{
  "songs": [
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-161921-591c8e/01_Old Dirt Roads_拔节声_20260507/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-161921-591c8e/01_Old Dirt Roads_拔节声_20260507/suno_mixed_0.mp3",
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        "low_pct": 37.400001525878906,
        "mid_pct": 54.599998474121094,
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        "centroid": 1352.0,
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
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        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
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        "parallel_comp_enabled": true,
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        "dull_db": -0.75,
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        "_global_mid": 49.900001525878906,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=42% Mid=50% High=8% W=11.5% Crest=14.1",
        "   目标: Low=35% Mid=62% High=3% W=15.5% Crest=10.7",
        "   差值: ΔLow=+8% ΔMid=-12% ΔHigh=+4% ΔW=-4.0% ΔCrest=+3.4",
        "   低频偏多+8%: 去闷=-0.8dB, 低频增强=0.6dB, 收紧=-0.7dB",
        "   高频偏多+4%: 空气感=-0.2dB",
        "   LowMid偏少-20%: 600Hz=+0.5dB",
        "   Mid偏多+8%: 2.5kHz=-0.3dB q=1.0",
        "   宽度偏窄-4.0%: Side=+0.5dB",
        "   动态偏大+3.4dB: 压缩阈值=-10.0dB, PC mix=13%"
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      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2733.0,
        "onset_density": 4.2,
        "low_energy": 57.900001525878906
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        "lufs": -5.9,
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        "crest": 10.699999809265137,
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        "low_pct": 34.900001525878906,
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          "air": 1.5
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-161921-591c8e/01_Old Dirt Roads_拔节声_20260507/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-161921-591c8e/01_Old Dirt Roads_拔节声_20260507/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.1,
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        "crest": 13.300000190734863,
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        "low_pct": 41.20000076293945,
        "mid_pct": 52.900001525878906,
        "high_pct": 5.800000190734863,
        "centroid": 1123.0,
        "bands": {
          "sub": 16.399999618530273,
          "bass": 24.799999237060547,
          "low_mid": 31.100000381469727,
          "mid": 21.799999237060547,
          "high_mid": 4.0,
          "air": 1.7999999523162842
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      "after": {
        "lufs": -9.4,
        "peak": 0.20000000298023224,
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        "crest": 12.5,
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        "low_pct": 37.099998474121094,
        "mid_pct": 56.70000076293945,
        "high_pct": 6.199999809265137,
        "centroid": 1167.0,
        "bands": {
          "sub": 14.800000190734863,
          "bass": 22.299999237060547,
          "low_mid": 34.5,
          "mid": 22.200000762939453,
          "high_mid": 4.199999809265137,
          "air": 2.0
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.09719999879598618,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
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        "mid_snap_hz": 2500,
        "mid_snap_db": -0.16799995303153992,
        "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": 0.03,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.6299999356269836,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6850000619888306,
        "tight_hz": 120,
        "tight_db": -0.6889999508857727,
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        "air_hz": 16000,
        "air_db": 0.03999999165534973,
        "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": 0.3959999680519104,
        "side_gain_db": 0.32399997115135193,
        "_global_low": 41.20000076293945,
        "_global_mid": 52.900001525878906,
        "_global_high": 5.800000190734863
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=41% Mid=53% High=6% W=12.8% Crest=13.3",
        "   目标: Low=35% Mid=62% High=3% W=15.5% Crest=10.7",
        "   差值: ΔLow=+6% ΔMid=-9% ΔHigh=+3% ΔW=-2.7% ΔCrest=+2.6",
        "   低频偏多+6%: 去闷=-0.6dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏少-13%: 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+2.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 117.5,
        "centroid": 2638.0,
        "onset_density": 4.3,
        "low_energy": 52.599998474121094
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        "peak": 1.899999976158142,
        "rms": -8.800000190734863,
        "crest": 10.699999809265137,
        "width": 15.5,
        "low_pct": 34.900001525878906,
        "mid_pct": 61.79999923706055,
        "high_pct": 3.200000047683716,
        "centroid": 908.0,
        "bands": {
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          "bass": 31.299999237060547,
          "low_mid": 44.29999923706055,
          "mid": 17.600000381469727,
          "high_mid": 1.7000000476837158,
          "air": 1.5
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      }
    }
  ],
  "time": 47.4
}