{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-144059-fe50f0/02_乌兰巴托的夜_20260507/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-144059-fe50f0/02_乌兰巴托的夜_20260507/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.2,
        "peak": -1.0,
        "rms": -14.600000381469727,
        "crest": 13.600000381469727,
        "width": 10.899999618530273,
        "low_pct": 34.599998474121094,
        "mid_pct": 64.0,
        "high_pct": 1.399999976158142,
        "centroid": 437.0,
        "bands": {
          "sub": 4.599999904632568,
          "bass": 30.0,
          "low_mid": 59.5,
          "mid": 4.5,
          "high_mid": 0.8999999761581421,
          "air": 0.5
        }
      },
      "after": {
        "lufs": -9.7,
        "peak": 0.10000000149011612,
        "rms": -12.0,
        "crest": 12.100000381469727,
        "width": 9.0,
        "low_pct": 38.099998474121094,
        "mid_pct": 60.5,
        "high_pct": 1.399999976158142,
        "centroid": 425.0,
        "bands": {
          "sub": 6.699999809265137,
          "bass": 31.399999618530273,
          "low_mid": 56.099998474121094,
          "mid": 4.400000095367432,
          "high_mid": 0.8999999761581421,
          "air": 0.5
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.0,
        "tight_hz": 120,
        "tight_db": 0.0,
        "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": 34.599998474121094,
        "_global_mid": 64.0,
        "_global_high": 1.399999976158142
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=35% Mid=64% High=1% W=10.9% Crest=13.6",
        "   目标: Low=76% Mid=23% High=1% W=12.6% Crest=12.8",
        "   差值: ΔLow=-41% ΔMid=+41% ΔHigh=+1% ΔW=-1.7% ΔCrest=+0.8",
        "   低频偏少-41%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏多+39%: 600Hz=-0.5dB",
        "   Mid接近目标(Δ+2%) → 不调",
        "   宽度接近目标(Δ-1.7%) → Side增益归零",
        "   动态接近目标(Δ+0.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 107.7,
        "centroid": 1622.0,
        "onset_density": 2.3,
        "low_energy": 22.899999618530273
      },
      "ref": {
        "lufs": -10.2,
        "peak": 0.8999999761581421,
        "rms": -11.899999618530273,
        "crest": 12.800000190734863,
        "width": 12.600000381469727,
        "low_pct": 76.0,
        "mid_pct": 23.100000381469727,
        "high_pct": 0.699999988079071,
        "centroid": 246.0,
        "bands": {
          "sub": 15.300000190734863,
          "bass": 60.70000076293945,
          "low_mid": 20.799999237060547,
          "mid": 2.4000000953674316,
          "high_mid": 0.5,
          "air": 0.20000000298023224
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-144059-fe50f0/02_乌兰巴托的夜_20260507/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-144059-fe50f0/02_乌兰巴托的夜_20260507/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.6,
        "peak": -1.5,
        "rms": -15.100000381469727,
        "crest": 13.600000381469727,
        "width": 12.300000190734863,
        "low_pct": 31.200000762939453,
        "mid_pct": 65.30000305175781,
        "high_pct": 3.5,
        "centroid": 1165.0,
        "bands": {
          "sub": 10.199999809265137,
          "bass": 21.0,
          "low_mid": 16.5,
          "mid": 48.79999923706055,
          "high_mid": 1.899999976158142,
          "air": 1.600000023841858
        }
      },
      "after": {
        "lufs": -9.8,
        "peak": -0.0,
        "rms": -12.100000381469727,
        "crest": 12.0,
        "width": 9.699999809265137,
        "low_pct": 39.400001525878906,
        "mid_pct": 57.400001525878906,
        "high_pct": 3.200000047683716,
        "centroid": 1023.0,
        "bands": {
          "sub": 14.600000381469727,
          "bass": 24.799999237060547,
          "low_mid": 15.600000381469727,
          "mid": 41.79999923706055,
          "high_mid": 1.7000000476837158,
          "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": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.0,
        "tight_hz": 120,
        "tight_db": 0.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.02000001072883606,
        "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": 0.1289999783039093,
        "side_gain_db": 0.0,
        "_global_low": 31.200000762939453,
        "_global_mid": 65.30000305175781,
        "_global_high": 3.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=31% Mid=65% High=4% W=12.3% Crest=13.6",
        "   目标: Low=76% Mid=23% High=1% W=12.6% Crest=12.8",
        "   差值: ΔLow=-45% ΔMid=+42% ΔHigh=+3% ΔW=-0.3% ΔCrest=+0.8",
        "   低频偏少-45%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏少-4%: 600Hz=+0.1dB",
        "   Mid偏多+46%: 2.5kHz=-0.5dB q=1.0",
        "   宽度接近目标(Δ-0.3%) → Side增益归零",
        "   动态接近目标(Δ+0.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 112.3,
        "centroid": 2130.0,
        "onset_density": 2.6,
        "low_energy": 34.099998474121094
      },
      "ref": {
        "lufs": -10.2,
        "peak": 0.8999999761581421,
        "rms": -11.899999618530273,
        "crest": 12.800000190734863,
        "width": 12.600000381469727,
        "low_pct": 76.0,
        "mid_pct": 23.100000381469727,
        "high_pct": 0.699999988079071,
        "centroid": 246.0,
        "bands": {
          "sub": 15.300000190734863,
          "bass": 60.70000076293945,
          "low_mid": 20.799999237060547,
          "mid": 2.4000000953674316,
          "high_mid": 0.5,
          "air": 0.20000000298023224
        }
      }
    }
  ],
  "time": 37.2
}