{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/01_赤伶_20260328/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/01_赤伶_20260328/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.5,
        "peak": -0.4000000059604645,
        "rms": -16.399999618530273,
        "crest": 16.100000381469727,
        "width": 12.199999809265137,
        "low_pct": 38.099998474121094,
        "mid_pct": 57.599998474121094,
        "high_pct": 4.300000190734863,
        "centroid": 817.0,
        "bands": {
          "sub": 5.599999904632568,
          "bass": 32.400001525878906,
          "low_mid": 47.400001525878906,
          "mid": 10.199999809265137,
          "high_mid": 1.7000000476837158,
          "air": 2.5999999046325684
        }
      },
      "after": {
        "lufs": -10.4,
        "peak": 0.0,
        "rms": -13.600000381469727,
        "crest": 13.600000381469727,
        "width": 10.300000190734863,
        "low_pct": 33.70000076293945,
        "mid_pct": 60.599998474121094,
        "high_pct": 5.699999809265137,
        "centroid": 999.0,
        "bands": {
          "sub": 5.300000190734863,
          "bass": 28.399999618530273,
          "low_mid": 47.5,
          "mid": 13.100000381469727,
          "high_mid": 2.299999952316284,
          "air": 3.4000000953674316
        }
      },
      "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": 0.5,
        "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": 0.13249999284744263,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.5299999713897705,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.23500001430511475,
        "tight_hz": 120,
        "tight_db": -0.9589999914169312,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.20200000703334808,
        "comp_threshold_db": -10.100000381469727,
        "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": -0.25,
        "_global_low": 38.099998474121094,
        "_global_mid": 57.599998474121094,
        "_global_high": 4.300000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=38% Mid=58% High=4% W=12.2% Crest=16.1",
        "   目标: Low=23% Mid=76% High=1% W=9.7% Crest=12.6",
        "   差值: ΔLow=+15% ΔMid=-18% ΔHigh=+3% ΔW=+2.5% ΔCrest=+3.5",
        "   低频偏多+15%: 去闷=-1.5dB, 低频增强=0.2dB, 收紧=-1.0dB",
        "   高频偏多+3%: 空气感=-0.0dB",
        "   LowMid接近目标(Δ+2%) → 不调",
        "   Mid偏少-21%: 2.5kHz=+0.5dB q=1.0",
        "   Air偏多+2.4%: 空气感再降0.2dB→-0.2dB",
        "   宽度偏宽+2.5%: Side整体=-0.2dB",
        "   动态偏大+3.5dB: 压缩阈值=-10.1dB, PC mix=13%"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2278.0,
        "onset_density": 2.4,
        "low_energy": 44.900001525878906
      },
      "ref": {
        "lufs": -8.2,
        "peak": 1.100000023841858,
        "rms": -11.5,
        "crest": 12.600000381469727,
        "width": 9.699999809265137,
        "low_pct": 22.799999237060547,
        "mid_pct": 76.0,
        "high_pct": 1.2000000476837158,
        "centroid": 1005.0,
        "bands": {
          "sub": 2.9000000953674316,
          "bass": 19.899999618530273,
          "low_mid": 44.900001525878906,
          "mid": 31.100000381469727,
          "high_mid": 1.0,
          "air": 0.20000000298023224
        }
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/01_赤伶_20260328/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-guofeng-20260328-145431/01_赤伶_20260328/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.8,
        "peak": -0.30000001192092896,
        "rms": -16.600000381469727,
        "crest": 16.299999237060547,
        "width": 11.5,
        "low_pct": 56.400001525878906,
        "mid_pct": 39.900001525878906,
        "high_pct": 3.5999999046325684,
        "centroid": 664.0,
        "bands": {
          "sub": 4.300000190734863,
          "bass": 52.099998474121094,
          "low_mid": 33.599998474121094,
          "mid": 6.400000095367432,
          "high_mid": 1.899999976158142,
          "air": 1.7000000476837158
        }
      },
      "after": {
        "lufs": -10.7,
        "peak": 0.20000000298023224,
        "rms": -13.699999809265137,
        "crest": 13.899999618530273,
        "width": 9.300000190734863,
        "low_pct": 50.0,
        "mid_pct": 44.900001525878906,
        "high_pct": 5.099999904632568,
        "centroid": 855.0,
        "bands": {
          "sub": 4.0,
          "bass": 46.099998474121094,
          "low_mid": 36.0,
          "mid": 8.800000190734863,
          "high_mid": 2.700000047683716,
          "air": 2.4000000953674316
        }
      },
      "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": 0.5,
        "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": 0.1354999840259552,
        "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": 0.060000017285346985,
        "comp_threshold_db": -10.219999313354492,
        "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": 0.33900007605552673,
        "side_gain_db": 0.0,
        "_global_low": 56.400001525878906,
        "_global_mid": 39.900001525878906,
        "_global_high": 3.5999999046325684
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=56% Mid=40% High=4% W=11.5% Crest=16.3",
        "   目标: Low=23% Mid=76% High=1% W=9.7% Crest=12.6",
        "   差值: ΔLow=+34% ΔMid=-36% ΔHigh=+2% ΔW=+1.8% ΔCrest=+3.7",
        "   低频偏多+34%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频偏多+2%: 空气感=0.1dB",
        "   LowMid偏少-11%: 600Hz=+0.3dB",
        "   Mid偏少-25%: 2.5kHz=+0.5dB q=1.0",
        "   宽度接近目标(Δ+1.8%) → Side增益归零",
        "   动态偏大+3.7dB: 压缩阈值=-10.2dB, PC mix=14%"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1925.0,
        "onset_density": 2.3,
        "low_energy": 47.099998474121094
      },
      "ref": {
        "lufs": -8.2,
        "peak": 1.100000023841858,
        "rms": -11.5,
        "crest": 12.600000381469727,
        "width": 9.699999809265137,
        "low_pct": 22.799999237060547,
        "mid_pct": 76.0,
        "high_pct": 1.2000000476837158,
        "centroid": 1005.0,
        "bands": {
          "sub": 2.9000000953674316,
          "bass": 19.899999618530273,
          "low_mid": 44.900001525878906,
          "mid": 31.100000381469727,
          "high_mid": 1.0,
          "air": 0.20000000298023224
        }
      }
    }
  ]
}