{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260403-013304-5facd1/01_thank u, next_Neon_Static_20260403/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260403-013304-5facd1/01_thank u, next_Neon_Static_20260403/suno_mixed_0.mp3",
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        "mid_pct": 16.299999237060547,
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        "side_high_shelf_hz": 10000,
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        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
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        "parallel_comp_release_ms": 150,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=86% Mid=12% High=2% W=2.7% Crest=14.8",
        "   目标: Low=65% Mid=32% High=3% W=9.1% Crest=11.9",
        "   差值: ΔLow=+21% ΔMid=-20% ΔHigh=-1% ΔW=-6.4% ΔCrest=+2.9",
        "   低频偏多+21%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-14%: 600Hz=+0.4dB",
        "   Mid偏少-7%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-6.4%: Side=+0.8dB",
        "   动态接近目标(Δ+2.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 2623.0,
        "onset_density": 3.3,
        "low_energy": 80.4000015258789
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        "lufs": -9.2,
        "peak": 1.2000000476837158,
        "rms": -10.699999809265137,
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        "centroid": 564.0,
        "bands": {
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          "low_mid": 22.0,
          "mid": 10.300000190734863,
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          "air": 1.100000023841858
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    {
      "input": "/srv/music-files/pipeline/batch-20260403-013304-5facd1/01_thank u, next_Neon_Static_20260403/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260403-013304-5facd1/01_thank u, next_Neon_Static_20260403/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.5,
        "peak": 0.0,
        "rms": -14.600000381469727,
        "crest": 14.600000381469727,
        "width": 2.5,
        "low_pct": 72.19999694824219,
        "mid_pct": 24.0,
        "high_pct": 3.799999952316284,
        "centroid": 590.0,
        "bands": {
          "sub": 30.100000381469727,
          "bass": 42.099998474121094,
          "low_mid": 17.399999618530273,
          "mid": 6.599999904632568,
          "high_mid": 1.7000000476837158,
          "air": 2.0
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      "after": {
        "lufs": -11.0,
        "peak": 0.0,
        "rms": -12.5,
        "crest": 12.5,
        "width": 2.9000000953674316,
        "low_pct": 57.900001525878906,
        "mid_pct": 36.20000076293945,
        "high_pct": 5.900000095367432,
        "centroid": 874.0,
        "bands": {
          "sub": 23.5,
          "bass": 34.400001525878906,
          "low_mid": 26.700000762939453,
          "mid": 9.399999618530273,
          "high_mid": 2.5999999046325684,
          "air": 3.4000000953674316
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.23760002851486206,
        "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": 0.11100000888109207,
        "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": -0.7599998712539673,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6200000643730164,
        "tight_hz": 120,
        "tight_db": -0.7279999256134033,
        "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": 0.1380000114440918,
        "side_gain_db": 0.7920000553131104,
        "_global_low": 72.19999694824219,
        "_global_mid": 24.0,
        "_global_high": 3.799999952316284
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=72% Mid=24% High=4% W=2.5% Crest=14.6",
        "   目标: Low=65% Mid=32% High=3% W=9.1% Crest=11.9",
        "   差值: ΔLow=+8% ΔMid=-8% ΔHigh=+1% ΔW=-6.6% ΔCrest=+2.7",
        "   低频偏多+8%: 去闷=-0.8dB, 低频增强=0.6dB, 收紧=-0.7dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-5%: 600Hz=+0.1dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-6.6%: Side=+0.8dB",
        "   动态接近目标(Δ+2.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 107.7,
        "centroid": 2896.0,
        "onset_density": 3.4,
        "low_energy": 77.0999984741211
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      "ref": {
        "lufs": -9.2,
        "peak": 1.2000000476837158,
        "rms": -10.699999809265137,
        "crest": 11.899999618530273,
        "width": 9.100000381469727,
        "low_pct": 64.5999984741211,
        "mid_pct": 32.29999923706055,
        "high_pct": 2.799999952316284,
        "centroid": 564.0,
        "bands": {
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          "bass": 20.0,
          "low_mid": 22.0,
          "mid": 10.300000190734863,
          "high_mid": 1.7000000476837158,
          "air": 1.100000023841858
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      }
    }
  ],
  "time": 30.5
}