{
  "songs": [
    {
      "input": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/02_千年之恋_20260419/suno_raw_0.mp3",
      "output": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/02_千年之恋_20260419/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.4,
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        "rms": -16.299999237060547,
        "crest": 13.800000190734863,
        "width": 13.800000190734863,
        "low_pct": 59.599998474121094,
        "mid_pct": 34.5,
        "high_pct": 5.800000190734863,
        "centroid": 1001.0,
        "bands": {
          "sub": 16.399999618530273,
          "bass": 43.29999923706055,
          "low_mid": 12.800000190734863,
          "mid": 21.700000762939453,
          "high_mid": 3.9000000953674316,
          "air": 2.0
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      },
      "after": {
        "lufs": -9.4,
        "peak": 0.20000000298023224,
        "rms": -12.399999618530273,
        "crest": 12.600000381469727,
        "width": 13.399999618530273,
        "low_pct": 55.900001525878906,
        "mid_pct": 38.0,
        "high_pct": 6.099999904632568,
        "centroid": 1040.0,
        "bands": {
          "sub": 15.5,
          "bass": 40.400001525878906,
          "low_mid": 15.800000190734863,
          "mid": 22.200000762939453,
          "high_mid": 4.0,
          "air": 2.0999999046325684
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.1475999802350998,
        "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": -0.5,
        "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": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.5199996829032898,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.7400001287460327,
        "tight_hz": 120,
        "tight_db": -0.6559998989105225,
        "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": 0.5,
        "side_gain_db": 0.49199992418289185,
        "_global_low": 59.599998474121094,
        "_global_mid": 34.5,
        "_global_high": 5.800000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=60% Mid=34% High=6% W=13.8% Crest=13.8",
        "   目标: Low=54% Mid=38% High=8% W=17.9% Crest=13.5",
        "   差值: ΔLow=+5% ΔMid=-3% ΔHigh=-2% ΔW=-4.1% ΔCrest=+0.3",
        "   低频偏多+5%: 去闷=-0.5dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频接近目标(Δ-2%) → 微量空气感+0.3dB",
        "   LowMid偏少-19%: 600Hz=+0.5dB",
        "   Mid偏多+16%: 2.5kHz=-0.5dB q=1.0",
        "   宽度偏窄-4.1%: Side=+0.5dB",
        "   动态接近目标(Δ+0.3dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 129.2,
        "centroid": 2616.0,
        "onset_density": 4.0,
        "low_energy": 53.5
      },
      "ref": {
        "lufs": -6.5,
        "peak": 2.799999952316284,
        "rms": -10.699999809265137,
        "crest": 13.5,
        "width": 17.899999618530273,
        "low_pct": 54.400001525878906,
        "mid_pct": 37.79999923706055,
        "high_pct": 7.699999809265137,
        "centroid": 957.0,
        "bands": {
          "sub": 0.8999999761581421,
          "bass": 53.599998474121094,
          "low_mid": 31.899999618530273,
          "mid": 5.900000095367432,
          "high_mid": 3.5999999046325684,
          "air": 4.0
        }
      }
    },
    {
      "input": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/02_千年之恋_20260419/suno_raw_1.mp3",
      "output": "/srv/music-files-sandbox/pipeline/batch-20260419-132725-f21217/02_千年之恋_20260419/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -2.5,
        "rms": -16.100000381469727,
        "crest": 13.600000381469727,
        "width": 19.600000381469727,
        "low_pct": 61.099998474121094,
        "mid_pct": 34.29999923706055,
        "high_pct": 4.5,
        "centroid": 862.0,
        "bands": {
          "sub": 14.899999618530273,
          "bass": 46.20000076293945,
          "low_mid": 17.700000762939453,
          "mid": 16.700000762939453,
          "high_mid": 3.299999952316284,
          "air": 1.2000000476837158
        }
      },
      "after": {
        "lufs": -9.2,
        "peak": 0.20000000298023224,
        "rms": -12.399999618530273,
        "crest": 12.600000381469727,
        "width": 16.100000381469727,
        "low_pct": 56.400001525878906,
        "mid_pct": 38.79999923706055,
        "high_pct": 4.699999809265137,
        "centroid": 910.0,
        "bands": {
          "sub": 15.300000190734863,
          "bass": 41.099998474121094,
          "low_mid": 21.600000381469727,
          "mid": 17.200000762939453,
          "high_mid": 3.4000000953674316,
          "air": 1.2999999523162842
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      },
      "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": -0.4320000410079956,
        "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": -0.6699997186660767,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6650001406669617,
        "tight_hz": 120,
        "tight_db": -0.700999915599823,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.6200000047683716,
        "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": 0.4259999692440033,
        "side_gain_db": 0.0,
        "_global_low": 61.099998474121094,
        "_global_mid": 34.29999923706055,
        "_global_high": 4.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=61% Mid=34% High=4% W=19.6% Crest=13.6",
        "   目标: Low=54% Mid=38% High=8% W=17.9% Crest=13.5",
        "   差值: ΔLow=+7% ΔMid=-4% ΔHigh=-3% ΔW=+1.7% ΔCrest=+0.1",
        "   低频偏多+7%: 去闷=-0.7dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频偏少-3%: 空气感=+0.6dB",
        "   LowMid偏少-14%: 600Hz=+0.4dB",
        "   Mid偏多+11%: 2.5kHz=-0.4dB q=1.0",
        "   宽度接近目标(Δ+1.7%) → Side增益归零",
        "   动态接近目标(Δ+0.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2822.0,
        "onset_density": 4.3,
        "low_energy": 54.0
      },
      "ref": {
        "lufs": -6.5,
        "peak": 2.799999952316284,
        "rms": -10.699999809265137,
        "crest": 13.5,
        "width": 17.899999618530273,
        "low_pct": 54.400001525878906,
        "mid_pct": 37.79999923706055,
        "high_pct": 7.699999809265137,
        "centroid": 957.0,
        "bands": {
          "sub": 0.8999999761581421,
          "bass": 53.599998474121094,
          "low_mid": 31.899999618530273,
          "mid": 5.900000095367432,
          "high_mid": 3.5999999046325684,
          "air": 4.0
        }
      }
    }
  ],
  "time": 47.1
}