{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260406-022523-7dcf8f/01_溯 (Reverse)_20260406/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260406-022523-7dcf8f/01_溯 (Reverse)_20260406/suno_mixed_0.mp3",
      "before": {
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        "low_pct": 77.5,
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        "centroid": 466.0,
        "bands": {
          "sub": 33.599998474121094,
          "bass": 44.0,
          "low_mid": 13.300000190734863,
          "mid": 6.5,
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          "air": 1.399999976158142
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      "after": {
        "lufs": -9.8,
        "peak": 0.0,
        "rms": -11.600000381469727,
        "crest": 11.600000381469727,
        "width": 7.199999809265137,
        "low_pct": 71.0,
        "mid_pct": 25.700000762939453,
        "high_pct": 3.299999952316284,
        "centroid": 585.0,
        "bands": {
          "sub": 28.100000381469727,
          "bass": 42.900001525878906,
          "low_mid": 16.799999237060547,
          "mid": 8.899999618530273,
          "high_mid": 1.5,
          "air": 1.7999999523162842
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.34560003876686096,
        "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": -0.8800002932548523,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5599998235702515,
        "tight_hz": 120,
        "tight_db": -0.7640000581741333,
        "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": 0.1799999624490738,
        "side_gain_db": 1.152000069618225,
        "_global_low": 77.5,
        "_global_mid": 19.899999618530273,
        "_global_high": 2.5999999046325684
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=78% Mid=20% High=3% W=5.0% Crest=13.5",
        "   目标: Low=69% Mid=28% High=4% W=14.6% Crest=14.5",
        "   差值: ΔLow=+9% ΔMid=-8% ΔHigh=-1% ΔW=-9.6% ΔCrest=-1.0",
        "   低频偏多+9%: 去闷=-0.9dB, 低频增强=0.6dB, 收紧=-0.8dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-6%: 600Hz=+0.2dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏窄-9.6%: Side=+1.2dB",
        "   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": 2111.0,
        "onset_density": 3.7,
        "low_energy": 51.70000076293945
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      "ref": {
        "lufs": -9.2,
        "peak": 2.9000000953674316,
        "rms": -11.600000381469727,
        "crest": 14.5,
        "width": 14.600000381469727,
        "low_pct": 68.69999694824219,
        "mid_pct": 27.5,
        "high_pct": 3.799999952316284,
        "centroid": 554.0,
        "bands": {
          "sub": 24.5,
          "bass": 44.099998474121094,
          "low_mid": 19.299999237060547,
          "mid": 8.300000190734863,
          "high_mid": 2.5999999046325684,
          "air": 1.2000000476837158
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260406-022523-7dcf8f/01_溯 (Reverse)_20260406/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260406-022523-7dcf8f/01_溯 (Reverse)_20260406/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.3,
        "peak": -0.8999999761581421,
        "rms": -14.800000190734863,
        "crest": 13.899999618530273,
        "width": 5.5,
        "low_pct": 79.0999984741211,
        "mid_pct": 18.200000762939453,
        "high_pct": 2.5999999046325684,
        "centroid": 462.0,
        "bands": {
          "sub": 32.599998474121094,
          "bass": 46.5,
          "low_mid": 14.100000381469727,
          "mid": 4.099999904632568,
          "high_mid": 1.100000023841858,
          "air": 1.5
        }
      },
      "after": {
        "lufs": -10.2,
        "peak": 0.0,
        "rms": -11.899999618530273,
        "crest": 11.899999618530273,
        "width": 6.800000190734863,
        "low_pct": 74.30000305175781,
        "mid_pct": 22.600000381469727,
        "high_pct": 3.0999999046325684,
        "centroid": 548.0,
        "bands": {
          "sub": 30.5,
          "bass": 43.79999923706055,
          "low_mid": 17.399999618530273,
          "mid": 5.199999809265137,
          "high_mid": 1.2999999523162842,
          "air": 1.7999999523162842
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.32760000228881836,
        "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": 2500,
        "mid_snap_db": 0.12600000202655792,
        "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": -1.0400002002716064,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.4799998998641968,
        "tight_hz": 120,
        "tight_db": -0.812000036239624,
        "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": 0.15599995851516724,
        "side_gain_db": 1.0920000076293945,
        "_global_low": 79.0999984741211,
        "_global_mid": 18.200000762939453,
        "_global_high": 2.5999999046325684
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=79% Mid=18% High=3% W=5.5% Crest=13.9",
        "   目标: Low=69% Mid=28% High=4% W=14.6% Crest=14.5",
        "   差值: ΔLow=+10% ΔMid=-9% ΔHigh=-1% ΔW=-9.1% ΔCrest=-0.6",
        "   低频偏多+10%: 去闷=-1.0dB, 低频增强=0.5dB, 收紧=-0.8dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-5%: 600Hz=+0.2dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-9.1%: Side=+1.1dB",
        "   动态接近目标(Δ-0.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2368.0,
        "onset_density": 3.5,
        "low_energy": 53.20000076293945
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      "ref": {
        "lufs": -9.2,
        "peak": 2.9000000953674316,
        "rms": -11.600000381469727,
        "crest": 14.5,
        "width": 14.600000381469727,
        "low_pct": 68.69999694824219,
        "mid_pct": 27.5,
        "high_pct": 3.799999952316284,
        "centroid": 554.0,
        "bands": {
          "sub": 24.5,
          "bass": 44.099998474121094,
          "low_mid": 19.299999237060547,
          "mid": 8.300000190734863,
          "high_mid": 2.5999999046325684,
          "air": 1.2000000476837158
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      }
    }
  ],
  "time": 28.5
}