{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260514-120504-ff9f9f/01_When We Wish Upon A Star_20260514/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260514-120504-ff9f9f/01_When We Wish Upon A Star_20260514/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.4,
        "peak": -0.0,
        "rms": -15.0,
        "crest": 15.0,
        "width": 26.600000381469727,
        "low_pct": 25.5,
        "mid_pct": 74.5,
        "high_pct": 0.0,
        "centroid": 588.0,
        "bands": {
          "sub": 0.0,
          "bass": 25.399999618530273,
          "low_mid": 60.599998474121094,
          "mid": 13.899999618530273,
          "high_mid": 0.0,
          "air": 0.0
        }
      },
      "after": {
        "lufs": -10.7,
        "peak": -0.10000000149011612,
        "rms": -13.100000381469727,
        "crest": 13.0,
        "width": 15.600000381469727,
        "low_pct": 31.700000762939453,
        "mid_pct": 68.30000305175781,
        "high_pct": 0.0,
        "centroid": 539.0,
        "bands": {
          "sub": 0.0,
          "bass": 31.600000381469727,
          "low_mid": 55.70000076293945,
          "mid": 12.600000381469727,
          "high_mid": 0.0,
          "air": 0.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.0,
        "tight_hz": 120,
        "tight_db": 0.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "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": -0.11999999731779099,
        "side_gain_db": -2.0,
        "_global_low": 25.5,
        "_global_mid": 74.5,
        "_global_high": 0.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=26% Mid=74% High=0% W=26.6% Crest=15.0",
        "   目标: Low=42% Mid=58% High=0% W=6.0% Crest=16.5",
        "   差值: ΔLow=-16% ΔMid=+16% ΔHigh=+0% ΔW=+20.6% ΔCrest=-1.5",
        "   低频偏少-16%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏多+4%: 600Hz=-0.1dB",
        "   Mid偏多+12%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏宽+20.6%: Side整体=-2.0dB",
        "   动态接近目标(Δ-1.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "classical",
        "confidence": "low",
        "source": "audio",
        "bpm": 184.6,
        "centroid": 970.0,
        "onset_density": 3.7,
        "low_energy": 36.599998474121094
      },
      "ref": {
        "lufs": -13.9,
        "peak": -0.699999988079071,
        "rms": -17.100000381469727,
        "crest": 16.5,
        "width": 6.0,
        "low_pct": 42.0,
        "mid_pct": 58.0,
        "high_pct": 0.0,
        "centroid": 319.0,
        "bands": {
          "sub": 0.800000011920929,
          "bass": 41.20000076293945,
          "low_mid": 56.599998474121094,
          "mid": 1.399999976158142,
          "high_mid": 0.0,
          "air": 0.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260514-120504-ff9f9f/01_When We Wish Upon A Star_20260514/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260514-120504-ff9f9f/01_When We Wish Upon A Star_20260514/suno_mixed_1.mp3",
      "before": {
        "lufs": -11.9,
        "peak": 0.10000000149011612,
        "rms": -14.699999809265137,
        "crest": 14.800000190734863,
        "width": 29.200000762939453,
        "low_pct": 23.0,
        "mid_pct": 76.9000015258789,
        "high_pct": 0.0,
        "centroid": 664.0,
        "bands": {
          "sub": 0.0,
          "bass": 23.0,
          "low_mid": 50.29999923706055,
          "mid": 26.600000381469727,
          "high_mid": 0.0,
          "air": 0.0
        }
      },
      "after": {
        "lufs": -10.3,
        "peak": 0.0,
        "rms": -12.899999618530273,
        "crest": 12.899999618530273,
        "width": 16.5,
        "low_pct": 24.299999237060547,
        "mid_pct": 75.69999694824219,
        "high_pct": 0.0,
        "centroid": 633.0,
        "bands": {
          "sub": 0.0,
          "bass": 24.299999237060547,
          "low_mid": 52.20000076293945,
          "mid": 23.5,
          "high_mid": 0.0,
          "air": 0.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.6,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.6,
        "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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 2.0,
        "tight_hz": 120,
        "tight_db": 0.0,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "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": 0.1889999657869339,
        "side_gain_db": -2.0,
        "_global_low": 23.0,
        "_global_mid": 76.9000015258789,
        "_global_high": 0.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=23% Mid=77% High=0% W=29.2% Crest=14.8",
        "   目标: Low=42% Mid=58% High=0% W=6.0% Crest=16.5",
        "   差值: ΔLow=-19% ΔMid=+19% ΔHigh=+0% ΔW=+23.2% ΔCrest=-1.7",
        "   低频偏少-19%: 去闷=0, 低频增强=2.0dB, Mid低频=0.6dB",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏少-6%: 600Hz=+0.2dB",
        "   Mid偏多+25%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏宽+23.2%: Side整体=-2.0dB",
        "   动态接近目标(Δ-1.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 184.6,
        "centroid": 900.0,
        "onset_density": 3.3,
        "low_energy": 41.0
      },
      "ref": {
        "lufs": -13.9,
        "peak": -0.699999988079071,
        "rms": -17.100000381469727,
        "crest": 16.5,
        "width": 6.0,
        "low_pct": 42.0,
        "mid_pct": 58.0,
        "high_pct": 0.0,
        "centroid": 319.0,
        "bands": {
          "sub": 0.800000011920929,
          "bass": 41.20000076293945,
          "low_mid": 56.599998474121094,
          "mid": 1.399999976158142,
          "high_mid": 0.0,
          "air": 0.0
        }
      }
    }
  ],
  "time": 67.0
}