{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/04_Summertime Sadness_Paper_Meridian_20260418/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/04_Summertime Sadness_Paper_Meridian_20260418/suno_mixed_0.mp3",
      "before": {
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        "peak": -1.5,
        "rms": -14.600000381469727,
        "crest": 13.100000381469727,
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        "low_pct": 60.20000076293945,
        "mid_pct": 36.0,
        "high_pct": 3.799999952316284,
        "centroid": 709.0,
        "bands": {
          "sub": 22.700000762939453,
          "bass": 37.5,
          "low_mid": 24.600000381469727,
          "mid": 11.399999618530273,
          "high_mid": 2.5,
          "air": 1.2000000476837158
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      "after": {
        "lufs": -9.3,
        "peak": 0.20000000298023224,
        "rms": -12.100000381469727,
        "crest": 12.300000190734863,
        "width": 13.300000190734863,
        "low_pct": 50.099998474121094,
        "mid_pct": 45.0,
        "high_pct": 4.900000095367432,
        "centroid": 901.0,
        "bands": {
          "sub": 18.399999618530273,
          "bass": 31.700000762939453,
          "low_mid": 29.700000762939453,
          "mid": 15.399999618530273,
          "high_mid": 3.299999952316284,
          "air": 1.600000023841858
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.27000001072883606,
        "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": 0.18300001323223114,
        "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": -1.1630001068115234,
        "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": 0.8999999761581421,
        "_global_low": 60.20000076293945,
        "_global_mid": 36.0,
        "_global_high": 3.799999952316284
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=60% Mid=36% High=4% W=11.0% Crest=13.1",
        "   目标: Low=38% Mid=59% High=3% W=18.5% Crest=12.8",
        "   差值: ΔLow=+22% ΔMid=-23% ΔHigh=+1% ΔW=-7.5% ΔCrest=+0.3",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-17%: 600Hz=+0.5dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-7.5%: Side=+0.9dB",
        "   动态接近目标(Δ+0.3dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 112.3,
        "centroid": 2130.0,
        "onset_density": 2.8,
        "low_energy": 56.599998474121094
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      "ref": {
        "lufs": -9.2,
        "peak": 0.8999999761581421,
        "rms": -11.800000190734863,
        "crest": 12.800000190734863,
        "width": 18.5,
        "low_pct": 38.099998474121094,
        "mid_pct": 58.79999923706055,
        "high_pct": 3.0,
        "centroid": 820.0,
        "bands": {
          "sub": 10.899999618530273,
          "bass": 27.299999237060547,
          "low_mid": 41.29999923706055,
          "mid": 17.5,
          "high_mid": 2.200000047683716,
          "air": 0.800000011920929
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      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/04_Summertime Sadness_Paper_Meridian_20260418/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-162012-16e0ab/04_Summertime Sadness_Paper_Meridian_20260418/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.0,
        "peak": -1.2000000476837158,
        "rms": -14.5,
        "crest": 13.399999618530273,
        "width": 14.399999618530273,
        "low_pct": 60.20000076293945,
        "mid_pct": 33.400001525878906,
        "high_pct": 6.400000095367432,
        "centroid": 853.0,
        "bands": {
          "sub": 23.799999237060547,
          "bass": 36.400001525878906,
          "low_mid": 25.0,
          "mid": 8.399999618530273,
          "high_mid": 3.299999952316284,
          "air": 3.0999999046325684
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      },
      "after": {
        "lufs": -9.1,
        "peak": 0.30000001192092896,
        "rms": -12.0,
        "crest": 12.300000190734863,
        "width": 16.200000762939453,
        "low_pct": 51.79999923706055,
        "mid_pct": 39.79999923706055,
        "high_pct": 8.399999618530273,
        "centroid": 1088.0,
        "bands": {
          "sub": 20.399999618530273,
          "bass": 31.299999237060547,
          "low_mid": 28.0,
          "mid": 11.800000190734863,
          "high_mid": 4.400000095367432,
          "air": 4.0
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.14760002493858337,
        "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": 0.27300000190734863,
        "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": -1.1630001068115234,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.2239999771118164,
        "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": 0.48899996280670166,
        "side_gain_db": 0.4920000433921814,
        "_global_low": 60.20000076293945,
        "_global_mid": 33.400001525878906,
        "_global_high": 6.400000095367432
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=60% Mid=33% High=6% W=14.4% Crest=13.4",
        "   目标: Low=38% Mid=59% High=3% W=18.5% Crest=12.8",
        "   差值: ΔLow=+22% ΔMid=-25% ΔHigh=+3% ΔW=-4.1% ΔCrest=+0.6",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频偏多+3%: 空气感=-0.0dB",
        "   LowMid偏少-16%: 600Hz=+0.5dB",
        "   Mid偏少-9%: 2.5kHz=+0.3dB q=1.0",
        "   Air偏多+2.3%: 空气感再降0.2dB→-0.2dB",
        "   宽度偏窄-4.1%: Side=+0.5dB",
        "   动态接近目标(Δ+0.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 112.3,
        "centroid": 2326.0,
        "onset_density": 3.0,
        "low_energy": 57.5
      },
      "ref": {
        "lufs": -9.2,
        "peak": 0.8999999761581421,
        "rms": -11.800000190734863,
        "crest": 12.800000190734863,
        "width": 18.5,
        "low_pct": 38.099998474121094,
        "mid_pct": 58.79999923706055,
        "high_pct": 3.0,
        "centroid": 820.0,
        "bands": {
          "sub": 10.899999618530273,
          "bass": 27.299999237060547,
          "low_mid": 41.29999923706055,
          "mid": 17.5,
          "high_mid": 2.200000047683716,
          "air": 0.800000011920929
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      }
    }
  ],
  "time": 47.8
}