{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260419-130249-a7b0a5/01_20 Cigarettes_20260419/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260419-130249-a7b0a5/01_20 Cigarettes_20260419/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.6,
        "peak": -2.5,
        "rms": -16.200000762939453,
        "crest": 13.699999809265137,
        "width": 13.0,
        "low_pct": 45.5,
        "mid_pct": 48.099998474121094,
        "high_pct": 6.400000095367432,
        "centroid": 1057.0,
        "bands": {
          "sub": 17.5,
          "bass": 27.899999618530273,
          "low_mid": 31.600000381469727,
          "mid": 16.5,
          "high_mid": 3.5999999046325684,
          "air": 2.799999952316284
        }
      },
      "after": {
        "lufs": -9.6,
        "peak": 0.30000001192092896,
        "rms": -12.300000190734863,
        "crest": 12.600000381469727,
        "width": 11.199999809265137,
        "low_pct": 38.79999923706055,
        "mid_pct": 54.5,
        "high_pct": 6.699999809265137,
        "centroid": 1123.0,
        "bands": {
          "sub": 16.5,
          "bass": 22.299999237060547,
          "low_mid": 36.900001525878906,
          "mid": 17.600000381469727,
          "high_mid": 3.799999952316284,
          "air": 2.9000000953674316
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "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": -0.3359999656677246,
        "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": -1.0900001525878906,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.4549999237060547,
        "tight_hz": 120,
        "tight_db": -0.8270000219345093,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.5160000324249268,
        "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": -0.2600000500679016,
        "_global_low": 45.5,
        "_global_mid": 48.099998474121094,
        "_global_high": 6.400000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=46% Mid=48% High=6% W=13.0% Crest=13.7",
        "   目标: Low=35% Mid=65% High=0% W=10.4% Crest=12.0",
        "   差值: ΔLow=+11% ΔMid=-17% ΔHigh=+6% ΔW=+2.6% ΔCrest=+1.7",
        "   低频偏多+11%: 去闷=-1.1dB, 低频增强=0.5dB, 收紧=-0.8dB",
        "   高频偏多+6%: 空气感=-0.3dB",
        "   LowMid偏少-25%: 600Hz=+0.5dB",
        "   Mid偏多+8%: 2.5kHz=-0.3dB q=1.0",
        "   Air偏多+2.7%: 空气感再降0.2dB→-0.5dB",
        "   宽度偏宽+2.6%: Side整体=-0.3dB",
        "   动态接近目标(Δ+1.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 2324.0,
        "onset_density": 3.5,
        "low_energy": 62.5
      },
      "ref": {
        "lufs": -7.9,
        "peak": 1.2999999523162842,
        "rms": -10.600000381469727,
        "crest": 12.0,
        "width": 10.399999618530273,
        "low_pct": 34.599998474121094,
        "mid_pct": 65.0,
        "high_pct": 0.4000000059604645,
        "centroid": 487.0,
        "bands": {
          "sub": 4.099999904632568,
          "bass": 30.5,
          "low_mid": 56.900001525878906,
          "mid": 8.100000381469727,
          "high_mid": 0.20000000298023224,
          "air": 0.10000000149011612
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260419-130249-a7b0a5/01_20 Cigarettes_20260419/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260419-130249-a7b0a5/01_20 Cigarettes_20260419/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -2.0999999046325684,
        "rms": -15.699999809265137,
        "crest": 13.699999809265137,
        "width": 13.5,
        "low_pct": 50.20000076293945,
        "mid_pct": 46.20000076293945,
        "high_pct": 3.5999999046325684,
        "centroid": 861.0,
        "bands": {
          "sub": 7.599999904632568,
          "bass": 42.599998474121094,
          "low_mid": 24.899999618530273,
          "mid": 21.299999237060547,
          "high_mid": 2.299999952316284,
          "air": 1.2999999523162842
        }
      },
      "after": {
        "lufs": -9.5,
        "peak": 0.30000001192092896,
        "rms": -12.300000190734863,
        "crest": 12.600000381469727,
        "width": 12.399999618530273,
        "low_pct": 42.70000076293945,
        "mid_pct": 53.29999923706055,
        "high_pct": 4.0,
        "centroid": 945.0,
        "bands": {
          "sub": 6.099999904632568,
          "bass": 36.599998474121094,
          "low_mid": 30.299999237060547,
          "mid": 23.0,
          "high_mid": 2.5,
          "air": 1.5
        }
      },
      "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": -0.5,
        "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": -1.5600003004074097,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.21999984979629517,
        "tight_hz": 120,
        "tight_db": -0.968000054359436,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.019999980926513672,
        "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": -0.3100000321865082,
        "_global_low": 50.20000076293945,
        "_global_mid": 46.20000076293945,
        "_global_high": 3.5999999046325684
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=50% Mid=46% High=4% W=13.5% Crest=13.7",
        "   目标: Low=35% Mid=65% High=0% W=10.4% Crest=12.0",
        "   差值: ΔLow=+16% ΔMid=-19% ΔHigh=+3% ΔW=+3.1% ΔCrest=+1.7",
        "   低频偏多+16%: 去闷=-1.6dB, 低频增强=0.2dB, 收紧=-1.0dB",
        "   高频偏多+3%: 空气感=-0.0dB",
        "   LowMid偏少-32%: 600Hz=+0.5dB",
        "   Mid偏多+13%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏宽+3.1%: Side整体=-0.3dB",
        "   动态接近目标(Δ+1.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 99.4,
        "centroid": 2435.0,
        "onset_density": 3.9,
        "low_energy": 64.5
      },
      "ref": {
        "lufs": -7.9,
        "peak": 1.2999999523162842,
        "rms": -10.600000381469727,
        "crest": 12.0,
        "width": 10.399999618530273,
        "low_pct": 34.599998474121094,
        "mid_pct": 65.0,
        "high_pct": 0.4000000059604645,
        "centroid": 487.0,
        "bands": {
          "sub": 4.099999904632568,
          "bass": 30.5,
          "low_mid": 56.900001525878906,
          "mid": 8.100000381469727,
          "high_mid": 0.20000000298023224,
          "air": 0.10000000149011612
        }
      }
    }
  ],
  "time": 72.3
}