{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260417-222018-bde819/02_夜曲_20260417/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260417-222018-bde819/02_夜曲_20260417/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.0,
        "peak": -0.4000000059604645,
        "rms": -14.800000190734863,
        "crest": 14.300000190734863,
        "width": 8.199999809265137,
        "low_pct": 43.5,
        "mid_pct": 51.70000076293945,
        "high_pct": 4.800000190734863,
        "centroid": 1097.0,
        "bands": {
          "sub": 5.900000095367432,
          "bass": 37.599998474121094,
          "low_mid": 28.899999618530273,
          "mid": 22.799999237060547,
          "high_mid": 2.200000047683716,
          "air": 2.5999999046325684
        }
      },
      "after": {
        "lufs": -9.1,
        "peak": 0.20000000298023224,
        "rms": -11.600000381469727,
        "crest": 11.800000190734863,
        "width": 9.800000190734863,
        "low_pct": 44.5,
        "mid_pct": 50.599998474121094,
        "high_pct": 4.900000095367432,
        "centroid": 1050.0,
        "bands": {
          "sub": 8.199999809265137,
          "bass": 36.29999923706055,
          "low_mid": 30.5,
          "mid": 20.100000381469727,
          "high_mid": 2.200000047683716,
          "air": 2.799999952316284
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.4535999596118927,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5880000591278076,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5880000591278076,
        "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": 0.0,
        "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": -2.9802322387695312e-08,
        "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": 0.23099996149539948,
        "side_gain_db": 1.5119998455047607,
        "_global_low": 43.5,
        "_global_mid": 51.70000076293945,
        "_global_high": 4.800000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=44% Mid=52% High=5% W=8.2% Crest=14.3",
        "   目标: Low=58% Mid=40% High=2% W=20.8% Crest=11.3",
        "   差值: ΔLow=-14% ΔMid=+12% ΔHigh=+3% ΔW=-12.6% ΔCrest=+3.0",
        "   低频偏少-14%: 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偏少-8%: 600Hz=+0.2dB",
        "   Mid偏多+19%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏窄-12.6%: Side=+1.5dB",
        "   动态接近目标(Δ+3.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "jazz",
        "confidence": "low",
        "source": "audio",
        "bpm": 86.1,
        "centroid": 2092.0,
        "onset_density": 3.5,
        "low_energy": 55.20000076293945
      },
      "ref": {
        "lufs": -8.0,
        "peak": 1.399999976158142,
        "rms": -9.899999618530273,
        "crest": 11.300000190734863,
        "width": 20.799999237060547,
        "low_pct": 57.900001525878906,
        "mid_pct": 40.20000076293945,
        "high_pct": 1.7999999523162842,
        "centroid": 426.0,
        "bands": {
          "sub": 8.300000190734863,
          "bass": 49.599998474121094,
          "low_mid": 36.599998474121094,
          "mid": 3.5999999046325684,
          "high_mid": 1.2000000476837158,
          "air": 0.6000000238418579
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260417-222018-bde819/02_夜曲_20260417/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260417-222018-bde819/02_夜曲_20260417/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -1.7000000476837158,
        "rms": -15.699999809265137,
        "crest": 14.0,
        "width": 9.800000190734863,
        "low_pct": 69.9000015258789,
        "mid_pct": 28.399999618530273,
        "high_pct": 1.7000000476837158,
        "centroid": 437.0,
        "bands": {
          "sub": 9.199999809265137,
          "bass": 60.70000076293945,
          "low_mid": 23.899999618530273,
          "mid": 4.5,
          "high_mid": 0.800000011920929,
          "air": 0.8999999761581421
        }
      },
      "after": {
        "lufs": -9.8,
        "peak": 0.0,
        "rms": -12.600000381469727,
        "crest": 12.600000381469727,
        "width": 11.399999618530273,
        "low_pct": 61.900001525878906,
        "mid_pct": 36.20000076293945,
        "high_pct": 1.899999976158142,
        "centroid": 516.0,
        "bands": {
          "sub": 8.899999618530273,
          "bass": 53.0,
          "low_mid": 29.799999237060547,
          "mid": 6.400000095367432,
          "high_mid": 0.8999999761581421,
          "air": 1.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.3959999680519104,
        "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": -1.2000000476837158,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.3999999761581421,
        "tight_hz": 120,
        "tight_db": -0.8600000143051147,
        "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": 0.38099995255470276,
        "side_gain_db": 1.3199998140335083,
        "_global_low": 69.9000015258789,
        "_global_mid": 28.399999618530273,
        "_global_high": 1.7000000476837158
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=70% Mid=28% High=2% W=9.8% Crest=14.0",
        "   目标: Low=58% Mid=40% High=2% W=20.8% Crest=11.3",
        "   差值: ΔLow=+12% ΔMid=-12% ΔHigh=-0% ΔW=-11.0% ΔCrest=+2.7",
        "   低频偏多+12%: 去闷=-1.2dB, 低频增强=0.4dB, 收紧=-0.9dB",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏少-13%: 600Hz=+0.4dB",
        "   Mid接近目标(Δ+1%) → 不调",
        "   宽度偏窄-11.0%: Side=+1.3dB",
        "   动态接近目标(Δ+2.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "jazz",
        "confidence": "low",
        "source": "audio",
        "bpm": 86.1,
        "centroid": 1980.0,
        "onset_density": 3.6,
        "low_energy": 51.29999923706055
      },
      "ref": {
        "lufs": -8.0,
        "peak": 1.399999976158142,
        "rms": -9.899999618530273,
        "crest": 11.300000190734863,
        "width": 20.799999237060547,
        "low_pct": 57.900001525878906,
        "mid_pct": 40.20000076293945,
        "high_pct": 1.7999999523162842,
        "centroid": 426.0,
        "bands": {
          "sub": 8.300000190734863,
          "bass": 49.599998474121094,
          "low_mid": 36.599998474121094,
          "mid": 3.5999999046325684,
          "high_mid": 1.2000000476837158,
          "air": 0.6000000238418579
        }
      }
    }
  ],
  "time": 75.4
}