{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-171519-761c50/01_夜曲_20260418/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-171519-761c50/01_夜曲_20260418/suno_mixed_0.mp3",
      "before": {
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      "after": {
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        "peak": 0.10000000149011612,
        "rms": -12.199999809265137,
        "crest": 12.300000190734863,
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        "low_pct": 50.900001525878906,
        "mid_pct": 42.29999923706055,
        "high_pct": 6.699999809265137,
        "centroid": 985.0,
        "bands": {
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          "bass": 32.20000076293945,
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          "mid": 9.0,
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          "air": 4.199999809265137
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.40679997205734253,
        "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": -0.18000002205371857,
        "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": -0.3,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
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        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.22999998927116394,
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        "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": 0.3179999589920044,
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        "_global_mid": 34.099998474121094,
        "_global_high": 5.099999904632568
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=61% Mid=34% High=5% W=9.5% Crest=14.2",
        "   目标: Low=58% Mid=40% High=2% W=20.8% Crest=11.3",
        "   差值: ΔLow=+3% ΔMid=-6% ΔHigh=+3% ΔW=-11.3% ΔCrest=+2.9",
        "   低频接近目标(Δ+3%) → 微调模式",
        "   高频偏多+3%: 空气感=-0.0dB",
        "   LowMid偏少-11%: 600Hz=+0.3dB",
        "   Mid偏多+5%: 2.5kHz=-0.2dB q=1.0",
        "   Air偏多+2.5%: 空气感再降0.2dB→-0.2dB",
        "   宽度偏窄-11.3%: Side=+1.4dB",
        "   动态接近目标(Δ+2.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 172.3,
        "centroid": 2077.0,
        "onset_density": 3.4,
        "low_energy": 58.29999923706055
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      "ref": {
        "lufs": -8.0,
        "peak": 1.399999976158142,
        "rms": -9.899999618530273,
        "crest": 11.300000190734863,
        "width": 20.799999237060547,
        "low_pct": 57.900001525878906,
        "mid_pct": 40.20000076293945,
        "high_pct": 1.7999999523162842,
        "centroid": 426.0,
        "bands": {
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          "bass": 49.599998474121094,
          "low_mid": 36.599998474121094,
          "mid": 3.5999999046325684,
          "high_mid": 1.2000000476837158,
          "air": 0.6000000238418579
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      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-171519-761c50/01_夜曲_20260418/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-171519-761c50/01_夜曲_20260418/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.7,
        "peak": -1.5,
        "rms": -15.300000190734863,
        "crest": 13.800000190734863,
        "width": 7.300000190734863,
        "low_pct": 58.29999923706055,
        "mid_pct": 37.099998474121094,
        "high_pct": 4.599999904632568,
        "centroid": 824.0,
        "bands": {
          "sub": 21.5,
          "bass": 36.79999923706055,
          "low_mid": 24.899999618530273,
          "mid": 12.100000381469727,
          "high_mid": 2.5,
          "air": 2.0999999046325684
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      "after": {
        "lufs": -9.5,
        "peak": -0.0,
        "rms": -12.100000381469727,
        "crest": 12.100000381469727,
        "width": 9.899999618530273,
        "low_pct": 50.29999923706055,
        "mid_pct": 44.20000076293945,
        "high_pct": 5.5,
        "centroid": 937.0,
        "bands": {
          "sub": 17.799999237060547,
          "bass": 32.5,
          "low_mid": 31.200000762939453,
          "mid": 12.899999618530273,
          "high_mid": 2.9000000953674316,
          "air": 2.5999999046325684
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      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.4859999716281891,
        "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": -0.3400000035762787,
        "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": -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": 0.02000001072883606,
        "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": 0.35099995136260986,
        "side_gain_db": 1.619999885559082,
        "_global_low": 58.29999923706055,
        "_global_mid": 37.099998474121094,
        "_global_high": 4.599999904632568
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      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=58% Mid=37% High=5% W=7.3% Crest=13.8",
        "   目标: Low=58% Mid=40% High=2% W=20.8% Crest=11.3",
        "   差值: ΔLow=+0% ΔMid=-3% ΔHigh=+3% ΔW=-13.5% ΔCrest=+2.5",
        "   低频接近目标(Δ+0%) → 微调模式",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏少-12%: 600Hz=+0.4dB",
        "   Mid偏多+8%: 2.5kHz=-0.3dB q=1.0",
        "   宽度偏窄-13.5%: Side=+1.6dB",
        "   动态接近目标(Δ+2.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "jazz",
        "confidence": "low",
        "source": "audio",
        "bpm": 89.1,
        "centroid": 2120.0,
        "onset_density": 3.5,
        "low_energy": 57.29999923706055
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      "ref": {
        "lufs": -8.0,
        "peak": 1.399999976158142,
        "rms": -9.899999618530273,
        "crest": 11.300000190734863,
        "width": 20.799999237060547,
        "low_pct": 57.900001525878906,
        "mid_pct": 40.20000076293945,
        "high_pct": 1.7999999523162842,
        "centroid": 426.0,
        "bands": {
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          "bass": 49.599998474121094,
          "low_mid": 36.599998474121094,
          "mid": 3.5999999046325684,
          "high_mid": 1.2000000476837158,
          "air": 0.6000000238418579
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      }
    }
  ],
  "time": 40.1
}