{
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=84% Mid=14% High=2% W=4.5% Crest=12.9",
        "   目标: Low=62% Mid=35% High=3% W=16.1% Crest=10.4",
        "   差值: ΔLow=+22% ΔMid=-21% ΔHigh=-1% ΔW=-11.6% ΔCrest=+2.5",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-17%: 600Hz=+0.5dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-11.6%: Side=+1.4dB",
        "   动态接近目标(Δ+2.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-173847-2c15c8/01_Thinkin' Bout You (Ryan Hemsworth Bootleg)_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-173847-2c15c8/01_Thinkin' Bout You (Ryan Hemsworth Bootleg)_20260412/suno_mixed_1.mp3",
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          "mid": 3.299999952316284,
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        "bands": {
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          "low_mid": 22.700000762939453,
          "mid": 4.5,
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        "mid_snap_hz": 1000,
        "mid_snap_db": 0.0,
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        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
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        "pre_gain_db": 0.0,
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        "dull_db": -1.8100003004074097,
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        "sub_shelf_hz": 80,
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        "air_db": 0.3,
        "comp_threshold_db": -6.0,
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        "comp_release_ms": 100,
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        "limiter_release_ms": 100,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=80% Mid=19% High=2% W=6.1% Crest=12.4",
        "   目标: Low=62% Mid=35% High=3% W=16.1% Crest=10.4",
        "   差值: ΔLow=+18% ΔMid=-16% ΔHigh=-2% ΔW=-10.0% ΔCrest=+2.0",
        "   低频偏多+18%: 去闷=-1.8dB, 低频增强=0.1dB, 收紧=-1.0dB",
        "   高频接近目标(Δ-2%) → 微量空气感+0.3dB",
        "   LowMid偏少-13%: 600Hz=+0.4dB",
        "   Mid接近目标(Δ-3%) → 不调",
        "   宽度偏窄-10.0%: Side=+1.2dB",
        "   动态接近目标(Δ+2.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2256.0,
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        "low_energy": 74.69999694824219
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        "low_pct": 61.70000076293945,
        "mid_pct": 34.900001525878906,
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        "centroid": 602.0,
        "bands": {
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          "mid": 6.199999809265137,
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          "air": 1.600000023841858
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  ],
  "time": 45.0
}