{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-182149-f3a3f0/01_BIRDS OF A FEATHER_20260412/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-182149-f3a3f0/01_BIRDS OF A FEATHER_20260412/suno_mixed_0.mp3",
      "before": {
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        "bands": {
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          "bass": 47.29999923706055,
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          "mid": 9.100000381469727,
          "high_mid": 4.0,
          "air": 2.700000047683716
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        "lufs": -10.1,
        "peak": 0.10000000149011612,
        "rms": -12.399999618530273,
        "crest": 12.5,
        "width": 8.199999809265137,
        "low_pct": 68.5,
        "mid_pct": 25.200000762939453,
        "high_pct": 6.199999809265137,
        "centroid": 796.0,
        "bands": {
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          "bass": 45.400001525878906,
          "low_mid": 17.100000381469727,
          "mid": 8.199999809265137,
          "high_mid": 3.700000047683716,
          "air": 2.5
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "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": -0.328000009059906,
        "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": 0.13249999284744263,
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        "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": -0.5019999742507935,
        "comp_threshold_db": -10.100000381469727,
        "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": -0.21599996089935303,
        "side_gain_db": -0.3699999749660492,
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        "_global_mid": 27.399999618530273,
        "_global_high": 6.699999809265137
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=66% Mid=27% High=7% W=10.7% Crest=14.2",
        "   目标: Low=87% Mid=12% High=1% W=7.0% Crest=10.7",
        "   差值: ΔLow=-21% ΔMid=+15% ΔHigh=+6% ΔW=+3.7% ΔCrest=+3.5",
        "   低频偏少-21%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+6%: 空气感=-0.3dB",
        "   LowMid偏多+7%: 600Hz=-0.2dB",
        "   Mid偏多+8%: 2.5kHz=-0.3dB q=1.0",
        "   Air偏多+2.4%: 空气感再降0.2dB→-0.5dB",
        "   宽度偏宽+3.7%: Side整体=-0.4dB",
        "   动态偏大+3.5dB: 压缩阈值=-10.1dB, PC mix=13%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 3316.0,
        "onset_density": 4.3,
        "low_energy": 62.599998474121094
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        "lufs": -9.1,
        "peak": 0.4000000059604645,
        "rms": -10.300000190734863,
        "crest": 10.699999809265137,
        "width": 7.0,
        "low_pct": 87.30000305175781,
        "mid_pct": 12.0,
        "high_pct": 0.6000000238418579,
        "centroid": 184.0,
        "bands": {
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          "bass": 59.20000076293945,
          "low_mid": 11.100000381469727,
          "mid": 0.8999999761581421,
          "high_mid": 0.30000001192092896,
          "air": 0.30000001192092896
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      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-182149-f3a3f0/01_BIRDS OF A FEATHER_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-182149-f3a3f0/01_BIRDS OF A FEATHER_20260412/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.0,
        "peak": -1.600000023841858,
        "rms": -15.600000381469727,
        "crest": 14.0,
        "width": 10.0,
        "low_pct": 53.0,
        "mid_pct": 36.20000076293945,
        "high_pct": 10.800000190734863,
        "centroid": 1346.0,
        "bands": {
          "sub": 15.399999618530273,
          "bass": 37.599998474121094,
          "low_mid": 22.5,
          "mid": 13.699999809265137,
          "high_mid": 5.800000190734863,
          "air": 5.0
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      },
      "after": {
        "lufs": -9.5,
        "peak": 0.20000000298023224,
        "rms": -11.800000190734863,
        "crest": 12.0,
        "width": 7.599999904632568,
        "low_pct": 58.79999923706055,
        "mid_pct": 31.299999237060547,
        "high_pct": 9.800000190734863,
        "centroid": 1203.0,
        "bands": {
          "sub": 19.899999618530273,
          "bass": 38.900001525878906,
          "low_mid": 19.799999237060547,
          "mid": 11.5,
          "high_mid": 5.300000190734863,
          "air": 4.599999904632568
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "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,
        "parallel_comp_mix": 0.12950000166893005,
        "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": -0.8759999871253967,
        "comp_threshold_db": -9.980000495910645,
        "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": -0.34199997782707214,
        "side_gain_db": -0.30000001192092896,
        "_global_low": 53.0,
        "_global_mid": 36.20000076293945,
        "_global_high": 10.800000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=53% Mid=36% High=11% W=10.0% Crest=14.0",
        "   目标: Low=87% Mid=12% High=1% W=7.0% Crest=10.7",
        "   差值: ΔLow=-34% ΔMid=+24% ΔHigh=+10% ΔW=+3.0% ΔCrest=+3.3",
        "   低频偏少-34%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+10%: 空气感=-0.5dB",
        "   LowMid偏多+11%: 600Hz=-0.3dB",
        "   Mid偏多+13%: 2.5kHz=-0.5dB q=1.0",
        "   Air偏多+4.7%: 空气感再降0.4dB→-0.9dB",
        "   宽度偏宽+3.0%: Side整体=-0.3dB",
        "   动态偏大+3.3dB: 压缩阈值=-10.0dB, PC mix=13%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 3410.0,
        "onset_density": 4.3,
        "low_energy": 55.0
      },
      "ref": {
        "lufs": -9.1,
        "peak": 0.4000000059604645,
        "rms": -10.300000190734863,
        "crest": 10.699999809265137,
        "width": 7.0,
        "low_pct": 87.30000305175781,
        "mid_pct": 12.0,
        "high_pct": 0.6000000238418579,
        "centroid": 184.0,
        "bands": {
          "sub": 28.100000381469727,
          "bass": 59.20000076293945,
          "low_mid": 11.100000381469727,
          "mid": 0.8999999761581421,
          "high_mid": 0.30000001192092896,
          "air": 0.30000001192092896
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      }
    }
  ],
  "time": 45.9
}