{
  "songs": [
    {
      "input": "/srv/music-files-sandbox/pipeline/batch-20260419-133920-c30799/02_Lucky_20260419/suno_raw_0.mp3",
      "output": "/srv/music-files-sandbox/pipeline/batch-20260419-133920-c30799/02_Lucky_20260419/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.7,
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        "crest": 13.699999809265137,
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        "low_pct": 71.9000015258789,
        "mid_pct": 24.799999237060547,
        "high_pct": 3.299999952316284,
        "centroid": 471.0,
        "bands": {
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          "bass": 58.099998474121094,
          "low_mid": 22.799999237060547,
          "mid": 2.0,
          "high_mid": 1.7999999523162842,
          "air": 1.5
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      "after": {
        "lufs": -10.8,
        "peak": 0.20000000298023224,
        "rms": -12.699999809265137,
        "crest": 12.800000190734863,
        "width": 7.300000190734863,
        "low_pct": 66.69999694824219,
        "mid_pct": 28.700000762939453,
        "high_pct": 4.599999904632568,
        "centroid": 612.0,
        "bands": {
          "sub": 10.600000381469727,
          "bass": 56.099998474121094,
          "low_mid": 25.899999618530273,
          "mid": 2.9000000953674316,
          "high_mid": 2.5,
          "air": 2.0999999046325684
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      },
      "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": 0.12599998712539673,
        "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": -1.7000000476837158,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.1499999761581421,
        "tight_hz": 120,
        "tight_db": -1.0099999904632568,
        "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": 0.4020000398159027,
        "side_gain_db": -0.8400000929832458,
        "_global_low": 71.9000015258789,
        "_global_mid": 24.799999237060547,
        "_global_high": 3.299999952316284
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=72% Mid=25% High=3% W=11.1% Crest=13.7",
        "   目标: Low=55% Mid=42% High=2% W=2.7% Crest=14.7",
        "   差值: ΔLow=+17% ΔMid=-18% ΔHigh=+1% ΔW=+8.4% ΔCrest=-1.0",
        "   低频偏多+17%: 去闷=-1.7dB, 低频增强=0.1dB, 收紧=-1.0dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-13%: 600Hz=+0.4dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏宽+8.4%: Side整体=-0.8dB",
        "   动态接近目标(Δ-1.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 1886.0,
        "onset_density": 4.2,
        "low_energy": 75.69999694824219
      },
      "ref": {
        "lufs": -11.6,
        "peak": 0.699999988079071,
        "rms": -14.0,
        "crest": 14.699999809265137,
        "width": 2.700000047683716,
        "low_pct": 54.900001525878906,
        "mid_pct": 42.400001525878906,
        "high_pct": 2.200000047683716,
        "centroid": 540.0,
        "bands": {
          "sub": 13.899999618530273,
          "bass": 41.099998474121094,
          "low_mid": 36.20000076293945,
          "mid": 6.199999809265137,
          "high_mid": 1.2000000476837158,
          "air": 1.0
        }
      }
    },
    {
      "input": "/srv/music-files-sandbox/pipeline/batch-20260419-133920-c30799/02_Lucky_20260419/suno_raw_1.mp3",
      "output": "/srv/music-files-sandbox/pipeline/batch-20260419-133920-c30799/02_Lucky_20260419/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.8,
        "peak": -0.8999999761581421,
        "rms": -14.699999809265137,
        "crest": 13.800000190734863,
        "width": 8.899999618530273,
        "low_pct": 72.69999694824219,
        "mid_pct": 24.399999618530273,
        "high_pct": 2.9000000953674316,
        "centroid": 457.0,
        "bands": {
          "sub": 14.100000381469727,
          "bass": 58.599998474121094,
          "low_mid": 22.100000381469727,
          "mid": 2.200000047683716,
          "high_mid": 1.899999976158142,
          "air": 1.100000023841858
        }
      },
      "after": {
        "lufs": -10.1,
        "peak": 0.20000000298023224,
        "rms": -12.100000381469727,
        "crest": 12.300000190734863,
        "width": 6.599999904632568,
        "low_pct": 66.80000305175781,
        "mid_pct": 28.899999618530273,
        "high_pct": 4.300000190734863,
        "centroid": 601.0,
        "bands": {
          "sub": 10.699999809265137,
          "bass": 56.099998474121094,
          "low_mid": 25.799999237060547,
          "mid": 3.0999999046325684,
          "high_mid": 2.799999952316284,
          "air": 1.5
        }
      },
      "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": 0.11999998986721039,
        "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": -1.7799996137619019,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.11000019311904907,
        "tight_hz": 120,
        "tight_db": -1.0339999198913574,
        "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": 0.4230000078678131,
        "side_gain_db": -0.6200000047683716,
        "_global_low": 72.69999694824219,
        "_global_mid": 24.399999618530273,
        "_global_high": 2.9000000953674316
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=73% Mid=24% High=3% W=8.9% Crest=13.8",
        "   目标: Low=55% Mid=42% High=2% W=2.7% Crest=14.7",
        "   差值: ΔLow=+18% ΔMid=-18% ΔHigh=+1% ΔW=+6.2% ΔCrest=-0.9",
        "   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+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-14%: 600Hz=+0.4dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏宽+6.2%: Side整体=-0.6dB",
        "   动态接近目标(Δ-0.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 1798.0,
        "onset_density": 4.2,
        "low_energy": 66.5
      },
      "ref": {
        "lufs": -11.6,
        "peak": 0.699999988079071,
        "rms": -14.0,
        "crest": 14.699999809265137,
        "width": 2.700000047683716,
        "low_pct": 54.900001525878906,
        "mid_pct": 42.400001525878906,
        "high_pct": 2.200000047683716,
        "centroid": 540.0,
        "bands": {
          "sub": 13.899999618530273,
          "bass": 41.099998474121094,
          "low_mid": 36.20000076293945,
          "mid": 6.199999809265137,
          "high_mid": 1.2000000476837158,
          "air": 1.0
        }
      }
    }
  ],
  "time": 35.6
}