{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260420-230328-3d37ee/01_Blau (蓝)_20260420/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260420-230328-3d37ee/01_Blau (蓝)_20260420/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -1.2999999523162842,
        "rms": -14.699999809265137,
        "crest": 13.399999618530273,
        "width": 6.699999809265137,
        "low_pct": 68.0999984741211,
        "mid_pct": 30.899999618530273,
        "high_pct": 1.100000023841858,
        "centroid": 355.0,
        "bands": {
          "sub": 13.800000190734863,
          "bass": 54.29999923706055,
          "low_mid": 27.799999237060547,
          "mid": 3.0999999046325684,
          "high_mid": 0.5,
          "air": 0.6000000238418579
        }
      },
      "after": {
        "lufs": -9.9,
        "peak": 0.20000000298023224,
        "rms": -11.399999618530273,
        "crest": 11.600000381469727,
        "width": 6.400000095367432,
        "low_pct": 68.9000015258789,
        "mid_pct": 29.899999618530273,
        "high_pct": 1.2000000476837158,
        "centroid": 351.0,
        "bands": {
          "sub": 16.100000381469727,
          "bass": 52.79999923706055,
          "low_mid": 27.399999618530273,
          "mid": 2.5999999046325684,
          "high_mid": 0.5,
          "air": 0.6000000238418579
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.24120000004768372,
        "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": 0.0,
        "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": 0.8039999604225159,
        "_global_low": 68.0999984741211,
        "_global_mid": 30.899999618530273,
        "_global_high": 1.100000023841858
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=68% Mid=31% High=1% W=6.7% Crest=13.4",
        "   目标: Low=85% Mid=14% High=1% W=13.4% Crest=11.4",
        "   差值: ΔLow=-16% ΔMid=+16% ΔHigh=+0% ΔW=-6.7% ΔCrest=+2.0",
        "   低频偏少-16%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏多+19%: 600Hz=-0.5dB",
        "   Mid接近目标(Δ-3%) → 不调",
        "   宽度偏窄-6.7%: Side=+0.8dB",
        "   动态接近目标(Δ+2.0dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "jazz",
        "confidence": "low",
        "source": "audio",
        "bpm": 86.1,
        "centroid": 1823.0,
        "onset_density": 3.2,
        "low_energy": 71.9000015258789
      },
      "ref": {
        "lufs": -9.4,
        "peak": 0.6000000238418579,
        "rms": -10.800000190734863,
        "crest": 11.399999618530273,
        "width": 13.399999618530273,
        "low_pct": 84.5999984741211,
        "mid_pct": 14.399999618530273,
        "high_pct": 1.0,
        "centroid": 286.0,
        "bands": {
          "sub": 41.599998474121094,
          "bass": 43.0,
          "low_mid": 8.699999809265137,
          "mid": 5.699999809265137,
          "high_mid": 0.6000000238418579,
          "air": 0.30000001192092896
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260420-230328-3d37ee/01_Blau (蓝)_20260420/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260420-230328-3d37ee/01_Blau (蓝)_20260420/suno_mixed_1.mp3",
      "before": {
        "lufs": -14.0,
        "peak": -2.0,
        "rms": -15.199999809265137,
        "crest": 13.199999809265137,
        "width": 5.199999809265137,
        "low_pct": 75.30000305175781,
        "mid_pct": 22.399999618530273,
        "high_pct": 2.200000047683716,
        "centroid": 440.0,
        "bands": {
          "sub": 20.899999618530273,
          "bass": 54.5,
          "low_mid": 18.399999618530273,
          "mid": 4.0,
          "high_mid": 1.0,
          "air": 1.2000000476837158
        }
      },
      "after": {
        "lufs": -10.4,
        "peak": 0.20000000298023224,
        "rms": -11.5,
        "crest": 11.699999809265137,
        "width": 5.099999904632568,
        "low_pct": 72.30000305175781,
        "mid_pct": 25.299999237060547,
        "high_pct": 2.4000000953674316,
        "centroid": 464.0,
        "bands": {
          "sub": 21.899999618530273,
          "bass": 50.400001525878906,
          "low_mid": 20.899999618530273,
          "mid": 4.300000190734863,
          "high_mid": 1.0,
          "air": 1.2999999523162842
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.295199990272522,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.4859999120235443,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.4859999120235443,
        "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": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 1.7439996004104614,
        "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": -0.29099997878074646,
        "side_gain_db": 0.9839999675750732,
        "_global_low": 75.30000305175781,
        "_global_mid": 22.399999618530273,
        "_global_high": 2.200000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=75% Mid=22% High=2% W=5.2% Crest=13.2",
        "   目标: Low=85% Mid=14% High=1% W=13.4% Crest=11.4",
        "   差值: ΔLow=-9% ΔMid=+8% ΔHigh=+1% ΔW=-8.2% ΔCrest=+1.8",
        "   低频偏少-9%: 去闷=0, 低频增强=1.7dB, Mid低频=0.5dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏多+10%: 600Hz=-0.3dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏窄-8.2%: Side=+1.0dB",
        "   动态接近目标(Δ+1.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 172.3,
        "centroid": 1907.0,
        "onset_density": 3.4,
        "low_energy": 76.69999694824219
      },
      "ref": {
        "lufs": -9.4,
        "peak": 0.6000000238418579,
        "rms": -10.800000190734863,
        "crest": 11.399999618530273,
        "width": 13.399999618530273,
        "low_pct": 84.5999984741211,
        "mid_pct": 14.399999618530273,
        "high_pct": 1.0,
        "centroid": 286.0,
        "bands": {
          "sub": 41.599998474121094,
          "bass": 43.0,
          "low_mid": 8.699999809265137,
          "mid": 5.699999809265137,
          "high_mid": 0.6000000238418579,
          "air": 0.30000001192092896
        }
      }
    }
  ],
  "time": 39.1
}