{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-021603-4cbf93/01_Empty Love_20260412/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-021603-4cbf93/01_Empty Love_20260412/suno_mixed_0.mp3",
      "before": {
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        "centroid": 449.0,
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          "mid": 5.0,
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          "air": 1.5
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      "after": {
        "lufs": -10.3,
        "peak": 0.20000000298023224,
        "rms": -11.899999618530273,
        "crest": 12.100000381469727,
        "width": 9.199999809265137,
        "low_pct": 75.69999694824219,
        "mid_pct": 20.799999237060547,
        "high_pct": 3.4000000953674316,
        "centroid": 562.0,
        "bands": {
          "sub": 40.79999923706055,
          "bass": 34.900001525878906,
          "low_mid": 14.199999809265137,
          "mid": 6.699999809265137,
          "high_mid": 1.5,
          "air": 1.899999976158142
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.3059999644756317,
        "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": 1000,
        "mid_snap_db": 0.0,
        "mid_snap_q": 0.5,
        "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": -1.3000000715255737,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.34999996423721313,
        "tight_hz": 120,
        "tight_db": -0.8899999856948853,
        "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": 0.36299997568130493,
        "side_gain_db": 1.0199998617172241,
        "_global_low": 81.0999984741211,
        "_global_mid": 16.200000762939453,
        "_global_high": 2.700000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=81% Mid=16% High=3% W=8.3% Crest=14.3",
        "   目标: Low=68% Mid=31% High=1% W=16.8% Crest=12.7",
        "   差值: ΔLow=+13% ΔMid=-14% ΔHigh=+2% ΔW=-8.5% ΔCrest=+1.6",
        "   低频偏多+13%: 去闷=-1.3dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏少-12%: 600Hz=+0.4dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏窄-8.5%: Side=+1.0dB",
        "   动态接近目标(Δ+1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 95.7,
        "centroid": 2689.0,
        "onset_density": 4.2,
        "low_energy": 73.5
      },
      "ref": {
        "lufs": -8.5,
        "peak": 1.899999976158142,
        "rms": -10.699999809265137,
        "crest": 12.699999809265137,
        "width": 16.799999237060547,
        "low_pct": 68.0999984741211,
        "mid_pct": 30.700000762939453,
        "high_pct": 1.2000000476837158,
        "centroid": 387.0,
        "bands": {
          "sub": 25.0,
          "bass": 43.099998474121094,
          "low_mid": 23.299999237060547,
          "mid": 7.300000190734863,
          "high_mid": 0.699999988079071,
          "air": 0.5
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-021603-4cbf93/01_Empty Love_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-021603-4cbf93/01_Empty Love_20260412/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.7,
        "peak": -1.0,
        "rms": -14.300000190734863,
        "crest": 13.199999809265137,
        "width": 4.800000190734863,
        "low_pct": 74.9000015258789,
        "mid_pct": 21.700000762939453,
        "high_pct": 3.299999952316284,
        "centroid": 526.0,
        "bands": {
          "sub": 17.399999618530273,
          "bass": 57.5,
          "low_mid": 16.600000381469727,
          "mid": 5.099999904632568,
          "high_mid": 2.0999999046325684,
          "air": 1.2999999523162842
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      },
      "after": {
        "lufs": -9.9,
        "peak": 0.0,
        "rms": -11.600000381469727,
        "crest": 11.600000381469727,
        "width": 6.800000190734863,
        "low_pct": 63.599998474121094,
        "mid_pct": 31.299999237060547,
        "high_pct": 5.099999904632568,
        "centroid": 736.0,
        "bands": {
          "sub": 16.299999237060547,
          "bass": 47.29999923706055,
          "low_mid": 23.600000381469727,
          "mid": 7.699999809265137,
          "high_mid": 3.200000047683716,
          "air": 1.899999976158142
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.43199995160102844,
        "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": 1000,
        "mid_snap_db": 0.0,
        "mid_snap_q": 0.5,
        "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": -0.6800003051757812,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6599998474121094,
        "tight_hz": 120,
        "tight_db": -0.7040001153945923,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.09000001847743988,
        "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": 0.20099996030330658,
        "side_gain_db": 1.4399998188018799,
        "_global_low": 74.9000015258789,
        "_global_mid": 21.700000762939453,
        "_global_high": 3.299999952316284
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=75% Mid=22% High=3% W=4.8% Crest=13.2",
        "   目标: Low=68% Mid=31% High=1% W=16.8% Crest=12.7",
        "   差值: ΔLow=+7% ΔMid=-9% ΔHigh=+2% ΔW=-12.0% ΔCrest=+0.5",
        "   低频偏多+7%: 去闷=-0.7dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频偏多+2%: 空气感=0.1dB",
        "   LowMid偏少-7%: 600Hz=+0.2dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏窄-12.0%: Side=+1.4dB",
        "   动态接近目标(Δ+0.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 95.7,
        "centroid": 2541.0,
        "onset_density": 4.2,
        "low_energy": 73.0
      },
      "ref": {
        "lufs": -8.5,
        "peak": 1.899999976158142,
        "rms": -10.699999809265137,
        "crest": 12.699999809265137,
        "width": 16.799999237060547,
        "low_pct": 68.0999984741211,
        "mid_pct": 30.700000762939453,
        "high_pct": 1.2000000476837158,
        "centroid": 387.0,
        "bands": {
          "sub": 25.0,
          "bass": 43.099998474121094,
          "low_mid": 23.299999237060547,
          "mid": 7.300000190734863,
          "high_mid": 0.699999988079071,
          "air": 0.5
        }
      }
    }
  ],
  "time": 39.7
}