{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260330-230630-792e2c/01_Uptown Funk_20260330/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260330-230630-792e2c/01_Uptown Funk_20260330/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.0,
        "peak": -0.20000000298023224,
        "rms": -14.199999809265137,
        "crest": 14.0,
        "width": 3.5,
        "low_pct": 73.19999694824219,
        "mid_pct": 18.5,
        "high_pct": 8.199999809265137,
        "centroid": 936.0,
        "bands": {
          "sub": 25.899999618530273,
          "bass": 47.29999923706055,
          "low_mid": 7.699999809265137,
          "mid": 10.800000190734863,
          "high_mid": 5.400000095367432,
          "air": 2.799999952316284
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      },
      "after": {
        "lufs": -8.9,
        "peak": 0.20000000298023224,
        "rms": -11.399999618530273,
        "crest": 11.699999809265137,
        "width": 5.0,
        "low_pct": 65.4000015258789,
        "mid_pct": 24.5,
        "high_pct": 10.100000381469727,
        "centroid": 1147.0,
        "bands": {
          "sub": 24.700000762939453,
          "bass": 40.70000076293945,
          "low_mid": 10.399999618530273,
          "mid": 14.100000381469727,
          "high_mid": 6.699999809265137,
          "air": 3.5
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.1151999980211258,
        "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": -0.8899993896484375,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5550003051757812,
        "tight_hz": 120,
        "tight_db": -0.7669998407363892,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.4719999432563782,
        "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": 0.4079999625682831,
        "side_gain_db": 0.3839999735355377,
        "_global_low": 73.19999694824219,
        "_global_mid": 18.5,
        "_global_high": 8.199999809265137
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=73% Mid=18% High=8% W=3.5% Crest=14.0",
        "   目标: Low=64% Mid=33% High=2% W=6.7% Crest=14.3",
        "   差值: ΔLow=+9% ΔMid=-15% ΔHigh=+6% ΔW=-3.2% ΔCrest=-0.3",
        "   低频偏多+9%: 去闷=-0.9dB, 低频增强=0.6dB, 收紧=-0.8dB",
        "   高频偏多+6%: 空气感=-0.3dB",
        "   LowMid偏少-14%: 600Hz=+0.4dB",
        "   Mid接近目标(Δ-1%) → 不调",
        "   Air偏多+2.4%: 空气感再降0.2dB→-0.5dB",
        "   宽度偏窄-3.2%: Side=+0.4dB",
        "   动态接近目标(Δ-0.3dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "high",
        "source": "audio",
        "bpm": 117.5,
        "centroid": 3095.0,
        "onset_density": 5.0,
        "low_energy": 70.80000305175781
      },
      "ref": {
        "lufs": -10.6,
        "peak": 1.100000023841858,
        "rms": -13.199999809265137,
        "crest": 14.300000190734863,
        "width": 6.699999809265137,
        "low_pct": 64.30000305175781,
        "mid_pct": 33.20000076293945,
        "high_pct": 2.4000000953674316,
        "centroid": 542.0,
        "bands": {
          "sub": 8.199999809265137,
          "bass": 56.099998474121094,
          "low_mid": 21.299999237060547,
          "mid": 11.899999618530273,
          "high_mid": 2.0,
          "air": 0.4000000059604645
        }
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-20260330-230630-792e2c/01_Uptown Funk_20260330/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260330-230630-792e2c/01_Uptown Funk_20260330/suno_mixed_1.mp3",
      "before": {
        "lufs": -14.0,
        "peak": -1.100000023841858,
        "rms": -16.700000762939453,
        "crest": 15.5,
        "width": 5.599999904632568,
        "low_pct": 73.69999694824219,
        "mid_pct": 17.200000762939453,
        "high_pct": 9.100000381469727,
        "centroid": 1114.0,
        "bands": {
          "sub": 26.299999237060547,
          "bass": 47.400001525878906,
          "low_mid": 6.400000095367432,
          "mid": 10.800000190734863,
          "high_mid": 3.5999999046325684,
          "air": 5.400000095367432
        }
      },
      "after": {
        "lufs": -10.1,
        "peak": 0.30000001192092896,
        "rms": -13.100000381469727,
        "crest": 13.399999618530273,
        "width": 7.0,
        "low_pct": 67.9000015258789,
        "mid_pct": 21.899999618530273,
        "high_pct": 10.199999809265137,
        "centroid": 1263.0,
        "bands": {
          "sub": 24.100000381469727,
          "bass": 43.79999923706055,
          "low_mid": 8.399999618530273,
          "mid": 13.5,
          "high_mid": 4.199999809265137,
          "air": 6.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "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": -0.9399994015693665,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5300003290176392,
        "tight_hz": 120,
        "tight_db": -0.7819998264312744,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.7699999809265137,
        "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": 0.4469999670982361,
        "side_gain_db": 0.0,
        "_global_low": 73.69999694824219,
        "_global_mid": 17.200000762939453,
        "_global_high": 9.100000381469727
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=74% Mid=17% High=9% W=5.6% Crest=15.5",
        "   目标: Low=64% Mid=33% High=2% W=6.7% Crest=14.3",
        "   差值: ΔLow=+9% ΔMid=-16% ΔHigh=+7% ΔW=-1.1% ΔCrest=+1.2",
        "   低频偏多+9%: 去闷=-0.9dB, 低频增强=0.5dB, 收紧=-0.8dB",
        "   高频偏多+7%: 空气感=-0.4dB",
        "   LowMid偏少-15%: 600Hz=+0.4dB",
        "   Mid接近目标(Δ-1%) → 不调",
        "   Air偏多+5.0%: 空气感再降0.4dB→-0.8dB",
        "   宽度接近目标(Δ-1.1%) → Side增益归零",
        "   动态接近目标(Δ+1.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 117.5,
        "centroid": 3420.0,
        "onset_density": 4.8,
        "low_energy": 63.70000076293945
      },
      "ref": {
        "lufs": -10.6,
        "peak": 1.100000023841858,
        "rms": -13.199999809265137,
        "crest": 14.300000190734863,
        "width": 6.699999809265137,
        "low_pct": 64.30000305175781,
        "mid_pct": 33.20000076293945,
        "high_pct": 2.4000000953674316,
        "centroid": 542.0,
        "bands": {
          "sub": 8.199999809265137,
          "bass": 56.099998474121094,
          "low_mid": 21.299999237060547,
          "mid": 11.899999618530273,
          "high_mid": 2.0,
          "air": 0.4000000059604645
        }
      }
    }
  ],
  "time": 35.0
}