{
  "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": 0.7333333333333333,
    "balanced_accuracy": 0.72265625,
    "macro_f1": 0.7241199001202167,
    "accuracy_actor_bootstrap_95ci": [
      0.6854166666666667,
      0.7784722222222222
    ],
    "predicted_neutral_share": 0.06388888888888888,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.8385416666666666,
        "precision": 0.8385416666666666
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.7239583333333334,
        "precision": 0.7595628415300546
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.796875,
        "precision": 0.827027027027027
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.7760416666666666,
        "precision": 0.764102564102564
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.6458333333333334,
        "precision": 0.6358974358974359
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.5625,
        "precision": 0.5869565217391305
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.6510416666666666,
        "precision": 0.5980861244019139
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.7864583333333334,
        "precision": 0.798941798941799
      }
    ],
    "confusion": {
      "angry": {
        "angry": 161,
        "calm": 1,
        "disgust": 11,
        "fearful": 4,
        "happy": 6,
        "neutral": 1,
        "sad": 0,
        "surprised": 8
      },
      "calm": {
        "angry": 1,
        "calm": 139,
        "disgust": 5,
        "fearful": 2,
        "happy": 3,
        "neutral": 11,
        "sad": 31,
        "surprised": 0
      },
      "disgust": {
        "angry": 10,
        "calm": 2,
        "disgust": 153,
        "fearful": 6,
        "happy": 8,
        "neutral": 0,
        "sad": 12,
        "surprised": 1
      },
      "fearful": {
        "angry": 6,
        "calm": 0,
        "disgust": 5,
        "fearful": 149,
        "happy": 7,
        "neutral": 1,
        "sad": 20,
        "surprised": 4
      },
      "happy": {
        "angry": 12,
        "calm": 2,
        "disgust": 4,
        "fearful": 6,
        "happy": 124,
        "neutral": 13,
        "sad": 7,
        "surprised": 24
      },
      "neutral": {
        "angry": 0,
        "calm": 15,
        "disgust": 0,
        "fearful": 1,
        "happy": 12,
        "neutral": 54,
        "sad": 14,
        "surprised": 0
      },
      "sad": {
        "angry": 0,
        "calm": 22,
        "disgust": 0,
        "fearful": 23,
        "happy": 11,
        "neutral": 10,
        "sad": 125,
        "surprised": 1
      },
      "surprised": {
        "angry": 2,
        "calm": 2,
        "disgust": 7,
        "fearful": 4,
        "happy": 24,
        "neutral": 2,
        "sad": 0,
        "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": 0.5587719298245614
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6631578947368421
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6526315789473685
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7026315789473684
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7026315789473684
      },
      "outer_accuracy": 0.76
    },
    {
      "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": 0.5894736842105263
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6596491228070176
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6535087719298246
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7
      },
      "outer_accuracy": 0.7866666666666666
    },
    {
      "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": 0.5912280701754385
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6833333333333333
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6692982456140351
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7157894736842105
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7157894736842105
      },
      "outer_accuracy": 0.6633333333333333
    },
    {
      "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": 0.5754385964912281
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6578947368421053
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6482456140350877
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6947368421052632
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6947368421052632
      },
      "outer_accuracy": 0.73
    },
    {
      "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": 0.5675
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6858333333333333
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6825
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7258333333333333
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7258333333333333
      },
      "outer_accuracy": 0.725
    }
  ]
}
