{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/04_sleepless in a hotel room_归途无声_20260406/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/04_sleepless in a hotel room_归途无声_20260406/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.4,
        "peak": -1.7999999523162842,
        "rms": -16.200000762939453,
        "crest": 14.399999618530273,
        "width": 13.5,
        "low_pct": 56.5,
        "mid_pct": 35.20000076293945,
        "high_pct": 8.300000190734863,
        "centroid": 1185.0,
        "bands": {
          "sub": 16.200000762939453,
          "bass": 40.400001525878906,
          "low_mid": 19.899999618530273,
          "mid": 15.300000190734863,
          "high_mid": 3.9000000953674316,
          "air": 4.400000095367432
        }
      },
      "after": {
        "lufs": -9.6,
        "peak": 0.0,
        "rms": -12.5,
        "crest": 12.5,
        "width": 11.199999809265137,
        "low_pct": 54.20000076293945,
        "mid_pct": 37.099998474121094,
        "high_pct": 8.699999809265137,
        "centroid": 1245.0,
        "bands": {
          "sub": 14.0,
          "bass": 40.20000076293945,
          "low_mid": 20.399999618530273,
          "mid": 16.700000762939453,
          "high_mid": 4.199999809265137,
          "air": 4.5
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "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": 0.19200001657009125,
        "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": -0.6799999475479126,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6600000262260437,
        "tight_hz": 120,
        "tight_db": -0.7039999961853027,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.48200005292892456,
        "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": 0.16199998557567596,
        "side_gain_db": 0.0,
        "_global_low": 56.5,
        "_global_mid": 35.20000076293945,
        "_global_high": 8.300000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=56% Mid=35% High=8% W=13.5% Crest=14.4",
        "   目标: Low=50% Mid=47% High=3% W=14.5% Crest=12.8",
        "   差值: ΔLow=+7% ΔMid=-12% ΔHigh=+5% ΔW=-1.0% ΔCrest=+1.6",
        "   低频偏多+7%: 去闷=-0.7dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频偏多+5%: 空气感=-0.2dB",
        "   LowMid偏少-5%: 600Hz=+0.2dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   Air偏多+3.4%: 空气感再降0.3dB→-0.5dB",
        "   宽度接近目标(Δ-1.0%) → Side增益归零",
        "   动态接近目标(Δ+1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2548.0,
        "onset_density": 2.5,
        "low_energy": 49.599998474121094
      },
      "ref": {
        "lufs": -10.4,
        "peak": -0.30000001192092896,
        "rms": -13.100000381469727,
        "crest": 12.800000190734863,
        "width": 14.5,
        "low_pct": 49.70000076293945,
        "mid_pct": 47.0,
        "high_pct": 3.200000047683716,
        "centroid": 830.0,
        "bands": {
          "sub": 7.599999904632568,
          "bass": 42.099998474121094,
          "low_mid": 25.299999237060547,
          "mid": 21.700000762939453,
          "high_mid": 2.200000047683716,
          "air": 1.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/04_sleepless in a hotel room_归途无声_20260406/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/04_sleepless in a hotel room_归途无声_20260406/suno_mixed_1.mp3",
      "before": {
        "lufs": -11.1,
        "peak": 0.4000000059604645,
        "rms": -14.0,
        "crest": 14.399999618530273,
        "width": 12.5,
        "low_pct": 49.70000076293945,
        "mid_pct": 42.900001525878906,
        "high_pct": 7.300000190734863,
        "centroid": 1254.0,
        "bands": {
          "sub": 16.100000381469727,
          "bass": 33.70000076293945,
          "low_mid": 22.299999237060547,
          "mid": 20.600000381469727,
          "high_mid": 2.5999999046325684,
          "air": 4.699999809265137
        }
      },
      "after": {
        "lufs": -8.2,
        "peak": 0.0,
        "rms": -11.300000190734863,
        "crest": 11.399999618530273,
        "width": 11.5,
        "low_pct": 44.900001525878906,
        "mid_pct": 46.70000076293945,
        "high_pct": 8.399999618530273,
        "centroid": 1403.0,
        "bands": {
          "sub": 11.100000381469727,
          "bass": 33.79999923706055,
          "low_mid": 24.100000381469727,
          "mid": 22.600000381469727,
          "high_mid": 3.0999999046325684,
          "air": 5.400000095367432
        }
      },
      "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": 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": -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": -0.406000018119812,
        "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": 0.0,
        "side_gain_db": 0.0,
        "_global_low": 49.70000076293945,
        "_global_mid": 42.900001525878906,
        "_global_high": 7.300000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=50% Mid=43% High=7% W=12.5% Crest=14.4",
        "   目标: Low=50% Mid=47% High=3% W=14.5% Crest=12.8",
        "   差值: ΔLow=+0% ΔMid=-4% ΔHigh=+4% ΔW=-2.0% ΔCrest=+1.6",
        "   低频接近目标(Δ+0%) → 微调模式",
        "   高频偏多+4%: 空气感=-0.1dB",
        "   LowMid接近目标(Δ-3%) → 不调",
        "   Mid接近目标(Δ-1%) → 不调",
        "   Air偏多+3.7%: 空气感再降0.3dB→-0.4dB",
        "   宽度接近目标(Δ-2.0%) → Side增益归零",
        "   动态接近目标(Δ+1.6dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2563.0,
        "onset_density": 1.9,
        "low_energy": 42.79999923706055
      },
      "ref": {
        "lufs": -10.4,
        "peak": -0.30000001192092896,
        "rms": -13.100000381469727,
        "crest": 12.800000190734863,
        "width": 14.5,
        "low_pct": 49.70000076293945,
        "mid_pct": 47.0,
        "high_pct": 3.200000047683716,
        "centroid": 830.0,
        "bands": {
          "sub": 7.599999904632568,
          "bass": 42.099998474121094,
          "low_mid": 25.299999237060547,
          "mid": 21.700000762939453,
          "high_mid": 2.200000047683716,
          "air": 1.0
        }
      }
    }
  ],
  "time": 37.0
}