{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/01_萬象迎春_20260527/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/01_萬象迎春_20260527/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.8,
        "peak": -1.100000023841858,
        "rms": -14.399999618530273,
        "crest": 13.300000190734863,
        "width": 14.699999809265137,
        "low_pct": 66.80000305175781,
        "mid_pct": 32.900001525878906,
        "high_pct": 0.30000001192092896,
        "centroid": 251.0,
        "bands": {
          "sub": 32.0,
          "bass": 34.79999923706055,
          "low_mid": 31.0,
          "mid": 1.899999976158142,
          "high_mid": 0.20000000298023224,
          "air": 0.10000000149011612
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      },
      "after": {
        "lufs": -10.8,
        "peak": 0.0,
        "rms": -12.5,
        "crest": 12.5,
        "width": 11.300000190734863,
        "low_pct": 68.69999694824219,
        "mid_pct": 30.899999618530273,
        "high_pct": 0.30000001192092896,
        "centroid": 249.0,
        "bands": {
          "sub": 36.29999923706055,
          "bass": 32.400001525878906,
          "low_mid": 28.899999618530273,
          "mid": 2.0,
          "high_mid": 0.20000000298023224,
          "air": 0.10000000149011612
        }
      },
      "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": 0.11699999868869781,
        "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": 0.021999996155500412,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.7300003170967102,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6349998712539673,
        "tight_hz": 120,
        "tight_db": -0.7190001010894775,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -5.099999904632568,
        "comp_ratio": 2.0,
        "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": 0.0,
        "side_gain_db": 0.0,
        "_global_low": 66.80000305175781,
        "_global_mid": 32.900001525878906,
        "_global_high": 0.30000001192092896
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=67% Mid=33% High=0% W=14.7% Crest=13.3",
        "   目标: Low=60% Mid=39% High=1% W=15.6% Crest=19.1",
        "   差值: ΔLow=+7% ΔMid=-6% ΔHigh=-1% ΔW=-0.9% ΔCrest=-5.8",
        "   低频偏多+7%: 去闷=-0.7dB, 低频增强=0.6dB, 收紧=-0.7dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid接近目标(Δ-3%) → 不调",
        "   Mid偏少-4%: 2.5kHz=+0.1dB q=1.0",
        "   宽度接近目标(Δ-0.9%) → Side增益归零",
        "   动态偏小-5.8dB: 压缩阈值=-5.1dB, PC mix=2%"
      ],
      "genre": {
        "genre": "classical",
        "confidence": "low",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 978.0,
        "onset_density": 3.3,
        "low_energy": 46.79999923706055
      },
      "ref": {
        "lufs": -17.2,
        "peak": -0.20000000298023224,
        "rms": -19.299999237060547,
        "crest": 19.100000381469727,
        "width": 15.600000381469727,
        "low_pct": 59.5,
        "mid_pct": 39.400001525878906,
        "high_pct": 1.100000023841858,
        "centroid": 358.0,
        "bands": {
          "sub": 40.099998474121094,
          "bass": 19.399999618530273,
          "low_mid": 33.599998474121094,
          "mid": 5.800000190734863,
          "high_mid": 0.800000011920929,
          "air": 0.30000001192092896
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/01_萬象迎春_20260527/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/01_萬象迎春_20260527/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.9,
        "peak": 0.0,
        "rms": -14.899999618530273,
        "crest": 14.899999618530273,
        "width": 12.699999809265137,
        "low_pct": 57.20000076293945,
        "mid_pct": 41.900001525878906,
        "high_pct": 0.800000011920929,
        "centroid": 474.0,
        "bands": {
          "sub": 11.399999618530273,
          "bass": 45.79999923706055,
          "low_mid": 32.0,
          "mid": 9.899999618530273,
          "high_mid": 0.6000000238418579,
          "air": 0.20000000298023224
        }
      },
      "after": {
        "lufs": -10.4,
        "peak": -0.10000000149011612,
        "rms": -12.5,
        "crest": 12.399999618530273,
        "width": 11.899999618530273,
        "low_pct": 55.5,
        "mid_pct": 43.599998474121094,
        "high_pct": 0.8999999761581421,
        "centroid": 492.0,
        "bands": {
          "sub": 10.600000381469727,
          "bass": 44.900001525878906,
          "low_mid": 33.5,
          "mid": 10.199999809265137,
          "high_mid": 0.699999988079071,
          "air": 0.20000000298023224
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.10440001636743546,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.3,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.3,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": -0.16399997472763062,
        "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": 0.037999991327524185,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.3,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
        "tight_hz": 120,
        "tight_db": -0.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -5.899999618530273,
        "comp_ratio": 2.0,
        "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": 0.0,
        "side_gain_db": 0.34800004959106445,
        "_global_low": 57.20000076293945,
        "_global_mid": 41.900001525878906,
        "_global_high": 0.800000011920929
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=57% Mid=42% High=1% W=12.7% Crest=14.9",
        "   目标: Low=60% Mid=39% High=1% W=15.6% Crest=19.1",
        "   差值: ΔLow=-2% ΔMid=+2% ΔHigh=-0% ΔW=-2.9% ΔCrest=-4.2",
        "   低频接近目标(Δ-2%) → 微调模式",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid接近目标(Δ-2%) → 不调",
        "   Mid偏多+4%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏窄-2.9%: Side=+0.3dB",
        "   动态偏小-4.2dB: 压缩阈值=-5.9dB, PC mix=4%"
      ],
      "genre": {
        "genre": "classical",
        "confidence": "low",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 1011.0,
        "onset_density": 3.1,
        "low_energy": 44.599998474121094
      },
      "ref": {
        "lufs": -17.2,
        "peak": -0.20000000298023224,
        "rms": -19.299999237060547,
        "crest": 19.100000381469727,
        "width": 15.600000381469727,
        "low_pct": 59.5,
        "mid_pct": 39.400001525878906,
        "high_pct": 1.100000023841858,
        "centroid": 358.0,
        "bands": {
          "sub": 40.099998474121094,
          "bass": 19.399999618530273,
          "low_mid": 33.599998474121094,
          "mid": 5.800000190734863,
          "high_mid": 0.800000011920929,
          "air": 0.30000001192092896
        }
      }
    }
  ],
  "time": 27.4
}