{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/01_Take Me Home, Country Roads_20260601/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/01_Take Me Home, Country Roads_20260601/suno_mixed_0.mp3",
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        "low_pct": 45.0,
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        "parallel_comp_enabled": true,
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        "_global_mid": 43.29999923706055,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=53% Mid=43% High=4% W=19.4% Crest=13.9",
        "   目标: Low=27% Mid=71% High=2% W=21.6% Crest=14.9",
        "   差值: ΔLow=+26% ΔMid=-28% ΔHigh=+2% ΔW=-2.2% ΔCrest=-1.0",
        "   低频偏多+26%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.3dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏少-15%: 600Hz=+0.4dB",
        "   Mid偏少-13%: 2.5kHz=+0.4dB q=1.0",
        "   宽度偏窄-2.2%: Side=+0.3dB",
        "   动态接近目标(Δ-1.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
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        "confidence": "high",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 2157.0,
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          "low_mid": 48.29999923706055,
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          "air": 0.10000000149011612
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/01_Take Me Home, Country Roads_20260601/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/01_Take Me Home, Country Roads_20260601/suno_mixed_1.mp3",
      "before": {
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        "peak": -1.399999976158142,
        "rms": -15.399999618530273,
        "crest": 14.0,
        "width": 16.100000381469727,
        "low_pct": 53.70000076293945,
        "mid_pct": 42.400001525878906,
        "high_pct": 3.9000000953674316,
        "centroid": 771.0,
        "bands": {
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          "bass": 44.5,
          "low_mid": 32.70000076293945,
          "mid": 9.699999809265137,
          "high_mid": 2.0,
          "air": 1.7999999523162842
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        "lufs": -10.9,
        "peak": 0.20000000298023224,
        "rms": -13.5,
        "crest": 13.600000381469727,
        "width": 16.600000381469727,
        "low_pct": 44.20000076293945,
        "mid_pct": 50.900001525878906,
        "high_pct": 4.900000095367432,
        "centroid": 944.0,
        "bands": {
          "sub": 7.0,
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          "low_mid": 38.0,
          "mid": 12.899999618530273,
          "high_mid": 2.5999999046325684,
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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,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.3869999945163727,
        "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": -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": -1.3040000200271606,
        "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": 0.4679999351501465,
        "side_gain_db": 0.6599999666213989,
        "_global_low": 53.70000076293945,
        "_global_mid": 42.400001525878906,
        "_global_high": 3.9000000953674316
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=54% Mid=42% High=4% W=16.1% Crest=14.0",
        "   目标: Low=27% Mid=71% High=2% W=21.6% Crest=14.9",
        "   差值: ΔLow=+27% ΔMid=-28% ΔHigh=+2% ΔW=-5.5% ΔCrest=-0.9",
        "   低频偏多+27%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.3dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏少-16%: 600Hz=+0.5dB",
        "   Mid偏少-13%: 2.5kHz=+0.4dB q=1.0",
        "   宽度偏窄-5.5%: Side=+0.7dB",
        "   动态接近目标(Δ-0.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 2202.0,
        "onset_density": 4.0,
        "low_energy": 55.0
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      "ref": {
        "lufs": -12.4,
        "peak": -0.800000011920929,
        "rms": -15.699999809265137,
        "crest": 14.899999618530273,
        "width": 21.600000381469727,
        "low_pct": 26.899999618530273,
        "mid_pct": 70.9000015258789,
        "high_pct": 2.200000047683716,
        "centroid": 884.0,
        "bands": {
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          "bass": 26.899999618530273,
          "low_mid": 48.29999923706055,
          "mid": 22.600000381469727,
          "high_mid": 2.0,
          "air": 0.10000000149011612
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      }
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  ],
  "time": 45.6
}