{
  "songs": [
    {
      "input": "/tmp/music-pipeline/batch-xinianbing/01_思念病_20260325/suno_raw_0.mp3",
      "output": "/tmp/music-pipeline/batch-xinianbing/01_思念病_20260325/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.9,
        "peak": -0.699999988079071,
        "rms": -15.100000381469727,
        "crest": 14.399999618530273,
        "width": 14.0,
        "low_pct": 43.79999923706055,
        "mid_pct": 55.099998474121094,
        "high_pct": 1.100000023841858,
        "centroid": 526.0,
        "bands": {
          "sub": 4.800000190734863,
          "bass": 39.0,
          "low_mid": 48.0,
          "mid": 7.099999904632568,
          "high_mid": 0.800000011920929,
          "air": 0.30000001192092896
        }
      },
      "after": {
        "lufs": -11.4,
        "peak": 0.0,
        "rms": -13.699999809265137,
        "crest": 13.699999809265137,
        "width": 11.399999618530273,
        "low_pct": 43.599998474121094,
        "mid_pct": 55.099998474121094,
        "high_pct": 1.2000000476837158,
        "centroid": 576.0,
        "bands": {
          "sub": 4.5,
          "bass": 39.099998474121094,
          "low_mid": 46.70000076293945,
          "mid": 8.399999618530273,
          "high_mid": 0.8999999761581421,
          "air": 0.4000000059604645
        }
      },
      "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": 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": 0.15,
        "pre_gain_db": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 1.5,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.5,
        "comp_threshold_db": -10.0,
        "comp_ratio": 1.8,
        "comp_attack_ms": 20,
        "comp_release_ms": 150,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_global_low": 43.79999923706055,
        "_global_mid": 55.099998474121094,
        "_global_high": 1.100000023841858
      },
      "reasons": [
        "低频44%略高，去闷-2.0dB",
        "高频1%极度暗淡，空气感+1.5dB",
        "中频55%正常，保持基准",
        "宽度14.0%正常，保持基准",
        "Crest 14.4dB正常，保持压缩阈值-10dB",
        "🎵 风格: pop (low, via audio) — 流行：低中均衡，中等压缩 (ref: 愿与愁)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "low",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 1973.0,
        "onset_density": 2.8,
        "low_energy": 69.5
      }
    },
    {
      "input": "/tmp/music-pipeline/batch-xinianbing/01_思念病_20260325/suno_raw_1.mp3",
      "output": "/tmp/music-pipeline/batch-xinianbing/01_思念病_20260325/suno_mixed_1.mp3",
      "before": {
        "lufs": -14.6,
        "peak": -2.9000000953674316,
        "rms": -17.600000381469727,
        "crest": 14.699999809265137,
        "width": 9.600000381469727,
        "low_pct": 21.399999618530273,
        "mid_pct": 74.4000015258789,
        "high_pct": 4.199999809265137,
        "centroid": 1076.0,
        "bands": {
          "sub": 7.800000190734863,
          "bass": 13.600000381469727,
          "low_mid": 43.400001525878906,
          "mid": 31.0,
          "high_mid": 3.0999999046325684,
          "air": 1.100000023841858
        }
      },
      "after": {
        "lufs": -12.5,
        "peak": -1.100000023841858,
        "rms": -15.300000190734863,
        "crest": 14.199999809265137,
        "width": 7.5,
        "low_pct": 26.100000381469727,
        "mid_pct": 69.5,
        "high_pct": 4.400000095367432,
        "centroid": 1066.0,
        "bands": {
          "sub": 11.899999618530273,
          "bass": 14.199999809265137,
          "low_mid": 38.70000076293945,
          "mid": 30.799999237060547,
          "high_mid": 3.0999999046325684,
          "air": 1.2000000476837158
        }
      },
      "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": 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": -0.5,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 3.5,
        "tight_hz": 120,
        "tight_db": -0.5,
        "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,
        "_cut_boxy": true,
        "_global_low": 21.399999618530273,
        "_global_mid": 74.4000015258789,
        "_global_high": 4.199999809265137
      },
      "reasons": [
        "低频21%严重不足，去闷-0.5dB，低频增强+2.5dB",
        "高频4%偏低，空气感+1.0dB",
        "中频74%堆积(盒音)，切800Hz -1.0dB",
        "宽度9.6%正常，保持基准",
        "Crest 14.7dB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)"
      ],
      "genre": {
        "genre": "hip_hop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2625.0,
        "onset_density": 2.6,
        "low_energy": 49.70000076293945
      }
    }
  ],
  "time": 31.6
}