{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260422-150436-869a80/06_不染_雁过霜河_20260422/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260422-150436-869a80/06_不染_雁过霜河_20260422/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.8,
        "peak": -2.200000047683716,
        "rms": -16.799999237060547,
        "crest": 14.600000381469727,
        "width": 14.600000381469727,
        "low_pct": 25.600000381469727,
        "mid_pct": 69.19999694824219,
        "high_pct": 5.099999904632568,
        "centroid": 1238.0,
        "bands": {
          "sub": 6.699999809265137,
          "bass": 18.899999618530273,
          "low_mid": 32.5,
          "mid": 36.70000076293945,
          "high_mid": 3.4000000953674316,
          "air": 1.7999999523162842
        }
      },
      "after": {
        "lufs": -9.8,
        "peak": 0.20000000298023224,
        "rms": -12.800000190734863,
        "crest": 13.0,
        "width": 13.600000381469727,
        "low_pct": 22.899999618530273,
        "mid_pct": 71.9000015258789,
        "high_pct": 5.199999809265137,
        "centroid": 1223.0,
        "bands": {
          "sub": 5.199999809265137,
          "bass": 17.700000762939453,
          "low_mid": 37.5,
          "mid": 34.400001525878906,
          "high_mid": 3.299999952316284,
          "air": 1.899999976158142
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.3,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.3,
        "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": -0.3,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
        "tight_hz": 120,
        "tight_db": -0.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.02000001072883606,
        "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": 0.0,
        "_global_low": 25.600000381469727,
        "_global_mid": 69.19999694824219,
        "_global_high": 5.099999904632568
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=26% Mid=69% High=5% W=14.6% Crest=14.6",
        "   目标: Low=27% Mid=70% High=2% W=13.5% Crest=15.4",
        "   差值: ΔLow=-2% ΔMid=-1% ΔHigh=+3% ΔW=+1.1% ΔCrest=-0.8",
        "   低频接近目标(Δ-2%) → 微调模式",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏少-19%: 600Hz=+0.5dB",
        "   Mid偏多+18%: 2.5kHz=-0.5dB q=1.0",
        "   宽度接近目标(Δ+1.1%) → Side增益归零",
        "   动态接近目标(Δ-0.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2449.0,
        "onset_density": 2.8,
        "low_energy": 33.79999923706055
      },
      "ref": {
        "lufs": -9.9,
        "peak": 2.0,
        "rms": -13.399999618530273,
        "crest": 15.399999618530273,
        "width": 13.5,
        "low_pct": 27.200000762939453,
        "mid_pct": 70.30000305175781,
        "high_pct": 2.299999952316284,
        "centroid": 776.0,
        "bands": {
          "sub": 1.899999976158142,
          "bass": 25.399999618530273,
          "low_mid": 51.79999923706055,
          "mid": 18.5,
          "high_mid": 1.7999999523162842,
          "air": 0.5
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260422-150436-869a80/06_不染_雁过霜河_20260422/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260422-150436-869a80/06_不染_雁过霜河_20260422/suno_mixed_1.mp3",
      "before": {
        "lufs": -11.5,
        "peak": -1.100000023841858,
        "rms": -14.5,
        "crest": 13.399999618530273,
        "width": 16.799999237060547,
        "low_pct": 49.099998474121094,
        "mid_pct": 47.20000076293945,
        "high_pct": 3.5999999046325684,
        "centroid": 825.0,
        "bands": {
          "sub": 13.5,
          "bass": 35.599998474121094,
          "low_mid": 27.399999618530273,
          "mid": 19.899999618530273,
          "high_mid": 3.299999952316284,
          "air": 0.30000001192092896
        }
      },
      "after": {
        "lufs": -8.5,
        "peak": 0.20000000298023224,
        "rms": -11.699999809265137,
        "crest": 11.899999618530273,
        "width": 15.600000381469727,
        "low_pct": 39.29999923706055,
        "mid_pct": 56.400001525878906,
        "high_pct": 4.199999809265137,
        "centroid": 965.0,
        "bands": {
          "sub": 9.5,
          "bass": 29.799999237060547,
          "low_mid": 32.599998474121094,
          "mid": 23.799999237060547,
          "high_mid": 3.799999952316284,
          "air": 0.4000000059604645
        }
      },
      "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,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.156999945640564,
        "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": -0.3299999237060547,
        "_global_low": 49.099998474121094,
        "_global_mid": 47.20000076293945,
        "_global_high": 3.5999999046325684
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=49% Mid=47% High=4% W=16.8% Crest=13.4",
        "   目标: Low=27% Mid=70% High=2% W=13.5% Crest=15.4",
        "   差值: ΔLow=+22% ΔMid=-23% ΔHigh=+1% ΔW=+3.3% ΔCrest=-2.0",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-24%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ+1%) → 不调",
        "   宽度偏宽+3.3%: Side整体=-0.3dB",
        "   动态接近目标(Δ-2.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2199.0,
        "onset_density": 3.4,
        "low_energy": 52.70000076293945
      },
      "ref": {
        "lufs": -9.9,
        "peak": 2.0,
        "rms": -13.399999618530273,
        "crest": 15.399999618530273,
        "width": 13.5,
        "low_pct": 27.200000762939453,
        "mid_pct": 70.30000305175781,
        "high_pct": 2.299999952316284,
        "centroid": 776.0,
        "bands": {
          "sub": 1.899999976158142,
          "bass": 25.399999618530273,
          "low_mid": 51.79999923706055,
          "mid": 18.5,
          "high_mid": 1.7999999523162842,
          "air": 0.5
        }
      }
    }
  ],
  "time": 37.3
}