{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260424-122847-e4c683/01_Chantaje_20260424/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260424-122847-e4c683/01_Chantaje_20260424/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.3,
        "peak": -1.2999999523162842,
        "rms": -14.699999809265137,
        "crest": 13.399999618530273,
        "width": 5.599999904632568,
        "low_pct": 68.69999694824219,
        "mid_pct": 26.399999618530273,
        "high_pct": 4.900000095367432,
        "centroid": 726.0,
        "bands": {
          "sub": 18.100000381469727,
          "bass": 50.599998474121094,
          "low_mid": 19.200000762939453,
          "mid": 7.199999809265137,
          "high_mid": 1.7999999523162842,
          "air": 3.0
        }
      },
      "after": {
        "lufs": -10.7,
        "peak": 0.0,
        "rms": -12.5,
        "crest": 12.5,
        "width": 6.300000190734863,
        "low_pct": 53.70000076293945,
        "mid_pct": 39.0,
        "high_pct": 7.300000190734863,
        "centroid": 1052.0,
        "bands": {
          "sub": 14.399999618530273,
          "bass": 39.400001525878906,
          "low_mid": 27.299999237060547,
          "mid": 11.600000381469727,
          "high_mid": 2.700000047683716,
          "air": 4.599999904632568
        }
      },
      "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": 0.11099999397993088,
        "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": -1.6599998474121094,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.1700000762939453,
        "tight_hz": 120,
        "tight_db": -0.997999906539917,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.156000018119812,
        "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": 0.4710000157356262,
        "side_gain_db": 0.0,
        "_global_low": 68.69999694824219,
        "_global_mid": 26.399999618530273,
        "_global_high": 4.900000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=69% Mid=26% High=5% W=5.6% Crest=13.4",
        "   目标: Low=52% Mid=46% High=2% W=4.1% Crest=10.9",
        "   差值: ΔLow=+17% ΔMid=-19% ΔHigh=+3% ΔW=+1.5% ΔCrest=+2.5",
        "   低频偏多+17%: 去闷=-1.7dB, 低频增强=0.2dB, 收紧=-1.0dB",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏少-16%: 600Hz=+0.5dB",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   Air偏多+2.2%: 空气感再降0.2dB→-0.2dB",
        "   宽度接近目标(Δ+1.5%) → Side增益归零",
        "   动态接近目标(Δ+2.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 3026.0,
        "onset_density": 4.2,
        "low_energy": 74.69999694824219
      },
      "ref": {
        "lufs": -7.8,
        "peak": 1.0,
        "rms": -9.899999618530273,
        "crest": 10.899999618530273,
        "width": 4.099999904632568,
        "low_pct": 52.099998474121094,
        "mid_pct": 45.79999923706055,
        "high_pct": 2.0999999046325684,
        "centroid": 595.0,
        "bands": {
          "sub": 11.399999618530273,
          "bass": 40.599998474121094,
          "low_mid": 34.900001525878906,
          "mid": 10.899999618530273,
          "high_mid": 1.2999999523162842,
          "air": 0.800000011920929
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260424-122847-e4c683/01_Chantaje_20260424/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260424-122847-e4c683/01_Chantaje_20260424/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.8,
        "peak": -2.0999999046325684,
        "rms": -15.199999809265137,
        "crest": 13.199999809265137,
        "width": 6.099999904632568,
        "low_pct": 67.80000305175781,
        "mid_pct": 29.0,
        "high_pct": 3.200000047683716,
        "centroid": 542.0,
        "bands": {
          "sub": 14.300000190734863,
          "bass": 53.5,
          "low_mid": 25.0,
          "mid": 3.9000000953674316,
          "high_mid": 1.2999999523162842,
          "air": 1.7999999523162842
        }
      },
      "after": {
        "lufs": -10.9,
        "peak": 0.0,
        "rms": -12.699999809265137,
        "crest": 12.699999809265137,
        "width": 6.099999904632568,
        "low_pct": 55.29999923706055,
        "mid_pct": 40.0,
        "high_pct": 4.699999809265137,
        "centroid": 750.0,
        "bands": {
          "sub": 13.199999809265137,
          "bass": 42.099998474121094,
          "low_mid": 33.70000076293945,
          "mid": 6.199999809265137,
          "high_mid": 1.899999976158142,
          "air": 2.700000047683716
        }
      },
      "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": 0.20999997854232788,
        "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": -1.5700005292892456,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.2149997353553772,
        "tight_hz": 120,
        "tight_db": -0.9710001349449158,
        "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": 0.29700005054473877,
        "side_gain_db": 0.0,
        "_global_low": 67.80000305175781,
        "_global_mid": 29.0,
        "_global_high": 3.200000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=68% Mid=29% High=3% W=6.1% Crest=13.2",
        "   目标: Low=52% Mid=46% High=2% W=4.1% Crest=10.9",
        "   差值: ΔLow=+16% ΔMid=-17% ΔHigh=+1% ΔW=+2.0% ΔCrest=+2.3",
        "   低频偏多+16%: 去闷=-1.6dB, 低频增强=0.2dB, 收紧=-1.0dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-10%: 600Hz=+0.3dB",
        "   Mid偏少-7%: 2.5kHz=+0.2dB q=1.0",
        "   宽度接近目标(Δ+2.0%) → Side增益归零",
        "   动态接近目标(Δ+2.3dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 2443.0,
        "onset_density": 4.2,
        "low_energy": 62.900001525878906
      },
      "ref": {
        "lufs": -7.8,
        "peak": 1.0,
        "rms": -9.899999618530273,
        "crest": 10.899999618530273,
        "width": 4.099999904632568,
        "low_pct": 52.099998474121094,
        "mid_pct": 45.79999923706055,
        "high_pct": 2.0999999046325684,
        "centroid": 595.0,
        "bands": {
          "sub": 11.399999618530273,
          "bass": 40.599998474121094,
          "low_mid": 34.900001525878906,
          "mid": 10.899999618530273,
          "high_mid": 1.2999999523162842,
          "air": 0.800000011920929
        }
      }
    }
  ],
  "time": 38.6
}