{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/04_drop dead_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/04_drop dead_20260512/suno_mixed_0.mp3",
      "before": {
        "lufs": -14.1,
        "peak": -3.0999999046325684,
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        "crest": 13.5,
        "width": 9.800000190734863,
        "low_pct": 56.29999923706055,
        "mid_pct": 37.79999923706055,
        "high_pct": 5.900000095367432,
        "centroid": 1002.0,
        "bands": {
          "sub": 9.600000381469727,
          "bass": 46.70000076293945,
          "low_mid": 20.799999237060547,
          "mid": 16.899999618530273,
          "high_mid": 3.200000047683716,
          "air": 2.700000047683716
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      },
      "after": {
        "lufs": -11.3,
        "peak": 0.30000001192092896,
        "rms": -14.199999809265137,
        "crest": 14.5,
        "width": 9.699999809265137,
        "low_pct": 48.400001525878906,
        "mid_pct": 45.0,
        "high_pct": 6.599999904632568,
        "centroid": 1135.0,
        "bands": {
          "sub": 7.900000095367432,
          "bass": 40.5,
          "low_mid": 24.799999237060547,
          "mid": 20.200000762939453,
          "high_mid": 3.700000047683716,
          "air": 2.9000000953674316
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.12600000202655792,
        "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": 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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.989999771118164,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.005000114440917969,
        "tight_hz": 120,
        "tight_db": -1.0969998836517334,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.02000001072883606,
        "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": 0.41999998688697815,
        "_global_low": 56.29999923706055,
        "_global_mid": 37.79999923706055,
        "_global_high": 5.900000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=56% Mid=38% High=6% W=9.8% Crest=13.5",
        "   目标: Low=36% Mid=61% High=3% W=13.3% Crest=11.7",
        "   差值: ΔLow=+20% ΔMid=-23% ΔHigh=+3% ΔW=-3.5% ΔCrest=+1.8",
        "   低频偏多+20%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频偏多+3%: 空气感=-0.0dB",
        "   LowMid偏少-22%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ-1%) → 不调",
        "   宽度偏窄-3.5%: Side=+0.4dB",
        "   动态接近目标(Δ+1.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 3138.0,
        "onset_density": 3.2,
        "low_energy": 52.20000076293945
      },
      "ref": {
        "lufs": -7.7,
        "peak": 1.0,
        "rms": -10.699999809265137,
        "crest": 11.699999809265137,
        "width": 13.300000190734863,
        "low_pct": 36.400001525878906,
        "mid_pct": 60.900001525878906,
        "high_pct": 2.700000047683716,
        "centroid": 785.0,
        "bands": {
          "sub": 6.400000095367432,
          "bass": 30.100000381469727,
          "low_mid": 42.79999923706055,
          "mid": 18.100000381469727,
          "high_mid": 1.7999999523162842,
          "air": 0.8999999761581421
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/04_drop dead_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/04_drop dead_20260512/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.9,
        "peak": -2.0999999046325684,
        "rms": -15.699999809265137,
        "crest": 13.600000381469727,
        "width": 7.699999809265137,
        "low_pct": 56.900001525878906,
        "mid_pct": 36.29999923706055,
        "high_pct": 6.800000190734863,
        "centroid": 1108.0,
        "bands": {
          "sub": 8.199999809265137,
          "bass": 48.599998474121094,
          "low_mid": 15.199999809265137,
          "mid": 21.100000381469727,
          "high_mid": 3.4000000953674316,
          "air": 3.4000000953674316
        }
      },
      "after": {
        "lufs": -10.3,
        "peak": 0.10000000149011612,
        "rms": -13.399999618530273,
        "crest": 13.5,
        "width": 8.100000381469727,
        "low_pct": 48.20000076293945,
        "mid_pct": 43.900001525878906,
        "high_pct": 7.900000095367432,
        "centroid": 1288.0,
        "bands": {
          "sub": 7.0,
          "bass": 41.20000076293945,
          "low_mid": 18.299999237060547,
          "mid": 25.600000381469727,
          "high_mid": 4.0,
          "air": 3.9000000953674316
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.20160003006458282,
        "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": 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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.1150000095367432,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.3100000321865082,
        "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": 0.6720000505447388,
        "_global_low": 56.900001525878906,
        "_global_mid": 36.29999923706055,
        "_global_high": 6.800000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=57% Mid=36% High=7% W=7.7% Crest=13.6",
        "   目标: Low=36% Mid=61% High=3% W=13.3% Crest=11.7",
        "   差值: ΔLow=+20% ΔMid=-25% ΔHigh=+4% ΔW=-5.6% ΔCrest=+1.9",
        "   低频偏多+20%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频偏多+4%: 空气感=-0.1dB",
        "   LowMid偏少-28%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ+3%) → 不调",
        "   Air偏多+2.5%: 空气感再降0.2dB→-0.3dB",
        "   宽度偏窄-5.6%: Side=+0.7dB",
        "   动态接近目标(Δ+1.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2966.0,
        "onset_density": 3.2,
        "low_energy": 57.599998474121094
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      "ref": {
        "lufs": -7.7,
        "peak": 1.0,
        "rms": -10.699999809265137,
        "crest": 11.699999809265137,
        "width": 13.300000190734863,
        "low_pct": 36.400001525878906,
        "mid_pct": 60.900001525878906,
        "high_pct": 2.700000047683716,
        "centroid": 785.0,
        "bands": {
          "sub": 6.400000095367432,
          "bass": 30.100000381469727,
          "low_mid": 42.79999923706055,
          "mid": 18.100000381469727,
          "high_mid": 1.7999999523162842,
          "air": 0.8999999761581421
        }
      }
    }
  ],
  "time": 48.0
}