{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-151958-ff8cff/07_答案_回声不散_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-151958-ff8cff/07_答案_回声不散_20260512/suno_mixed_0.mp3",
      "before": {
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        "low_pct": 61.5,
        "mid_pct": 36.5,
        "high_pct": 2.0,
        "centroid": 660.0,
        "bands": {
          "sub": 17.0,
          "bass": 44.5,
          "low_mid": 18.799999237060547,
          "mid": 17.600000381469727,
          "high_mid": 1.5,
          "air": 0.5
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        "lufs": -10.1,
        "peak": 0.20000000298023224,
        "rms": -13.5,
        "crest": 13.600000381469727,
        "width": 12.600000381469727,
        "low_pct": 51.400001525878906,
        "mid_pct": 46.0,
        "high_pct": 2.5,
        "centroid": 816.0,
        "bands": {
          "sub": 11.300000190734863,
          "bass": 40.20000076293945,
          "low_mid": 23.799999237060547,
          "mid": 22.200000762939453,
          "high_mid": 1.899999976158142,
          "air": 0.6000000238418579
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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,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.20400001108646393,
        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.5,
        "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": 0.5,
        "side_gain_db": -0.48000001907348633,
        "_global_low": 61.5,
        "_global_mid": 36.5,
        "_global_high": 2.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=62% Mid=36% High=2% W=16.0% Crest=14.7",
        "   目标: Low=19% Mid=79% High=2% W=11.2% Crest=16.1",
        "   差值: ΔLow=+42% ΔMid=-42% ΔHigh=-0% ΔW=+4.8% ΔCrest=-1.4",
        "   低频偏多+42%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏少-47%: 600Hz=+0.5dB",
        "   Mid偏多+5%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏宽+4.8%: Side整体=-0.5dB",
        "   动态接近目标(Δ-1.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1711.0,
        "onset_density": 1.8,
        "low_energy": 58.5
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      "ref": {
        "lufs": -12.3,
        "peak": 0.20000000298023224,
        "rms": -15.899999618530273,
        "crest": 16.100000381469727,
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        "low_pct": 19.299999237060547,
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        "high_pct": 2.0999999046325684,
        "centroid": 762.0,
        "bands": {
          "sub": 0.0,
          "bass": 19.299999237060547,
          "low_mid": 66.0999984741211,
          "mid": 12.5,
          "high_mid": 1.7000000476837158,
          "air": 0.4000000059604645
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    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-151958-ff8cff/07_答案_回声不散_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-151958-ff8cff/07_答案_回声不散_20260512/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.1,
        "peak": -1.100000023841858,
        "rms": -15.399999618530273,
        "crest": 14.300000190734863,
        "width": 15.899999618530273,
        "low_pct": 42.5,
        "mid_pct": 54.0,
        "high_pct": 3.5,
        "centroid": 979.0,
        "bands": {
          "sub": 11.0,
          "bass": 31.5,
          "low_mid": 28.299999237060547,
          "mid": 25.700000762939453,
          "high_mid": 2.5,
          "air": 1.0
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      },
      "after": {
        "lufs": -10.1,
        "peak": 0.0,
        "rms": -13.5,
        "crest": 13.5,
        "width": 13.0,
        "low_pct": 35.099998474121094,
        "mid_pct": 60.79999923706055,
        "high_pct": 4.099999904632568,
        "centroid": 1092.0,
        "bands": {
          "sub": 8.5,
          "bass": 26.600000381469727,
          "low_mid": 32.599998474121094,
          "mid": 28.200000762939453,
          "high_mid": 2.9000000953674316,
          "air": 1.2000000476837158
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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,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.5,
        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.1959999799728394,
        "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": 0.5,
        "side_gain_db": -0.4699999988079071,
        "_global_low": 42.5,
        "_global_mid": 54.0,
        "_global_high": 3.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=42% Mid=54% High=4% W=15.9% Crest=14.3",
        "   目标: Low=19% Mid=79% High=2% W=11.2% Crest=16.1",
        "   差值: ΔLow=+23% ΔMid=-25% ΔHigh=+1% ΔW=+4.7% ΔCrest=-1.8",
        "   低频偏多+23%: 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-38%: 600Hz=+0.5dB",
        "   Mid偏多+13%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏宽+4.7%: Side整体=-0.5dB",
        "   动态接近目标(Δ-1.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1690.0,
        "onset_density": 1.4,
        "low_energy": 58.5
      },
      "ref": {
        "lufs": -12.3,
        "peak": 0.20000000298023224,
        "rms": -15.899999618530273,
        "crest": 16.100000381469727,
        "width": 11.199999809265137,
        "low_pct": 19.299999237060547,
        "mid_pct": 78.5999984741211,
        "high_pct": 2.0999999046325684,
        "centroid": 762.0,
        "bands": {
          "sub": 0.0,
          "bass": 19.299999237060547,
          "low_mid": 66.0999984741211,
          "mid": 12.5,
          "high_mid": 1.7000000476837158,
          "air": 0.4000000059604645
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      }
    }
  ],
  "time": 37.3
}