{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260405-154439/03_自由飞翔_20260405/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260405-154439/03_自由飞翔_20260405/suno_mixed_0.mp3",
      "before": {
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        "rms": -12.0,
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        "low_pct": 62.70000076293945,
        "mid_pct": 31.5,
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        "centroid": 900.0,
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          "bass": 39.099998474121094,
          "low_mid": 19.899999618530273,
          "mid": 11.600000381469727,
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.3492000102996826,
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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": 0.3839999735355377,
        "mid_snap_q": 1.0,
        "parallel_comp_enabled": true,
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        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
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        "tight_q": 1.5,
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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": 21.600000381469727,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=74% Mid=22% High=4% W=6.9% Crest=14.8",
        "   目标: Low=46% Mid=50% High=3% W=16.6% Crest=12.7",
        "   差值: ΔLow=+28% ΔMid=-29% ΔHigh=+1% ΔW=-9.7% ΔCrest=+2.1",
        "   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-16%: 600Hz=+0.5dB",
        "   Mid偏少-13%: 2.5kHz=+0.4dB q=1.0",
        "   宽度偏窄-9.7%: Side=+1.2dB",
        "   动态接近目标(Δ+2.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2920.0,
        "onset_density": 4.2,
        "low_energy": 60.0
      },
      "ref": {
        "lufs": -7.6,
        "peak": 2.4000000953674316,
        "rms": -10.300000190734863,
        "crest": 12.699999809265137,
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        "high_pct": 3.200000047683716,
        "centroid": 831.0,
        "bands": {
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          "bass": 34.79999923706055,
          "low_mid": 29.899999618530273,
          "mid": 20.399999618530273,
          "high_mid": 2.4000000953674316,
          "air": 0.8999999761581421
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    {
      "input": "/srv/music-files/pipeline/batch-20260405-154439/03_自由飞翔_20260405/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260405-154439/03_自由飞翔_20260405/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -1.2000000476837158,
        "rms": -15.899999618530273,
        "crest": 14.800000190734863,
        "width": 10.699999809265137,
        "low_pct": 68.30000305175781,
        "mid_pct": 26.5,
        "high_pct": 5.199999809265137,
        "centroid": 789.0,
        "bands": {
          "sub": 20.100000381469727,
          "bass": 48.20000076293945,
          "low_mid": 18.399999618530273,
          "mid": 8.100000381469727,
          "high_mid": 2.4000000953674316,
          "air": 2.700000047683716
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      "after": {
        "lufs": -9.4,
        "peak": 0.0,
        "rms": -12.699999809265137,
        "crest": 12.699999809265137,
        "width": 12.300000190734863,
        "low_pct": 59.5,
        "mid_pct": 33.900001525878906,
        "high_pct": 6.599999904632568,
        "centroid": 996.0,
        "bands": {
          "sub": 18.799999237060547,
          "bass": 40.70000076293945,
          "low_mid": 22.299999237060547,
          "mid": 11.5,
          "high_mid": 3.200000047683716,
          "air": 3.4000000953674316
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.21240003407001495,
        "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": 0.3689999580383301,
        "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": 0.0,
        "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": -1.1720000505447388,
        "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": 0.3449999988079071,
        "side_gain_db": 0.7080000638961792,
        "_global_low": 68.30000305175781,
        "_global_mid": 26.5,
        "_global_high": 5.199999809265137
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=68% Mid=26% High=5% W=10.7% Crest=14.8",
        "   目标: Low=46% Mid=50% High=3% W=16.6% Crest=12.7",
        "   差值: ΔLow=+22% ΔMid=-24% ΔHigh=+2% ΔW=-5.9% ΔCrest=+2.1",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏少-12%: 600Hz=+0.3dB",
        "   Mid偏少-12%: 2.5kHz=+0.4dB q=1.0",
        "   宽度偏窄-5.9%: Side=+0.7dB",
        "   动态接近目标(Δ+2.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2801.0,
        "onset_density": 3.7,
        "low_energy": 45.79999923706055
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      "ref": {
        "lufs": -7.6,
        "peak": 2.4000000953674316,
        "rms": -10.300000190734863,
        "crest": 12.699999809265137,
        "width": 16.600000381469727,
        "low_pct": 45.900001525878906,
        "mid_pct": 50.29999923706055,
        "high_pct": 3.200000047683716,
        "centroid": 831.0,
        "bands": {
          "sub": 11.100000381469727,
          "bass": 34.79999923706055,
          "low_mid": 29.899999618530273,
          "mid": 20.399999618530273,
          "high_mid": 2.4000000953674316,
          "air": 0.8999999761581421
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      }
    }
  ],
  "time": 32.6
}