{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/02_On & On_20260425/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/02_On & On_20260425/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.5,
        "peak": -1.399999976158142,
        "rms": -14.399999618530273,
        "crest": 12.899999618530273,
        "width": 1.899999976158142,
        "low_pct": 86.0999984741211,
        "mid_pct": 13.199999809265137,
        "high_pct": 0.6000000238418579,
        "centroid": 222.0,
        "bands": {
          "sub": 25.5,
          "bass": 60.599998474121094,
          "low_mid": 10.600000381469727,
          "mid": 2.700000047683716,
          "high_mid": 0.4000000059604645,
          "air": 0.20000000298023224
        }
      },
      "after": {
        "lufs": -10.9,
        "peak": 0.0,
        "rms": -11.899999618530273,
        "crest": 11.899999618530273,
        "width": 2.0,
        "low_pct": 83.5,
        "mid_pct": 15.699999809265137,
        "high_pct": 0.800000011920929,
        "centroid": 248.0,
        "bands": {
          "sub": 24.0,
          "bass": 59.5,
          "low_mid": 13.199999809265137,
          "mid": 2.5,
          "high_mid": 0.5,
          "air": 0.30000001192092896
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.3,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.3,
        "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": -0.3,
        "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": -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": -0.23399999737739563,
        "side_gain_db": 0.0,
        "_global_low": 86.0999984741211,
        "_global_mid": 13.199999809265137,
        "_global_high": 0.6000000238418579
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=86% Mid=13% High=1% W=1.9% Crest=12.9",
        "   目标: Low=91% Mid=8% High=1% W=0.3% Crest=14.5",
        "   差值: ΔLow=-5% ΔMid=+5% ΔHigh=-0% ΔW=+1.6% ΔCrest=-1.6",
        "   低频接近目标(Δ-5%) → 微调模式",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏多+8%: 600Hz=-0.2dB",
        "   Mid接近目标(Δ-3%) → 不调",
        "   宽度接近目标(Δ+1.6%) → Side增益归零",
        "   动态接近目标(Δ-1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 152.0,
        "centroid": 1647.0,
        "onset_density": 3.5,
        "low_energy": 80.80000305175781
      },
      "ref": {
        "lufs": -13.1,
        "peak": 0.8999999761581421,
        "rms": -13.600000381469727,
        "crest": 14.5,
        "width": 0.30000001192092896,
        "low_pct": 91.0999984741211,
        "mid_pct": 8.100000381469727,
        "high_pct": 0.800000011920929,
        "centroid": 239.0,
        "bands": {
          "sub": 47.5,
          "bass": 43.599998474121094,
          "low_mid": 2.799999952316284,
          "mid": 5.300000190734863,
          "high_mid": 0.6000000238418579,
          "air": 0.20000000298023224
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/02_On & On_20260425/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/02_On & On_20260425/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.8,
        "peak": -0.800000011920929,
        "rms": -14.399999618530273,
        "crest": 13.600000381469727,
        "width": 2.799999952316284,
        "low_pct": 84.30000305175781,
        "mid_pct": 15.199999809265137,
        "high_pct": 0.5,
        "centroid": 199.0,
        "bands": {
          "sub": 30.899999618530273,
          "bass": 53.5,
          "low_mid": 12.800000190734863,
          "mid": 2.299999952316284,
          "high_mid": 0.30000001192092896,
          "air": 0.20000000298023224
        }
      },
      "after": {
        "lufs": -10.6,
        "peak": 0.10000000149011612,
        "rms": -11.399999618530273,
        "crest": 11.5,
        "width": 2.5,
        "low_pct": 80.80000305175781,
        "mid_pct": 18.600000381469727,
        "high_pct": 0.6000000238418579,
        "centroid": 213.0,
        "bands": {
          "sub": 27.399999618530273,
          "bass": 53.29999923706055,
          "low_mid": 16.5,
          "mid": 2.0999999046325684,
          "high_mid": 0.4000000059604645,
          "air": 0.20000000298023224
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.43599992990493774,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.43599992990493774,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.09000000357627869,
        "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": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 1.5439996719360352,
        "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": -0.29999998211860657,
        "side_gain_db": -0.25,
        "_global_low": 84.30000305175781,
        "_global_mid": 15.199999809265137,
        "_global_high": 0.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=84% Mid=15% High=0% W=2.8% Crest=13.6",
        "   目标: Low=91% Mid=8% High=1% W=0.3% Crest=14.5",
        "   差值: ΔLow=-7% ΔMid=+7% ΔHigh=-0% ΔW=+2.5% ΔCrest=-0.9",
        "   低频偏少-7%: 去闷=0, 低频增强=1.5dB, Mid低频=0.4dB",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏多+10%: 600Hz=-0.3dB",
        "   Mid偏少-3%: 2.5kHz=+0.1dB q=1.0",
        "   宽度偏宽+2.5%: Side整体=-0.2dB",
        "   动态接近目标(Δ-0.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 152.0,
        "centroid": 1854.0,
        "onset_density": 3.7,
        "low_energy": 70.4000015258789
      },
      "ref": {
        "lufs": -13.1,
        "peak": 0.8999999761581421,
        "rms": -13.600000381469727,
        "crest": 14.5,
        "width": 0.30000001192092896,
        "low_pct": 91.0999984741211,
        "mid_pct": 8.100000381469727,
        "high_pct": 0.800000011920929,
        "centroid": 239.0,
        "bands": {
          "sub": 47.5,
          "bass": 43.599998474121094,
          "low_mid": 2.799999952316284,
          "mid": 5.300000190734863,
          "high_mid": 0.6000000238418579,
          "air": 0.20000000298023224
        }
      }
    }
  ],
  "time": 37.7
}