{
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-165641-70714b/01_唯一（Cover G.E.M. 邓紫棋）_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-165641-70714b/01_唯一（Cover G.E.M. 邓紫棋）_20260512/suno_mixed_0.mp3",
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=55% Mid=43% High=2% W=5.8% Crest=14.3",
        "   目标: Low=24% Mid=75% High=1% W=25.8% Crest=14.8",
        "   差值: ΔLow=+31% ΔMid=-32% ΔHigh=+1% ΔW=-20.0% ΔCrest=-0.5",
        "   低频偏多+31%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.4dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-29%: 600Hz=+0.5dB",
        "   Mid偏少-3%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-20.0%: Side=+2.0dB",
        "   动态接近目标(Δ-0.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "low",
        "source": "audio",
        "bpm": 143.6,
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        "low_energy": 34.5
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          "air": 0.30000001192092896
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-165641-70714b/01_唯一（Cover G.E.M. 邓紫棋）_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-165641-70714b/01_唯一（Cover G.E.M. 邓紫棋）_20260512/suno_mixed_1.mp3",
      "before": {
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        "peak": -1.0,
        "rms": -15.800000190734863,
        "crest": 14.800000190734863,
        "width": 4.800000190734863,
        "low_pct": 57.599998474121094,
        "mid_pct": 40.400001525878906,
        "high_pct": 1.899999976158142,
        "centroid": 538.0,
        "bands": {
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          "bass": 43.900001525878906,
          "low_mid": 29.200000762939453,
          "mid": 11.199999809265137,
          "high_mid": 1.2000000476837158,
          "air": 0.699999988079071
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      "after": {
        "lufs": -11.2,
        "peak": 0.20000000298023224,
        "rms": -13.899999618530273,
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        "low_pct": 46.70000076293945,
        "mid_pct": 50.79999923706055,
        "high_pct": 2.5,
        "centroid": 677.0,
        "bands": {
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          "bass": 36.20000076293945,
          "low_mid": 35.79999923706055,
          "mid": 15.0,
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      "adapted_params": {
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        "side_high_shelf_hz": 6000,
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        "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": -0.20399999618530273,
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        "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": -1.5,
        "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": -1.5,
        "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": 2.0,
        "_global_low": 57.599998474121094,
        "_global_mid": 40.400001525878906,
        "_global_high": 1.899999976158142
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=58% Mid=40% High=2% W=4.8% Crest=14.8",
        "   目标: Low=24% Mid=75% High=1% W=25.8% Crest=14.8",
        "   差值: ΔLow=+34% ΔMid=-35% ΔHigh=+1% ΔW=-21.0% ΔCrest=+0.0",
        "   低频偏多+34%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-40%: 600Hz=+0.5dB",
        "   Mid偏多+5%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏窄-21.0%: Side=+2.0dB",
        "   动态接近目标(Δ+0.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "low",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 1992.0,
        "onset_density": 3.0,
        "low_energy": 34.70000076293945
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        "peak": 0.8999999761581421,
        "rms": -13.899999618530273,
        "crest": 14.800000190734863,
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        "low_pct": 24.100000381469727,
        "mid_pct": 75.19999694824219,
        "high_pct": 0.699999988079071,
        "centroid": 523.0,
        "bands": {
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          "bass": 20.899999618530273,
          "low_mid": 69.0999984741211,
          "mid": 6.099999904632568,
          "high_mid": 0.4000000059604645,
          "air": 0.30000001192092896
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  ],
  "time": 53.7
}