{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-161812-06826c/02_Forever Young_20260418/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-161812-06826c/02_Forever Young_20260418/suno_mixed_0.mp3",
      "before": {
        "lufs": -14.2,
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        "low_pct": 43.29999923706055,
        "mid_pct": 54.900001525878906,
        "high_pct": 1.7999999523162842,
        "centroid": 597.0,
        "bands": {
          "sub": 7.699999809265137,
          "bass": 35.70000076293945,
          "low_mid": 43.20000076293945,
          "mid": 11.699999809265137,
          "high_mid": 1.2999999523162842,
          "air": 0.4000000059604645
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      },
      "after": {
        "lufs": -10.0,
        "peak": 0.20000000298023224,
        "rms": -13.399999618530273,
        "crest": 13.600000381469727,
        "width": 14.0,
        "low_pct": 35.70000076293945,
        "mid_pct": 62.20000076293945,
        "high_pct": 2.0,
        "centroid": 694.0,
        "bands": {
          "sub": 6.099999904632568,
          "bass": 29.600000381469727,
          "low_mid": 48.20000076293945,
          "mid": 14.0,
          "high_mid": 1.5,
          "air": 0.5
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.18359997868537903,
        "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": -0.2679999768733978,
        "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": -1.2739999294281006,
        "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": 0.6119999289512634,
        "_global_low": 43.29999923706055,
        "_global_mid": 54.900001525878906,
        "_global_high": 1.7999999523162842
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=43% Mid=55% High=2% W=14.2% Crest=14.3",
        "   目标: Low=18% Mid=81% High=1% W=19.3% Crest=16.2",
        "   差值: ΔLow=+26% ΔMid=-26% ΔHigh=+0% ΔW=-5.1% ΔCrest=-1.9",
        "   低频偏多+26%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.3dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-33%: 600Hz=+0.5dB",
        "   Mid偏多+7%: 2.5kHz=-0.3dB q=1.0",
        "   宽度偏窄-5.1%: Side=+0.6dB",
        "   动态接近目标(Δ-1.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2509.0,
        "onset_density": 3.1,
        "low_energy": 37.5
      },
      "ref": {
        "lufs": -13.1,
        "peak": -0.10000000149011612,
        "rms": -16.299999237060547,
        "crest": 16.200000762939453,
        "width": 19.299999237060547,
        "low_pct": 17.5,
        "mid_pct": 81.0999984741211,
        "high_pct": 1.399999976158142,
        "centroid": 538.0,
        "bands": {
          "sub": 0.0,
          "bass": 17.5,
          "low_mid": 76.19999694824219,
          "mid": 5.0,
          "high_mid": 1.100000023841858,
          "air": 0.30000001192092896
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-161812-06826c/02_Forever Young_20260418/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-161812-06826c/02_Forever Young_20260418/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.0,
        "peak": -1.7999999523162842,
        "rms": -16.299999237060547,
        "crest": 14.600000381469727,
        "width": 15.0,
        "low_pct": 37.400001525878906,
        "mid_pct": 55.900001525878906,
        "high_pct": 6.800000190734863,
        "centroid": 1100.0,
        "bands": {
          "sub": 7.599999904632568,
          "bass": 29.700000762939453,
          "low_mid": 37.900001525878906,
          "mid": 18.0,
          "high_mid": 3.700000047683716,
          "air": 3.0
        }
      },
      "after": {
        "lufs": -9.4,
        "peak": 0.20000000298023224,
        "rms": -12.899999618530273,
        "crest": 13.100000381469727,
        "width": 15.399999618530273,
        "low_pct": 31.100000381469727,
        "mid_pct": 61.0,
        "high_pct": 7.800000190734863,
        "centroid": 1244.0,
        "bands": {
          "sub": 6.199999809265137,
          "bass": 24.899999618530273,
          "low_mid": 40.400001525878906,
          "mid": 20.700000762939453,
          "high_mid": 4.300000190734863,
          "air": 3.5
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.15479998290538788,
        "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": -0.5,
        "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": -1.9900001287460327,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.004999935626983643,
        "tight_hz": 120,
        "tight_db": -1.097000002861023,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.45600003004074097,
        "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": 0.5159999132156372,
        "_global_low": 37.400001525878906,
        "_global_mid": 55.900001525878906,
        "_global_high": 6.800000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=37% Mid=56% High=7% W=15.0% Crest=14.6",
        "   目标: Low=18% Mid=81% High=1% W=19.3% Crest=16.2",
        "   差值: ΔLow=+20% ΔMid=-25% ΔHigh=+5% ΔW=-4.3% ΔCrest=-1.6",
        "   低频偏多+20%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频偏多+5%: 空气感=-0.2dB",
        "   LowMid偏少-38%: 600Hz=+0.5dB",
        "   Mid偏多+13%: 2.5kHz=-0.5dB q=1.0",
        "   Air偏多+2.7%: 空气感再降0.2dB→-0.5dB",
        "   宽度偏窄-4.3%: Side=+0.5dB",
        "   动态接近目标(Δ-1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2275.0,
        "onset_density": 2.6,
        "low_energy": 36.400001525878906
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      "ref": {
        "lufs": -13.1,
        "peak": -0.10000000149011612,
        "rms": -16.299999237060547,
        "crest": 16.200000762939453,
        "width": 19.299999237060547,
        "low_pct": 17.5,
        "mid_pct": 81.0999984741211,
        "high_pct": 1.399999976158142,
        "centroid": 538.0,
        "bands": {
          "sub": 0.0,
          "bass": 17.5,
          "low_mid": 76.19999694824219,
          "mid": 5.0,
          "high_mid": 1.100000023841858,
          "air": 0.30000001192092896
        }
      }
    }
  ],
  "time": 46.9
}