{
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260627-230040-6d84a2/01_琵琶曲（东船与西舫）_20260627/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260627-230040-6d84a2/01_琵琶曲（东船与西舫）_20260627/suno_mixed_0.mp3",
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=40% Mid=59% High=2% W=10.3% Crest=13.7",
        "   目标: Low=51% Mid=45% High=4% W=4.6% Crest=11.3",
        "   差值: ΔLow=-11% ΔMid=+14% ΔHigh=-2% ΔW=+5.7% ΔCrest=+2.4",
        "   低频偏少-11%: 去闷=0, 低频增强=1.9dB, Mid低频=0.5dB",
        "   高频偏少-2%: 空气感=+0.5dB",
        "   LowMid偏多+4%: 600Hz=-0.1dB",
        "   Mid偏多+9%: 2.5kHz=-0.4dB q=1.0",
        "   宽度偏宽+5.7%: Side整体=-0.6dB",
        "   动态接近目标(Δ+2.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "medium",
        "source": "audio",
        "bpm": 107.7,
        "centroid": 2464.0,
        "onset_density": 3.8,
        "low_energy": 46.5
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260627-230040-6d84a2/01_琵琶曲（东船与西舫）_20260627/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260627-230040-6d84a2/01_琵琶曲（东船与西舫）_20260627/suno_mixed_1.mp3",
      "before": {
        "lufs": -14.0,
        "peak": -1.899999976158142,
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        "crest": 14.5,
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        "mid_pct": 57.5,
        "high_pct": 1.7999999523162842,
        "centroid": 881.0,
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          "low_mid": 20.299999237060547,
          "mid": 37.20000076293945,
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        "low_pct": 43.29999923706055,
        "mid_pct": 55.0,
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        "centroid": 817.0,
        "bands": {
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          "bass": 30.5,
          "low_mid": 20.700000762939453,
          "mid": 34.29999923706055,
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
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        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5079999566078186,
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        "mid_snap_hz": 2500,
        "mid_snap_db": -0.5,
        "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": 0.12799999117851257,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 1.8319997787475586,
        "tight_hz": 120,
        "tight_db": 0.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -9.920000076293945,
        "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": 0.3420000374317169,
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        "_global_low": 40.70000076293945,
        "_global_mid": 57.5,
        "_global_high": 1.7999999523162842
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=41% Mid=58% High=2% W=9.8% Crest=14.5",
        "   目标: Low=51% Mid=45% High=4% W=4.6% Crest=11.3",
        "   差值: ΔLow=-10% ΔMid=+12% ΔHigh=-2% ΔW=+5.2% ΔCrest=+3.2",
        "   低频偏少-10%: 去闷=0, 低频增强=1.8dB, Mid低频=0.5dB",
        "   高频接近目标(Δ-2%) → 微量空气感+0.3dB",
        "   LowMid偏少-11%: 600Hz=+0.3dB",
        "   Mid偏多+24%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏宽+5.2%: Side整体=-0.5dB",
        "   动态偏大+3.2dB: 压缩阈值=-9.9dB, PC mix=13%"
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        "confidence": "medium",
        "source": "audio",
        "bpm": 107.7,
        "centroid": 2464.0,
        "onset_density": 3.5,
        "low_energy": 54.70000076293945
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        "peak": 2.200000047683716,
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        "crest": 11.300000190734863,
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        "low_pct": 51.099998474121094,
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        "centroid": 699.0,
        "bands": {
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          "bass": 22.700000762939453,
          "low_mid": 31.700000762939453,
          "mid": 13.5,
          "high_mid": 2.5999999046325684,
          "air": 1.0
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      }
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  ],
  "time": 40.7
}