{
  "songs": [
    {
      "input": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/01_月牙湾_20260419/suno_raw_0.mp3",
      "output": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/01_月牙湾_20260419/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.4,
        "peak": -3.0,
        "rms": -16.399999618530273,
        "crest": 13.300000190734863,
        "width": 13.300000190734863,
        "low_pct": 57.400001525878906,
        "mid_pct": 37.099998474121094,
        "high_pct": 5.400000095367432,
        "centroid": 988.0,
        "bands": {
          "sub": 9.399999618530273,
          "bass": 48.0,
          "low_mid": 15.800000190734863,
          "mid": 21.299999237060547,
          "high_mid": 4.199999809265137,
          "air": 1.2000000476837158
        }
      },
      "after": {
        "lufs": -9.4,
        "peak": 0.20000000298023224,
        "rms": -12.399999618530273,
        "crest": 12.699999809265137,
        "width": 12.399999618530273,
        "low_pct": 53.79999923706055,
        "mid_pct": 40.400001525878906,
        "high_pct": 5.800000190734863,
        "centroid": 1033.0,
        "bands": {
          "sub": 9.199999809265137,
          "bass": 44.599998474121094,
          "low_mid": 18.5,
          "mid": 21.899999618530273,
          "high_mid": 4.400000095367432,
          "air": 1.399999976158142
        }
      },
      "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": 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": -1.260000228881836,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.36999988555908203,
        "tight_hz": 120,
        "tight_db": -0.878000020980835,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.010000020265579224,
        "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": 0.0,
        "_global_low": 57.400001525878906,
        "_global_mid": 37.099998474121094,
        "_global_high": 5.400000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=57% Mid=37% High=5% W=13.3% Crest=13.3",
        "   目标: Low=45% Mid=53% High=2% W=12.4% Crest=13.6",
        "   差值: ΔLow=+13% ΔMid=-16% ΔHigh=+3% ΔW=+0.9% ΔCrest=-0.3",
        "   低频偏多+13%: 去闷=-1.3dB, 低频增强=0.4dB, 收紧=-0.9dB",
        "   高频偏多+3%: 空气感=-0.0dB",
        "   LowMid偏少-28%: 600Hz=+0.5dB",
        "   Mid偏多+13%: 2.5kHz=-0.5dB q=1.0",
        "   宽度接近目标(Δ+0.9%) → Side增益归零",
        "   动态接近目标(Δ-0.3dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 172.3,
        "centroid": 2729.0,
        "onset_density": 4.9,
        "low_energy": 56.79999923706055
      },
      "ref": {
        "lufs": -10.7,
        "peak": 0.0,
        "rms": -13.600000381469727,
        "crest": 13.600000381469727,
        "width": 12.399999618530273,
        "low_pct": 44.79999923706055,
        "mid_pct": 52.900001525878906,
        "high_pct": 2.299999952316284,
        "centroid": 634.0,
        "bands": {
          "sub": 3.0,
          "bass": 41.79999923706055,
          "low_mid": 44.20000076293945,
          "mid": 8.699999809265137,
          "high_mid": 1.100000023841858,
          "air": 1.2000000476837158
        }
      }
    },
    {
      "input": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/01_月牙湾_20260419/suno_raw_1.mp3",
      "output": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/01_月牙湾_20260419/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.3,
        "peak": -0.800000011920929,
        "rms": -15.199999809265137,
        "crest": 14.399999618530273,
        "width": 15.199999809265137,
        "low_pct": 62.29999923706055,
        "mid_pct": 33.0,
        "high_pct": 4.699999809265137,
        "centroid": 816.0,
        "bands": {
          "sub": 19.700000762939453,
          "bass": 42.599998474121094,
          "low_mid": 18.399999618530273,
          "mid": 14.600000381469727,
          "high_mid": 3.4000000953674316,
          "air": 1.2999999523162842
        }
      },
      "after": {
        "lufs": -8.9,
        "peak": 0.30000001192092896,
        "rms": -12.100000381469727,
        "crest": 12.399999618530273,
        "width": 13.800000190734863,
        "low_pct": 51.900001525878906,
        "mid_pct": 42.29999923706055,
        "high_pct": 5.800000190734863,
        "centroid": 994.0,
        "bands": {
          "sub": 17.100000381469727,
          "bass": 34.70000076293945,
          "low_mid": 24.5,
          "mid": 17.799999237060547,
          "high_mid": 4.099999904632568,
          "air": 1.7000000476837158
        }
      },
      "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": -0.23600001633167267,
        "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": -1.75,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.125,
        "tight_hz": 120,
        "tight_db": -1.024999976158142,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.060000017285346985,
        "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": -0.2800000309944153,
        "_global_low": 62.29999923706055,
        "_global_mid": 33.0,
        "_global_high": 4.699999809265137
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=62% Mid=33% High=5% W=15.2% Crest=14.4",
        "   目标: Low=45% Mid=53% High=2% W=12.4% Crest=13.6",
        "   差值: ΔLow=+18% ΔMid=-20% ΔHigh=+2% ΔW=+2.8% ΔCrest=+0.8",
        "   低频偏多+18%: 去闷=-1.8dB, 低频增强=0.1dB, 收紧=-1.0dB",
        "   高频偏多+2%: 空气感=0.1dB",
        "   LowMid偏少-26%: 600Hz=+0.5dB",
        "   Mid偏多+6%: 2.5kHz=-0.2dB q=1.0",
        "   宽度偏宽+2.8%: Side整体=-0.3dB",
        "   动态接近目标(Δ+0.8dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 172.3,
        "centroid": 3111.0,
        "onset_density": 4.8,
        "low_energy": 45.70000076293945
      },
      "ref": {
        "lufs": -10.7,
        "peak": 0.0,
        "rms": -13.600000381469727,
        "crest": 13.600000381469727,
        "width": 12.399999618530273,
        "low_pct": 44.79999923706055,
        "mid_pct": 52.900001525878906,
        "high_pct": 2.299999952316284,
        "centroid": 634.0,
        "bands": {
          "sub": 3.0,
          "bass": 41.79999923706055,
          "low_mid": 44.20000076293945,
          "mid": 8.699999809265137,
          "high_mid": 1.100000023841858,
          "air": 1.2000000476837158
        }
      }
    }
  ],
  "time": 39.5
}