{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-173847-2c15c8/02_Stuck On You_20260412/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-173847-2c15c8/02_Stuck On You_20260412/suno_mixed_0.mp3",
      "before": {
        "lufs": -14.1,
        "peak": -0.0,
        "rms": -15.399999618530273,
        "crest": 15.399999618530273,
        "width": 10.300000190734863,
        "low_pct": 47.20000076293945,
        "mid_pct": 49.0,
        "high_pct": 3.700000047683716,
        "centroid": 717.0,
        "bands": {
          "sub": 31.0,
          "bass": 16.200000762939453,
          "low_mid": 38.70000076293945,
          "mid": 10.300000190734863,
          "high_mid": 1.600000023841858,
          "air": 2.0999999046325684
        }
      },
      "after": {
        "lufs": -10.4,
        "peak": 0.30000001192092896,
        "rms": -11.5,
        "crest": 11.800000190734863,
        "width": 8.800000190734863,
        "low_pct": 50.70000076293945,
        "mid_pct": 45.29999923706055,
        "high_pct": 4.0,
        "centroid": 704.0,
        "bands": {
          "sub": 35.20000076293945,
          "bass": 15.5,
          "low_mid": 36.0,
          "mid": 9.300000190734863,
          "high_mid": 1.7000000476837158,
          "air": 2.299999952316284
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.12959998846054077,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.3879999816417694,
        "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": -0.2279999852180481,
        "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": -0.4920000433921814,
        "side_gain_db": 0.43199992179870605,
        "_global_low": 47.20000076293945,
        "_global_mid": 49.0,
        "_global_high": 3.700000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=47% Mid=49% High=4% W=10.3% Crest=15.4",
        "   目标: Low=77% Mid=23% High=0% W=13.9% Crest=13.2",
        "   差值: ΔLow=-30% ΔMid=+26% ΔHigh=+4% ΔW=-3.6% ΔCrest=+2.2",
        "   低频偏少-30%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+4%: 空气感=-0.1dB",
        "   LowMid偏多+16%: 600Hz=-0.5dB",
        "   Mid偏多+10%: 2.5kHz=-0.4dB q=1.0",
        "   Air偏多+2.1%: 空气感再降0.2dB→-0.2dB",
        "   宽度偏窄-3.6%: Side=+0.4dB",
        "   动态接近目标(Δ+2.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2043.0,
        "onset_density": 2.7,
        "low_energy": 53.0
      },
      "ref": {
        "lufs": -9.3,
        "peak": 1.7999999523162842,
        "rms": -11.300000190734863,
        "crest": 13.199999809265137,
        "width": 13.899999618530273,
        "low_pct": 77.0,
        "mid_pct": 22.899999618530273,
        "high_pct": 0.10000000149011612,
        "centroid": 165.0,
        "bands": {
          "sub": 26.600000381469727,
          "bass": 50.400001525878906,
          "low_mid": 22.299999237060547,
          "mid": 0.6000000238418579,
          "high_mid": 0.10000000149011612,
          "air": 0.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-173847-2c15c8/02_Stuck On You_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-173847-2c15c8/02_Stuck On You_20260412/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.9,
        "peak": -0.4000000059604645,
        "rms": -13.699999809265137,
        "crest": 13.300000190734863,
        "width": 6.5,
        "low_pct": 72.9000015258789,
        "mid_pct": 24.700000762939453,
        "high_pct": 2.4000000953674316,
        "centroid": 417.0,
        "bands": {
          "sub": 48.599998474121094,
          "bass": 24.299999237060547,
          "low_mid": 20.600000381469727,
          "mid": 4.099999904632568,
          "high_mid": 1.0,
          "air": 1.399999976158142
        }
      },
      "after": {
        "lufs": -10.2,
        "peak": 0.30000001192092896,
        "rms": -11.300000190734863,
        "crest": 11.600000381469727,
        "width": 7.900000095367432,
        "low_pct": 62.900001525878906,
        "mid_pct": 33.79999923706055,
        "high_pct": 3.299999952316284,
        "centroid": 544.0,
        "bands": {
          "sub": 40.20000076293945,
          "bass": 22.700000762939453,
          "low_mid": 28.899999618530273,
          "mid": 4.900000095367432,
          "high_mid": 1.2999999523162842,
          "air": 2.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.266400009393692,
        "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": 2500,
        "mid_snap_db": -0.14000000059604645,
        "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": -0.3,
        "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": 0.06999999284744263,
        "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": 0.0,
        "side_gain_db": 0.887999951839447,
        "_global_low": 72.9000015258789,
        "_global_mid": 24.700000762939453,
        "_global_high": 2.4000000953674316
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=73% Mid=25% High=2% W=6.5% Crest=13.3",
        "   目标: Low=77% Mid=23% High=0% W=13.9% Crest=13.2",
        "   差值: ΔLow=-4% ΔMid=+2% ΔHigh=+2% ΔW=-7.4% ΔCrest=+0.1",
        "   低频接近目标(Δ-4%) → 微调模式",
        "   高频偏多+2%: 空气感=0.1dB",
        "   LowMid接近目标(Δ-2%) → 不调",
        "   Mid偏多+4%: 2.5kHz=-0.1dB q=1.0",
        "   宽度偏窄-7.4%: Side=+0.9dB",
        "   动态接近目标(Δ+0.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2137.0,
        "onset_density": 2.5,
        "low_energy": 75.0
      },
      "ref": {
        "lufs": -9.3,
        "peak": 1.7999999523162842,
        "rms": -11.300000190734863,
        "crest": 13.199999809265137,
        "width": 13.899999618530273,
        "low_pct": 77.0,
        "mid_pct": 22.899999618530273,
        "high_pct": 0.10000000149011612,
        "centroid": 165.0,
        "bands": {
          "sub": 26.600000381469727,
          "bass": 50.400001525878906,
          "low_mid": 22.299999237060547,
          "mid": 0.6000000238418579,
          "high_mid": 0.10000000149011612,
          "air": 0.0
        }
      }
    }
  ],
  "time": 61.8
}