{
  "songs": [
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/02_What Was That_20260418/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/02_What Was That_20260418/suno_mixed_0.mp3",
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        "low_pct": 56.20000076293945,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=58% Mid=38% High=4% W=8.3% Crest=11.7",
        "   目标: Low=74% Mid=24% High=2% W=13.4% Crest=9.9",
        "   差值: ΔLow=-16% ΔMid=+14% ΔHigh=+2% ΔW=-5.1% ΔCrest=+1.8",
        "   低频偏少-16%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏多+10%: 600Hz=-0.3dB",
        "   Mid偏多+4%: 2.5kHz=-0.1dB q=1.0",
        "   宽度偏窄-5.1%: Side=+0.6dB",
        "   动态接近目标(Δ+1.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
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        "confidence": "high",
        "source": "audio",
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          "air": 1.2999999523162842
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/02_What Was That_20260418/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/02_What Was That_20260418/suno_mixed_1.mp3",
      "before": {
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        "peak": -2.5,
        "rms": -15.199999809265137,
        "crest": 12.600000381469727,
        "width": 10.699999809265137,
        "low_pct": 53.79999923706055,
        "mid_pct": 41.79999923706055,
        "high_pct": 4.300000190734863,
        "centroid": 691.0,
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          "bass": 46.400001525878906,
          "low_mid": 34.0,
          "mid": 7.800000190734863,
          "high_mid": 2.5999999046325684,
          "air": 1.7000000476837158
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        "lufs": -9.8,
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        "rms": -11.399999618530273,
        "crest": 11.699999809265137,
        "width": 9.800000190734863,
        "low_pct": 53.0,
        "mid_pct": 42.5,
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        "centroid": 703.0,
        "bands": {
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          "mid": 7.900000095367432,
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        "side_high_shelf_hz": 10000,
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        "mid_peak_db": 0.6,
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        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
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        "mid_snap_db": -0.1599999964237213,
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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": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.0,
        "tight_hz": 120,
        "tight_db": 0.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.04999998211860657,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
        "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": -0.4050000011920929,
        "side_gain_db": 0.32399997115135193,
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        "_global_mid": 41.79999923706055,
        "_global_high": 4.300000190734863
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=54% Mid=42% High=4% W=10.7% Crest=12.6",
        "   目标: Low=74% Mid=24% High=2% W=13.4% Crest=9.9",
        "   差值: ΔLow=-20% ΔMid=+18% ΔHigh=+3% ΔW=-2.7% ΔCrest=+2.7",
        "   低频偏少-20%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏多+14%: 600Hz=-0.4dB",
        "   Mid偏多+4%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏窄-2.7%: Side=+0.3dB",
        "   动态接近目标(Δ+2.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2025.0,
        "onset_density": 4.1,
        "low_energy": 72.19999694824219
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        "crest": 9.899999618530273,
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        "low_pct": 73.80000305175781,
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        "high_pct": 1.7999999523162842,
        "centroid": 381.0,
        "bands": {
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          "mid": 3.799999952316284,
          "high_mid": 0.5,
          "air": 1.2999999523162842
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      }
    }
  ],
  "time": 35.8
}