{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/05_A Long Walk_Still_Gray_Sweater_20260425/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/05_A Long Walk_Still_Gray_Sweater_20260425/suno_mixed_0.mp3",
      "before": {
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        "rms": -13.600000381469727,
        "crest": 12.899999618530273,
        "width": 3.200000047683716,
        "low_pct": 72.4000015258789,
        "mid_pct": 25.700000762939453,
        "high_pct": 1.899999976158142,
        "centroid": 433.0,
        "bands": {
          "sub": 16.200000762939453,
          "bass": 56.20000076293945,
          "low_mid": 19.600000381469727,
          "mid": 6.099999904632568,
          "high_mid": 0.8999999761581421,
          "air": 1.0
        }
      },
      "after": {
        "lufs": -10.5,
        "peak": 0.0,
        "rms": -11.600000381469727,
        "crest": 11.600000381469727,
        "width": 3.4000000953674316,
        "low_pct": 63.599998474121094,
        "mid_pct": 33.599998474121094,
        "high_pct": 2.799999952316284,
        "centroid": 554.0,
        "bands": {
          "sub": 12.300000190734863,
          "bass": 51.29999923706055,
          "low_mid": 26.600000381469727,
          "mid": 7.0,
          "high_mid": 1.2999999523162842,
          "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": 0.3,
        "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": -0.12799999117851257,
        "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": -0.3,
        "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": 0.1680000126361847,
        "side_gain_db": 0.0,
        "_global_low": 72.4000015258789,
        "_global_mid": 25.700000762939453,
        "_global_high": 1.899999976158142
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=72% Mid=26% High=2% W=3.2% Crest=12.9",
        "   目标: Low=70% Mid=28% High=2% W=2.6% Crest=14.6",
        "   差值: ΔLow=+2% ΔMid=-2% ΔHigh=+0% ΔW=+0.6% ΔCrest=-1.7",
        "   低频接近目标(Δ+2%) → 微调模式",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-6%: 600Hz=+0.2dB",
        "   Mid偏多+3%: 2.5kHz=-0.1dB q=1.0",
        "   宽度接近目标(Δ+0.6%) → Side增益归零",
        "   动态接近目标(Δ-1.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 2330.0,
        "onset_density": 3.8,
        "low_energy": 73.5
      },
      "ref": {
        "lufs": -12.0,
        "peak": 1.100000023841858,
        "rms": -13.5,
        "crest": 14.600000381469727,
        "width": 2.5999999046325684,
        "low_pct": 70.4000015258789,
        "mid_pct": 28.100000381469727,
        "high_pct": 1.5,
        "centroid": 343.0,
        "bands": {
          "sub": 11.5,
          "bass": 58.900001525878906,
          "low_mid": 25.200000762939453,
          "mid": 2.9000000953674316,
          "high_mid": 0.6000000238418579,
          "air": 0.8999999761581421
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/05_A Long Walk_Still_Gray_Sweater_20260425/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260425-232609-19a08d/05_A Long Walk_Still_Gray_Sweater_20260425/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.2,
        "peak": -1.399999976158142,
        "rms": -14.199999809265137,
        "crest": 12.800000190734863,
        "width": 2.700000047683716,
        "low_pct": 83.19999694824219,
        "mid_pct": 15.399999618530273,
        "high_pct": 1.2999999523162842,
        "centroid": 308.0,
        "bands": {
          "sub": 22.0,
          "bass": 61.20000076293945,
          "low_mid": 12.399999618530273,
          "mid": 3.0,
          "high_mid": 0.699999988079071,
          "air": 0.6000000238418579
        }
      },
      "after": {
        "lufs": -11.0,
        "peak": 0.0,
        "rms": -12.199999809265137,
        "crest": 12.199999809265137,
        "width": 3.200000047683716,
        "low_pct": 76.19999694824219,
        "mid_pct": 21.799999237060547,
        "high_pct": 2.0,
        "centroid": 415.0,
        "bands": {
          "sub": 17.700000762939453,
          "bass": 58.5,
          "low_mid": 18.0,
          "mid": 3.799999952316284,
          "high_mid": 1.100000023841858,
          "air": 0.8999999761581421
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "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": -1.2799996137619019,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.3600001931190491,
        "tight_hz": 120,
        "tight_db": -0.8839998245239258,
        "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": 0.3840000331401825,
        "side_gain_db": 0.0,
        "_global_low": 83.19999694824219,
        "_global_mid": 15.399999618530273,
        "_global_high": 1.2999999523162842
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=83% Mid=15% High=1% W=2.7% Crest=12.8",
        "   目标: Low=70% Mid=28% High=2% W=2.6% Crest=14.6",
        "   差值: ΔLow=+13% ΔMid=-13% ΔHigh=-0% ΔW=+0.1% ΔCrest=-1.8",
        "   低频偏多+13%: 去闷=-1.3dB, 低频增强=0.4dB, 收紧=-0.9dB",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏少-13%: 600Hz=+0.4dB",
        "   Mid接近目标(Δ+0%) → 不调",
        "   宽度接近目标(Δ+0.1%) → Side增益归零",
        "   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": 152.0,
        "centroid": 2129.0,
        "onset_density": 4.3,
        "low_energy": 74.69999694824219
      },
      "ref": {
        "lufs": -12.0,
        "peak": 1.100000023841858,
        "rms": -13.5,
        "crest": 14.600000381469727,
        "width": 2.5999999046325684,
        "low_pct": 70.4000015258789,
        "mid_pct": 28.100000381469727,
        "high_pct": 1.5,
        "centroid": 343.0,
        "bands": {
          "sub": 11.5,
          "bass": 58.900001525878906,
          "low_mid": 25.200000762939453,
          "mid": 2.9000000953674316,
          "high_mid": 0.6000000238418579,
          "air": 0.8999999761581421
        }
      }
    }
  ],
  "time": 42.1
}