{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-164319-cf8e28/01_Forever Young_20260418/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-164319-cf8e28/01_Forever Young_20260418/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.7,
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        "rms": -17.0,
        "crest": 15.0,
        "width": 15.800000190734863,
        "low_pct": 23.299999237060547,
        "mid_pct": 71.4000015258789,
        "high_pct": 5.300000190734863,
        "centroid": 1120.0,
        "bands": {
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          "bass": 19.100000381469727,
          "low_mid": 42.400001525878906,
          "mid": 29.100000381469727,
          "high_mid": 3.200000047683716,
          "air": 2.0
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      },
      "after": {
        "lufs": -9.7,
        "peak": 0.20000000298023224,
        "rms": -12.899999618530273,
        "crest": 13.100000381469727,
        "width": 15.100000381469727,
        "low_pct": 21.600000381469727,
        "mid_pct": 73.19999694824219,
        "high_pct": 5.199999809265137,
        "centroid": 1108.0,
        "bands": {
          "sub": 3.5999999046325684,
          "bass": 18.0,
          "low_mid": 44.900001525878906,
          "mid": 28.299999237060547,
          "high_mid": 3.0999999046325684,
          "air": 2.0999999046325684
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.12599997222423553,
        "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": -0.5,
        "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": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.5799999237060547,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.7100000381469727,
        "tight_hz": 120,
        "tight_db": -0.6739999651908875,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.09000000357627869,
        "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": 0.4199998676776886,
        "_global_low": 23.299999237060547,
        "_global_mid": 71.4000015258789,
        "_global_high": 5.300000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=23% Mid=71% High=5% W=15.8% Crest=15.0",
        "   目标: Low=18% Mid=81% High=1% W=19.3% Crest=16.2",
        "   差值: ΔLow=+6% ΔMid=-10% ΔHigh=+4% ΔW=-3.5% ΔCrest=-1.2",
        "   低频偏多+6%: 去闷=-0.6dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频偏多+4%: 空气感=-0.1dB",
        "   LowMid偏少-34%: 600Hz=+0.5dB",
        "   Mid偏多+24%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏窄-3.5%: Side=+0.4dB",
        "   动态接近目标(Δ-1.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2207.0,
        "onset_density": 2.6,
        "low_energy": 24.100000381469727
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      "ref": {
        "lufs": -13.1,
        "peak": -0.10000000149011612,
        "rms": -16.299999237060547,
        "crest": 16.200000762939453,
        "width": 19.299999237060547,
        "low_pct": 17.5,
        "mid_pct": 81.0999984741211,
        "high_pct": 1.399999976158142,
        "centroid": 538.0,
        "bands": {
          "sub": 0.0,
          "bass": 17.5,
          "low_mid": 76.19999694824219,
          "mid": 5.0,
          "high_mid": 1.100000023841858,
          "air": 0.30000001192092896
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260418-164319-cf8e28/01_Forever Young_20260418/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260418-164319-cf8e28/01_Forever Young_20260418/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.4,
        "peak": -0.6000000238418579,
        "rms": -15.300000190734863,
        "crest": 14.699999809265137,
        "width": 18.299999237060547,
        "low_pct": 47.29999923706055,
        "mid_pct": 48.70000076293945,
        "high_pct": 3.9000000953674316,
        "centroid": 680.0,
        "bands": {
          "sub": 15.199999809265137,
          "bass": 32.099998474121094,
          "low_mid": 39.900001525878906,
          "mid": 8.800000190734863,
          "high_mid": 1.7999999523162842,
          "air": 2.0999999046325684
        }
      },
      "after": {
        "lufs": -9.2,
        "peak": 0.30000001192092896,
        "rms": -12.199999809265137,
        "crest": 12.5,
        "width": 16.600000381469727,
        "low_pct": 40.400001525878906,
        "mid_pct": 54.400001525878906,
        "high_pct": 5.199999809265137,
        "centroid": 832.0,
        "bands": {
          "sub": 12.399999618530273,
          "bass": 28.0,
          "low_mid": 44.0,
          "mid": 10.399999618530273,
          "high_mid": 2.4000000953674316,
          "air": 2.799999952316284
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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": -0.15200001001358032,
        "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": -1.3939999341964722,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.050000011920928955,
        "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": 0.0,
        "_global_low": 47.29999923706055,
        "_global_mid": 48.70000076293945,
        "_global_high": 3.9000000953674316
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=47% Mid=49% High=4% W=18.3% Crest=14.7",
        "   目标: Low=18% Mid=81% High=1% W=19.3% Crest=16.2",
        "   差值: ΔLow=+30% ΔMid=-32% ΔHigh=+2% ΔW=-1.0% ΔCrest=-1.5",
        "   低频偏多+30%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.4dB",
        "   高频偏多+2%: 空气感=0.1dB",
        "   LowMid偏少-36%: 600Hz=+0.5dB",
        "   Mid偏多+4%: 2.5kHz=-0.2dB q=1.0",
        "   宽度接近目标(Δ-1.0%) → Side增益归零",
        "   动态接近目标(Δ-1.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1627.0,
        "onset_density": 1.8,
        "low_energy": 35.099998474121094
      },
      "ref": {
        "lufs": -13.1,
        "peak": -0.10000000149011612,
        "rms": -16.299999237060547,
        "crest": 16.200000762939453,
        "width": 19.299999237060547,
        "low_pct": 17.5,
        "mid_pct": 81.0999984741211,
        "high_pct": 1.399999976158142,
        "centroid": 538.0,
        "bands": {
          "sub": 0.0,
          "bass": 17.5,
          "low_mid": 76.19999694824219,
          "mid": 5.0,
          "high_mid": 1.100000023841858,
          "air": 0.30000001192092896
        }
      }
    }
  ],
  "time": 50.0
}