{
  "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": 0.7361111111111112,
    "balanced_accuracy": 0.7311197916666667,
    "macro_f1": 0.7306925484887126,
    "accuracy_actor_bootstrap_95ci": [
      0.6916666666666667,
      0.7819618055555555
    ],
    "predicted_neutral_share": 0.06944444444444445,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.7916666666666666,
        "precision": 0.8351648351648352
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.7135416666666666,
        "precision": 0.7740112994350282
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.84375,
        "precision": 0.7864077669902912
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.7708333333333334,
        "precision": 0.7474747474747475
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.6822916666666666,
        "precision": 0.6683673469387755
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.65625,
        "precision": 0.63
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.6041666666666666,
        "precision": 0.5918367346938775
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.7864583333333334,
        "precision": 0.8162162162162162
      }
    ],
    "confusion": {
      "angry": {
        "angry": 152,
        "calm": 1,
        "disgust": 17,
        "fearful": 2,
        "happy": 12,
        "neutral": 0,
        "sad": 1,
        "surprised": 7
      },
      "calm": {
        "angry": 0,
        "calm": 137,
        "disgust": 8,
        "fearful": 3,
        "happy": 4,
        "neutral": 15,
        "sad": 25,
        "surprised": 0
      },
      "disgust": {
        "angry": 10,
        "calm": 2,
        "disgust": 162,
        "fearful": 4,
        "happy": 4,
        "neutral": 1,
        "sad": 7,
        "surprised": 2
      },
      "fearful": {
        "angry": 8,
        "calm": 1,
        "disgust": 4,
        "fearful": 148,
        "happy": 4,
        "neutral": 1,
        "sad": 22,
        "surprised": 4
      },
      "happy": {
        "angry": 11,
        "calm": 1,
        "disgust": 4,
        "fearful": 6,
        "happy": 131,
        "neutral": 9,
        "sad": 9,
        "surprised": 21
      },
      "neutral": {
        "angry": 0,
        "calm": 8,
        "disgust": 0,
        "fearful": 0,
        "happy": 10,
        "neutral": 63,
        "sad": 15,
        "surprised": 0
      },
      "sad": {
        "angry": 1,
        "calm": 25,
        "disgust": 4,
        "fearful": 28,
        "happy": 8,
        "neutral": 10,
        "sad": 116,
        "surprised": 0
      },
      "surprised": {
        "angry": 0,
        "calm": 2,
        "disgust": 7,
        "fearful": 7,
        "happy": 23,
        "neutral": 1,
        "sad": 1,
        "surprised": 151
      }
    }
  },
  "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": 0.5640350877192982
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6745614035087719
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6701754385964912
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6894736842105263
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6894736842105263
      },
      "outer_accuracy": 0.7766666666666666
    },
    {
      "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": 0.5833333333333334
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6824561403508772
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6719298245614035
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.724561403508772
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.724561403508772
      },
      "outer_accuracy": 0.7566666666666667
    },
    {
      "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": 0.5947368421052631
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6956140350877194
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6885964912280702
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7087719298245614
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7087719298245614
      },
      "outer_accuracy": 0.6966666666666667
    },
    {
      "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": 0.5859649122807018
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6710526315789473
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6692982456140351
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7105263157894737
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7105263157894737
      },
      "outer_accuracy": 0.72
    },
    {
      "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": 0.59
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6833333333333333
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6775
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7141666666666666
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7141666666666666
      },
      "outer_accuracy": 0.7291666666666666
    }
  ]
}