{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-012811-59aba7/01_Shape of You_20260412/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-012811-59aba7/01_Shape of You_20260412/suno_mixed_0.mp3",
      "before": {
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        "centroid": 348.0,
        "bands": {
          "sub": 32.099998474121094,
          "bass": 50.29999923706055,
          "low_mid": 12.699999809265137,
          "mid": 3.0999999046325684,
          "high_mid": 0.699999988079071,
          "air": 1.100000023841858
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      "after": {
        "lufs": -10.2,
        "peak": 0.30000001192092896,
        "rms": -11.899999618530273,
        "crest": 12.199999809265137,
        "width": 6.099999904632568,
        "low_pct": 74.69999694824219,
        "mid_pct": 22.600000381469727,
        "high_pct": 2.700000047683716,
        "centroid": 478.0,
        "bands": {
          "sub": 30.5,
          "bass": 44.20000076293945,
          "low_mid": 18.0,
          "mid": 4.599999904632568,
          "high_mid": 1.0,
          "air": 1.7000000476837158
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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,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.1589999943971634,
        "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": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.2349998950958252,
        "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": 0.0,
        "_global_low": 82.4000015258789,
        "_global_mid": 15.800000190734863,
        "_global_high": 1.7999999523162842
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=82% Mid=16% High=2% W=5.2% Crest=12.6",
        "   目标: Low=58% Mid=38% High=4% W=5.4% Crest=11.3",
        "   差值: ΔLow=+24% ΔMid=-23% ΔHigh=-2% ΔW=-0.2% ΔCrest=+1.3",
        "   低频偏多+24%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频接近目标(Δ-2%) → 微量空气感+0.3dB",
        "   LowMid偏少-17%: 600Hz=+0.5dB",
        "   Mid偏少-5%: 2.5kHz=+0.2dB q=1.0",
        "   宽度接近目标(Δ-0.2%) → Side增益归零",
        "   动态接近目标(Δ+1.3dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2164.0,
        "onset_density": 3.4,
        "low_energy": 57.400001525878906
      },
      "ref": {
        "lufs": -7.3,
        "peak": 1.7000000476837158,
        "rms": -9.699999809265137,
        "crest": 11.300000190734863,
        "width": 5.400000095367432,
        "low_pct": 57.900001525878906,
        "mid_pct": 38.5,
        "high_pct": 3.5,
        "centroid": 622.0,
        "bands": {
          "sub": 22.5,
          "bass": 35.5,
          "low_mid": 30.100000381469727,
          "mid": 8.399999618530273,
          "high_mid": 2.5999999046325684,
          "air": 1.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-012811-59aba7/01_Shape of You_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-012811-59aba7/01_Shape of You_20260412/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.8,
        "peak": -0.8999999761581421,
        "rms": -15.300000190734863,
        "crest": 14.399999618530273,
        "width": 7.199999809265137,
        "low_pct": 79.5,
        "mid_pct": 18.5,
        "high_pct": 2.0,
        "centroid": 390.0,
        "bands": {
          "sub": 33.70000076293945,
          "bass": 45.79999923706055,
          "low_mid": 14.199999809265137,
          "mid": 4.300000190734863,
          "high_mid": 1.0,
          "air": 1.0
        }
      },
      "after": {
        "lufs": -11.2,
        "peak": 0.30000001192092896,
        "rms": -13.100000381469727,
        "crest": 13.300000190734863,
        "width": 7.900000095367432,
        "low_pct": 72.0999984741211,
        "mid_pct": 25.0,
        "high_pct": 2.9000000953674316,
        "centroid": 523.0,
        "bands": {
          "sub": 29.299999237060547,
          "bass": 42.79999923706055,
          "low_mid": 18.899999618530273,
          "mid": 6.099999904632568,
          "high_mid": 1.399999976158142,
          "air": 1.399999976158142
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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,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.12299998104572296,
        "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": 0.1264999806880951,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.1480000019073486,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -9.859999656677246,
        "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": 0.47699999809265137,
        "side_gain_db": 0.0,
        "_global_low": 79.5,
        "_global_mid": 18.5,
        "_global_high": 2.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=80% Mid=18% High=2% W=7.2% Crest=14.4",
        "   目标: Low=58% Mid=38% High=4% W=5.4% Crest=11.3",
        "   差值: ΔLow=+22% ΔMid=-20% ΔHigh=-2% ΔW=+1.8% ΔCrest=+3.1",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频接近目标(Δ-2%) → 微量空气感+0.3dB",
        "   LowMid偏少-16%: 600Hz=+0.5dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度接近目标(Δ+1.8%) → Side增益归零",
        "   动态偏大+3.1dB: 压缩阈值=-9.9dB, PC mix=13%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2081.0,
        "onset_density": 3.4,
        "low_energy": 54.20000076293945
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      "ref": {
        "lufs": -7.3,
        "peak": 1.7000000476837158,
        "rms": -9.699999809265137,
        "crest": 11.300000190734863,
        "width": 5.400000095367432,
        "low_pct": 57.900001525878906,
        "mid_pct": 38.5,
        "high_pct": 3.5,
        "centroid": 622.0,
        "bands": {
          "sub": 22.5,
          "bass": 35.5,
          "low_mid": 30.100000381469727,
          "mid": 8.399999618530273,
          "high_mid": 2.5999999046325684,
          "air": 1.0
        }
      }
    }
  ],
  "time": 45.9
}