{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260327-141146/01_九张机_20260327/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260327-141146/01_九张机_20260327/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.4,
        "peak": 0.0,
        "rms": -15.399999618530273,
        "crest": 15.5,
        "width": 13.5,
        "low_pct": 69.30000305175781,
        "mid_pct": 26.0,
        "high_pct": 4.699999809265137,
        "centroid": 694.0,
        "bands": {
          "sub": 10.5,
          "bass": 58.79999923706055,
          "low_mid": 19.0,
          "mid": 7.0,
          "high_mid": 2.5,
          "air": 2.200000047683716
        }
      },
      "after": {
        "lufs": -11.1,
        "peak": 0.0,
        "rms": -14.399999618530273,
        "crest": 14.399999618530273,
        "width": 11.5,
        "low_pct": 63.400001525878906,
        "mid_pct": 30.0,
        "high_pct": 6.5,
        "centroid": 904.0,
        "bands": {
          "sub": 10.899999618530273,
          "bass": 52.5,
          "low_mid": 20.100000381469727,
          "mid": 10.0,
          "high_mid": 3.5,
          "air": 3.0999999046325684
        }
      },
      "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": 1000,
        "mid_snap_db": 0.5,
        "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": 0.2,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.5,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.2,
        "comp_threshold_db": -10.0,
        "comp_ratio": 1.8,
        "comp_attack_ms": 20,
        "comp_release_ms": 120,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_global_low": 69.30000305175781,
        "_global_mid": 26.0,
        "_global_high": 4.699999809265137
      },
      "reasons": [
        "低频69%严重超载，去闷-2.5dB，低频增强降到0.5，Mid低频归零",
        "高频5%偏低，空气感+1.0dB",
        "中频26%偏低，加强1kHz打击感+0.5dB",
        "宽度13.5%正常，保持基准",
        "Crest 15.5dB正常，保持压缩阈值-10dB",
        "🎵 风格: hip_hop (medium, via audio) — 嘻哈：Sub有力，紧凑，中等压缩 (ref: 楼上的房东)",
        "   ⚠️ 低频69%超载，跳过 sub_shelf_db+1.0"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2414.0,
        "onset_density": 2.7,
        "low_energy": 42.0
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-20260327-141146/01_九张机_20260327/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260327-141146/01_九张机_20260327/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.0,
        "peak": -0.800000011920929,
        "rms": -15.100000381469727,
        "crest": 14.300000190734863,
        "width": 12.0,
        "low_pct": 62.0,
        "mid_pct": 34.0,
        "high_pct": 4.0,
        "centroid": 752.0,
        "bands": {
          "sub": 11.399999618530273,
          "bass": 50.599998474121094,
          "low_mid": 20.899999618530273,
          "mid": 13.0,
          "high_mid": 2.700000047683716,
          "air": 1.2999999523162842
        }
      },
      "after": {
        "lufs": -11.0,
        "peak": 0.0,
        "rms": -14.399999618530273,
        "crest": 14.399999618530273,
        "width": 10.199999809265137,
        "low_pct": 49.79999923706055,
        "mid_pct": 44.79999923706055,
        "high_pct": 5.400000095367432,
        "centroid": 985.0,
        "bands": {
          "sub": 10.199999809265137,
          "bass": 39.599998474121094,
          "low_mid": 26.5,
          "mid": 18.299999237060547,
          "high_mid": 3.700000047683716,
          "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": 1000,
        "mid_snap_db": 0.5,
        "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": 0.25,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.5,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
        "tight_hz": 120,
        "tight_db": -2.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.3,
        "comp_threshold_db": -10.0,
        "comp_ratio": 2.0,
        "comp_attack_ms": 10,
        "comp_release_ms": 80,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_global_low": 62.0,
        "_global_mid": 34.0,
        "_global_high": 4.0
      },
      "reasons": [
        "低频62%严重超载，去闷-2.5dB，低频增强降到0.5，Mid低频归零",
        "高频4%偏低，空气感+1.0dB",
        "中频34%偏低，加强1kHz打击感+0.5dB",
        "宽度12.0%正常，保持基准",
        "Crest 14.3dB正常，保持压缩阈值-10dB",
        "🎵 风格: edm (high, via audio) — 电子：重Bass，紧压缩，窄声场 (ref: 3.14159)",
        "   ⚠️ 低频62%超载，跳过 sub_shelf_db+1.5"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 2352.0,
        "onset_density": 3.2,
        "low_energy": 43.0
      }
    }
  ],
  "time": 36.1
}