{
  "songs": [
    {
      "input": "/tmp/music-pipeline/batch-ni/01_你，好不好？_20260325/suno_raw_0.mp3",
      "output": "/tmp/music-pipeline/batch-ni/01_你，好不好？_20260325/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.7,
        "peak": -0.30000001192092896,
        "rms": -17.100000381469727,
        "crest": 16.799999237060547,
        "width": 11.199999809265137,
        "low_pct": 35.400001525878906,
        "mid_pct": 62.0,
        "high_pct": 2.5,
        "centroid": 800.0,
        "bands": {
          "sub": 6.5,
          "bass": 29.0,
          "low_mid": 43.900001525878906,
          "mid": 18.100000381469727,
          "high_mid": 1.399999976158142,
          "air": 1.100000023841858
        }
      },
      "after": {
        "lufs": -12.0,
        "peak": 0.0,
        "rms": -15.399999618530273,
        "crest": 15.399999618530273,
        "width": 10.100000381469727,
        "low_pct": 32.400001525878906,
        "mid_pct": 64.9000015258789,
        "high_pct": 2.700000047683716,
        "centroid": 861.0,
        "bands": {
          "sub": 5.599999904632568,
          "bass": 26.799999237060547,
          "low_mid": 45.0,
          "mid": 19.899999618530273,
          "high_mid": 1.600000023841858,
          "air": 1.2000000476837158
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 1000,
        "mid_snap_db": 0.5,
        "mid_snap_q": 0.5,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.15,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 1.5,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.5,
        "comp_threshold_db": -10.0,
        "comp_ratio": 1.8,
        "comp_attack_ms": 20,
        "comp_release_ms": 150,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_global_low": 35.400001525878906,
        "_global_mid": 62.0,
        "_global_high": 2.5
      },
      "reasons": [
        "低频35%正常，保持基准",
        "高频2%极度暗淡，空气感+1.5dB",
        "中频62%偏高，观察",
        "宽度11.2%正常，保持基准",
        "Crest 16.8dB正常，保持压缩阈值-10dB",
        "🎵 风格: pop (low, via audio) — 流行：低中均衡，中等压缩 (ref: 愿与愁)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 1773.0,
        "onset_density": 2.8,
        "low_energy": 30.899999618530273
      }
    },
    {
      "input": "/tmp/music-pipeline/batch-ni/01_你，好不好？_20260325/suno_raw_1.mp3",
      "output": "/tmp/music-pipeline/batch-ni/01_你，好不好？_20260325/suno_mixed_1.mp3",
      "before": {
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        "peak": -1.2999999523162842,
        "rms": -16.5,
        "crest": 15.199999809265137,
        "width": 5.099999904632568,
        "low_pct": 31.399999618530273,
        "mid_pct": 68.30000305175781,
        "high_pct": 0.30000001192092896,
        "centroid": 522.0,
        "bands": {
          "sub": 0.0,
          "bass": 31.399999618530273,
          "low_mid": 60.099998474121094,
          "mid": 8.100000381469727,
          "high_mid": 0.30000001192092896,
          "air": 0.0
        }
      },
      "after": {
        "lufs": -11.6,
        "peak": 0.0,
        "rms": -14.600000381469727,
        "crest": 14.600000381469727,
        "width": 3.9000000953674316,
        "low_pct": 31.0,
        "mid_pct": 68.69999694824219,
        "high_pct": 0.30000001192092896,
        "centroid": 539.0,
        "bands": {
          "sub": 0.0,
          "bass": 31.0,
          "low_mid": 59.599998474121094,
          "mid": 9.0,
          "high_mid": 0.30000001192092896,
          "air": 0.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 1.3,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 1000,
        "mid_snap_db": 0.5,
        "mid_snap_q": 0.5,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.15,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.0,
        "tight_hz": 120,
        "tight_db": -1.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.5,
        "comp_threshold_db": -10.0,
        "comp_ratio": 1.8,
        "comp_attack_ms": 20,
        "comp_release_ms": 150,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_cut_boxy": true,
        "_global_low": 31.399999618530273,
        "_global_mid": 68.30000305175781,
        "_global_high": 0.30000001192092896
      },
      "reasons": [
        "低频31%偏低，去闷-1.0dB，低频增强+2.0dB",
        "高频0%极度暗淡，空气感+1.5dB",
        "中频68%堆积(盒音)，切800Hz -1.0dB",
        "宽度5.1%偏窄，Side提升+1.3dB",
        "Crest 15.2dB正常，保持压缩阈值-10dB",
        "🎵 风格: pop (low, via audio) — 流行：低中均衡，中等压缩 (ref: 愿与愁)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1749.0,
        "onset_density": 2.2,
        "low_energy": 49.29999923706055
      }
    }
  ],
  "time": 34.4
}