{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-172318-a6578b/03_HEARTBREAK ANNIVERSARY_20260412/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-172318-a6578b/03_HEARTBREAK ANNIVERSARY_20260412/suno_mixed_0.mp3",
      "before": {
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        "peak": 0.20000000298023224,
        "rms": -14.100000381469727,
        "crest": 14.300000190734863,
        "width": 5.300000190734863,
        "low_pct": 74.0,
        "mid_pct": 24.899999618530273,
        "high_pct": 1.0,
        "centroid": 357.0,
        "bands": {
          "sub": 15.600000381469727,
          "bass": 58.400001525878906,
          "low_mid": 19.899999618530273,
          "mid": 5.0,
          "high_mid": 0.30000001192092896,
          "air": 0.699999988079071
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      },
      "after": {
        "lufs": -10.4,
        "peak": 0.0,
        "rms": -12.0,
        "crest": 12.0,
        "width": 6.300000190734863,
        "low_pct": 64.0,
        "mid_pct": 34.29999923706055,
        "high_pct": 1.600000023841858,
        "centroid": 476.0,
        "bands": {
          "sub": 8.0,
          "bass": 56.0,
          "low_mid": 27.899999618530273,
          "mid": 6.5,
          "high_mid": 0.5,
          "air": 1.100000023841858
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.15480001270771027,
        "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": 1000,
        "mid_snap_db": 0.0,
        "mid_snap_q": 0.5,
        "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": -1.3299999237060547,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.33500003814697266,
        "tight_hz": 120,
        "tight_db": -0.8989999294281006,
        "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": 0.32999998331069946,
        "side_gain_db": 0.5160000324249268,
        "_global_low": 74.0,
        "_global_mid": 24.899999618530273,
        "_global_high": 1.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=74% Mid=25% High=1% W=5.3% Crest=14.3",
        "   目标: Low=61% Mid=38% High=1% W=9.6% Crest=13.6",
        "   差值: ΔLow=+13% ΔMid=-13% ΔHigh=+0% ΔW=-4.3% ΔCrest=+0.7",
        "   低频偏多+13%: 去闷=-1.3dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-11%: 600Hz=+0.3dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏窄-4.3%: Side=+0.5dB",
        "   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": 123.0,
        "centroid": 1856.0,
        "onset_density": 2.6,
        "low_energy": 73.30000305175781
      },
      "ref": {
        "lufs": -10.2,
        "peak": 1.2000000476837158,
        "rms": -12.399999618530273,
        "crest": 13.600000381469727,
        "width": 9.600000381469727,
        "low_pct": 60.70000076293945,
        "mid_pct": 38.099998474121094,
        "high_pct": 0.8999999761581421,
        "centroid": 380.0,
        "bands": {
          "sub": 4.099999904632568,
          "bass": 56.599998474121094,
          "low_mid": 30.899999618530273,
          "mid": 7.199999809265137,
          "high_mid": 0.800000011920929,
          "air": 0.10000000149011612
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260412-172318-a6578b/03_HEARTBREAK ANNIVERSARY_20260412/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260412-172318-a6578b/03_HEARTBREAK ANNIVERSARY_20260412/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.2,
        "peak": -0.4000000059604645,
        "rms": -14.0,
        "crest": 13.699999809265137,
        "width": 3.200000047683716,
        "low_pct": 87.0,
        "mid_pct": 12.699999809265137,
        "high_pct": 0.30000001192092896,
        "centroid": 214.0,
        "bands": {
          "sub": 32.79999923706055,
          "bass": 54.20000076293945,
          "low_mid": 9.0,
          "mid": 3.700000047683716,
          "high_mid": 0.10000000149011612,
          "air": 0.20000000298023224
        }
      },
      "after": {
        "lufs": -11.0,
        "peak": 0.4000000059604645,
        "rms": -12.199999809265137,
        "crest": 12.600000381469727,
        "width": 4.400000095367432,
        "low_pct": 78.5999984741211,
        "mid_pct": 20.899999618530273,
        "high_pct": 0.5,
        "centroid": 298.0,
        "bands": {
          "sub": 24.0,
          "bass": 54.599998474121094,
          "low_mid": 15.600000381469727,
          "mid": 5.300000190734863,
          "high_mid": 0.20000000298023224,
          "air": 0.30000001192092896
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.23040002584457397,
        "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": 0.10499998927116394,
        "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": -1.2890000343322754,
        "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": 0.768000066280365,
        "_global_low": 87.0,
        "_global_mid": 12.699999809265137,
        "_global_high": 0.30000001192092896
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=87% Mid=13% High=0% W=3.2% Crest=13.7",
        "   目标: Low=61% Mid=38% High=1% W=9.6% Crest=13.6",
        "   差值: ΔLow=+26% ΔMid=-25% ΔHigh=-1% ΔW=-6.4% ΔCrest=+0.1",
        "   低频偏多+26%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.3dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-22%: 600Hz=+0.5dB",
        "   Mid偏少-3%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏窄-6.4%: Side=+0.8dB",
        "   动态接近目标(Δ+0.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rnb",
        "confidence": "medium",
        "source": "audio",
        "bpm": 89.1,
        "centroid": 1671.0,
        "onset_density": 3.0,
        "low_energy": 76.80000305175781
      },
      "ref": {
        "lufs": -10.2,
        "peak": 1.2000000476837158,
        "rms": -12.399999618530273,
        "crest": 13.600000381469727,
        "width": 9.600000381469727,
        "low_pct": 60.70000076293945,
        "mid_pct": 38.099998474121094,
        "high_pct": 0.8999999761581421,
        "centroid": 380.0,
        "bands": {
          "sub": 4.099999904632568,
          "bass": 56.599998474121094,
          "low_mid": 30.899999618530273,
          "mid": 7.199999809265137,
          "high_mid": 0.800000011920929,
          "air": 0.10000000149011612
        }
      }
    }
  ],
  "time": 60.1
}