{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/03_Ring of Fire_20260601/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/03_Ring of Fire_20260601/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.5,
        "peak": -1.0,
        "rms": -15.699999809265137,
        "crest": 14.699999809265137,
        "width": 10.199999809265137,
        "low_pct": 74.4000015258789,
        "mid_pct": 22.399999618530273,
        "high_pct": 3.200000047683716,
        "centroid": 543.0,
        "bands": {
          "sub": 9.800000190734863,
          "bass": 64.5999984741211,
          "low_mid": 17.399999618530273,
          "mid": 5.0,
          "high_mid": 1.5,
          "air": 1.600000023841858
        }
      },
      "after": {
        "lufs": -11.1,
        "peak": 0.30000001192092896,
        "rms": -13.699999809265137,
        "crest": 13.899999618530273,
        "width": 13.199999809265137,
        "low_pct": 66.80000305175781,
        "mid_pct": 29.0,
        "high_pct": 4.199999809265137,
        "centroid": 695.0,
        "bands": {
          "sub": 7.699999809265137,
          "bass": 59.099998474121094,
          "low_mid": 21.399999618530273,
          "mid": 7.5,
          "high_mid": 2.0999999046325684,
          "air": 2.0999999046325684
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.6,
        "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": 0.43199998140335083,
        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.030000001192092896,
        "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": 2.0,
        "_global_low": 74.4000015258789,
        "_global_mid": 22.399999618530273,
        "_global_high": 3.200000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=74% Mid=22% High=3% W=10.2% Crest=14.7",
        "   目标: Low=9% Mid=90% High=0% W=27.9% Crest=14.0",
        "   差值: ΔLow=+65% ΔMid=-68% ΔHigh=+3% ΔW=-17.7% ΔCrest=+0.7",
        "   低频偏多+65%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频偏多+3%: 空气感=0.0dB",
        "   LowMid偏少-54%: 600Hz=+0.5dB",
        "   Mid偏少-14%: 2.5kHz=+0.4dB q=1.0",
        "   宽度偏窄-17.7%: Side=+2.0dB",
        "   动态接近目标(Δ+0.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 2518.0,
        "onset_density": 4.0,
        "low_energy": 63.5
      },
      "ref": {
        "lufs": -11.1,
        "peak": 0.10000000149011612,
        "rms": -13.899999618530273,
        "crest": 14.0,
        "width": 27.899999618530273,
        "low_pct": 9.199999809265137,
        "mid_pct": 90.30000305175781,
        "high_pct": 0.5,
        "centroid": 754.0,
        "bands": {
          "sub": 0.10000000149011612,
          "bass": 9.100000381469727,
          "low_mid": 71.0,
          "mid": 19.399999618530273,
          "high_mid": 0.4000000059604645,
          "air": 0.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/03_Ring of Fire_20260601/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260601-141653-6e03e8/03_Ring of Fire_20260601/suno_mixed_1.mp3",
      "before": {
        "lufs": -14.2,
        "peak": -2.0,
        "rms": -16.399999618530273,
        "crest": 14.399999618530273,
        "width": 11.5,
        "low_pct": 67.5,
        "mid_pct": 26.0,
        "high_pct": 6.400000095367432,
        "centroid": 833.0,
        "bands": {
          "sub": 15.100000381469727,
          "bass": 52.5,
          "low_mid": 18.299999237060547,
          "mid": 7.699999809265137,
          "high_mid": 3.799999952316284,
          "air": 2.5999999046325684
        }
      },
      "after": {
        "lufs": -11.5,
        "peak": 0.20000000298023224,
        "rms": -14.199999809265137,
        "crest": 14.399999618530273,
        "width": 14.899999618530273,
        "low_pct": 59.0,
        "mid_pct": 32.70000076293945,
        "high_pct": 8.300000190734863,
        "centroid": 1052.0,
        "bands": {
          "sub": 11.399999618530273,
          "bass": 47.599998474121094,
          "low_mid": 21.700000762939453,
          "mid": 11.0,
          "high_mid": 5.0,
          "air": 3.299999952316284
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 6000,
        "side_high_shelf_db": 0.590399980545044,
        "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": 0.35099998116493225,
        "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": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.49800002574920654,
        "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": 1.9679999351501465,
        "_global_low": 67.5,
        "_global_mid": 26.0,
        "_global_high": 6.400000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=68% Mid=26% High=6% W=11.5% Crest=14.4",
        "   目标: Low=9% Mid=90% High=0% W=27.9% Crest=14.0",
        "   差值: ΔLow=+58% ΔMid=-64% ΔHigh=+6% ΔW=-16.4% ΔCrest=+0.4",
        "   低频偏多+58%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频偏多+6%: 空气感=-0.3dB",
        "   LowMid偏少-53%: 600Hz=+0.5dB",
        "   Mid偏少-12%: 2.5kHz=+0.4dB q=1.0",
        "   Air偏多+2.6%: 空气感再降0.2dB→-0.5dB",
        "   宽度偏窄-16.4%: Side=+2.0dB",
        "   动态接近目标(Δ+0.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 103.4,
        "centroid": 2517.0,
        "onset_density": 3.8,
        "low_energy": 66.4000015258789
      },
      "ref": {
        "lufs": -11.1,
        "peak": 0.10000000149011612,
        "rms": -13.899999618530273,
        "crest": 14.0,
        "width": 27.899999618530273,
        "low_pct": 9.199999809265137,
        "mid_pct": 90.30000305175781,
        "high_pct": 0.5,
        "centroid": 754.0,
        "bands": {
          "sub": 0.10000000149011612,
          "bass": 9.100000381469727,
          "low_mid": 71.0,
          "mid": 19.399999618530273,
          "high_mid": 0.4000000059604645,
          "air": 0.0
        }
      }
    }
  ],
  "time": 40.4
}