{
  "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": 0.41875,
    "balanced_accuracy": 0.41666666666666663,
    "macro_f1": 0.39738974980117203,
    "accuracy_actor_bootstrap_95ci": [
      0.38331597222222225,
      0.45625
    ],
    "predicted_neutral_share": 0.0798611111111111,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.6145833333333334,
        "precision": 0.5291479820627802
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.6666666666666666,
        "precision": 0.46886446886446886
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.46875,
        "precision": 0.46153846153846156
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.21354166666666666,
        "precision": 0.2808219178082192
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.16666666666666666,
        "precision": 0.256
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.3854166666666667,
        "precision": 0.3217391304347826
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.18229166666666666,
        "precision": 0.24822695035460993
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.6354166666666666,
        "precision": 0.5495495495495496
      }
    ],
    "confusion": {
      "angry": {
        "angry": 118,
        "calm": 10,
        "disgust": 15,
        "fearful": 7,
        "happy": 16,
        "neutral": 0,
        "sad": 8,
        "surprised": 18
      },
      "calm": {
        "angry": 3,
        "calm": 128,
        "disgust": 7,
        "fearful": 7,
        "happy": 6,
        "neutral": 16,
        "sad": 23,
        "surprised": 2
      },
      "disgust": {
        "angry": 17,
        "calm": 20,
        "disgust": 90,
        "fearful": 14,
        "happy": 6,
        "neutral": 3,
        "sad": 26,
        "surprised": 16
      },
      "fearful": {
        "angry": 19,
        "calm": 17,
        "disgust": 21,
        "fearful": 41,
        "happy": 31,
        "neutral": 13,
        "sad": 23,
        "surprised": 27
      },
      "happy": {
        "angry": 38,
        "calm": 9,
        "disgust": 18,
        "fearful": 31,
        "happy": 32,
        "neutral": 23,
        "sad": 13,
        "surprised": 28
      },
      "neutral": {
        "angry": 3,
        "calm": 29,
        "disgust": 2,
        "fearful": 2,
        "happy": 14,
        "neutral": 37,
        "sad": 6,
        "surprised": 3
      },
      "sad": {
        "angry": 9,
        "calm": 57,
        "disgust": 27,
        "fearful": 29,
        "happy": 12,
        "neutral": 17,
        "sad": 35,
        "surprised": 6
      },
      "surprised": {
        "angry": 16,
        "calm": 3,
        "disgust": 15,
        "fearful": 15,
        "happy": 8,
        "neutral": 6,
        "sad": 7,
        "surprised": 122
      }
    }
  },
  "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": 0.3043859649122807
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.34385964912280703
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.34385964912280703
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.3956140350877193
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.3956140350877193
      },
      "outer_accuracy": 0.48
    },
    {
      "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": 0.312280701754386
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.36140350877192984
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.36140350877192984
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.4087719298245614
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.4087719298245614
      },
      "outer_accuracy": 0.45666666666666667
    },
    {
      "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": 0.3236842105263158
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.37719298245614036
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.37280701754385964
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.43333333333333335
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.43333333333333335
      },
      "outer_accuracy": 0.3433333333333333
    },
    {
      "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": 0.31842105263157894
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.3508771929824561
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.34649122807017546
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.4052631578947368
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.4052631578947368
      },
      "outer_accuracy": 0.43
    },
    {
      "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": 0.3
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.3675
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.3566666666666667
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.4091666666666667
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.4091666666666667
      },
      "outer_accuracy": 0.375
    }
  ]
}
