{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/03_烟火里的尘埃_20260328/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/03_烟火里的尘埃_20260328/suno_mixed_0.mp3",
      "before": {
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        "low_pct": 42.70000076293945,
        "mid_pct": 56.70000076293945,
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        "centroid": 455.0,
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          "bass": 37.099998474121094,
          "low_mid": 52.0,
          "mid": 4.599999904632568,
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          "air": 0.20000000298023224
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.3312000334262848,
        "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": 2500,
        "mid_snap_db": 0.17099998891353607,
        "mid_snap_q": 1.0,
        "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": 0.13699999451637268,
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        "dull_hz": 300,
        "dull_db": -1.5199997425079346,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.24000012874603271,
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        "tight_db": -0.9559999108314514,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -10.280000686645508,
        "comp_ratio": 2.0,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
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        "side_gain_db": 1.1040000915527344,
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        "_global_mid": 46.400001525878906,
        "_global_high": 0.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=53% Mid=46% High=0% W=12.4% Crest=15.3",
        "   目标: Low=38% Mid=60% High=2% W=21.6% Crest=11.5",
        "   差值: ΔLow=+15% ΔMid=-14% ΔHigh=-1% ΔW=-9.2% ΔCrest=+3.8",
        "   低频偏多+15%: 去闷=-1.5dB, 低频增强=0.2dB, 收紧=-1.0dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-8%: 600Hz=+0.3dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-9.2%: Side=+1.1dB",
        "   动态偏大+3.8dB: 压缩阈值=-10.3dB, PC mix=14%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1803.0,
        "onset_density": 2.1,
        "low_energy": 35.0
      },
      "ref": {
        "lufs": -7.6,
        "peak": 1.100000023841858,
        "rms": -10.399999618530273,
        "crest": 11.5,
        "width": 21.600000381469727,
        "low_pct": 37.900001525878906,
        "mid_pct": 60.400001525878906,
        "high_pct": 1.600000023841858,
        "centroid": 556.0,
        "bands": {
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          "bass": 23.100000381469727,
          "low_mid": 51.400001525878906,
          "mid": 9.0,
          "high_mid": 1.100000023841858,
          "air": 0.6000000238418579
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      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/03_烟火里的尘埃_20260328/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/03_烟火里的尘埃_20260328/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.5,
        "peak": -0.20000000298023224,
        "rms": -16.0,
        "crest": 15.800000190734863,
        "width": 11.800000190734863,
        "low_pct": 51.599998474121094,
        "mid_pct": 46.70000076293945,
        "high_pct": 1.7000000476837158,
        "centroid": 506.0,
        "bands": {
          "sub": 3.4000000953674316,
          "bass": 48.20000076293945,
          "low_mid": 40.29999923706055,
          "mid": 6.400000095367432,
          "high_mid": 1.2999999523162842,
          "air": 0.4000000059604645
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      },
      "after": {
        "lufs": -10.8,
        "peak": 0.0,
        "rms": -13.399999618530273,
        "crest": 13.399999618530273,
        "width": 13.800000190734863,
        "low_pct": 45.900001525878906,
        "mid_pct": 52.0,
        "high_pct": 2.200000047683716,
        "centroid": 601.0,
        "bands": {
          "sub": 2.299999952316284,
          "bass": 43.599998474121094,
          "low_mid": 43.400001525878906,
          "mid": 8.5,
          "high_mid": 1.7000000476837158,
          "air": 0.5
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.35280001163482666,
        "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": 0.0,
        "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": 0.1445000022649765,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.3699997663497925,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.31500011682510376,
        "tight_hz": 120,
        "tight_db": -0.9109998941421509,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -10.579999923706055,
        "comp_ratio": 2.0,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": 0.3330000638961792,
        "side_gain_db": 1.1759999990463257,
        "_global_low": 51.599998474121094,
        "_global_mid": 46.70000076293945,
        "_global_high": 1.7000000476837158
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=52% Mid=47% High=2% W=11.8% Crest=15.8",
        "   目标: Low=38% Mid=60% High=2% W=21.6% Crest=11.5",
        "   差值: ΔLow=+14% ΔMid=-14% ΔHigh=+0% ΔW=-9.8% ΔCrest=+4.3",
        "   低频偏多+14%: 去闷=-1.4dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-11%: 600Hz=+0.3dB",
        "   Mid接近目标(Δ-3%) → 不调",
        "   宽度偏窄-9.8%: Side=+1.2dB",
        "   动态偏大+4.3dB: 压缩阈值=-10.6dB, PC mix=14%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2195.0,
        "onset_density": 2.1,
        "low_energy": 47.400001525878906
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      "ref": {
        "lufs": -7.6,
        "peak": 1.100000023841858,
        "rms": -10.399999618530273,
        "crest": 11.5,
        "width": 21.600000381469727,
        "low_pct": 37.900001525878906,
        "mid_pct": 60.400001525878906,
        "high_pct": 1.600000023841858,
        "centroid": 556.0,
        "bands": {
          "sub": 14.800000190734863,
          "bass": 23.100000381469727,
          "low_mid": 51.400001525878906,
          "mid": 9.0,
          "high_mid": 1.100000023841858,
          "air": 0.6000000238418579
        }
      }
    }
  ]
}