{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260331-002922/01_Cruel Summer_20260331/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260331-002922/01_Cruel Summer_20260331/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.8,
        "peak": -0.20000000298023224,
        "rms": -15.5,
        "crest": 15.300000190734863,
        "width": 10.800000190734863,
        "low_pct": 68.80000305175781,
        "mid_pct": 22.200000762939453,
        "high_pct": 9.0,
        "centroid": 1028.0,
        "bands": {
          "sub": 15.699999809265137,
          "bass": 53.099998474121094,
          "low_mid": 17.899999618530273,
          "mid": 4.199999809265137,
          "high_mid": 3.200000047683716,
          "air": 5.800000190734863
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      },
      "after": {
        "lufs": -9.3,
        "peak": 0.10000000149011612,
        "rms": -12.600000381469727,
        "crest": 12.699999809265137,
        "width": 16.399999618530273,
        "low_pct": 58.20000076293945,
        "mid_pct": 29.799999237060547,
        "high_pct": 12.0,
        "centroid": 1344.0,
        "bands": {
          "sub": 14.699999809265137,
          "bass": 43.5,
          "low_mid": 23.299999237060547,
          "mid": 6.599999904632568,
          "high_mid": 4.5,
          "air": 7.5
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.5579999685287476,
        "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": 0.42000001668930054,
        "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": -1.7400001287460327,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.12999993562698364,
        "tight_hz": 120,
        "tight_db": -1.0220000743865967,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.7060000896453857,
        "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": 0.2940000295639038,
        "side_gain_db": 1.8599998950958252,
        "_global_low": 68.80000305175781,
        "_global_mid": 22.200000762939453,
        "_global_high": 9.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=69% Mid=22% High=9% W=10.8% Crest=15.3",
        "   目标: Low=51% Mid=46% High=3% W=26.3% Crest=12.8",
        "   差值: ΔLow=+17% ΔMid=-24% ΔHigh=+6% ΔW=-15.5% ΔCrest=+2.5",
        "   低频偏多+17%: 去闷=-1.7dB, 低频增强=0.1dB, 收紧=-1.0dB",
        "   高频偏多+6%: 空气感=-0.3dB",
        "   LowMid偏少-10%: 600Hz=+0.3dB",
        "   Mid偏少-14%: 2.5kHz=+0.4dB q=1.0",
        "   Air偏多+4.7%: 空气感再降0.4dB→-0.7dB",
        "   宽度偏窄-15.5%: Side=+1.9dB",
        "   动态接近目标(Δ+2.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 172.3,
        "centroid": 3502.0,
        "onset_density": 5.1,
        "low_energy": 57.5
      },
      "ref": {
        "lufs": -8.7,
        "peak": 1.7999999523162842,
        "rms": -11.0,
        "crest": 12.800000190734863,
        "width": 26.299999237060547,
        "low_pct": 51.400001525878906,
        "mid_pct": 46.0,
        "high_pct": 2.700000047683716,
        "centroid": 743.0,
        "bands": {
          "sub": 5.900000095367432,
          "bass": 45.5,
          "low_mid": 27.700000762939453,
          "mid": 18.200000762939453,
          "high_mid": 1.600000023841858,
          "air": 1.100000023841858
        }
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-20260331-002922/01_Cruel Summer_20260331/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260331-002922/01_Cruel Summer_20260331/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.7,
        "peak": -0.10000000149011612,
        "rms": -15.199999809265137,
        "crest": 15.199999809265137,
        "width": 11.399999618530273,
        "low_pct": 71.5999984741211,
        "mid_pct": 22.100000381469727,
        "high_pct": 6.300000190734863,
        "centroid": 791.0,
        "bands": {
          "sub": 16.5,
          "bass": 55.099998474121094,
          "low_mid": 17.700000762939453,
          "mid": 4.400000095367432,
          "high_mid": 2.700000047683716,
          "air": 3.5999999046325684
        }
      },
      "after": {
        "lufs": -9.5,
        "peak": 0.0,
        "rms": -12.5,
        "crest": 12.600000381469727,
        "width": 17.299999237060547,
        "low_pct": 60.29999923706055,
        "mid_pct": 30.600000381469727,
        "high_pct": 9.199999809265137,
        "centroid": 1110.0,
        "bands": {
          "sub": 14.899999618530273,
          "bass": 45.400001525878906,
          "low_mid": 23.299999237060547,
          "mid": 7.300000190734863,
          "high_mid": 4.099999904632568,
          "air": 5.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.5363999605178833,
        "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": 0.4140000343322754,
        "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": -1.1059999465942383,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.25999999046325684,
        "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": 0.29999998211860657,
        "side_gain_db": 1.7879998683929443,
        "_global_low": 71.5999984741211,
        "_global_mid": 22.100000381469727,
        "_global_high": 6.300000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=72% Mid=22% High=6% W=11.4% Crest=15.2",
        "   目标: Low=51% Mid=46% High=3% W=26.3% Crest=12.8",
        "   差值: ΔLow=+20% ΔMid=-24% ΔHigh=+4% ΔW=-14.9% ΔCrest=+2.4",
        "   低频偏多+20%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频偏多+4%: 空气感=-0.1dB",
        "   LowMid偏少-10%: 600Hz=+0.3dB",
        "   Mid偏少-14%: 2.5kHz=+0.4dB q=1.0",
        "   Air偏多+2.5%: 空气感再降0.2dB→-0.3dB",
        "   宽度偏窄-14.9%: Side=+1.8dB",
        "   动态接近目标(Δ+2.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 172.3,
        "centroid": 2959.0,
        "onset_density": 4.9,
        "low_energy": 63.099998474121094
      },
      "ref": {
        "lufs": -8.7,
        "peak": 1.7999999523162842,
        "rms": -11.0,
        "crest": 12.800000190734863,
        "width": 26.299999237060547,
        "low_pct": 51.400001525878906,
        "mid_pct": 46.0,
        "high_pct": 2.700000047683716,
        "centroid": 743.0,
        "bands": {
          "sub": 5.900000095367432,
          "bass": 45.5,
          "low_mid": 27.700000762939453,
          "mid": 18.200000762939453,
          "high_mid": 1.600000023841858,
          "air": 1.100000023841858
        }
      }
    }
  ],
  "time": 28.2
}