{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-224608-80434f/01_Merry-Go-Round_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-224608-80434f/01_Merry-Go-Round_20260512/suno_mixed_0.mp3",
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          "mid": 8.0,
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        "lufs": -9.7,
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        "low_pct": 50.400001525878906,
        "mid_pct": 48.79999923706055,
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        "centroid": 516.0,
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          "low_mid": 38.5,
          "mid": 10.300000190734863,
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        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.08999999612569809,
        "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": 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,
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        "dull_db": -2.0,
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        "sub_shelf_db": 0.0,
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        "air_hz": 16000,
        "air_db": 0.3,
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        "comp_ratio": 2.0,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
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        "mp3_bitrate": 320,
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        "_global_mid": 39.900001525878906,
        "_global_high": 0.699999988079071
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=59% Mid=40% High=1% W=29.1% Crest=13.8",
        "   目标: Low=35% Mid=65% High=0% W=31.6% Crest=18.7",
        "   差值: ΔLow=+25% ΔMid=-25% ΔHigh=+1% ΔW=-2.5% ΔCrest=-4.9",
        "   低频偏多+25%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.2dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-27%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ+2%) → 不调",
        "   宽度偏窄-2.5%: Side=+0.3dB",
        "   动态偏小-4.9dB: 压缩阈值=-5.5dB, PC mix=3%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 1434.0,
        "onset_density": 3.3,
        "low_energy": 47.400001525878906
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        "lufs": -16.1,
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        "rms": -19.0,
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        "high_pct": 0.0,
        "centroid": 463.0,
        "bands": {
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          "low_mid": 59.29999923706055,
          "mid": 5.800000190734863,
          "high_mid": 0.0,
          "air": 0.0
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-224608-80434f/01_Merry-Go-Round_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-224608-80434f/01_Merry-Go-Round_20260512/suno_mixed_1.mp3",
      "before": {
        "lufs": -10.9,
        "peak": 0.10000000149011612,
        "rms": -13.199999809265137,
        "crest": 13.300000190734863,
        "width": 25.5,
        "low_pct": 49.5,
        "mid_pct": 49.70000076293945,
        "high_pct": 0.800000011920929,
        "centroid": 495.0,
        "bands": {
          "sub": 8.300000190734863,
          "bass": 41.20000076293945,
          "low_mid": 40.79999923706055,
          "mid": 8.899999618530273,
          "high_mid": 0.6000000238418579,
          "air": 0.20000000298023224
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        "lufs": -8.9,
        "peak": 0.30000001192092896,
        "rms": -11.300000190734863,
        "crest": 11.600000381469727,
        "width": 26.0,
        "low_pct": 44.400001525878906,
        "mid_pct": 54.79999923706055,
        "high_pct": 0.800000011920929,
        "centroid": 542.0,
        "bands": {
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          "bass": 37.20000076293945,
          "low_mid": 44.5,
          "mid": 10.300000190734863,
          "high_mid": 0.699999988079071,
          "air": 0.20000000298023224
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.21960002183914185,
        "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": -0.12399997562170029,
        "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": 0.025999993085861206,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.470000147819519,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.2649999260902405,
        "tight_hz": 120,
        "tight_db": -0.9409999847412109,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -5.299999713897705,
        "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": 0.7320000529289246,
        "_global_low": 49.5,
        "_global_mid": 49.70000076293945,
        "_global_high": 0.800000011920929
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=50% Mid=50% High=1% W=25.5% Crest=13.3",
        "   目标: Low=35% Mid=65% High=0% W=31.6% Crest=18.7",
        "   差值: ΔLow=+15% ΔMid=-15% ΔHigh=+1% ΔW=-6.1% ΔCrest=-5.4",
        "   低频偏多+15%: 去闷=-1.5dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-18%: 600Hz=+0.5dB",
        "   Mid偏多+3%: 2.5kHz=-0.1dB q=1.0",
        "   宽度偏窄-6.1%: Side=+0.7dB",
        "   动态偏小-5.4dB: 压缩阈值=-5.3dB, PC mix=3%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 161.5,
        "centroid": 1681.0,
        "onset_density": 3.7,
        "low_energy": 44.5
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      "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": {
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          "bass": 34.70000076293945,
          "low_mid": 59.29999923706055,
          "mid": 5.800000190734863,
          "high_mid": 0.0,
          "air": 0.0
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      }
    }
  ],
  "time": 56.3
}