{
  "songs": [
    {
      "input": "/tmp/music-pipeline/qinghua-v1-20260325-013333/01_青花_20260325/suno_raw_0.mp3",
      "output": "/tmp/music-pipeline/qinghua-v1-20260325-013333/01_青花_20260325/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.7,
        "peak": -1.899999976158142,
        "rms": -15.600000381469727,
        "crest": 13.699999809265137,
        "width": 7.099999904632568,
        "low_pct": 42.29999923706055,
        "mid_pct": 53.5,
        "high_pct": 4.300000190734863,
        "centroid": 863.0,
        "bands": {
          "sub": 10.199999809265137,
          "bass": 32.099998474121094,
          "low_mid": 34.70000076293945,
          "mid": 18.799999237060547,
          "high_mid": 3.299999952316284,
          "air": 1.0
        }
      },
      "after": {
        "lufs": -10.9,
        "peak": -0.30000001192092896,
        "rms": -13.800000190734863,
        "crest": 13.5,
        "width": 5.099999904632568,
        "low_pct": 41.0,
        "mid_pct": 54.599998474121094,
        "high_pct": 4.5,
        "centroid": 907.0,
        "bands": {
          "sub": 12.199999809265137,
          "bass": 28.799999237060547,
          "low_mid": 34.099998474121094,
          "mid": 20.5,
          "high_mid": 3.4000000953674316,
          "air": 1.100000023841858
        }
      },
      "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": 0.2,
        "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": 2.5,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.2,
        "comp_threshold_db": -10.0,
        "comp_ratio": 1.8,
        "comp_attack_ms": 20,
        "comp_release_ms": 120,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_global_low": 42.29999923706055,
        "_global_mid": 53.5,
        "_global_high": 4.300000190734863
      },
      "reasons": [
        "低频42%正常，保持基准",
        "高频4%偏低，空气感+1.0dB",
        "中频54%正常，保持基准",
        "宽度7.1%偏窄，Side提升+1.3dB",
        "Crest 13.7dB正常，保持压缩阈值-10dB",
        "🎵 风格: hip_hop (medium, via audio) — 嘻哈：Sub有力，紧凑，中等压缩 (ref: 楼上的房东)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2118.0,
        "onset_density": 2.8,
        "low_energy": 35.29999923706055
      }
    },
    {
      "input": "/tmp/music-pipeline/qinghua-v1-20260325-013333/01_青花_20260325/suno_raw_1.mp3",
      "output": "/tmp/music-pipeline/qinghua-v1-20260325-013333/01_青花_20260325/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.4,
        "peak": -1.600000023841858,
        "rms": -15.199999809265137,
        "crest": 13.600000381469727,
        "width": 5.0,
        "low_pct": 42.400001525878906,
        "mid_pct": 56.20000076293945,
        "high_pct": 1.2999999523162842,
        "centroid": 603.0,
        "bands": {
          "sub": 11.899999618530273,
          "bass": 30.600000381469727,
          "low_mid": 41.900001525878906,
          "mid": 14.300000190734863,
          "high_mid": 0.8999999761581421,
          "air": 0.4000000059604645
        }
      },
      "after": {
        "lufs": -10.7,
        "peak": 0.0,
        "rms": -13.5,
        "crest": 13.5,
        "width": 4.0,
        "low_pct": 40.20000076293945,
        "mid_pct": 58.29999923706055,
        "high_pct": 1.5,
        "centroid": 644.0,
        "bands": {
          "sub": 12.699999809265137,
          "bass": 27.5,
          "low_mid": 42.20000076293945,
          "mid": 16.100000381469727,
          "high_mid": 1.0,
          "air": 0.5
        }
      },
      "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": 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": 42.400001525878906,
        "_global_mid": 56.20000076293945,
        "_global_high": 1.2999999523162842
      },
      "reasons": [
        "低频42%正常，保持基准",
        "高频1%极度暗淡，空气感+1.5dB",
        "中频56%正常，保持基准",
        "宽度5.0%偏窄，Side提升+1.3dB",
        "Crest 13.6dB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": 1818.0,
        "onset_density": 2.4,
        "low_energy": 47.5
      }
    }
  ],
  "time": 37.8
}