{
  "songs": [
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      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-223414-86e916/01_We've Never Met but Can We Have a Cup of Coffee or Something_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-223414-86e916/01_We've Never Met but Can We Have a Cup of Coffee or Something_20260512/suno_mixed_0.mp3",
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        "side_high_shelf_hz": 6000,
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        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=91% Mid=9% High=0% W=3.5% Crest=13.3",
        "   目标: Low=8% Mid=92% High=0% W=35.9% Crest=18.5",
        "   差值: ΔLow=+83% ΔMid=-83% ΔHigh=+0% ΔW=-32.4% ΔCrest=-5.2",
        "   低频偏多+83%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-82%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ-1%) → 不调",
        "   宽度偏窄-32.4%: Side=+2.0dB",
        "   动态偏小-5.2dB: 压缩阈值=-5.4dB, PC mix=3%"
      ],
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        "confidence": "medium",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 740.0,
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        "centroid": 518.0,
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          "bass": 8.0,
          "low_mid": 88.69999694824219,
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          "air": 0.10000000149011612
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-223414-86e916/01_We've Never Met but Can We Have a Cup of Coffee or Something_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-223414-86e916/01_We've Never Met but Can We Have a Cup of Coffee or Something_20260512/suno_mixed_1.mp3",
      "before": {
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        "rms": -14.899999618530273,
        "crest": 13.600000381469727,
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        "low_pct": 85.5,
        "mid_pct": 14.399999618530273,
        "high_pct": 0.10000000149011612,
        "centroid": 200.0,
        "bands": {
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          "bass": 75.80000305175781,
          "low_mid": 12.399999618530273,
          "mid": 1.899999976158142,
          "high_mid": 0.10000000149011612,
          "air": 0.0
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        "lufs": -12.1,
        "peak": 0.30000001192092896,
        "rms": -13.600000381469727,
        "crest": 13.899999618530273,
        "width": 8.199999809265137,
        "low_pct": 76.5999984741211,
        "mid_pct": 23.299999237060547,
        "high_pct": 0.10000000149011612,
        "centroid": 257.0,
        "bands": {
          "sub": 9.0,
          "bass": 67.5,
          "low_mid": 20.899999618530273,
          "mid": 2.4000000953674316,
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          "air": 0.0
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        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.6,
        "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": 0.031000003218650818,
        "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": -5.550000190734863,
        "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": 0.5,
        "side_gain_db": 2.0,
        "_global_low": 85.5,
        "_global_mid": 14.399999618530273,
        "_global_high": 0.10000000149011612
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=86% Mid=14% High=0% W=3.8% Crest=13.6",
        "   目标: Low=8% Mid=92% High=0% W=35.9% Crest=18.5",
        "   差值: ΔLow=+77% ΔMid=-77% ΔHigh=+0% ΔW=-32.1% ΔCrest=-4.9",
        "   低频偏多+77%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-76%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ-1%) → 不调",
        "   宽度偏窄-32.1%: Side=+2.0dB",
        "   动态偏小-4.9dB: 压缩阈值=-5.6dB, PC mix=3%"
      ],
      "genre": {
        "genre": "rnb",
        "confidence": "medium",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 742.0,
        "onset_density": 3.8,
        "low_energy": 77.30000305175781
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      "ref": {
        "lufs": -15.3,
        "peak": 0.0,
        "rms": -18.399999618530273,
        "crest": 18.5,
        "width": 35.900001525878906,
        "low_pct": 8.100000381469727,
        "mid_pct": 91.80000305175781,
        "high_pct": 0.10000000149011612,
        "centroid": 518.0,
        "bands": {
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          "bass": 8.0,
          "low_mid": 88.69999694824219,
          "mid": 3.0999999046325684,
          "high_mid": 0.0,
          "air": 0.10000000149011612
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      }
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  ],
  "time": 20.3
}