{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260414-001759-b78acb/03_Harder, Better, Faster, Stronger_Signal_Drift_20260414/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260414-001759-b78acb/03_Harder, Better, Faster, Stronger_Signal_Drift_20260414/suno_mixed_0.mp3",
      "before": {
        "lufs": -11.9,
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        "low_pct": 83.80000305175781,
        "mid_pct": 13.800000190734863,
        "high_pct": 2.4000000953674316,
        "centroid": 395.0,
        "bands": {
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          "bass": 49.29999923706055,
          "low_mid": 10.699999809265137,
          "mid": 3.0999999046325684,
          "high_mid": 1.5,
          "air": 0.8999999761581421
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        "lufs": -9.1,
        "peak": 0.0,
        "rms": -10.899999618530273,
        "crest": 10.899999618530273,
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        "low_pct": 81.4000015258789,
        "mid_pct": 15.699999809265137,
        "high_pct": 2.9000000953674316,
        "centroid": 456.0,
        "bands": {
          "sub": 32.79999923706055,
          "bass": 48.599998474121094,
          "low_mid": 11.899999618530273,
          "mid": 3.799999952316284,
          "high_mid": 1.7999999523162842,
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.15479999780654907,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.26100000739097595,
        "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": 0.046000003814697266,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.3600006103515625,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.31999969482421875,
        "tight_hz": 120,
        "tight_db": -0.9080001711845398,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.5400000214576721,
        "comp_threshold_db": -6.300000190734863,
        "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": 0.0,
        "side_gain_db": 0.515999972820282,
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        "_global_mid": 13.800000190734863,
        "_global_high": 2.4000000953674316
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=84% Mid=14% High=2% W=3.4% Crest=12.3",
        "   目标: Low=70% Mid=23% High=5% W=7.7% Crest=15.7",
        "   差值: ΔLow=+14% ΔMid=-10% ΔHigh=-2% ΔW=-4.3% ΔCrest=-3.4",
        "   低频偏多+14%: 去闷=-1.4dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频偏少-2%: 空气感=+0.5dB",
        "   LowMid接近目标(Δ-1%) → 不调",
        "   Mid偏少-9%: 2.5kHz=+0.3dB q=1.0",
        "   宽度偏窄-4.3%: Side=+0.5dB",
        "   动态偏小-3.4dB: 压缩阈值=-6.3dB, PC mix=5%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "medium",
        "source": "audio",
        "bpm": 123.0,
        "centroid": 2816.0,
        "onset_density": 5.0,
        "low_energy": 79.9000015258789
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      "ref": {
        "lufs": -12.1,
        "peak": 1.2999999523162842,
        "rms": -14.399999618530273,
        "crest": 15.699999809265137,
        "width": 7.699999809265137,
        "low_pct": 70.19999694824219,
        "mid_pct": 23.399999618530273,
        "high_pct": 4.800000190734863,
        "centroid": 802.0,
        "bands": {
          "sub": 29.5,
          "bass": 40.70000076293945,
          "low_mid": 11.600000381469727,
          "mid": 11.800000190734863,
          "high_mid": 2.799999952316284,
          "air": 2.0
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      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260414-001759-b78acb/03_Harder, Better, Faster, Stronger_Signal_Drift_20260414/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260414-001759-b78acb/03_Harder, Better, Faster, Stronger_Signal_Drift_20260414/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.4,
        "peak": -1.2999999523162842,
        "rms": -13.899999618530273,
        "crest": 12.699999809265137,
        "width": 4.699999809265137,
        "low_pct": 42.400001525878906,
        "mid_pct": 51.099998474121094,
        "high_pct": 6.5,
        "centroid": 1063.0,
        "bands": {
          "sub": 0.0,
          "bass": 42.29999923706055,
          "low_mid": 38.79999923706055,
          "mid": 12.300000190734863,
          "high_mid": 4.300000190734863,
          "air": 2.200000047683716
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      },
      "after": {
        "lufs": -8.9,
        "peak": 0.30000001192092896,
        "rms": -10.399999618530273,
        "crest": 10.699999809265137,
        "width": 4.400000095367432,
        "low_pct": 40.29999923706055,
        "mid_pct": 52.70000076293945,
        "high_pct": 7.099999904632568,
        "centroid": 1130.0,
        "bands": {
          "sub": 0.10000000149011612,
          "bass": 40.20000076293945,
          "low_mid": 39.29999923706055,
          "mid": 13.399999618530273,
          "high_mid": 4.699999809265137,
          "air": 2.4000000953674316
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.1080000028014183,
        "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": 1000,
        "mid_snap_db": 0.0,
        "mid_snap_q": 0.5,
        "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": 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": 0.3,
        "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": -0.5,
        "side_gain_db": 0.35999998450279236,
        "_global_low": 42.400001525878906,
        "_global_mid": 51.099998474121094,
        "_global_high": 6.5
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=42% Mid=51% High=6% W=4.7% Crest=12.7",
        "   目标: Low=70% Mid=23% High=5% W=7.7% Crest=15.7",
        "   差值: ΔLow=-28% ΔMid=+28% ΔHigh=+2% ΔW=-3.0% ΔCrest=-3.0",
        "   低频偏少-28%: 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+27%: 600Hz=-0.5dB",
        "   Mid接近目标(Δ+0%) → 不调",
        "   宽度偏窄-3.0%: Side=+0.4dB",
        "   动态接近目标(Δ-3.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "medium",
        "source": "audio",
        "bpm": 123.0,
        "centroid": 3015.0,
        "onset_density": 4.4,
        "low_energy": 78.80000305175781
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      "ref": {
        "lufs": -12.1,
        "peak": 1.2999999523162842,
        "rms": -14.399999618530273,
        "crest": 15.699999809265137,
        "width": 7.699999809265137,
        "low_pct": 70.19999694824219,
        "mid_pct": 23.399999618530273,
        "high_pct": 4.800000190734863,
        "centroid": 802.0,
        "bands": {
          "sub": 29.5,
          "bass": 40.70000076293945,
          "low_mid": 11.600000381469727,
          "mid": 11.800000190734863,
          "high_mid": 2.799999952316284,
          "air": 2.0
        }
      }
    }
  ],
  "time": 45.3
}