{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-173151-be7f89/01_慢慢，张学友_20260412/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-173151-be7f89/01_慢慢，张学友_20260412/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.3,
        "peak": -1.100000023841858,
        "rms": -14.899999618530273,
        "crest": 13.800000190734863,
        "width": 19.200000762939453,
        "low_pct": 67.0999984741211,
        "mid_pct": 31.799999237060547,
        "high_pct": 1.0,
        "centroid": 346.0,
        "bands": {
          "sub": 0.0,
          "bass": 67.0999984741211,
          "low_mid": 29.5,
          "mid": 2.299999952316284,
          "high_mid": 0.5,
          "air": 0.6000000238418579
        }
      },
      "after": {
        "lufs": -9.7,
        "peak": 0.0,
        "rms": -12.600000381469727,
        "crest": 12.600000381469727,
        "width": 13.199999809265137,
        "low_pct": 66.4000015258789,
        "mid_pct": 32.099998474121094,
        "high_pct": 1.5,
        "centroid": 409.0,
        "bands": {
          "sub": 0.0,
          "bass": 66.4000015258789,
          "low_mid": 28.899999618530273,
          "mid": 3.299999952316284,
          "high_mid": 0.699999988079071,
          "air": 0.800000011920929
        }
      },
      "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": 2500,
        "mid_snap_db": 0.36899998784065247,
        "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": 0.13100001215934753,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.7899998426437378,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.1050000786781311,
        "tight_hz": 120,
        "tight_db": -1.0369999408721924,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -10.040000915527344,
        "comp_ratio": 2.0,
        "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": 0.18299995362758636,
        "side_gain_db": -1.3300001621246338,
        "_global_low": 67.0999984741211,
        "_global_mid": 31.799999237060547,
        "_global_high": 1.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=67% Mid=32% High=1% W=19.2% Crest=13.8",
        "   目标: Low=49% Mid=50% High=1% W=5.9% Crest=10.4",
        "   差值: ΔLow=+18% ΔMid=-18% ΔHigh=+0% ΔW=+13.3% ΔCrest=+3.4",
        "   低频偏多+18%: 去闷=-1.8dB, 低频增强=0.1dB, 收紧=-1.0dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-6%: 600Hz=+0.2dB",
        "   Mid偏少-12%: 2.5kHz=+0.4dB q=1.0",
        "   宽度偏宽+13.3%: Side整体=-1.3dB",
        "   动态偏大+3.4dB: 压缩阈值=-10.0dB, PC mix=13%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 123.0,
        "centroid": 1992.0,
        "onset_density": 1.8,
        "low_energy": 44.599998474121094
      },
      "ref": {
        "lufs": -8.4,
        "peak": -0.4000000059604645,
        "rms": -10.699999809265137,
        "crest": 10.399999618530273,
        "width": 5.900000095367432,
        "low_pct": 49.20000076293945,
        "mid_pct": 50.20000076293945,
        "high_pct": 0.6000000238418579,
        "centroid": 558.0,
        "bands": {
          "sub": 21.5,
          "bass": 27.700000762939453,
          "low_mid": 35.599998474121094,
          "mid": 14.600000381469727,
          "high_mid": 0.6000000238418579,
          "air": 0.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-173151-be7f89/01_慢慢，张学友_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-173151-be7f89/01_慢慢，张学友_20260412/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.8,
        "peak": -1.2000000476837158,
        "rms": -15.899999618530273,
        "crest": 14.600000381469727,
        "width": 17.200000762939453,
        "low_pct": 35.900001525878906,
        "mid_pct": 62.099998474121094,
        "high_pct": 2.0,
        "centroid": 756.0,
        "bands": {
          "sub": 8.300000190734863,
          "bass": 27.700000762939453,
          "low_mid": 44.79999923706055,
          "mid": 17.299999237060547,
          "high_mid": 1.100000023841858,
          "air": 0.800000011920929
        }
      },
      "after": {
        "lufs": -9.8,
        "peak": 0.20000000298023224,
        "rms": -12.600000381469727,
        "crest": 12.800000190734863,
        "width": 10.399999618530273,
        "low_pct": 39.900001525878906,
        "mid_pct": 58.099998474121094,
        "high_pct": 2.0,
        "centroid": 726.0,
        "bands": {
          "sub": 10.300000190734863,
          "bass": 29.600000381469727,
          "low_mid": 41.5,
          "mid": 16.600000381469727,
          "high_mid": 1.100000023841858,
          "air": 0.800000011920929
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5659999847412109,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5659999847412109,
        "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": 0.14300000667572021,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.0,
        "tight_hz": 120,
        "tight_db": 0.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -10.520000457763672,
        "comp_ratio": 2.0,
        "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": -0.2760000228881836,
        "side_gain_db": -1.130000114440918,
        "_global_low": 35.900001525878906,
        "_global_mid": 62.099998474121094,
        "_global_high": 2.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=36% Mid=62% High=2% W=17.2% Crest=14.6",
        "   目标: Low=49% Mid=50% High=1% W=5.9% Crest=10.4",
        "   差值: ΔLow=-13% ΔMid=+12% ΔHigh=+1% ΔW=+11.3% ΔCrest=+4.2",
        "   低频偏少-13%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏多+9%: 600Hz=-0.3dB",
        "   Mid接近目标(Δ+3%) → 不调",
        "   宽度偏宽+11.3%: Side整体=-1.1dB",
        "   动态偏大+4.2dB: 压缩阈值=-10.5dB, PC mix=14%"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 1991.0,
        "onset_density": 2.2,
        "low_energy": 43.5
      },
      "ref": {
        "lufs": -8.4,
        "peak": -0.4000000059604645,
        "rms": -10.699999809265137,
        "crest": 10.399999618530273,
        "width": 5.900000095367432,
        "low_pct": 49.20000076293945,
        "mid_pct": 50.20000076293945,
        "high_pct": 0.6000000238418579,
        "centroid": 558.0,
        "bands": {
          "sub": 21.5,
          "bass": 27.700000762939453,
          "low_mid": 35.599998474121094,
          "mid": 14.600000381469727,
          "high_mid": 0.6000000238418579,
          "air": 0.0
        }
      }
    }
  ],
  "time": 63.5
}