{
  "dataset_cases": 14,
  "speakers": 1,
  "excerpts": 2,
  "calibration_clip": "power",
  "held_out_clip": "beliefs",
  "unmodified_or_global_gain_controls": 4,
  "control_false_positive_cases": 0,
  "moderate_and_severe_volume_mean_iou": 0.975,
  "pause_mean_iou": 0.815,
  "rushed_detected_cases": 2,
  "near_perfect_below_threshold_cases": 2,
  "limitations": [
    "Two excerpts of one speaker; this is not cross-speaker validation.",
    "Exact labels describe injected changes. Baseline word boundaries are machine-estimated, not manually verified.",
    "Near-perfect 5 dB edits are deliberately below the 7 dB energy threshold and are not detected.",
    "Pause localization can include adjacent natural silence.",
    "Scores express reference similarity, not subjective or competitive performance quality."
  ],
  "cases": [
    {
      "case": "power-unchanged",
      "split": "calibration",
      "score": 100.0,
      "gold_region_count": 0,
      "detected_region_count": 0,
      "region_iou": [],
      "transcript_coverage": 1.0
    },
    {
      "case": "power-global-gain-control",
      "split": "calibration",
      "score": 100.0,
      "gold_region_count": 0,
      "detected_region_count": 0,
      "region_iou": [],
      "transcript_coverage": 1.0
    },
    {
      "case": "power-near-perfect",
      "split": "calibration",
      "score": 100.0,
      "gold_region_count": 1,
      "detected_region_count": 0,
      "region_iou": [
        0
      ],
      "transcript_coverage": 1.0
    },
    {
      "case": "power-moderate-volume",
      "split": "calibration",
      "score": 76.0,
      "gold_region_count": 1,
      "detected_region_count": 1,
      "region_iou": [
        0.9
      ],
      "transcript_coverage": 1.0
    },
    {
      "case": "power-severe-volume",
      "split": "calibration",
      "score": 60.0,
      "gold_region_count": 1,
      "detected_region_count": 1,
      "region_iou": [
        1.0
      ],
      "transcript_coverage": 0.864
    },
    {
      "case": "power-extra-pause",
      "split": "calibration",
      "score": 38.5,
      "gold_region_count": 1,
      "detected_region_count": 2,
      "region_iou": [
        0.629
      ],
      "transcript_coverage": 1.0
    },
    {
      "case": "power-rushed",
      "split": "calibration",
      "score": 60.0,
      "gold_region_count": 1,
      "detected_region_count": 1,
      "region_iou": [
        0.974
      ],
      "transcript_coverage": 0.909
    },
    {
      "case": "beliefs-unchanged",
      "split": "held-out excerpt",
      "score": 100.0,
      "gold_region_count": 0,
      "detected_region_count": 0,
      "region_iou": [],
      "transcript_coverage": 1.0
    },
    {
      "case": "beliefs-global-gain-control",
      "split": "held-out excerpt",
      "score": 100.0,
      "gold_region_count": 0,
      "detected_region_count": 0,
      "region_iou": [],
      "transcript_coverage": 1.0
    },
    {
      "case": "beliefs-near-perfect",
      "split": "held-out excerpt",
      "score": 100.0,
      "gold_region_count": 1,
      "detected_region_count": 0,
      "region_iou": [
        0
      ],
      "transcript_coverage": 1.0
    },
    {
      "case": "beliefs-moderate-volume",
      "split": "held-out excerpt",
      "score": 70.4,
      "gold_region_count": 1,
      "detected_region_count": 1,
      "region_iou": [
        1.0
      ],
      "transcript_coverage": 0.944
    },
    {
      "case": "beliefs-severe-volume",
      "split": "held-out excerpt",
      "score": 60.0,
      "gold_region_count": 1,
      "detected_region_count": 1,
      "region_iou": [
        1.0
      ],
      "transcript_coverage": 0.944
    },
    {
      "case": "beliefs-extra-pause",
      "split": "held-out excerpt",
      "score": 43.8,
      "gold_region_count": 1,
      "detected_region_count": 2,
      "region_iou": [
        1.0
      ],
      "transcript_coverage": 1.0
    },
    {
      "case": "beliefs-rushed",
      "split": "held-out excerpt",
      "score": 60.0,
      "gold_region_count": 1,
      "detected_region_count": 1,
      "region_iou": [
        0.918
      ],
      "transcript_coverage": 1.0
    }
  ]
}