{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260430-103228-46b0e1/01_Fix You_20260430/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260430-103228-46b0e1/01_Fix You_20260430/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.8,
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        "crest": 13.399999618530273,
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        "low_pct": 63.900001525878906,
        "mid_pct": 32.099998474121094,
        "high_pct": 4.0,
        "centroid": 832.0,
        "bands": {
          "sub": 29.5,
          "bass": 34.5,
          "low_mid": 15.899999618530273,
          "mid": 16.100000381469727,
          "high_mid": 2.4000000953674316,
          "air": 1.600000023841858
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      "after": {
        "lufs": -9.5,
        "peak": 0.20000000298023224,
        "rms": -12.399999618530273,
        "crest": 12.600000381469727,
        "width": 14.399999618530273,
        "low_pct": 52.5,
        "mid_pct": 42.099998474121094,
        "high_pct": 5.300000190734863,
        "centroid": 1062.0,
        "bands": {
          "sub": 23.899999618530273,
          "bass": 28.600000381469727,
          "low_mid": 21.700000762939453,
          "mid": 20.5,
          "high_mid": 3.200000047683716,
          "air": 2.200000047683716
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.3636000156402588,
        "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": -0.1680000275373459,
        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.5,
        "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": 1.2120000123977661,
        "_global_low": 63.900001525878906,
        "_global_mid": 32.099998474121094,
        "_global_high": 4.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=64% Mid=32% High=4% W=10.9% Crest=13.4",
        "   目标: Low=24% Mid=75% High=1% W=21.0% Crest=14.3",
        "   差值: ΔLow=+40% ΔMid=-43% ΔHigh=+3% ΔW=-10.1% ΔCrest=-0.9",
        "   低频偏多+40%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏少-47%: 600Hz=+0.5dB",
        "   Mid偏多+4%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏窄-10.1%: Side=+1.2dB",
        "   动态接近目标(Δ-0.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rnb",
        "confidence": "medium",
        "source": "audio",
        "bpm": 71.8,
        "centroid": 1667.0,
        "onset_density": 2.4,
        "low_energy": 51.70000076293945
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      "ref": {
        "lufs": -10.5,
        "peak": 0.4000000059604645,
        "rms": -13.899999618530273,
        "crest": 14.300000190734863,
        "width": 21.0,
        "low_pct": 23.799999237060547,
        "mid_pct": 75.0999984741211,
        "high_pct": 1.2000000476837158,
        "centroid": 657.0,
        "bands": {
          "sub": 1.2000000476837158,
          "bass": 22.600000381469727,
          "low_mid": 63.20000076293945,
          "mid": 11.899999618530273,
          "high_mid": 1.100000023841858,
          "air": 0.10000000149011612
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260430-103228-46b0e1/01_Fix You_20260430/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260430-103228-46b0e1/01_Fix You_20260430/suno_mixed_1.mp3",
      "before": {
        "lufs": -11.0,
        "peak": -0.5,
        "rms": -13.800000190734863,
        "crest": 13.300000190734863,
        "width": 12.399999618530273,
        "low_pct": 49.599998474121094,
        "mid_pct": 45.5,
        "high_pct": 4.900000095367432,
        "centroid": 1019.0,
        "bands": {
          "sub": 20.299999237060547,
          "bass": 29.200000762939453,
          "low_mid": 25.299999237060547,
          "mid": 20.200000762939453,
          "high_mid": 2.5,
          "air": 2.4000000953674316
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      },
      "after": {
        "lufs": -8.7,
        "peak": 0.30000001192092896,
        "rms": -11.699999809265137,
        "crest": 12.0,
        "width": 14.399999618530273,
        "low_pct": 40.599998474121094,
        "mid_pct": 53.599998474121094,
        "high_pct": 5.800000190734863,
        "centroid": 1176.0,
        "bands": {
          "sub": 16.100000381469727,
          "bass": 24.5,
          "low_mid": 30.399999618530273,
          "mid": 23.200000762939453,
          "high_mid": 3.0,
          "air": 2.799999952316284
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.30960002541542053,
        "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": -0.3320000469684601,
        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.2739999294281006,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.2540000081062317,
        "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": 1.0320000648498535,
        "_global_low": 49.599998474121094,
        "_global_mid": 45.5,
        "_global_high": 4.900000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=50% Mid=46% High=5% W=12.4% Crest=13.3",
        "   目标: Low=24% Mid=75% High=1% W=21.0% Crest=14.3",
        "   差值: ΔLow=+26% ΔMid=-30% ΔHigh=+4% ΔW=-8.6% ΔCrest=-1.0",
        "   低频偏多+26%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.3dB",
        "   高频偏多+4%: 空气感=-0.1dB",
        "   LowMid偏少-38%: 600Hz=+0.5dB",
        "   Mid偏多+8%: 2.5kHz=-0.3dB q=1.0",
        "   Air偏多+2.3%: 空气感再降0.2dB→-0.3dB",
        "   宽度偏窄-8.6%: Side=+1.0dB",
        "   动态接近目标(Δ-1.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 1939.0,
        "onset_density": 2.0,
        "low_energy": 49.20000076293945
      },
      "ref": {
        "lufs": -10.5,
        "peak": 0.4000000059604645,
        "rms": -13.899999618530273,
        "crest": 14.300000190734863,
        "width": 21.0,
        "low_pct": 23.799999237060547,
        "mid_pct": 75.0999984741211,
        "high_pct": 1.2000000476837158,
        "centroid": 657.0,
        "bands": {
          "sub": 1.2000000476837158,
          "bass": 22.600000381469727,
          "low_mid": 63.20000076293945,
          "mid": 11.899999618530273,
          "high_mid": 1.100000023841858,
          "air": 0.10000000149011612
        }
      }
    }
  ],
  "time": 45.1
}