{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260420-224904-dbc809/04_unravel_蜕皮_20260420/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260420-224904-dbc809/04_unravel_蜕皮_20260420/suno_mixed_0.mp3",
      "before": {
        "lufs": -11.7,
        "peak": -0.6000000238418579,
        "rms": -14.300000190734863,
        "crest": 13.699999809265137,
        "width": 12.5,
        "low_pct": 66.5999984741211,
        "mid_pct": 29.600000381469727,
        "high_pct": 3.799999952316284,
        "centroid": 796.0,
        "bands": {
          "sub": 13.100000381469727,
          "bass": 53.5,
          "low_mid": 10.699999809265137,
          "mid": 18.899999618530273,
          "high_mid": 2.5999999046325684,
          "air": 1.2000000476837158
        }
      },
      "after": {
        "lufs": -8.7,
        "peak": 0.20000000298023224,
        "rms": -11.699999809265137,
        "crest": 12.0,
        "width": 10.699999809265137,
        "low_pct": 56.900001525878906,
        "mid_pct": 38.099998474121094,
        "high_pct": 5.0,
        "centroid": 1019.0,
        "bands": {
          "sub": 11.0,
          "bass": 45.900001525878906,
          "low_mid": 13.300000190734863,
          "mid": 24.799999237060547,
          "high_mid": 3.5,
          "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": 0.19499999284744263,
        "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": -1.1449999809265137,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.5800000429153442,
        "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": 0.36299997568130493,
        "side_gain_db": 0.0,
        "_global_low": 66.5999984741211,
        "_global_mid": 29.600000381469727,
        "_global_high": 3.799999952316284
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=67% Mid=30% High=4% W=12.5% Crest=13.7",
        "   目标: Low=45% Mid=48% High=7% W=11.9% Crest=11.1",
        "   差值: ΔLow=+22% ΔMid=-19% ΔHigh=-3% ΔW=+0.6% ΔCrest=+2.6",
        "   低频偏多+22%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频偏少-3%: 空气感=+0.6dB",
        "   LowMid偏少-12%: 600Hz=+0.4dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   宽度接近目标(Δ+0.6%) → Side增益归零",
        "   动态接近目标(Δ+2.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2908.0,
        "onset_density": 5.6,
        "low_energy": 59.70000076293945
      },
      "ref": {
        "lufs": -6.4,
        "peak": 1.5,
        "rms": -9.699999809265137,
        "crest": 11.100000381469727,
        "width": 11.899999618530273,
        "low_pct": 45.099998474121094,
        "mid_pct": 48.29999923706055,
        "high_pct": 6.599999904632568,
        "centroid": 1103.0,
        "bands": {
          "sub": 15.600000381469727,
          "bass": 29.5,
          "low_mid": 22.799999237060547,
          "mid": 25.399999618530273,
          "high_mid": 5.800000190734863,
          "air": 0.800000011920929
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260420-224904-dbc809/04_unravel_蜕皮_20260420/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260420-224904-dbc809/04_unravel_蜕皮_20260420/suno_mixed_1.mp3",
      "before": {
        "lufs": -15.2,
        "peak": -3.5,
        "rms": -18.399999618530273,
        "crest": 15.0,
        "width": 9.100000381469727,
        "low_pct": 51.20000076293945,
        "mid_pct": 40.400001525878906,
        "high_pct": 8.399999618530273,
        "centroid": 1272.0,
        "bands": {
          "sub": 7.099999904632568,
          "bass": 44.099998474121094,
          "low_mid": 22.100000381469727,
          "mid": 18.299999237060547,
          "high_mid": 4.199999809265137,
          "air": 4.199999809265137
        }
      },
      "after": {
        "lufs": -11.1,
        "peak": 0.0,
        "rms": -14.399999618530273,
        "crest": 14.5,
        "width": 8.399999618530273,
        "low_pct": 50.099998474121094,
        "mid_pct": 41.099998474121094,
        "high_pct": 8.699999809265137,
        "centroid": 1327.0,
        "bands": {
          "sub": 6.800000190734863,
          "bass": 43.400001525878906,
          "low_mid": 21.5,
          "mid": 19.600000381469727,
          "high_mid": 4.400000095367432,
          "air": 4.300000190734863
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.10079997777938843,
        "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": 0.21299999952316284,
        "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": 0.13849999010562897,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.6100002527236938,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6949998736381531,
        "tight_hz": 120,
        "tight_db": -0.6830000877380371,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.02800002694129944,
        "comp_threshold_db": -10.34000015258789,
        "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": 0.33599990606307983,
        "_global_low": 51.20000076293945,
        "_global_mid": 40.400001525878906,
        "_global_high": 8.399999618530273
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=51% Mid=40% High=8% W=9.1% Crest=15.0",
        "   目标: Low=45% Mid=48% High=7% W=11.9% Crest=11.1",
        "   差值: ΔLow=+6% ΔMid=-8% ΔHigh=+2% ΔW=-2.8% ΔCrest=+3.9",
        "   低频偏多+6%: 去闷=-0.6dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid接近目标(Δ-1%) → 不调",
        "   Mid偏少-7%: 2.5kHz=+0.2dB q=1.0",
        "   Air偏多+3.4%: 空气感再降0.3dB→0.0dB",
        "   宽度偏窄-2.8%: Side=+0.3dB",
        "   动态偏大+3.9dB: 压缩阈值=-10.3dB, PC mix=14%"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 3222.0,
        "onset_density": 5.7,
        "low_energy": 52.400001525878906
      },
      "ref": {
        "lufs": -6.4,
        "peak": 1.5,
        "rms": -9.699999809265137,
        "crest": 11.100000381469727,
        "width": 11.899999618530273,
        "low_pct": 45.099998474121094,
        "mid_pct": 48.29999923706055,
        "high_pct": 6.599999904632568,
        "centroid": 1103.0,
        "bands": {
          "sub": 15.600000381469727,
          "bass": 29.5,
          "low_mid": 22.799999237060547,
          "mid": 25.399999618530273,
          "high_mid": 5.800000190734863,
          "air": 0.800000011920929
        }
      }
    }
  ],
  "time": 40.4
}