{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260401-223551/09_Just the Way You Are_20260401/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260401-223551/09_Just the Way You Are_20260401/suno_mixed_0.mp3",
      "before": {
        "lufs": -11.4,
        "peak": -0.699999988079071,
        "rms": -13.699999809265137,
        "crest": 13.0,
        "width": 4.5,
        "low_pct": 44.0,
        "mid_pct": 52.5,
        "high_pct": 3.5,
        "centroid": 712.0,
        "bands": {
          "sub": 27.200000762939453,
          "bass": 16.799999237060547,
          "low_mid": 42.599998474121094,
          "mid": 10.0,
          "high_mid": 2.200000047683716,
          "air": 1.2999999523162842
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      },
      "after": {
        "lufs": -9.1,
        "peak": 0.0,
        "rms": -11.5,
        "crest": 11.5,
        "width": 5.0,
        "low_pct": 46.29999923706055,
        "mid_pct": 50.20000076293945,
        "high_pct": 3.5,
        "centroid": 691.0,
        "bands": {
          "sub": 29.700000762939453,
          "bass": 16.600000381469727,
          "low_mid": 40.900001525878906,
          "mid": 9.300000190734863,
          "high_mid": 2.200000047683716,
          "air": 1.2999999523162842
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.19439999759197235,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.43400001525878906,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.43400001525878906,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.1599999964237213,
        "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": 1.5360000133514404,
        "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": -0.11999999731779099,
        "side_gain_db": 0.6479999423027039,
        "_global_low": 44.0,
        "_global_mid": 52.5,
        "_global_high": 3.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=44% Mid=52% High=4% W=4.5% Crest=13.0",
        "   目标: Low=51% Mid=44% High=4% W=9.9% Crest=11.4",
        "   差值: ΔLow=-7% ΔMid=+8% ΔHigh=-1% ΔW=-5.4% ΔCrest=+1.6",
        "   低频偏少-7%: 去闷=0, 低频增强=1.5dB, Mid低频=0.4dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏多+4%: 600Hz=-0.1dB",
        "   Mid偏多+4%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏窄-5.4%: Side=+0.6dB",
        "   动态接近目标(Δ+1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "jazz",
        "confidence": "low",
        "source": "audio",
        "bpm": 89.1,
        "centroid": 2497.0,
        "onset_density": 3.4,
        "low_energy": 47.099998474121094
      },
      "ref": {
        "lufs": -8.2,
        "peak": 1.2000000476837158,
        "rms": -10.199999809265137,
        "crest": 11.399999618530273,
        "width": 9.899999618530273,
        "low_pct": 50.70000076293945,
        "mid_pct": 44.5,
        "high_pct": 4.400000095367432,
        "centroid": 667.0,
        "bands": {
          "sub": 4.900000095367432,
          "bass": 45.79999923706055,
          "low_mid": 38.599998474121094,
          "mid": 6.0,
          "high_mid": 3.700000047683716,
          "air": 0.699999988079071
        }
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-20260401-223551/09_Just the Way You Are_20260401/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260401-223551/09_Just the Way You Are_20260401/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.7,
        "peak": -0.4000000059604645,
        "rms": -15.100000381469727,
        "crest": 14.699999809265137,
        "width": 10.899999618530273,
        "low_pct": 51.599998474121094,
        "mid_pct": 46.29999923706055,
        "high_pct": 2.200000047683716,
        "centroid": 641.0,
        "bands": {
          "sub": 10.800000190734863,
          "bass": 40.79999923706055,
          "low_mid": 35.79999923706055,
          "mid": 10.399999618530273,
          "high_mid": 1.5,
          "air": 0.699999988079071
        }
      },
      "after": {
        "lufs": -10.0,
        "peak": -0.0,
        "rms": -12.5,
        "crest": 12.5,
        "width": 10.800000190734863,
        "low_pct": 45.79999923706055,
        "mid_pct": 51.79999923706055,
        "high_pct": 2.4000000953674316,
        "centroid": 711.0,
        "bands": {
          "sub": 9.199999809265137,
          "bass": 36.599998474121094,
          "low_mid": 40.099998474121094,
          "mid": 11.699999809265137,
          "high_mid": 1.600000023841858,
          "air": 0.800000011920929
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "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": -0.1759999841451645,
        "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": 0.12950000166893005,
        "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": 0.5200000405311584,
        "comp_threshold_db": -9.980000495910645,
        "comp_ratio": 2.0,
        "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": 0.0,
        "_global_low": 51.599998474121094,
        "_global_mid": 46.29999923706055,
        "_global_high": 2.200000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=52% Mid=46% High=2% W=10.9% Crest=14.7",
        "   目标: Low=51% Mid=44% High=4% W=9.9% Crest=11.4",
        "   差值: ΔLow=+1% ΔMid=+2% ΔHigh=-2% ΔW=+1.0% ΔCrest=+3.3",
        "   低频接近目标(Δ+1%) → 微调模式",
        "   高频偏少-2%: 空气感=+0.5dB",
        "   LowMid接近目标(Δ-3%) → 不调",
        "   Mid偏多+4%: 2.5kHz=-0.2dB q=1.0",
        "   宽度接近目标(Δ+1.0%) → Side增益归零",
        "   动态偏大+3.3dB: 压缩阈值=-10.0dB, PC mix=13%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 107.7,
        "centroid": 2126.0,
        "onset_density": 3.2,
        "low_energy": 44.0
      },
      "ref": {
        "lufs": -8.2,
        "peak": 1.2000000476837158,
        "rms": -10.199999809265137,
        "crest": 11.399999618530273,
        "width": 9.899999618530273,
        "low_pct": 50.70000076293945,
        "mid_pct": 44.5,
        "high_pct": 4.400000095367432,
        "centroid": 667.0,
        "bands": {
          "sub": 4.900000095367432,
          "bass": 45.79999923706055,
          "low_mid": 38.599998474121094,
          "mid": 6.0,
          "high_mid": 3.700000047683716,
          "air": 0.699999988079071
        }
      }
    }
  ],
  "time": 44.9
}