{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-181436-a23b99/03_La la lost you_20260412/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-181436-a23b99/03_La la lost you_20260412/suno_mixed_0.mp3",
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        "rms": -12.5,
        "crest": 12.899999618530273,
        "width": 9.5,
        "low_pct": 73.5,
        "mid_pct": 25.700000762939453,
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        "centroid": 265.0,
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          "low_mid": 24.0,
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
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        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
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        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
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        "parallel_comp_enabled": true,
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        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
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        "dull_hz": 300,
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        "sub_shelf_db": 0.0,
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        "tight_db": -1.5,
        "tight_q": 1.5,
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        "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,
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        "mp3_bitrate": 320,
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        "_global_mid": 19.700000762939453,
        "_global_high": 0.5
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=80% Mid=20% High=0% W=8.3% Crest=14.0",
        "   目标: Low=16% Mid=83% High=1% W=11.8% Crest=16.0",
        "   差值: ΔLow=+64% ΔMid=-63% ΔHigh=-0% ΔW=-3.5% ΔCrest=-2.0",
        "   低频偏多+64%: 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-59%: 600Hz=+0.5dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-3.5%: Side=+0.4dB",
        "   动态接近目标(Δ-2.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
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        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1830.0,
        "onset_density": 2.5,
        "low_energy": 37.5
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      "ref": {
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        "crest": 16.0,
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          "low_mid": 77.69999694824219,
          "mid": 5.400000095367432,
          "high_mid": 0.699999988079071,
          "air": 0.20000000298023224
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    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-181436-a23b99/03_La la lost you_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-181436-a23b99/03_La la lost you_20260412/suno_mixed_1.mp3",
      "before": {
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        "peak": -0.4000000059604645,
        "rms": -14.699999809265137,
        "crest": 14.300000190734863,
        "width": 9.600000381469727,
        "low_pct": 64.80000305175781,
        "mid_pct": 33.599998474121094,
        "high_pct": 1.5,
        "centroid": 338.0,
        "bands": {
          "sub": 19.600000381469727,
          "bass": 45.20000076293945,
          "low_mid": 32.29999923706055,
          "mid": 1.2999999523162842,
          "high_mid": 0.6000000238418579,
          "air": 0.8999999761581421
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      "after": {
        "lufs": -10.4,
        "peak": 0.4000000059604645,
        "rms": -12.600000381469727,
        "crest": 13.0,
        "width": 11.699999809265137,
        "low_pct": 54.79999923706055,
        "mid_pct": 42.599998474121094,
        "high_pct": 2.5999999046325684,
        "centroid": 473.0,
        "bands": {
          "sub": 18.899999618530273,
          "bass": 35.79999923706055,
          "low_mid": 40.70000076293945,
          "mid": 1.899999976158142,
          "high_mid": 1.0,
          "air": 1.600000023841858
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.07919999212026596,
        "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": 0.12300001084804535,
        "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": -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": 0.26399996876716614,
        "_global_low": 64.80000305175781,
        "_global_mid": 33.599998474121094,
        "_global_high": 1.5
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=65% Mid=34% High=2% W=9.6% Crest=14.3",
        "   目标: Low=16% Mid=83% High=1% W=11.8% Crest=16.0",
        "   差值: ΔLow=+49% ΔMid=-50% ΔHigh=+1% ΔW=-2.2% ΔCrest=-1.7",
        "   低频偏多+49%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-45%: 600Hz=+0.5dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-2.2%: Side=+0.3dB",
        "   动态接近目标(Δ-1.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1958.0,
        "onset_density": 2.6,
        "low_energy": 50.29999923706055
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      "ref": {
        "lufs": -12.8,
        "peak": 0.30000001192092896,
        "rms": -15.800000190734863,
        "crest": 16.0,
        "width": 11.800000190734863,
        "low_pct": 16.0,
        "mid_pct": 83.0999984741211,
        "high_pct": 0.8999999761581421,
        "centroid": 597.0,
        "bands": {
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          "bass": 16.0,
          "low_mid": 77.69999694824219,
          "mid": 5.400000095367432,
          "high_mid": 0.699999988079071,
          "air": 0.20000000298023224
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      }
    }
  ],
  "time": 57.5
}