{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260402-005404-c09134/03_Mystery of Love_20260402/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260402-005404-c09134/03_Mystery of Love_20260402/suno_mixed_0.mp3",
      "before": {
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        "low_pct": 54.70000076293945,
        "mid_pct": 43.900001525878906,
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        "centroid": 402.0,
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          "low_mid": 41.20000076293945,
          "mid": 2.700000047683716,
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      "adapted_params": {
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        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.5004000067710876,
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        "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": 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,
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        "dull_hz": 300,
        "dull_db": -1.8899997472763062,
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        "air_db": 0.3,
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        "comp_attack_ms": 20,
        "comp_release_ms": 100,
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        "_global_mid": 39.599998474121094,
        "_global_high": 0.800000011920929
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=60% Mid=40% High=1% W=11.3% Crest=14.5",
        "   目标: Low=41% Mid=59% High=0% W=25.2% Crest=15.9",
        "   差值: ΔLow=+19% ΔMid=-20% ΔHigh=+1% ΔW=-13.9% ΔCrest=-1.4",
        "   低频偏多+19%: 去闷=-1.9dB, 低频增强=0.1dB, 收紧=-1.1dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-18%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏窄-13.9%: Side=+1.7dB",
        "   动态接近目标(Δ-1.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "classical",
        "confidence": "low",
        "source": "audio",
        "bpm": 112.3,
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        "onset_density": 3.6,
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        "lufs": -13.7,
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        "centroid": 452.0,
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          "mid": 4.199999809265137,
          "high_mid": 0.10000000149011612,
          "air": 0.0
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    {
      "input": "/srv/music-files/pipeline/batch-20260402-005404-c09134/03_Mystery of Love_20260402/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260402-005404-c09134/03_Mystery of Love_20260402/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -0.699999988079071,
        "rms": -15.0,
        "crest": 14.300000190734863,
        "width": 10.199999809265137,
        "low_pct": 57.599998474121094,
        "mid_pct": 41.29999923706055,
        "high_pct": 1.0,
        "centroid": 327.0,
        "bands": {
          "sub": 4.599999904632568,
          "bass": 53.099998474121094,
          "low_mid": 39.70000076293945,
          "mid": 1.7000000476837158,
          "high_mid": 0.699999988079071,
          "air": 0.20000000298023224
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      "after": {
        "lufs": -10.4,
        "peak": 0.10000000149011612,
        "rms": -12.399999618530273,
        "crest": 12.5,
        "width": 11.899999618530273,
        "low_pct": 55.900001525878906,
        "mid_pct": 42.29999923706055,
        "high_pct": 1.7999999523162842,
        "centroid": 400.0,
        "bands": {
          "sub": 3.0,
          "bass": 53.0,
          "low_mid": 40.29999923706055,
          "mid": 2.0,
          "high_mid": 1.2999999523162842,
          "air": 0.4000000059604645
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.5400000214576721,
        "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": 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": -1.6899998188018799,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.15500009059906006,
        "tight_hz": 120,
        "tight_db": -1.0069999694824219,
        "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": 0.4560000002384186,
        "side_gain_db": 1.8000000715255737,
        "_global_low": 57.599998474121094,
        "_global_mid": 41.29999923706055,
        "_global_high": 1.0
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=58% Mid=41% High=1% W=10.2% Crest=14.3",
        "   目标: Low=41% Mid=59% High=0% W=25.2% Crest=15.9",
        "   差值: ΔLow=+17% ΔMid=-18% ΔHigh=+1% ΔW=-15.0% ΔCrest=-1.6",
        "   低频偏多+17%: 去闷=-1.7dB, 低频增强=0.2dB, 收紧=-1.0dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-15%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏窄-15.0%: Side=+1.8dB",
        "   动态接近目标(Δ-1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rnb",
        "confidence": "medium",
        "source": "audio",
        "bpm": 83.4,
        "centroid": 1048.0,
        "onset_density": 3.4,
        "low_energy": 75.19999694824219
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      "ref": {
        "lufs": -13.7,
        "peak": -0.30000001192092896,
        "rms": -16.200000762939453,
        "crest": 15.899999618530273,
        "width": 25.200000762939453,
        "low_pct": 40.70000076293945,
        "mid_pct": 59.099998474121094,
        "high_pct": 0.10000000149011612,
        "centroid": 452.0,
        "bands": {
          "sub": 2.700000047683716,
          "bass": 38.0,
          "low_mid": 54.900001525878906,
          "mid": 4.199999809265137,
          "high_mid": 0.10000000149011612,
          "air": 0.0
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      }
    }
  ],
  "time": 38.3
}