{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260401-223551/03_positions_20260401/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260401-223551/03_positions_20260401/suno_mixed_0.mp3",
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        "low_pct": 62.900001525878906,
        "mid_pct": 31.700000762939453,
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          "low_mid": 25.5,
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      "adapted_params": {
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        "side_high_shelf_hz": 6000,
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        "mid_peak_db": 0,
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        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
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        "dull_db": -2.0,
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        "comp_attack_ms": 20,
        "comp_release_ms": 100,
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        "_global_mid": 22.299999237060547,
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=74% Mid=22% High=3% W=2.5% Crest=14.4",
        "   目标: Low=50% Mid=42% High=8% W=10.9% Crest=13.6",
        "   差值: ΔLow=+24% ΔMid=-20% ΔHigh=-4% ΔW=-8.4% ΔCrest=+0.8",
        "   低频偏多+24%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频偏少-4%: 空气感=+0.7dB",
        "   LowMid偏少-16%: 600Hz=+0.5dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-8.4%: Side=+1.0dB",
        "   动态接近目标(Δ+0.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "medium",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 3041.0,
        "onset_density": 2.9,
        "low_energy": 65.0
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      "ref": {
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          "mid": 7.699999809265137,
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          "air": 3.9000000953674316
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    {
      "input": "/srv/music-files/pipeline/batch-20260401-223551/03_positions_20260401/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260401-223551/03_positions_20260401/suno_mixed_1.mp3",
      "before": {
        "lufs": -14.3,
        "peak": -1.5,
        "rms": -14.899999618530273,
        "crest": 13.399999618530273,
        "width": 5.599999904632568,
        "low_pct": 74.9000015258789,
        "mid_pct": 23.200000762939453,
        "high_pct": 1.899999976158142,
        "centroid": 318.0,
        "bands": {
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          "bass": 23.200000762939453,
          "low_mid": 21.100000381469727,
          "mid": 2.0999999046325684,
          "high_mid": 1.2000000476837158,
          "air": 0.699999988079071
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      "after": {
        "lufs": -11.6,
        "peak": 0.10000000149011612,
        "rms": -12.800000190734863,
        "crest": 12.800000190734863,
        "width": 7.0,
        "low_pct": 65.0999984741211,
        "mid_pct": 31.700000762939453,
        "high_pct": 3.0999999046325684,
        "centroid": 473.0,
        "bands": {
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          "bass": 19.700000762939453,
          "low_mid": 28.399999618530273,
          "mid": 3.299999952316284,
          "high_mid": 1.899999976158142,
          "air": 1.2000000476837158
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.1907999962568283,
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        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
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        "mid_snap_hz": 2500,
        "mid_snap_db": 0.1679999977350235,
        "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": -1.2380000352859497,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.8799999952316284,
        "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": 0.3959999680519104,
        "side_gain_db": 0.6359999775886536,
        "_global_low": 74.9000015258789,
        "_global_mid": 23.200000762939453,
        "_global_high": 1.899999976158142
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=75% Mid=23% High=2% W=5.6% Crest=13.4",
        "   目标: Low=50% Mid=42% High=8% W=10.9% Crest=13.6",
        "   差值: ΔLow=+25% ΔMid=-19% ΔHigh=-6% ΔW=-5.3% ΔCrest=-0.2",
        "   低频偏多+25%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频偏少-6%: 空气感=+0.9dB",
        "   LowMid偏少-13%: 600Hz=+0.4dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-5.3%: Side=+0.6dB",
        "   动态接近目标(Δ-0.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 2671.0,
        "onset_density": 3.3,
        "low_energy": 74.0
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      "ref": {
        "lufs": -7.9,
        "peak": 3.5999999046325684,
        "rms": -10.0,
        "crest": 13.600000381469727,
        "width": 10.899999618530273,
        "low_pct": 50.29999923706055,
        "mid_pct": 42.099998474121094,
        "high_pct": 7.699999809265137,
        "centroid": 1007.0,
        "bands": {
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          "bass": 25.100000381469727,
          "low_mid": 34.29999923706055,
          "mid": 7.699999809265137,
          "high_mid": 3.700000047683716,
          "air": 3.9000000953674316
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      }
    }
  ],
  "time": 90.2
}