{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260429-205647-c51967/01_Fix You_20260429/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260429-205647-c51967/01_Fix You_20260429/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.8,
        "peak": -2.0999999046325684,
        "rms": -15.5,
        "crest": 13.399999618530273,
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        "low_pct": 45.29999923706055,
        "mid_pct": 48.70000076293945,
        "high_pct": 5.900000095367432,
        "centroid": 1129.0,
        "bands": {
          "sub": 10.199999809265137,
          "bass": 35.20000076293945,
          "low_mid": 26.200000762939453,
          "mid": 22.5,
          "high_mid": 3.5999999046325684,
          "air": 2.299999952316284
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      },
      "after": {
        "lufs": -9.2,
        "peak": 0.20000000298023224,
        "rms": -12.199999809265137,
        "crest": 12.399999618530273,
        "width": 16.899999618530273,
        "low_pct": 35.70000076293945,
        "mid_pct": 57.400001525878906,
        "high_pct": 6.900000095367432,
        "centroid": 1282.0,
        "bands": {
          "sub": 8.199999809265137,
          "bass": 27.5,
          "low_mid": 32.20000076293945,
          "mid": 25.100000381469727,
          "high_mid": 4.199999809265137,
          "air": 2.700000047683716
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.21960002183914185,
        "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": -0.42399999499320984,
        "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": -1.1449999809265137,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.34599998593330383,
        "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": 0.7320000529289246,
        "_global_low": 45.29999923706055,
        "_global_mid": 48.70000076293945,
        "_global_high": 5.900000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=45% Mid=49% High=6% W=14.9% Crest=13.4",
        "   目标: Low=24% Mid=75% High=1% W=21.0% Crest=14.3",
        "   差值: ΔLow=+22% ΔMid=-26% ΔHigh=+5% ΔW=-6.1% ΔCrest=-0.9",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频偏多+5%: 空气感=-0.2dB",
        "   LowMid偏少-37%: 600Hz=+0.5dB",
        "   Mid偏多+11%: 2.5kHz=-0.4dB q=1.0",
        "   Air偏多+2.2%: 空气感再降0.2dB→-0.3dB",
        "   宽度偏窄-6.1%: Side=+0.7dB",
        "   动态接近目标(Δ-0.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2094.0,
        "onset_density": 2.2,
        "low_energy": 46.0
      },
      "ref": {
        "lufs": -10.5,
        "peak": 0.4000000059604645,
        "rms": -13.899999618530273,
        "crest": 14.300000190734863,
        "width": 21.0,
        "low_pct": 23.799999237060547,
        "mid_pct": 75.0999984741211,
        "high_pct": 1.2000000476837158,
        "centroid": 657.0,
        "bands": {
          "sub": 1.2000000476837158,
          "bass": 22.600000381469727,
          "low_mid": 63.20000076293945,
          "mid": 11.899999618530273,
          "high_mid": 1.100000023841858,
          "air": 0.10000000149011612
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      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260429-205647-c51967/01_Fix You_20260429/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260429-205647-c51967/01_Fix You_20260429/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.3,
        "peak": -1.5,
        "rms": -15.100000381469727,
        "crest": 13.600000381469727,
        "width": 15.5,
        "low_pct": 53.70000076293945,
        "mid_pct": 43.29999923706055,
        "high_pct": 3.0,
        "centroid": 786.0,
        "bands": {
          "sub": 24.600000381469727,
          "bass": 29.100000381469727,
          "low_mid": 26.100000381469727,
          "mid": 17.200000762939453,
          "high_mid": 2.200000047683716,
          "air": 0.800000011920929
        }
      },
      "after": {
        "lufs": -9.1,
        "peak": 0.30000001192092896,
        "rms": -12.199999809265137,
        "crest": 12.5,
        "width": 16.100000381469727,
        "low_pct": 43.900001525878906,
        "mid_pct": 52.400001525878906,
        "high_pct": 3.700000047683716,
        "centroid": 945.0,
        "bands": {
          "sub": 19.899999618530273,
          "bass": 24.0,
          "low_mid": 31.799999237060547,
          "mid": 20.600000381469727,
          "high_mid": 2.700000047683716,
          "air": 1.0
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.1979999989271164,
        "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": -0.2120000422000885,
        "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": -1.3970000743865967,
        "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": 0.6599999666213989,
        "_global_low": 53.70000076293945,
        "_global_mid": 43.29999923706055,
        "_global_high": 3.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=54% Mid=43% High=3% W=15.5% Crest=13.6",
        "   目标: Low=24% Mid=75% High=1% W=21.0% Crest=14.3",
        "   差值: ΔLow=+30% ΔMid=-32% ΔHigh=+2% ΔW=-5.5% ΔCrest=-0.7",
        "   低频偏多+30%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.4dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏少-37%: 600Hz=+0.5dB",
        "   Mid偏多+5%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏窄-5.5%: Side=+0.7dB",
        "   动态接近目标(Δ-0.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1815.0,
        "onset_density": 2.1,
        "low_energy": 50.099998474121094
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      "ref": {
        "lufs": -10.5,
        "peak": 0.4000000059604645,
        "rms": -13.899999618530273,
        "crest": 14.300000190734863,
        "width": 21.0,
        "low_pct": 23.799999237060547,
        "mid_pct": 75.0999984741211,
        "high_pct": 1.2000000476837158,
        "centroid": 657.0,
        "bands": {
          "sub": 1.2000000476837158,
          "bass": 22.600000381469727,
          "low_mid": 63.20000076293945,
          "mid": 11.899999618530273,
          "high_mid": 1.100000023841858,
          "air": 0.10000000149011612
        }
      }
    }
  ],
  "time": 45.0
}