{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-150822-cd4f4e/01_Old Dirt Roads_20260507/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-150822-cd4f4e/01_Old Dirt Roads_20260507/suno_mixed_0.mp3",
      "before": {
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        "peak": -1.7000000476837158,
        "rms": -15.5,
        "crest": 13.800000190734863,
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        "low_pct": 54.599998474121094,
        "mid_pct": 40.599998474121094,
        "high_pct": 4.800000190734863,
        "centroid": 1003.0,
        "bands": {
          "sub": 11.699999809265137,
          "bass": 42.900001525878906,
          "low_mid": 15.100000381469727,
          "mid": 25.5,
          "high_mid": 2.700000047683716,
          "air": 2.0999999046325684
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      },
      "after": {
        "lufs": -10.4,
        "peak": 0.10000000149011612,
        "rms": -13.199999809265137,
        "crest": 13.300000190734863,
        "width": 12.800000190734863,
        "low_pct": 47.599998474121094,
        "mid_pct": 46.900001525878906,
        "high_pct": 5.5,
        "centroid": 1127.0,
        "bands": {
          "sub": 9.600000381469727,
          "bass": 38.0,
          "low_mid": 17.899999618530273,
          "mid": 29.0,
          "high_mid": 3.0,
          "air": 2.5
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.12600000202655792,
        "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": -0.31599998474121094,
        "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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.9699996709823608,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.01500016450881958,
        "tight_hz": 120,
        "tight_db": -1.0909998416900635,
        "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": 0.41999998688697815,
        "_global_low": 54.599998474121094,
        "_global_mid": 40.599998474121094,
        "_global_high": 4.800000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=55% Mid=41% High=5% W=12.1% Crest=13.8",
        "   目标: Low=35% Mid=62% High=3% W=15.6% Crest=11.6",
        "   差值: ΔLow=+20% ΔMid=-21% ΔHigh=+2% ΔW=-3.5% ΔCrest=+2.2",
        "   低频偏多+20%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏少-29%: 600Hz=+0.5dB",
        "   Mid偏多+8%: 2.5kHz=-0.3dB q=1.0",
        "   宽度偏窄-3.5%: Side=+0.4dB",
        "   动态接近目标(Δ+2.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 83.4,
        "centroid": 3038.0,
        "onset_density": 4.1,
        "low_energy": 51.099998474121094
      },
      "ref": {
        "lufs": -6.3,
        "peak": 2.299999952316284,
        "rms": -9.199999809265137,
        "crest": 11.600000381469727,
        "width": 15.600000381469727,
        "low_pct": 34.900001525878906,
        "mid_pct": 61.70000076293945,
        "high_pct": 3.299999952316284,
        "centroid": 913.0,
        "bands": {
          "sub": 3.5999999046325684,
          "bass": 31.299999237060547,
          "low_mid": 44.099998474121094,
          "mid": 17.600000381469727,
          "high_mid": 1.7999999523162842,
          "air": 1.5
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-150822-cd4f4e/01_Old Dirt Roads_20260507/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-150822-cd4f4e/01_Old Dirt Roads_20260507/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.5,
        "peak": -1.5,
        "rms": -15.100000381469727,
        "crest": 13.699999809265137,
        "width": 15.800000190734863,
        "low_pct": 66.69999694824219,
        "mid_pct": 29.799999237060547,
        "high_pct": 3.5,
        "centroid": 690.0,
        "bands": {
          "sub": 14.100000381469727,
          "bass": 52.599998474121094,
          "low_mid": 19.700000762939453,
          "mid": 10.100000381469727,
          "high_mid": 2.0999999046325684,
          "air": 1.2999999523162842
        }
      },
      "after": {
        "lufs": -10.0,
        "peak": 0.30000001192092896,
        "rms": -13.0,
        "crest": 13.300000190734863,
        "width": 14.899999618530273,
        "low_pct": 57.599998474121094,
        "mid_pct": 38.0,
        "high_pct": 4.400000095367432,
        "centroid": 864.0,
        "bands": {
          "sub": 11.199999809265137,
          "bass": 46.29999923706055,
          "low_mid": 24.799999237060547,
          "mid": 13.300000190734863,
          "high_mid": 2.700000047683716,
          "air": 1.7000000476837158
        }
      },
      "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": 0.22499999403953552,
        "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": -1.5,
        "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": -1.4539997577667236,
        "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": 0.0,
        "_global_low": 66.69999694824219,
        "_global_mid": 29.799999237060547,
        "_global_high": 3.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=67% Mid=30% High=4% W=15.8% Crest=13.7",
        "   目标: Low=35% Mid=62% High=3% W=15.6% Crest=11.6",
        "   差值: ΔLow=+32% ΔMid=-32% ΔHigh=+0% ΔW=+0.2% ΔCrest=+2.1",
        "   低频偏多+32%: 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-24%: 600Hz=+0.5dB",
        "   Mid偏少-8%: 2.5kHz=+0.2dB q=1.0",
        "   宽度接近目标(Δ+0.2%) → Side增益归零",
        "   动态接近目标(Δ+2.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "jazz",
        "confidence": "low",
        "source": "audio",
        "bpm": 83.4,
        "centroid": 2550.0,
        "onset_density": 3.5,
        "low_energy": 58.20000076293945
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      "ref": {
        "lufs": -6.3,
        "peak": 2.299999952316284,
        "rms": -9.199999809265137,
        "crest": 11.600000381469727,
        "width": 15.600000381469727,
        "low_pct": 34.900001525878906,
        "mid_pct": 61.70000076293945,
        "high_pct": 3.299999952316284,
        "centroid": 913.0,
        "bands": {
          "sub": 3.5999999046325684,
          "bass": 31.299999237060547,
          "low_mid": 44.099998474121094,
          "mid": 17.600000381469727,
          "high_mid": 1.7999999523162842,
          "air": 1.5
        }
      }
    }
  ],
  "time": 43.8
}