{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-march27-20260327-1348/01_唯一_20260327/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-march27-20260327-1348/01_唯一_20260327/suno_mixed_0.mp3",
      "before": {
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        "peak": 0.10000000149011612,
        "rms": -14.800000190734863,
        "crest": 14.899999618530273,
        "width": 11.600000381469727,
        "low_pct": 47.70000076293945,
        "mid_pct": 50.0,
        "high_pct": 2.200000047683716,
        "centroid": 610.0,
        "bands": {
          "sub": 6.699999809265137,
          "bass": 41.0,
          "low_mid": 41.70000076293945,
          "mid": 8.300000190734863,
          "high_mid": 1.2000000476837158,
          "air": 1.0
        }
      },
      "after": {
        "lufs": -11.1,
        "peak": 0.0,
        "rms": -13.699999809265137,
        "crest": 13.699999809265137,
        "width": 8.699999809265137,
        "low_pct": 43.29999923706055,
        "mid_pct": 54.099998474121094,
        "high_pct": 2.700000047683716,
        "centroid": 708.0,
        "bands": {
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          "bass": 35.400001525878906,
          "low_mid": 43.5,
          "mid": 10.5,
          "high_mid": 1.399999976158142,
          "air": 1.2999999523162842
        }
      },
      "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": -2.0,
        "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": 47.70000076293945,
        "_global_mid": 50.0,
        "_global_high": 2.200000047683716
      },
      "reasons": [
        "低频48%略高，去闷-2.0dB",
        "高频2%极度暗淡，空气感+1.5dB",
        "中频50%正常，保持基准",
        "宽度11.6%正常，保持基准",
        "Crest 14.9dB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": 129.2,
        "centroid": 1576.0,
        "onset_density": 1.7,
        "low_energy": 68.0999984741211
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-march27-20260327-1348/01_唯一_20260327/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-march27-20260327-1348/01_唯一_20260327/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.6,
        "peak": 0.10000000149011612,
        "rms": -15.199999809265137,
        "crest": 15.300000190734863,
        "width": 12.199999809265137,
        "low_pct": 63.20000076293945,
        "mid_pct": 33.900001525878906,
        "high_pct": 2.9000000953674316,
        "centroid": 479.0,
        "bands": {
          "sub": 3.5999999046325684,
          "bass": 59.599998474121094,
          "low_mid": 32.0,
          "mid": 2.0,
          "high_mid": 1.2000000476837158,
          "air": 1.600000023841858
        }
      },
      "after": {
        "lufs": -11.8,
        "peak": 0.0,
        "rms": -14.5,
        "crest": 14.5,
        "width": 9.600000381469727,
        "low_pct": 60.0,
        "mid_pct": 35.400001525878906,
        "high_pct": 4.599999904632568,
        "centroid": 662.0,
        "bands": {
          "sub": 3.700000047683716,
          "bass": 56.29999923706055,
          "low_mid": 32.29999923706055,
          "mid": 3.0999999046325684,
          "high_mid": 2.0,
          "air": 2.5999999046325684
        }
      },
      "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,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "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": -2.5,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
        "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": 63.20000076293945,
        "_global_mid": 33.900001525878906,
        "_global_high": 2.9000000953674316
      },
      "reasons": [
        "低频63%严重超载，去闷-2.5dB，低频增强降到0.5，Mid低频归零",
        "高频3%极度暗淡，空气感+1.5dB",
        "中频34%偏低，加强1kHz打击感+0.5dB",
        "宽度12.2%正常，保持基准",
        "Crest 15.3dB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": 129.2,
        "centroid": 1672.0,
        "onset_density": 1.9,
        "low_energy": 57.29999923706055
      }
    }
  ],
  "time": 29.5
}