{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260331-002402-88137c/01_Love Story_20260331/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260331-002402-88137c/01_Love Story_20260331/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.7,
        "peak": 0.20000000298023224,
        "rms": -15.600000381469727,
        "crest": 15.800000190734863,
        "width": 7.199999809265137,
        "low_pct": 63.20000076293945,
        "mid_pct": 30.899999618530273,
        "high_pct": 5.900000095367432,
        "centroid": 771.0,
        "bands": {
          "sub": 7.199999809265137,
          "bass": 56.0,
          "low_mid": 25.100000381469727,
          "mid": 5.800000190734863,
          "high_mid": 2.799999952316284,
          "air": 3.0999999046325684
        }
      },
      "after": {
        "lufs": -9.8,
        "peak": 0.0,
        "rms": -13.100000381469727,
        "crest": 13.100000381469727,
        "width": 7.599999904632568,
        "low_pct": 49.900001525878906,
        "mid_pct": 41.20000076293945,
        "high_pct": 8.899999618530273,
        "centroid": 1100.0,
        "bands": {
          "sub": 7.599999904632568,
          "bass": 42.29999923706055,
          "low_mid": 31.899999618530273,
          "mid": 9.199999809265137,
          "high_mid": 4.300000190734863,
          "air": 4.699999809265137
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.16200000047683716,
        "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": 0.5,
        "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": 0.0,
        "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": 0.7900000214576721,
        "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": 0.2999999225139618,
        "side_gain_db": 0.5399999618530273,
        "_global_low": 63.20000076293945,
        "_global_mid": 30.899999618530273,
        "_global_high": 5.900000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=63% Mid=31% High=6% W=7.2% Crest=15.8",
        "   目标: Low=29% Mid=61% High=11% W=11.7% Crest=12.9",
        "   差值: ΔLow=+35% ΔMid=-30% ΔHigh=-5% ΔW=-4.5% ΔCrest=+2.9",
        "   低频偏多+35%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频偏少-5%: 空气感=+0.8dB",
        "   LowMid偏少-10%: 600Hz=+0.3dB",
        "   Mid偏少-20%: 2.5kHz=+0.5dB q=1.0",
        "   宽度偏窄-4.5%: Side=+0.5dB",
        "   动态接近目标(Δ+2.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 117.5,
        "centroid": 2864.0,
        "onset_density": 4.2,
        "low_energy": 47.900001525878906
      },
      "ref": {
        "lufs": -7.8,
        "peak": 1.399999976158142,
        "rms": -11.5,
        "crest": 12.899999618530273,
        "width": 11.699999809265137,
        "low_pct": 28.600000381469727,
        "mid_pct": 60.599998474121094,
        "high_pct": 10.800000190734863,
        "centroid": 1478.0,
        "bands": {
          "sub": 2.4000000953674316,
          "bass": 26.200000762939453,
          "low_mid": 35.099998474121094,
          "mid": 25.5,
          "high_mid": 8.699999809265137,
          "air": 2.0999999046325684
        }
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-20260331-002402-88137c/01_Love Story_20260331/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260331-002402-88137c/01_Love Story_20260331/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.2,
        "peak": 0.20000000298023224,
        "rms": -16.0,
        "crest": 16.200000762939453,
        "width": 9.699999809265137,
        "low_pct": 47.79999923706055,
        "mid_pct": 46.20000076293945,
        "high_pct": 5.900000095367432,
        "centroid": 899.0,
        "bands": {
          "sub": 11.600000381469727,
          "bass": 36.29999923706055,
          "low_mid": 36.900001525878906,
          "mid": 9.300000190734863,
          "high_mid": 2.799999952316284,
          "air": 3.0999999046325684
        }
      },
      "after": {
        "lufs": -10.2,
        "peak": 0.0,
        "rms": -13.399999618530273,
        "crest": 13.5,
        "width": 8.800000190734863,
        "low_pct": 39.29999923706055,
        "mid_pct": 52.900001525878906,
        "high_pct": 7.800000190734863,
        "centroid": 1139.0,
        "bands": {
          "sub": 10.399999618530273,
          "bass": 28.899999618530273,
          "low_mid": 40.0,
          "mid": 12.899999618530273,
          "high_mid": 3.5999999046325684,
          "air": 4.099999904632568
        }
      },
      "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,
        "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": 0.4860000014305115,
        "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": 0.12950001657009125,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.9199999570846558,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.04000002145767212,
        "tight_hz": 120,
        "tight_db": -1.0759999752044678,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.7900000214576721,
        "comp_threshold_db": -9.980000495910645,
        "comp_ratio": 2.0,
        "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": 0.0,
        "side_gain_db": 0.0,
        "_global_low": 47.79999923706055,
        "_global_mid": 46.20000076293945,
        "_global_high": 5.900000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=48% Mid=46% High=6% W=9.7% Crest=16.2",
        "   目标: Low=29% Mid=61% High=11% W=11.7% Crest=12.9",
        "   差值: ΔLow=+19% ΔMid=-14% ΔHigh=-5% ΔW=-2.0% ΔCrest=+3.3",
        "   低频偏多+19%: 去闷=-1.9dB, 低频增强=0.0dB, 收紧=-1.1dB",
        "   高频偏少-5%: 空气感=+0.8dB",
        "   LowMid接近目标(Δ+2%) → 不调",
        "   Mid偏少-16%: 2.5kHz=+0.5dB q=1.0",
        "   宽度接近目标(Δ-2.0%) → Side增益归零",
        "   动态偏大+3.3dB: 压缩阈值=-10.0dB, PC mix=13%"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 117.5,
        "centroid": 3002.0,
        "onset_density": 4.2,
        "low_energy": 49.900001525878906
      },
      "ref": {
        "lufs": -7.8,
        "peak": 1.399999976158142,
        "rms": -11.5,
        "crest": 12.899999618530273,
        "width": 11.699999809265137,
        "low_pct": 28.600000381469727,
        "mid_pct": 60.599998474121094,
        "high_pct": 10.800000190734863,
        "centroid": 1478.0,
        "bands": {
          "sub": 2.4000000953674316,
          "bass": 26.200000762939453,
          "low_mid": 35.099998474121094,
          "mid": 25.5,
          "high_mid": 8.699999809265137,
          "air": 2.0999999046325684
        }
      }
    }
  ],
  "time": 29.3
}