{
  "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": 0.5326388888888889,
    "balanced_accuracy": 0.5240885416666666,
    "macro_f1": 0.5250015429426353,
    "accuracy_actor_bootstrap_95ci": [
      0.49930555555555556,
      0.5659722222222222
    ],
    "predicted_neutral_share": 0.06805555555555555,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.6822916666666666,
        "precision": 0.7277777777777777
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.59375,
        "precision": 0.5277777777777778
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.5416666666666666,
        "precision": 0.5977011494252874
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.546875,
        "precision": 0.5172413793103449
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.4270833333333333,
        "precision": 0.4385026737967914
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.3958333333333333,
        "precision": 0.3877551020408163
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.3854166666666667,
        "precision": 0.37373737373737376
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.6197916666666666,
        "precision": 0.6467391304347826
      }
    ],
    "confusion": {
      "angry": {
        "angry": 131,
        "calm": 3,
        "disgust": 21,
        "fearful": 9,
        "happy": 16,
        "neutral": 1,
        "sad": 0,
        "surprised": 11
      },
      "calm": {
        "angry": 0,
        "calm": 114,
        "disgust": 10,
        "fearful": 4,
        "happy": 10,
        "neutral": 19,
        "sad": 35,
        "surprised": 0
      },
      "disgust": {
        "angry": 14,
        "calm": 21,
        "disgust": 104,
        "fearful": 13,
        "happy": 6,
        "neutral": 4,
        "sad": 21,
        "surprised": 9
      },
      "fearful": {
        "angry": 6,
        "calm": 10,
        "disgust": 10,
        "fearful": 105,
        "happy": 21,
        "neutral": 1,
        "sad": 27,
        "surprised": 12
      },
      "happy": {
        "angry": 17,
        "calm": 3,
        "disgust": 10,
        "fearful": 28,
        "happy": 82,
        "neutral": 11,
        "sad": 16,
        "surprised": 25
      },
      "neutral": {
        "angry": 0,
        "calm": 16,
        "disgust": 1,
        "fearful": 1,
        "happy": 13,
        "neutral": 38,
        "sad": 21,
        "surprised": 6
      },
      "sad": {
        "angry": 1,
        "calm": 42,
        "disgust": 8,
        "fearful": 29,
        "happy": 17,
        "neutral": 19,
        "sad": 74,
        "surprised": 2
      },
      "surprised": {
        "angry": 11,
        "calm": 7,
        "disgust": 10,
        "fearful": 14,
        "happy": 22,
        "neutral": 5,
        "sad": 4,
        "surprised": 119
      }
    }
  },
  "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": 0.43508771929824563
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.4903508771929825
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.4824561403508772
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.49912280701754386
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.49912280701754386
      },
      "outer_accuracy": 0.59
    },
    {
      "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": 0.4473684210526316
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5026315789473684
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5043859649122807
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.5359649122807018
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.5359649122807018
      },
      "outer_accuracy": 0.5366666666666666
    },
    {
      "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": 0.4631578947368421
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5263157894736842
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5298245614035088
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.5491228070175439
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.5491228070175439
      },
      "outer_accuracy": 0.4633333333333333
    },
    {
      "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": 0.45
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5131578947368421
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.519298245614035
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.519298245614035
      },
      "outer_accuracy": 0.5566666666666666
    },
    {
      "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": 0.46166666666666667
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5283333333333333
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.52
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.5241666666666667
        }
      ],
      "selected": {
        "lr": 0.001,
        "epochs": 50,
        "inner_accuracy": 0.5283333333333333
      },
      "outer_accuracy": 0.5125
    }
  ]
}
