{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260423-093916-d92b9a/01_Beautiful_20260423/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260423-093916-d92b9a/01_Beautiful_20260423/suno_mixed_0.mp3",
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        "centroid": 450.0,
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        "peak": 0.0,
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        "crest": 12.399999618530273,
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        "low_pct": 65.69999694824219,
        "mid_pct": 29.700000762939453,
        "high_pct": 4.699999809265137,
        "centroid": 642.0,
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      "adapted_params": {
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        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.26999998092651367,
        "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": 0.2580000162124634,
        "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": -1.5099998712539673,
        "dull_q": 1.5,
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        "sub_shelf_db": 0.24500006437301636,
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        "air_hz": 16000,
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        "comp_threshold_db": -6.0,
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        "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": 0.12900003790855408,
        "side_gain_db": 0.8999999165534973,
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        "_global_mid": 22.299999237060547,
        "_global_high": 2.9000000953674316
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=75% Mid=22% High=3% W=5.9% Crest=14.6",
        "   目标: Low=60% Mid=35% High=5% W=13.4% Crest=12.9",
        "   差值: ΔLow=+15% ΔMid=-13% ΔHigh=-2% ΔW=-7.5% ΔCrest=+1.7",
        "   低频偏多+15%: 去闷=-1.5dB, 低频增强=0.2dB, 收紧=-1.0dB",
        "   高频偏少-2%: 空气感=+0.5dB",
        "   LowMid偏少-4%: 600Hz=+0.1dB",
        "   Mid偏少-9%: 2.5kHz=+0.3dB q=1.0",
        "   宽度偏窄-7.5%: Side=+0.9dB",
        "   动态接近目标(Δ+1.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 3478.0,
        "onset_density": 4.0,
        "low_energy": 64.0
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      "ref": {
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        "crest": 12.899999618530273,
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        "low_pct": 59.599998474121094,
        "mid_pct": 35.29999923706055,
        "high_pct": 5.099999904632568,
        "centroid": 788.0,
        "bands": {
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          "low_mid": 23.600000381469727,
          "mid": 11.699999809265137,
          "high_mid": 3.4000000953674316,
          "air": 1.7000000476837158
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    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260423-093916-d92b9a/01_Beautiful_20260423/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260423-093916-d92b9a/01_Beautiful_20260423/suno_mixed_1.mp3",
      "before": {
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        "peak": -1.100000023841858,
        "rms": -15.199999809265137,
        "crest": 14.0,
        "width": 8.5,
        "low_pct": 77.5,
        "mid_pct": 18.899999618530273,
        "high_pct": 3.5,
        "centroid": 491.0,
        "bands": {
          "sub": 27.399999618530273,
          "bass": 50.20000076293945,
          "low_mid": 14.699999809265137,
          "mid": 4.199999809265137,
          "high_mid": 1.899999976158142,
          "air": 1.600000023841858
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      "after": {
        "lufs": -10.7,
        "peak": 0.0,
        "rms": -12.600000381469727,
        "crest": 12.600000381469727,
        "width": 9.0,
        "low_pct": 72.5999984741211,
        "mid_pct": 22.5,
        "high_pct": 4.900000095367432,
        "centroid": 639.0,
        "bands": {
          "sub": 24.100000381469727,
          "bass": 48.5,
          "low_mid": 16.899999618530273,
          "mid": 5.599999904632568,
          "high_mid": 2.5999999046325684,
          "air": 2.299999952316284
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.17639999091625214,
        "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": 0.22499999403953552,
        "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": -1.7900002002716064,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.10499989986419678,
        "tight_hz": 120,
        "tight_db": -1.037000060081482,
        "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": 0.2670000195503235,
        "side_gain_db": 0.5879999399185181,
        "_global_low": 77.5,
        "_global_mid": 18.899999618530273,
        "_global_high": 3.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=78% Mid=19% High=4% W=8.5% Crest=14.0",
        "   目标: Low=60% Mid=35% High=5% W=13.4% Crest=12.9",
        "   差值: ΔLow=+18% ΔMid=-16% ΔHigh=-2% ΔW=-4.9% ΔCrest=+1.1",
        "   低频偏多+18%: 去闷=-1.8dB, 低频增强=0.1dB, 收紧=-1.0dB",
        "   高频接近目标(Δ-2%) → 微量空气感+0.3dB",
        "   LowMid偏少-9%: 600Hz=+0.3dB",
        "   Mid偏少-8%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-4.9%: Side=+0.6dB",
        "   动态接近目标(Δ+1.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 3185.0,
        "onset_density": 3.8,
        "low_energy": 57.400001525878906
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      "ref": {
        "lufs": -8.7,
        "peak": 1.7000000476837158,
        "rms": -11.199999809265137,
        "crest": 12.899999618530273,
        "width": 13.399999618530273,
        "low_pct": 59.599998474121094,
        "mid_pct": 35.29999923706055,
        "high_pct": 5.099999904632568,
        "centroid": 788.0,
        "bands": {
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          "bass": 31.100000381469727,
          "low_mid": 23.600000381469727,
          "mid": 11.699999809265137,
          "high_mid": 3.4000000953674316,
          "air": 1.7000000476837158
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      }
    }
  ],
  "time": 36.0
}