{
  "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": 0.7243055555555555,
    "balanced_accuracy": 0.7180989583333333,
    "macro_f1": 0.7181348064712723,
    "accuracy_actor_bootstrap_95ci": [
      0.6743055555555556,
      0.77015625
    ],
    "predicted_neutral_share": 0.07013888888888889,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.84375,
        "precision": 0.8481675392670157
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.7291666666666666,
        "precision": 0.7446808510638298
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.7552083333333334,
        "precision": 0.8238636363636364
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.7604166666666666,
        "precision": 0.7373737373737373
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.65625,
        "precision": 0.6631578947368421
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.625,
        "precision": 0.594059405940594
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.5833333333333334,
        "precision": 0.5517241379310345
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.7916666666666666,
        "precision": 0.7875647668393783
      }
    ],
    "confusion": {
      "angry": {
        "angry": 162,
        "calm": 1,
        "disgust": 9,
        "fearful": 3,
        "happy": 6,
        "neutral": 3,
        "sad": 2,
        "surprised": 6
      },
      "calm": {
        "angry": 1,
        "calm": 140,
        "disgust": 4,
        "fearful": 3,
        "happy": 2,
        "neutral": 10,
        "sad": 30,
        "surprised": 2
      },
      "disgust": {
        "angry": 11,
        "calm": 2,
        "disgust": 145,
        "fearful": 11,
        "happy": 7,
        "neutral": 1,
        "sad": 12,
        "surprised": 3
      },
      "fearful": {
        "angry": 6,
        "calm": 2,
        "disgust": 4,
        "fearful": 146,
        "happy": 6,
        "neutral": 2,
        "sad": 19,
        "surprised": 7
      },
      "happy": {
        "angry": 11,
        "calm": 4,
        "disgust": 5,
        "fearful": 3,
        "happy": 126,
        "neutral": 11,
        "sad": 9,
        "surprised": 23
      },
      "neutral": {
        "angry": 0,
        "calm": 10,
        "disgust": 0,
        "fearful": 0,
        "happy": 9,
        "neutral": 60,
        "sad": 17,
        "surprised": 0
      },
      "sad": {
        "angry": 0,
        "calm": 28,
        "disgust": 3,
        "fearful": 24,
        "happy": 13,
        "neutral": 12,
        "sad": 112,
        "surprised": 0
      },
      "surprised": {
        "angry": 0,
        "calm": 1,
        "disgust": 6,
        "fearful": 8,
        "happy": 21,
        "neutral": 2,
        "sad": 2,
        "surprised": 152
      }
    }
  },
  "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": 0.5543859649122806
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6482456140350877
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6412280701754386
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6815789473684211
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6815789473684211
      },
      "outer_accuracy": 0.78
    },
    {
      "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": 0.5684210526315789
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6684210526315789
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6649122807017543
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7078947368421052
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7078947368421052
      },
      "outer_accuracy": 0.76
    },
    {
      "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": 0.6824561403508772
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6675438596491228
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7070175438596491
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7070175438596491
      },
      "outer_accuracy": 0.66
    },
    {
      "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": 0.5692982456140351
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.656140350877193
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6464912280701754
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.7008771929824561
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.7008771929824561
      },
      "outer_accuracy": 0.7366666666666667
    },
    {
      "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": 0.5566666666666666
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.685
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.68
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.71
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.71
      },
      "outer_accuracy": 0.675
    }
  ]
}