{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-144929-198feb/01_BIRDS OF A FEATHER_20260418/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-144929-198feb/01_BIRDS OF A FEATHER_20260418/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.4,
        "peak": -1.399999976158142,
        "rms": -14.600000381469727,
        "crest": 13.199999809265137,
        "width": 11.399999618530273,
        "low_pct": 56.20000076293945,
        "mid_pct": 42.20000076293945,
        "high_pct": 1.5,
        "centroid": 497.0,
        "bands": {
          "sub": 6.699999809265137,
          "bass": 49.599998474121094,
          "low_mid": 34.5,
          "mid": 7.800000190734863,
          "high_mid": 1.100000023841858,
          "air": 0.4000000059604645
        }
      },
      "after": {
        "lufs": -9.6,
        "peak": 0.20000000298023224,
        "rms": -11.699999809265137,
        "crest": 11.899999618530273,
        "width": 9.5,
        "low_pct": 52.0,
        "mid_pct": 46.20000076293945,
        "high_pct": 1.7999999523162842,
        "centroid": 531.0,
        "bands": {
          "sub": 8.699999809265137,
          "bass": 43.29999923706055,
          "low_mid": 38.0,
          "mid": 8.199999809265137,
          "high_mid": 1.399999976158142,
          "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": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.2759999930858612,
        "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": 0.0,
        "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": -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": -0.429999977350235,
        "_global_low": 56.20000076293945,
        "_global_mid": 42.20000076293945,
        "_global_high": 1.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=56% Mid=42% High=2% W=11.4% Crest=13.2",
        "   目标: Low=87% Mid=12% High=1% W=7.1% Crest=11.0",
        "   差值: ΔLow=-31% ΔMid=+30% ΔHigh=+1% ΔW=+4.3% ΔCrest=+2.2",
        "   低频偏少-31%: 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+23%: 600Hz=-0.5dB",
        "   Mid偏多+7%: 2.5kHz=-0.3dB q=1.0",
        "   宽度偏宽+4.3%: Side整体=-0.4dB",
        "   动态接近目标(Δ+2.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 2035.0,
        "onset_density": 3.5,
        "low_energy": 56.5
      },
      "ref": {
        "lufs": -9.6,
        "peak": 0.30000001192092896,
        "rms": -10.699999809265137,
        "crest": 11.0,
        "width": 7.099999904632568,
        "low_pct": 87.30000305175781,
        "mid_pct": 12.0,
        "high_pct": 0.6000000238418579,
        "centroid": 185.0,
        "bands": {
          "sub": 28.200000762939453,
          "bass": 59.099998474121094,
          "low_mid": 11.100000381469727,
          "mid": 0.8999999761581421,
          "high_mid": 0.30000001192092896,
          "air": 0.30000001192092896
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-144929-198feb/01_BIRDS OF A FEATHER_20260418/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-144929-198feb/01_BIRDS OF A FEATHER_20260418/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.4,
        "peak": -1.2999999523162842,
        "rms": -15.399999618530273,
        "crest": 14.100000381469727,
        "width": 12.300000190734863,
        "low_pct": 50.900001525878906,
        "mid_pct": 45.400001525878906,
        "high_pct": 3.700000047683716,
        "centroid": 717.0,
        "bands": {
          "sub": 8.300000190734863,
          "bass": 42.5,
          "low_mid": 36.20000076293945,
          "mid": 9.199999809265137,
          "high_mid": 2.0999999046325684,
          "air": 1.600000023841858
        }
      },
      "after": {
        "lufs": -10.2,
        "peak": 0.0,
        "rms": -12.100000381469727,
        "crest": 12.199999809265137,
        "width": 8.899999618530273,
        "low_pct": 53.900001525878906,
        "mid_pct": 42.29999923706055,
        "high_pct": 3.799999952316284,
        "centroid": 694.0,
        "bands": {
          "sub": 8.399999618530273,
          "bass": 45.5,
          "low_mid": 34.0,
          "mid": 8.300000190734863,
          "high_mid": 2.0999999046325684,
          "air": 1.7000000476837158
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.3319999873638153,
        "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": 0.12650001049041748,
        "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": -0.009999990463256836,
        "comp_threshold_db": -9.860000610351562,
        "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": -0.5,
        "side_gain_db": -0.5200000405311584,
        "_global_low": 50.900001525878906,
        "_global_mid": 45.400001525878906,
        "_global_high": 3.700000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=51% Mid=45% High=4% W=12.3% Crest=14.1",
        "   目标: Low=87% Mid=12% High=1% W=7.1% Crest=11.0",
        "   差值: ΔLow=-36% ΔMid=+33% ΔHigh=+3% ΔW=+5.2% ΔCrest=+3.1",
        "   低频偏少-36%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+3%: 空气感=-0.0dB",
        "   LowMid偏多+25%: 600Hz=-0.5dB",
        "   Mid偏多+8%: 2.5kHz=-0.3dB q=1.0",
        "   宽度偏宽+5.2%: Side整体=-0.5dB",
        "   动态偏大+3.1dB: 压缩阈值=-9.9dB, PC mix=13%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 2275.0,
        "onset_density": 3.4,
        "low_energy": 53.70000076293945
      },
      "ref": {
        "lufs": -9.6,
        "peak": 0.30000001192092896,
        "rms": -10.699999809265137,
        "crest": 11.0,
        "width": 7.099999904632568,
        "low_pct": 87.30000305175781,
        "mid_pct": 12.0,
        "high_pct": 0.6000000238418579,
        "centroid": 185.0,
        "bands": {
          "sub": 28.200000762939453,
          "bass": 59.099998474121094,
          "low_mid": 11.100000381469727,
          "mid": 0.8999999761581421,
          "high_mid": 0.30000001192092896,
          "air": 0.30000001192092896
        }
      }
    }
  ],
  "time": 35.8
}