{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-152744-7ba504/01_鸿雁_你还在不在那片山的那边_20260507/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-152744-7ba504/01_鸿雁_你还在不在那片山的那边_20260507/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.0,
        "peak": -1.2000000476837158,
        "rms": -15.300000190734863,
        "crest": 14.100000381469727,
        "width": 13.399999618530273,
        "low_pct": 68.19999694824219,
        "mid_pct": 30.100000381469727,
        "high_pct": 1.7000000476837158,
        "centroid": 461.0,
        "bands": {
          "sub": 28.799999237060547,
          "bass": 39.400001525878906,
          "low_mid": 20.5,
          "mid": 9.600000381469727,
          "high_mid": 1.0,
          "air": 0.699999988079071
        }
      },
      "after": {
        "lufs": -10.5,
        "peak": 0.10000000149011612,
        "rms": -13.199999809265137,
        "crest": 13.399999618530273,
        "width": 15.0,
        "low_pct": 58.599998474121094,
        "mid_pct": 39.29999923706055,
        "high_pct": 2.0999999046325684,
        "centroid": 587.0,
        "bands": {
          "sub": 22.799999237060547,
          "bass": 35.79999923706055,
          "low_mid": 26.0,
          "mid": 13.300000190734863,
          "high_mid": 1.2999999523162842,
          "air": 0.8999999761581421
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.2916000187397003,
        "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": 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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.3789998292922974,
        "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": 0.972000002861023,
        "_global_low": 68.19999694824219,
        "_global_mid": 30.100000381469727,
        "_global_high": 1.7000000476837158
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=68% Mid=30% High=2% W=13.4% Crest=14.1",
        "   目标: Low=39% Mid=59% High=3% W=21.5% Crest=15.7",
        "   差值: ΔLow=+29% ΔMid=-28% ΔHigh=-1% ΔW=-8.1% ΔCrest=-1.6",
        "   低频偏多+29%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.4dB",
        "   高频接近目标(Δ-1%) → 微量空气感+0.3dB",
        "   LowMid偏少-28%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ-0%) → 不调",
        "   宽度偏窄-8.1%: Side=+1.0dB",
        "   动态接近目标(Δ-1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 123.0,
        "centroid": 1612.0,
        "onset_density": 2.2,
        "low_energy": 40.5
      },
      "ref": {
        "lufs": -10.0,
        "peak": 2.799999952316284,
        "rms": -12.899999618530273,
        "crest": 15.699999809265137,
        "width": 21.5,
        "low_pct": 38.900001525878906,
        "mid_pct": 58.599998474121094,
        "high_pct": 2.5999999046325684,
        "centroid": 675.0,
        "bands": {
          "sub": 0.0,
          "bass": 38.79999923706055,
          "low_mid": 48.79999923706055,
          "mid": 9.699999809265137,
          "high_mid": 2.4000000953674316,
          "air": 0.20000000298023224
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260507-152744-7ba504/01_鸿雁_你还在不在那片山的那边_20260507/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260507-152744-7ba504/01_鸿雁_你还在不在那片山的那边_20260507/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.4,
        "peak": -1.399999976158142,
        "rms": -15.0,
        "crest": 13.600000381469727,
        "width": 17.399999618530273,
        "low_pct": 35.400001525878906,
        "mid_pct": 63.79999923706055,
        "high_pct": 0.800000011920929,
        "centroid": 820.0,
        "bands": {
          "sub": 9.800000190734863,
          "bass": 25.600000381469727,
          "low_mid": 16.799999237060547,
          "mid": 47.0,
          "high_mid": 0.5,
          "air": 0.30000001192092896
        }
      },
      "after": {
        "lufs": -9.7,
        "peak": 0.10000000149011612,
        "rms": -12.300000190734863,
        "crest": 12.399999618530273,
        "width": 16.399999618530273,
        "low_pct": 30.700000762939453,
        "mid_pct": 68.5,
        "high_pct": 0.800000011920929,
        "centroid": 847.0,
        "bands": {
          "sub": 8.399999618530273,
          "bass": 22.299999237060547,
          "low_mid": 20.200000762939453,
          "mid": 48.29999923706055,
          "high_mid": 0.5,
          "air": 0.30000001192092896
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.14760002493858337,
        "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": -0.5,
        "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": -0.3,
        "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": 0.5,
        "side_gain_db": 0.4920000433921814,
        "_global_low": 35.400001525878906,
        "_global_mid": 63.79999923706055,
        "_global_high": 0.800000011920929
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=35% Mid=64% High=1% W=17.4% Crest=13.6",
        "   目标: Low=39% Mid=59% High=3% W=21.5% Crest=15.7",
        "   差值: ΔLow=-4% ΔMid=+5% ΔHigh=-2% ΔW=-4.1% ΔCrest=-2.1",
        "   低频接近目标(Δ-4%) → 微调模式",
        "   高频接近目标(Δ-2%) → 微量空气感+0.3dB",
        "   LowMid偏少-32%: 600Hz=+0.5dB",
        "   Mid偏多+37%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏窄-4.1%: Side=+0.5dB",
        "   动态接近目标(Δ-2.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 123.0,
        "centroid": 1763.0,
        "onset_density": 2.4,
        "low_energy": 54.900001525878906
      },
      "ref": {
        "lufs": -10.0,
        "peak": 2.799999952316284,
        "rms": -12.899999618530273,
        "crest": 15.699999809265137,
        "width": 21.5,
        "low_pct": 38.900001525878906,
        "mid_pct": 58.599998474121094,
        "high_pct": 2.5999999046325684,
        "centroid": 675.0,
        "bands": {
          "sub": 0.0,
          "bass": 38.79999923706055,
          "low_mid": 48.79999923706055,
          "mid": 9.699999809265137,
          "high_mid": 2.4000000953674316,
          "air": 0.20000000298023224
        }
      }
    }
  ],
  "time": 37.1
}