{
  "songs": [
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260514-105256-3b0c43/02_Time Of My Life_20260514/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260514-105256-3b0c43/02_Time Of My Life_20260514/suno_mixed_0.mp3",
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        "side_high_shelf_hz": 10000,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=75% Mid=23% High=2% W=4.2% Crest=12.6",
        "   目标: Low=58% Mid=38% High=3% W=9.1% Crest=12.5",
        "   差值: ΔLow=+17% ΔMid=-15% ΔHigh=-1% ΔW=-4.9% ΔCrest=+0.1",
        "   低频偏多+17%: 去闷=-1.7dB, 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-10%: 600Hz=+0.3dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-4.9%: Side=+0.6dB",
        "   动态接近目标(Δ+0.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
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        "confidence": "high",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 2137.0,
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          "air": 1.0
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260514-105256-3b0c43/02_Time Of My Life_20260514/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260514-105256-3b0c43/02_Time Of My Life_20260514/suno_mixed_1.mp3",
      "before": {
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        "crest": 12.600000381469727,
        "width": 3.299999952316284,
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        "high_pct": 3.0,
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          "low_mid": 15.899999618530273,
          "mid": 8.699999809265137,
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          "air": 1.600000023841858
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        "peak": 0.0,
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        "crest": 13.199999809265137,
        "width": 3.4000000953674316,
        "low_pct": 68.69999694824219,
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        "high_pct": 3.5,
        "centroid": 666.0,
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          "mid": 10.5,
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        "side_high_shelf_hz": 10000,
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        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
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        "mid_snap_db": 0.1380000114440918,
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        "parallel_comp_enabled": true,
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        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.410000205039978,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.294999897480011,
        "tight_hz": 120,
        "tight_db": -0.9230000972747803,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
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        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": 0.28199997544288635,
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        "_global_low": 72.30000305175781,
        "_global_mid": 24.700000762939453,
        "_global_high": 3.0
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=72% Mid=25% High=3% W=3.3% Crest=12.6",
        "   目标: Low=58% Mid=38% High=3% W=9.1% Crest=12.5",
        "   差值: ΔLow=+14% ΔMid=-14% ΔHigh=-0% ΔW=-5.8% ΔCrest=+0.1",
        "   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-9%: 600Hz=+0.3dB",
        "   Mid偏少-5%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-5.8%: Side=+0.7dB",
        "   动态接近目标(Δ+0.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "high",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 2183.0,
        "onset_density": 4.8,
        "low_energy": 78.9000015258789
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        "peak": 1.899999976158142,
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        "crest": 12.5,
        "width": 9.100000381469727,
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        "centroid": 652.0,
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          "mid": 13.300000190734863,
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          "air": 1.0
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  ],
  "time": 34.6
}