{
  "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": 0.6638888888888889,
    "balanced_accuracy": 0.6588541666666666,
    "macro_f1": 0.6590590593444845,
    "accuracy_actor_bootstrap_95ci": [
      0.6215104166666667,
      0.7055555555555556
    ],
    "predicted_neutral_share": 0.075,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.8229166666666666,
        "precision": 0.8102564102564103
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.6770833333333334,
        "precision": 0.7142857142857143
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.6666666666666666,
        "precision": 0.7664670658682635
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.6927083333333334,
        "precision": 0.6456310679611651
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.6145833333333334,
        "precision": 0.6020408163265306
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.5833333333333334,
        "precision": 0.5185185185185185
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.5104166666666666,
        "precision": 0.46445497630331756
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.703125,
        "precision": 0.7714285714285715
      }
    ],
    "confusion": {
      "angry": {
        "angry": 158,
        "calm": 0,
        "disgust": 11,
        "fearful": 3,
        "happy": 9,
        "neutral": 2,
        "sad": 2,
        "surprised": 7
      },
      "calm": {
        "angry": 0,
        "calm": 130,
        "disgust": 3,
        "fearful": 0,
        "happy": 4,
        "neutral": 17,
        "sad": 38,
        "surprised": 0
      },
      "disgust": {
        "angry": 16,
        "calm": 2,
        "disgust": 128,
        "fearful": 6,
        "happy": 7,
        "neutral": 4,
        "sad": 20,
        "surprised": 9
      },
      "fearful": {
        "angry": 6,
        "calm": 5,
        "disgust": 6,
        "fearful": 133,
        "happy": 9,
        "neutral": 1,
        "sad": 26,
        "surprised": 6
      },
      "happy": {
        "angry": 13,
        "calm": 5,
        "disgust": 6,
        "fearful": 19,
        "happy": 118,
        "neutral": 9,
        "sad": 5,
        "surprised": 17
      },
      "neutral": {
        "angry": 0,
        "calm": 10,
        "disgust": 1,
        "fearful": 0,
        "happy": 11,
        "neutral": 56,
        "sad": 17,
        "surprised": 1
      },
      "sad": {
        "angry": 1,
        "calm": 27,
        "disgust": 8,
        "fearful": 28,
        "happy": 12,
        "neutral": 18,
        "sad": 98,
        "surprised": 0
      },
      "surprised": {
        "angry": 1,
        "calm": 3,
        "disgust": 4,
        "fearful": 17,
        "happy": 26,
        "neutral": 1,
        "sad": 5,
        "surprised": 135
      }
    }
  },
  "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": 0.4842105263157895
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5894736842105263
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5885964912280702
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6149122807017544
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6149122807017544
      },
      "outer_accuracy": 0.7233333333333334
    },
    {
      "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": 0.5008771929824561
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6052631578947368
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5982456140350877
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6464912280701754
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6464912280701754
      },
      "outer_accuracy": 0.7166666666666667
    },
    {
      "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": 0.49122807017543857
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6403508771929824
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.631578947368421
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6807017543859649
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6807017543859649
      },
      "outer_accuracy": 0.5633333333333334
    },
    {
      "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": 0.5052631578947369
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5982456140350877
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5956140350877193
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6368421052631579
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6368421052631579
      },
      "outer_accuracy": 0.69
    },
    {
      "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": 0.4875
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6066666666666667
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6066666666666667
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6633333333333333
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6633333333333333
      },
      "outer_accuracy": 0.6166666666666667
    }
  ]
}
