{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-222706-036525/01_Merry-Go-Round_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-222706-036525/01_Merry-Go-Round_20260512/suno_mixed_0.mp3",
      "before": {
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        "low_pct": 34.70000076293945,
        "mid_pct": 64.80000305175781,
        "high_pct": 0.4000000059604645,
        "centroid": 617.0,
        "bands": {
          "sub": 5.300000190734863,
          "bass": 29.5,
          "low_mid": 48.400001525878906,
          "mid": 16.5,
          "high_mid": 0.4000000059604645,
          "air": 0.10000000149011612
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      },
      "after": {
        "lufs": -9.4,
        "peak": -0.30000001192092896,
        "rms": -12.399999618530273,
        "crest": 12.100000381469727,
        "width": 28.0,
        "low_pct": 30.700000762939453,
        "mid_pct": 68.9000015258789,
        "high_pct": 0.4000000059604645,
        "centroid": 633.0,
        "bands": {
          "sub": 4.800000190734863,
          "bass": 25.899999618530273,
          "low_mid": 52.20000076293945,
          "mid": 16.700000762939453,
          "high_mid": 0.4000000059604645,
          "air": 0.10000000149011612
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      },
      "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": -0.42799997329711914,
        "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": 0.03199998661875725,
        "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": -5.59999942779541,
        "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": 0.3269999325275421,
        "side_gain_db": 0.0,
        "_global_low": 34.70000076293945,
        "_global_mid": 64.80000305175781,
        "_global_high": 0.4000000059604645
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=35% Mid=65% High=0% W=31.7% Crest=13.9",
        "   目标: Low=35% Mid=65% High=0% W=31.6% Crest=18.7",
        "   差值: ΔLow=-0% ΔMid=-0% ΔHigh=+0% ΔW=+0.1% ΔCrest=-4.8",
        "   低频接近目标(Δ-0%) → 微调模式",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-11%: 600Hz=+0.3dB",
        "   Mid偏多+11%: 2.5kHz=-0.4dB q=1.0",
        "   宽度接近目标(Δ+0.1%) → Side增益归零",
        "   动态偏小-4.8dB: 压缩阈值=-5.6dB, PC mix=3%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 1527.0,
        "onset_density": 3.0,
        "low_energy": 43.70000076293945
      },
      "ref": {
        "lufs": -16.1,
        "peak": -0.30000001192092896,
        "rms": -19.0,
        "crest": 18.700000762939453,
        "width": 31.600000381469727,
        "low_pct": 34.79999923706055,
        "mid_pct": 65.0999984741211,
        "high_pct": 0.0,
        "centroid": 463.0,
        "bands": {
          "sub": 0.10000000149011612,
          "bass": 34.70000076293945,
          "low_mid": 59.29999923706055,
          "mid": 5.800000190734863,
          "high_mid": 0.0,
          "air": 0.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-222706-036525/01_Merry-Go-Round_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-222706-036525/01_Merry-Go-Round_20260512/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.7,
        "peak": -1.100000023841858,
        "rms": -16.5,
        "crest": 15.399999618530273,
        "width": 32.0,
        "low_pct": 41.5,
        "mid_pct": 57.70000076293945,
        "high_pct": 0.800000011920929,
        "centroid": 636.0,
        "bands": {
          "sub": 3.799999952316284,
          "bass": 37.599998474121094,
          "low_mid": 41.900001525878906,
          "mid": 15.800000190734863,
          "high_mid": 0.699999988079071,
          "air": 0.10000000149011612
        }
      },
      "after": {
        "lufs": -11.0,
        "peak": -0.5,
        "rms": -13.899999618530273,
        "crest": 13.399999618530273,
        "width": 27.700000762939453,
        "low_pct": 35.5,
        "mid_pct": 63.599998474121094,
        "high_pct": 0.800000011920929,
        "centroid": 667.0,
        "bands": {
          "sub": 3.700000047683716,
          "bass": 31.899999618530273,
          "low_mid": 47.20000076293945,
          "mid": 16.399999618530273,
          "high_mid": 0.699999988079071,
          "air": 0.10000000149011612
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.3999999761581421,
        "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": 0.046999987214803696,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.6700000762939453,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6649999618530273,
        "tight_hz": 120,
        "tight_db": -0.7010000348091125,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -6.34999942779541,
        "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": 0.5,
        "side_gain_db": 0.0,
        "_global_low": 41.5,
        "_global_mid": 57.70000076293945,
        "_global_high": 0.800000011920929
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=42% Mid=58% High=1% W=32.0% Crest=15.4",
        "   目标: Low=35% Mid=65% High=0% W=31.6% Crest=18.7",
        "   差值: ΔLow=+7% ΔMid=-7% ΔHigh=+1% ΔW=+0.4% ΔCrest=-3.3",
        "   低频偏多+7%: 去闷=-0.7dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-17%: 600Hz=+0.5dB",
        "   Mid偏多+10%: 2.5kHz=-0.4dB q=1.0",
        "   宽度接近目标(Δ+0.4%) → Side增益归零",
        "   动态偏小-3.3dB: 压缩阈值=-6.3dB, PC mix=5%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 1526.0,
        "onset_density": 1.4,
        "low_energy": 38.70000076293945
      },
      "ref": {
        "lufs": -16.1,
        "peak": -0.30000001192092896,
        "rms": -19.0,
        "crest": 18.700000762939453,
        "width": 31.600000381469727,
        "low_pct": 34.79999923706055,
        "mid_pct": 65.0999984741211,
        "high_pct": 0.0,
        "centroid": 463.0,
        "bands": {
          "sub": 0.10000000149011612,
          "bass": 34.70000076293945,
          "low_mid": 59.29999923706055,
          "mid": 5.800000190734863,
          "high_mid": 0.0,
          "air": 0.0
        }
      }
    }
  ],
  "time": 22.8
}