0.5466666666666666
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6508333333333334
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.65
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6883333333333334
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6883333333333334
      },
      "outer_accuracy": 0.6916666666666667
    }
  ]
}