{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/guofeng-jzj-yexuanqing-20260327-181318/01_九张机_20260327/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/guofeng-jzj-yexuanqing-20260327-181318/01_九张机_20260327/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.6,
        "peak": -0.4000000059604645,
        "rms": -15.199999809265137,
        "crest": 14.800000190734863,
        "width": 10.899999618530273,
        "low_pct": 39.20000076293945,
        "mid_pct": 59.0,
        "high_pct": 1.7999999523162842,
        "centroid": 470.0,
        "bands": {
          "sub": 3.700000047683716,
          "bass": 35.5,
          "low_mid": 55.20000076293945,
          "mid": 3.700000047683716,
          "high_mid": 0.699999988079071,
          "air": 1.100000023841858
        }
      },
      "after": {
        "lufs": -10.9,
        "peak": 0.0,
        "rms": -13.5,
        "crest": 13.5,
        "width": 9.0,
        "low_pct": 39.900001525878906,
        "mid_pct": 57.900001525878906,
        "high_pct": 2.0999999046325684,
        "centroid": 515.0,
        "bands": {
          "sub": 3.799999952316284,
          "bass": 36.099998474121094,
          "low_mid": 53.29999923706055,
          "mid": 4.599999904632568,
          "high_mid": 0.800000011920929,
          "air": 1.399999976158142
        }
      },
      "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": 39.20000076293945,
        "_global_mid": 59.0,
        "_global_high": 1.7999999523162842
      },
      "reasons": [
        "低频39%正常，保持基准",
        "高频2%极度暗淡，空气感+1.5dB",
        "中频59%偏高，观察",
        "宽度10.9%正常，保持基准",
        "Crest 14.8dB正常，保持压缩阈值-10dB",
        "🎵 风格: pop (medium, via audio) — 流行：低中均衡，中等压缩 (ref: 愿与愁)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2397.0,
        "onset_density": 2.8,
        "low_energy": 24.700000762939453
      }
    },
    {
      "input": "/srv/music-files/pipeline/guofeng-jzj-yexuanqing-20260327-181318/01_九张机_20260327/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/guofeng-jzj-yexuanqing-20260327-181318/01_九张机_20260327/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.0,
        "peak": -0.30000001192092896,
        "rms": -15.5,
        "crest": 15.199999809265137,
        "width": 13.100000381469727,
        "low_pct": 16.5,
        "mid_pct": 80.0999984741211,
        "high_pct": 3.299999952316284,
        "centroid": 935.0,
        "bands": {
          "sub": 3.299999952316284,
          "bass": 13.199999809265137,
          "low_mid": 40.20000076293945,
          "mid": 39.900001525878906,
          "high_mid": 1.7000000476837158,
          "air": 1.600000023841858
        }
      },
      "after": {
        "lufs": -11.3,
        "peak": 0.0,
        "rms": -13.800000190734863,
        "crest": 13.800000190734863,
        "width": 10.699999809265137,
        "low_pct": 18.200000762939453,
        "mid_pct": 78.0999984741211,
        "high_pct": 3.799999952316284,
        "centroid": 964.0,
        "bands": {
          "sub": 4.599999904632568,
          "bass": 13.600000381469727,
          "low_mid": 39.29999923706055,
          "mid": 38.70000076293945,
          "high_mid": 1.899999976158142,
          "air": 1.899999976158142
        }
      },
      "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": -0.5,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.5,
        "tight_hz": 120,
        "tight_db": -0.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.0,
        "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": 16.5,
        "_global_mid": 80.0999984741211,
        "_global_high": 3.299999952316284
      },
      "reasons": [
        "低频16%严重不足，去闷-0.5dB，低频增强+2.5dB",
        "高频3%偏低，空气感+1.0dB",
        "中频80%堆积(盒音)，切800Hz -1.0dB",
        "宽度13.1%正常，保持基准",
        "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": 172.3,
        "centroid": 1850.0,
        "onset_density": 2.5,
        "low_energy": 44.5
      }
    }
  ],
  "time": 31.2
}