{
  "songs": [
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260727-191305-5b319e/02_I Feel Love_20260727/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260727-191305-5b319e/02_I Feel Love_20260727/suno_mixed_0.mp3",
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        "low_pct": 64.9000015258789,
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        "side_high_shelf_hz": 6000,
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        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=74% Mid=22% High=5% W=7.9% Crest=12.2",
        "   目标: Low=27% Mid=67% High=6% W=16.3% Crest=17.9",
        "   差值: ΔLow=+46% ΔMid=-46% ΔHigh=-1% ΔW=-8.4% ΔCrest=-5.7",
        "   低频偏多+46%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-15%: 600Hz=+0.5dB",
        "   Mid偏少-31%: 2.5kHz=+0.5dB q=1.0",
        "   宽度偏窄-8.4%: Side=+1.0dB",
        "   动态偏小-5.7dB: 压缩阈值=-5.2dB, PC mix=2%"
      ],
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        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2992.0,
        "onset_density": 7.5,
        "low_energy": 75.0
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          "mid": 37.599998474121094,
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          "air": 1.7999999523162842
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260727-191305-5b319e/02_I Feel Love_20260727/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260727-191305-5b319e/02_I Feel Love_20260727/suno_mixed_1.mp3",
      "before": {
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        "peak": -0.4000000059604645,
        "rms": -12.800000190734863,
        "crest": 12.300000190734863,
        "width": 5.400000095367432,
        "low_pct": 46.599998474121094,
        "mid_pct": 47.70000076293945,
        "high_pct": 5.699999809265137,
        "centroid": 954.0,
        "bands": {
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          "bass": 34.099998474121094,
          "low_mid": 36.20000076293945,
          "mid": 11.5,
          "high_mid": 3.4000000953674316,
          "air": 2.299999952316284
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      "after": {
        "lufs": -9.6,
        "peak": 0.0,
        "rms": -11.199999809265137,
        "crest": 11.199999809265137,
        "width": 6.199999809265137,
        "low_pct": 35.599998474121094,
        "mid_pct": 56.79999923706055,
        "high_pct": 7.599999904632568,
        "centroid": 1234.0,
        "bands": {
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          "bass": 25.299999237060547,
          "low_mid": 40.099998474121094,
          "mid": 16.700000762939453,
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          "air": 3.0
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      "adapted_params": {
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        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.39239999651908875,
        "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": 0.5,
        "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": 0.024000003933906555,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.9499998092651367,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.02500009536743164,
        "tight_hz": 120,
        "tight_db": -1.084999918937683,
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        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -5.200000286102295,
        "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": -0.19200004637241364,
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        "_global_low": 46.599998474121094,
        "_global_mid": 47.70000076293945,
        "_global_high": 5.699999809265137
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=47% Mid=48% High=6% W=5.4% Crest=12.3",
        "   目标: Low=27% Mid=67% High=6% W=16.3% Crest=17.9",
        "   差值: ΔLow=+19% ΔMid=-20% ΔHigh=+0% ΔW=-10.9% ΔCrest=-5.6",
        "   低频偏多+19%: 去闷=-1.9dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏多+6%: 600Hz=-0.2dB",
        "   Mid偏少-26%: 2.5kHz=+0.5dB q=1.0",
        "   宽度偏窄-10.9%: Side=+1.3dB",
        "   动态偏小-5.6dB: 压缩阈值=-5.2dB, PC mix=2%"
      ],
      "genre": {
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        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 3061.0,
        "onset_density": 7.5,
        "low_energy": 86.0
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        "peak": -0.6000000238418579,
        "rms": -18.399999618530273,
        "crest": 17.899999618530273,
        "width": 16.299999237060547,
        "low_pct": 27.100000381469727,
        "mid_pct": 67.4000015258789,
        "high_pct": 5.5,
        "centroid": 1327.0,
        "bands": {
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          "bass": 24.700000762939453,
          "low_mid": 29.799999237060547,
          "mid": 37.599998474121094,
          "high_mid": 3.700000047683716,
          "air": 1.7999999523162842
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      }
    }
  ],
  "time": 54.3
}