{
  "songs": [
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/01_Choosin' Texas_Crease_In_His_Cheek_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/01_Choosin' Texas_Crease_In_His_Cheek_20260512/suno_mixed_0.mp3",
      "before": {
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          "mid": 21.899999618530273,
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        "low_pct": 48.5,
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        "side_high_shelf_hz": 10000,
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        "mid_peak_db": 0.6,
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        "dull_db": 0.0,
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        "sub_shelf_db": 2.0,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=41% Mid=51% High=8% W=14.2% Crest=14.1",
        "   目标: Low=61% Mid=36% High=2% W=13.0% Crest=10.8",
        "   差值: ΔLow=-20% ΔMid=+15% ΔHigh=+5% ΔW=+1.2% ΔCrest=+3.3",
        "   低频偏少-20%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+5%: 空气感=-0.2dB",
        "   LowMid偏多+5%: 600Hz=-0.2dB",
        "   Mid偏多+9%: 2.5kHz=-0.4dB q=1.0",
        "   Air偏多+2.7%: 空气感再降0.2dB→-0.5dB",
        "   宽度接近目标(Δ+1.2%) → Side增益归零",
        "   动态偏大+3.3dB: 压缩阈值=-10.0dB, PC mix=13%"
      ],
      "genre": {
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        "confidence": "medium",
        "source": "audio",
        "bpm": 112.3,
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        "rms": -10.0,
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/01_Choosin' Texas_Crease_In_His_Cheek_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/01_Choosin' Texas_Crease_In_His_Cheek_20260512/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.7,
        "peak": -2.5,
        "rms": -16.700000762939453,
        "crest": 14.199999809265137,
        "width": 9.600000381469727,
        "low_pct": 32.70000076293945,
        "mid_pct": 57.900001525878906,
        "high_pct": 9.399999618530273,
        "centroid": 1483.0,
        "bands": {
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          "bass": 25.399999618530273,
          "low_mid": 28.600000381469727,
          "mid": 29.299999237060547,
          "high_mid": 5.699999809265137,
          "air": 3.700000047683716
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        "lufs": -11.2,
        "peak": -0.20000000298023224,
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        "width": 8.0,
        "low_pct": 40.79999923706055,
        "mid_pct": 50.599998474121094,
        "high_pct": 8.5,
        "centroid": 1304.0,
        "bands": {
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          "bass": 30.200000762939453,
          "low_mid": 26.200000762939453,
          "mid": 24.5,
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          "air": 3.4000000953674316
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        "side_high_shelf_hz": 10000,
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        "mid_peak_db": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "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,
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        "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": 2.0,
        "tight_hz": 120,
        "tight_db": 0.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.6939999461174011,
        "comp_threshold_db": -10.039999961853027,
        "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": -0.14100001752376556,
        "side_gain_db": 0.4079999327659607,
        "_global_low": 32.70000076293945,
        "_global_mid": 57.900001525878906,
        "_global_high": 9.399999618530273
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=33% Mid=58% High=9% W=9.6% Crest=14.2",
        "   目标: Low=61% Mid=36% High=2% W=13.0% Crest=10.8",
        "   差值: ΔLow=-29% ΔMid=+21% ΔHigh=+7% ΔW=-3.4% ΔCrest=+3.4",
        "   低频偏少-29%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+7%: 空气感=-0.4dB",
        "   LowMid偏多+5%: 600Hz=-0.1dB",
        "   Mid偏多+17%: 2.5kHz=-0.5dB q=1.0",
        "   Air偏多+3.3%: 空气感再降0.3dB→-0.7dB",
        "   宽度偏窄-3.4%: Side=+0.4dB",
        "   动态偏大+3.4dB: 压缩阈值=-10.0dB, PC mix=13%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 112.3,
        "centroid": 2893.0,
        "onset_density": 3.1,
        "low_energy": 40.0
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      "ref": {
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        "peak": 0.800000011920929,
        "rms": -10.0,
        "crest": 10.800000190734863,
        "width": 13.0,
        "low_pct": 61.29999923706055,
        "mid_pct": 36.5,
        "high_pct": 2.0999999046325684,
        "centroid": 557.0,
        "bands": {
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          "bass": 42.099998474121094,
          "low_mid": 23.899999618530273,
          "mid": 12.699999809265137,
          "high_mid": 1.7000000476837158,
          "air": 0.4000000059604645
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      }
    }
  ],
  "time": 40.6
}