{
  "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": 0.6597222222222222,
    "balanced_accuracy": 0.65625,
    "macro_f1": 0.6563266019390828,
    "accuracy_actor_bootstrap_95ci": [
      0.6222222222222222,
      0.6951388888888889
    ],
    "predicted_neutral_share": 0.07291666666666667,
    "per_class": [
      {
        "class": "angry",
        "support": 192,
        "recall": 0.8177083333333334,
        "precision": 0.7772277227722773
      },
      {
        "class": "calm",
        "support": 192,
        "recall": 0.671875,
        "precision": 0.7166666666666667
      },
      {
        "class": "disgust",
        "support": 192,
        "recall": 0.6666666666666666,
        "precision": 0.7664670658682635
      },
      {
        "class": "fearful",
        "support": 192,
        "recall": 0.6458333333333334,
        "precision": 0.6595744680851063
      },
      {
        "class": "happy",
        "support": 192,
        "recall": 0.5625,
        "precision": 0.5482233502538071
      },
      {
        "class": "neutral",
        "support": 96,
        "recall": 0.6041666666666666,
        "precision": 0.5523809523809524
      },
      {
        "class": "sad",
        "support": 192,
        "recall": 0.546875,
        "precision": 0.4883720930232558
      },
      {
        "class": "surprised",
        "support": 192,
        "recall": 0.734375,
        "precision": 0.7580645161290323
      }
    ],
    "confusion": {
      "angry": {
        "angry": 157,
        "calm": 1,
        "disgust": 10,
        "fearful": 2,
        "happy": 8,
        "neutral": 4,
        "sad": 0,
        "surprised": 10
      },
      "calm": {
        "angry": 0,
        "calm": 129,
        "disgust": 7,
        "fearful": 4,
        "happy": 5,
        "neutral": 16,
        "sad": 30,
        "surprised": 1
      },
      "disgust": {
        "angry": 19,
        "calm": 3,
        "disgust": 128,
        "fearful": 11,
        "happy": 3,
        "neutral": 5,
        "sad": 17,
        "surprised": 6
      },
      "fearful": {
        "angry": 7,
        "calm": 3,
        "disgust": 1,
        "fearful": 124,
        "happy": 23,
        "neutral": 1,
        "sad": 27,
        "surprised": 6
      },
      "happy": {
        "angry": 13,
        "calm": 2,
        "disgust": 4,
        "fearful": 18,
        "happy": 108,
        "neutral": 11,
        "sad": 14,
        "surprised": 22
      },
      "neutral": {
        "angry": 2,
        "calm": 10,
        "disgust": 1,
        "fearful": 1,
        "happy": 6,
        "neutral": 58,
        "sad": 18,
        "surprised": 0
      },
      "sad": {
        "angry": 2,
        "calm": 30,
        "disgust": 7,
        "fearful": 18,
        "happy": 20,
        "neutral": 10,
        "sad": 105,
        "surprised": 0
      },
      "surprised": {
        "angry": 2,
        "calm": 2,
        "disgust": 9,
        "fearful": 10,
        "happy": 24,
        "neutral": 0,
        "sad": 4,
        "surprised": 141
      }
    }
  },
  "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": 0.4780701754385965
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5736842105263158
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5754385964912281
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6026315789473684
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6026315789473684
      },
      "outer_accuracy": 0.6966666666666667
    },
    {
      "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": 0.48333333333333334
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5710526315789474
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5666666666666667
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6052631578947368
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6052631578947368
      },
      "outer_accuracy": 0.7133333333333334
    },
    {
      "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": 0.512280701754386
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6236842105263158
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6175438596491228
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6631578947368421
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6631578947368421
      },
      "outer_accuracy": 0.57
    },
    {
      "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": 0.49298245614035086
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.5719298245614035
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.5710526315789474
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.5894736842105263
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.5894736842105263
      },
      "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": 0.4841666666666667
        },
        {
          "lr": 0.001,
          "epochs": 50,
          "inner_accuracy": 0.6133333333333333
        },
        {
          "lr": 0.003,
          "epochs": 20,
          "inner_accuracy": 0.6066666666666667
        },
        {
          "lr": 0.003,
          "epochs": 50,
          "inner_accuracy": 0.6566666666666666
        }
      ],
      "selected": {
        "lr": 0.003,
        "epochs": 50,
        "inner_accuracy": 0.6566666666666666
      },
      "outer_accuracy": 0.6208333333333333
    }
  ]
}
