{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-161620-cc52f5/02_La La Lost You_20260418/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-161620-cc52f5/02_La La Lost You_20260418/suno_mixed_0.mp3",
      "before": {
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        "centroid": 408.0,
        "bands": {
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          "bass": 53.70000076293945,
          "low_mid": 22.899999618530273,
          "mid": 6.599999904632568,
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          "air": 0.30000001192092896
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      "after": {
        "lufs": -10.8,
        "peak": 0.0,
        "rms": -13.100000381469727,
        "crest": 13.100000381469727,
        "width": 10.300000190734863,
        "low_pct": 61.70000076293945,
        "mid_pct": 36.70000076293945,
        "high_pct": 1.7000000476837158,
        "centroid": 497.0,
        "bands": {
          "sub": 16.799999237060547,
          "bass": 44.79999923706055,
          "low_mid": 28.299999237060547,
          "mid": 8.399999618530273,
          "high_mid": 1.2999999523162842,
          "air": 0.30000001192092896
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.5615999698638916,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.15600000321865082,
        "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": -1.420000433921814,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.289999783039093,
        "tight_hz": 120,
        "tight_db": -0.9260001182556152,
        "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": 0.2549999952316284,
        "side_gain_db": 1.8719998598098755,
        "_global_low": 69.30000305175781,
        "_global_mid": 29.5,
        "_global_high": 1.2999999523162842
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=69% Mid=30% High=1% W=7.8% Crest=14.0",
        "   目标: Low=55% Mid=43% High=2% W=23.4% Crest=13.1",
        "   差值: ΔLow=+14% ΔMid=-14% ΔHigh=-0% ΔW=-15.6% ΔCrest=+0.9",
        "   低频偏多+14%: 去闷=-1.4dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏少-8%: 600Hz=+0.3dB",
        "   Mid偏少-5%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-15.6%: Side=+1.9dB",
        "   动态接近目标(Δ+0.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 2186.0,
        "onset_density": 3.5,
        "low_energy": 51.70000076293945
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      "ref": {
        "lufs": -8.9,
        "peak": 2.0999999046325684,
        "rms": -11.0,
        "crest": 13.100000381469727,
        "width": 23.399999618530273,
        "low_pct": 55.099998474121094,
        "mid_pct": 43.099998474121094,
        "high_pct": 1.7000000476837158,
        "centroid": 574.0,
        "bands": {
          "sub": 24.600000381469727,
          "bass": 30.5,
          "low_mid": 31.399999618530273,
          "mid": 11.800000190734863,
          "high_mid": 1.0,
          "air": 0.699999988079071
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-161620-cc52f5/02_La La Lost You_20260418/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-161620-cc52f5/02_La La Lost You_20260418/suno_mixed_1.mp3",
      "before": {
        "lufs": -14.1,
        "peak": -1.7000000476837158,
        "rms": -16.0,
        "crest": 14.300000190734863,
        "width": 7.699999809265137,
        "low_pct": 62.099998474121094,
        "mid_pct": 35.29999923706055,
        "high_pct": 2.5999999046325684,
        "centroid": 527.0,
        "bands": {
          "sub": 5.199999809265137,
          "bass": 56.900001525878906,
          "low_mid": 30.200000762939453,
          "mid": 5.099999904632568,
          "high_mid": 1.600000023841858,
          "air": 1.0
        }
      },
      "after": {
        "lufs": -10.6,
        "peak": 0.0,
        "rms": -12.800000190734863,
        "crest": 12.800000190734863,
        "width": 11.399999618530273,
        "low_pct": 52.29999923706055,
        "mid_pct": 43.900001525878906,
        "high_pct": 3.799999952316284,
        "centroid": 676.0,
        "bands": {
          "sub": 6.0,
          "bass": 46.29999923706055,
          "low_mid": 37.599998474121094,
          "mid": 6.199999809265137,
          "high_mid": 2.200000047683716,
          "air": 1.600000023841858
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.5652000308036804,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.20100000500679016,
        "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": -0.699999988079071,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6499999761581421,
        "tight_hz": 120,
        "tight_db": -0.7099999785423279,
        "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": 0.0,
        "side_gain_db": 1.8839999437332153,
        "_global_low": 62.099998474121094,
        "_global_mid": 35.29999923706055,
        "_global_high": 2.5999999046325684
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=62% Mid=35% High=3% W=7.7% Crest=14.3",
        "   目标: Low=55% Mid=43% High=2% W=23.4% Crest=13.1",
        "   差值: ΔLow=+7% ΔMid=-8% ΔHigh=+1% ΔW=-15.7% ΔCrest=+1.2",
        "   低频偏多+7%: 去闷=-0.7dB, 低频增强=0.6dB, 收紧=-0.7dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid接近目标(Δ-1%) → 不调",
        "   Mid偏少-7%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-15.7%: Side=+1.9dB",
        "   动态接近目标(Δ+1.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 2002.0,
        "onset_density": 3.7,
        "low_energy": 55.5
      },
      "ref": {
        "lufs": -8.9,
        "peak": 2.0999999046325684,
        "rms": -11.0,
        "crest": 13.100000381469727,
        "width": 23.399999618530273,
        "low_pct": 55.099998474121094,
        "mid_pct": 43.099998474121094,
        "high_pct": 1.7000000476837158,
        "centroid": 574.0,
        "bands": {
          "sub": 24.600000381469727,
          "bass": 30.5,
          "low_mid": 31.399999618530273,
          "mid": 11.800000190734863,
          "high_mid": 1.0,
          "air": 0.699999988079071
        }
      }
    }
  ],
  "time": 37.1
}