{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-145219-ef6f7f/02_孤独的牧羊人_20260507/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-145219-ef6f7f/02_孤独的牧羊人_20260507/suno_mixed_0.mp3",
      "before": {
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        "low_pct": 46.29999923706055,
        "mid_pct": 48.599998474121094,
        "high_pct": 5.099999904632568,
        "centroid": 1086.0,
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          "mid": 24.299999237060547,
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      "adapted_params": {
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        "side_high_shelf_hz": 6000,
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        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
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        "mid_kick_q": 1.0,
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        "mid_snap_db": 0.09300000965595245,
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        "parallel_comp_enabled": true,
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        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
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        "pre_gain_db": -1.5,
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        "dull_db": -2.0,
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        "air_db": 0.3,
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        "comp_release_ms": 100,
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        "mp3_bitrate": 320,
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        "_global_mid": 36.900001525878906,
        "_global_high": 3.9000000953674316
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=59% Mid=37% High=4% W=10.4% Crest=13.9",
        "   目标: Low=31% Mid=66% High=3% W=23.3% Crest=14.0",
        "   差值: ΔLow=+28% ΔMid=-29% ΔHigh=+1% ΔW=-12.9% ΔCrest=-0.1",
        "   低频偏多+28%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.3dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-26%: 600Hz=+0.5dB",
        "   Mid偏少-3%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-12.9%: Side=+1.5dB",
        "   动态接近目标(Δ-0.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "medium",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 2507.0,
        "onset_density": 3.0,
        "low_energy": 49.79999923706055
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        "peak": 1.600000023841858,
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        "crest": 14.0,
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        "low_pct": 31.0,
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        "high_pct": 2.799999952316284,
        "centroid": 972.0,
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          "bass": 30.899999618530273,
          "low_mid": 44.599998474121094,
          "mid": 21.5,
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          "air": 0.10000000149011612
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    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-145219-ef6f7f/02_孤独的牧羊人_20260507/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-145219-ef6f7f/02_孤独的牧羊人_20260507/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.9,
        "peak": -2.0,
        "rms": -15.5,
        "crest": 13.5,
        "width": 10.100000381469727,
        "low_pct": 56.29999923706055,
        "mid_pct": 39.20000076293945,
        "high_pct": 4.5,
        "centroid": 865.0,
        "bands": {
          "sub": 17.299999237060547,
          "bass": 39.0,
          "low_mid": 24.100000381469727,
          "mid": 15.100000381469727,
          "high_mid": 2.799999952316284,
          "air": 1.7000000476837158
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      "after": {
        "lufs": -10.0,
        "peak": 0.20000000298023224,
        "rms": -13.0,
        "crest": 13.199999809265137,
        "width": 13.100000381469727,
        "low_pct": 45.79999923706055,
        "mid_pct": 48.5,
        "high_pct": 5.599999904632568,
        "centroid": 1063.0,
        "bands": {
          "sub": 13.100000381469727,
          "bass": 32.79999923706055,
          "low_mid": 29.299999237060547,
          "mid": 19.200000762939453,
          "high_mid": 3.5,
          "air": 2.0999999046325684
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      "adapted_params": {
        "side_hp_hz": 120,
        "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": 0.19199998676776886,
        "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": -1.2589999437332153,
        "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": 1.5839998722076416,
        "_global_low": 56.29999923706055,
        "_global_mid": 39.20000076293945,
        "_global_high": 4.5
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=56% Mid=39% High=4% W=10.1% Crest=13.5",
        "   目标: Low=31% Mid=66% High=3% W=23.3% Crest=14.0",
        "   差值: ΔLow=+25% ΔMid=-27% ΔHigh=+2% ΔW=-13.2% ΔCrest=-0.5",
        "   低频偏多+25%: 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-20%: 600Hz=+0.5dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-13.2%: Side=+1.6dB",
        "   动态接近目标(Δ-0.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 2586.0,
        "onset_density": 3.8,
        "low_energy": 55.79999923706055
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      "ref": {
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        "peak": 1.600000023841858,
        "rms": -12.399999618530273,
        "crest": 14.0,
        "width": 23.299999237060547,
        "low_pct": 31.0,
        "mid_pct": 66.0999984741211,
        "high_pct": 2.799999952316284,
        "centroid": 972.0,
        "bands": {
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          "bass": 30.899999618530273,
          "low_mid": 44.599998474121094,
          "mid": 21.5,
          "high_mid": 2.700000047683716,
          "air": 0.10000000149011612
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      }
    }
  ],
  "time": 37.1
}