{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-143506-3a2f07/03_leavemealone_Static_Grip_20260507/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-143506-3a2f07/03_leavemealone_Static_Grip_20260507/suno_mixed_0.mp3",
      "before": {
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        "peak": -2.200000047683716,
        "rms": -13.600000381469727,
        "crest": 11.399999618530273,
        "width": 4.699999809265137,
        "low_pct": 89.69999694824219,
        "mid_pct": 7.900000095367432,
        "high_pct": 2.200000047683716,
        "centroid": 366.0,
        "bands": {
          "sub": 67.69999694824219,
          "bass": 22.0,
          "low_mid": 3.799999952316284,
          "mid": 4.099999904632568,
          "high_mid": 0.8999999761581421,
          "air": 1.399999976158142
        }
      },
      "after": {
        "lufs": -10.7,
        "peak": 0.0,
        "rms": -11.800000190734863,
        "crest": 11.800000190734863,
        "width": 5.400000095367432,
        "low_pct": 86.5999984741211,
        "mid_pct": 10.300000190734863,
        "high_pct": 3.0,
        "centroid": 470.0,
        "bands": {
          "sub": 64.9000015258789,
          "bass": 21.700000762939453,
          "low_mid": 4.599999904632568,
          "mid": 5.699999809265137,
          "high_mid": 1.2000000476837158,
          "air": 1.7999999523162842
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.47520002722740173,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.3,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.3,
        "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": -0.3,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
        "tight_hz": 120,
        "tight_db": -0.5,
        "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": 0.11699999123811722,
        "side_gain_db": 1.5839999914169312,
        "_global_low": 89.69999694824219,
        "_global_mid": 7.900000095367432,
        "_global_high": 2.200000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=90% Mid=8% High=2% W=4.7% Crest=11.4",
        "   目标: Low=87% Mid=11% High=2% W=17.9% Crest=11.0",
        "   差值: ΔLow=+3% ΔMid=-3% ΔHigh=-0% ΔW=-13.2% ΔCrest=+0.4",
        "   低频接近目标(Δ+3%) → 微调模式",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏少-4%: 600Hz=+0.1dB",
        "   Mid接近目标(Δ+1%) → 不调",
        "   宽度偏窄-13.2%: Side=+1.6dB",
        "   动态接近目标(Δ+0.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 172.3,
        "centroid": 3397.0,
        "onset_density": 5.7,
        "low_energy": 65.4000015258789
      },
      "ref": {
        "lufs": -7.2,
        "peak": 3.299999952316284,
        "rms": -7.699999809265137,
        "crest": 11.0,
        "width": 17.899999618530273,
        "low_pct": 86.80000305175781,
        "mid_pct": 10.699999809265137,
        "high_pct": 2.4000000953674316,
        "centroid": 363.0,
        "bands": {
          "sub": 57.0,
          "bass": 29.799999237060547,
          "low_mid": 7.699999809265137,
          "mid": 3.0999999046325684,
          "high_mid": 1.2000000476837158,
          "air": 1.2000000476837158
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-143506-3a2f07/03_leavemealone_Static_Grip_20260507/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-143506-3a2f07/03_leavemealone_Static_Grip_20260507/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.6,
        "peak": -2.0999999046325684,
        "rms": -14.399999618530273,
        "crest": 12.399999618530273,
        "width": 9.199999809265137,
        "low_pct": 78.30000305175781,
        "mid_pct": 19.100000381469727,
        "high_pct": 2.5,
        "centroid": 485.0,
        "bands": {
          "sub": 46.900001525878906,
          "bass": 31.399999618530273,
          "low_mid": 12.399999618530273,
          "mid": 6.699999809265137,
          "high_mid": 1.0,
          "air": 1.600000023841858
        }
      },
      "after": {
        "lufs": -10.7,
        "peak": 0.10000000149011612,
        "rms": -11.600000381469727,
        "crest": 11.699999809265137,
        "width": 7.900000095367432,
        "low_pct": 78.5999984741211,
        "mid_pct": 18.899999618530273,
        "high_pct": 2.5,
        "centroid": 481.0,
        "bands": {
          "sub": 47.599998474121094,
          "bass": 31.0,
          "low_mid": 12.199999809265137,
          "mid": 6.699999809265137,
          "high_mid": 1.0,
          "air": 1.5
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.3131999969482422,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.4700000286102295,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.4700000286102295,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.14399999380111694,
        "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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 1.2,
        "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": -0.14099998772144318,
        "side_gain_db": 1.0439999103546143,
        "_global_low": 78.30000305175781,
        "_global_mid": 19.100000381469727,
        "_global_high": 2.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=78% Mid=19% High=2% W=9.2% Crest=12.4",
        "   目标: Low=87% Mid=11% High=2% W=17.9% Crest=11.0",
        "   差值: ΔLow=-8% ΔMid=+8% ΔHigh=+0% ΔW=-8.7% ΔCrest=+1.4",
        "   低频偏少-8%: 去闷=0, 低频增强=1.7dB, Mid低频=0.5dB",
        "   ⚠️  低频绝对值78% > 70%，sub boost 上限钳至 1.2dB（原1.7dB）",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏多+5%: 600Hz=-0.1dB",
        "   Mid偏多+4%: 2.5kHz=-0.1dB q=1.0",
        "   宽度偏窄-8.7%: Side=+1.0dB",
        "   动态接近目标(Δ+1.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "high",
        "source": "audio",
        "bpm": 86.1,
        "centroid": 3274.0,
        "onset_density": 6.1,
        "low_energy": 68.5999984741211
      },
      "ref": {
        "lufs": -7.2,
        "peak": 3.299999952316284,
        "rms": -7.699999809265137,
        "crest": 11.0,
        "width": 17.899999618530273,
        "low_pct": 86.80000305175781,
        "mid_pct": 10.699999809265137,
        "high_pct": 2.4000000953674316,
        "centroid": 363.0,
        "bands": {
          "sub": 57.0,
          "bass": 29.799999237060547,
          "low_mid": 7.699999809265137,
          "mid": 3.0999999046325684,
          "high_mid": 1.2000000476837158,
          "air": 1.2000000476837158
        }
      }
    }
  ],
  "time": 50.5
}