{
  "songs": [
    {
      "input": "/srv/music-files/pipeline/batch-20260401-171704-a5bc21/01_If I Ain't Got You_20260401/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline/batch-20260401-171704-a5bc21/01_If I Ain't Got You_20260401/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.8,
        "peak": 0.10000000149011612,
        "rms": -16.700000762939453,
        "crest": 16.799999237060547,
        "width": 7.599999904632568,
        "low_pct": 64.80000305175781,
        "mid_pct": 26.799999237060547,
        "high_pct": 8.399999618530273,
        "centroid": 1102.0,
        "bands": {
          "sub": 29.0,
          "bass": 35.79999923706055,
          "low_mid": 14.0,
          "mid": 12.800000190734863,
          "high_mid": 3.799999952316284,
          "air": 4.5
        }
      },
      "after": {
        "lufs": -10.2,
        "peak": 0.4000000059604645,
        "rms": -13.5,
        "crest": 13.899999618530273,
        "width": 8.199999809265137,
        "low_pct": 51.099998474121094,
        "mid_pct": 37.900001525878906,
        "high_pct": 10.899999618530273,
        "centroid": 1436.0,
        "bands": {
          "sub": 21.700000762939453,
          "bass": 29.399999618530273,
          "low_mid": 20.299999237060547,
          "mid": 17.600000381469727,
          "high_mid": 5.099999904632568,
          "air": 5.900000095367432
        }
      },
      "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": 0.0,
        "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": -1.3900002241134644,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.3049998879432678,
        "tight_hz": 120,
        "tight_db": -0.9170000553131104,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.8339999914169312,
        "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": 64.80000305175781,
        "_global_mid": 26.799999237060547,
        "_global_high": 8.399999618530273
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=65% Mid=27% High=8% W=7.6% Crest=16.8",
        "   目标: Low=51% Mid=49% High=0% W=7.2% Crest=15.2",
        "   差值: ΔLow=+14% ΔMid=-22% ΔHigh=+8% ΔW=+0.4% ΔCrest=+1.6",
        "   低频偏多+14%: 去闷=-1.4dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频偏多+8%: 空气感=-0.5dB",
        "   LowMid偏少-22%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ-0%) → 不调",
        "   Air偏多+4.3%: 空气感再降0.3dB→-0.8dB",
        "   宽度接近目标(Δ+0.4%) → 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": 123.0,
        "centroid": 3226.0,
        "onset_density": 2.5,
        "low_energy": 47.70000076293945
      },
      "ref": {
        "lufs": -11.8,
        "peak": 0.699999988079071,
        "rms": -14.600000381469727,
        "crest": 15.199999809265137,
        "width": 7.199999809265137,
        "low_pct": 50.900001525878906,
        "mid_pct": 48.599998474121094,
        "high_pct": 0.5,
        "centroid": 563.0,
        "bands": {
          "sub": 18.600000381469727,
          "bass": 32.29999923706055,
          "low_mid": 35.599998474121094,
          "mid": 13.0,
          "high_mid": 0.30000001192092896,
          "air": 0.20000000298023224
        }
      }
    },
    {
      "input": "/srv/music-files/pipeline/batch-20260401-171704-a5bc21/01_If I Ain't Got You_20260401/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline/batch-20260401-171704-a5bc21/01_If I Ain't Got You_20260401/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.8,
        "peak": 0.10000000149011612,
        "rms": -15.300000190734863,
        "crest": 15.399999618530273,
        "width": 4.900000095367432,
        "low_pct": 55.79999923706055,
        "mid_pct": 34.0,
        "high_pct": 10.199999809265137,
        "centroid": 1338.0,
        "bands": {
          "sub": 23.200000762939453,
          "bass": 32.599998474121094,
          "low_mid": 19.5,
          "mid": 14.5,
          "high_mid": 4.599999904632568,
          "air": 5.599999904632568
        }
      },
      "after": {
        "lufs": -9.7,
        "peak": 0.30000001192092896,
        "rms": -12.5,
        "crest": 12.800000190734863,
        "width": 6.0,
        "low_pct": 43.599998474121094,
        "mid_pct": 43.599998474121094,
        "high_pct": 12.699999809265137,
        "centroid": 1649.0,
        "bands": {
          "sub": 16.799999237060547,
          "bass": 26.799999237060547,
          "low_mid": 25.899999618530273,
          "mid": 17.700000762939453,
          "high_mid": 5.699999809265137,
          "air": 7.099999904632568
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.08279999345541,
        "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": -0.9320000410079956,
        "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": 0.4829999506473541,
        "side_gain_db": 0.2759999632835388,
        "_global_low": 55.79999923706055,
        "_global_mid": 34.0,
        "_global_high": 10.199999809265137
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=56% Mid=34% High=10% W=4.9% Crest=15.4",
        "   目标: Low=51% Mid=49% High=0% W=7.2% Crest=15.2",
        "   差值: ΔLow=+5% ΔMid=-15% ΔHigh=+10% ΔW=-2.3% ΔCrest=+0.2",
        "   低频接近目标(Δ+5%) → 微调模式",
        "   高频偏多+10%: 空气感=-0.5dB",
        "   LowMid偏少-16%: 600Hz=+0.5dB",
        "   Mid接近目标(Δ+2%) → 不调",
        "   Air偏多+5.4%: 空气感再降0.4dB→-0.9dB",
        "   宽度偏窄-2.3%: Side=+0.3dB",
        "   动态接近目标(Δ+0.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "pop",
        "confidence": "medium",
        "source": "audio",
        "bpm": 117.5,
        "centroid": 3184.0,
        "onset_density": 2.9,
        "low_energy": 59.5
      },
      "ref": {
        "lufs": -11.8,
        "peak": 0.699999988079071,
        "rms": -14.600000381469727,
        "crest": 15.199999809265137,
        "width": 7.199999809265137,
        "low_pct": 50.900001525878906,
        "mid_pct": 48.599998474121094,
        "high_pct": 0.5,
        "centroid": 563.0,
        "bands": {
          "sub": 18.600000381469727,
          "bass": 32.29999923706055,
          "low_mid": 35.599998474121094,
          "mid": 13.0,
          "high_mid": 0.30000001192092896,
          "air": 0.20000000298023224
        }
      }
    }
  ],
  "time": 40.2
}