{
  "songs": [
    {
      "input": "/srv/music-files/pipeline-v3/batch-20260328-202331-5d810f/03_Fly Away_20260328/suno_raw_0.mp3",
      "output": "/srv/music-files/pipeline-v3/batch-20260328-202331-5d810f/03_Fly Away_20260328/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -0.800000011920929,
        "rms": -16.200000762939453,
        "crest": 15.5,
        "width": 15.100000381469727,
        "low_pct": 44.400001525878906,
        "mid_pct": 47.20000076293945,
        "high_pct": 8.399999618530273,
        "centroid": 1384.0,
        "bands": {
          "sub": 6.599999904632568,
          "bass": 37.900001525878906,
          "low_mid": 20.5,
          "mid": 26.700000762939453,
          "high_mid": 4.599999904632568,
          "air": 3.700000047683716
        }
      },
      "after": {
        "lufs": -9.3,
        "peak": 0.0,
        "rms": -12.600000381469727,
        "crest": 12.600000381469727,
        "width": 11.600000381469727,
        "low_pct": 39.29999923706055,
        "mid_pct": 51.79999923706055,
        "high_pct": 9.0,
        "centroid": 1490.0,
        "bands": {
          "sub": 6.400000095367432,
          "bass": 32.900001525878906,
          "low_mid": 21.899999618530273,
          "mid": 29.899999618530273,
          "high_mid": 5.099999904632568,
          "air": 3.9000000953674316
        }
      },
      "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": 0.3119999170303345,
        "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": -0.949999988079071,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5249999761581421,
        "tight_hz": 120,
        "tight_db": -0.7849999666213989,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.5379999876022339,
        "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": 0.1380000114440918,
        "side_gain_db": -0.5400000810623169,
        "_global_low": 44.400001525878906,
        "_global_mid": 47.20000076293945,
        "_global_high": 8.399999618530273
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=44% Mid=47% High=8% W=15.1% Crest=15.5",
        "   目标: Low=35% Mid=62% High=3% W=9.7% Crest=13.6",
        "   差值: ΔLow=+10% ΔMid=-15% ΔHigh=+5% ΔW=+5.4% ΔCrest=+1.9",
        "   低频偏多+10%: 去闷=-0.9dB, 低频增强=0.5dB, 收紧=-0.8dB",
        "   高频偏多+5%: 空气感=-0.2dB",
        "   LowMid偏少-5%: 600Hz=+0.1dB",
        "   Mid偏少-10%: 2.5kHz=+0.3dB q=1.0",
        "   Air偏多+3.6%: 空气感再降0.3dB→-0.5dB",
        "   宽度偏宽+5.4%: Side整体=-0.5dB",
        "   动态接近目标(Δ+1.9dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 3009.0,
        "onset_density": 4.0,
        "low_energy": 53.5
      },
      "ref": {
        "lufs": -8.3,
        "peak": 1.399999976158142,
        "rms": -12.199999809265137,
        "crest": 13.600000381469727,
        "width": 9.699999809265137,
        "low_pct": 34.900001525878906,
        "mid_pct": 62.20000076293945,
        "high_pct": 2.9000000953674316,
        "centroid": 1205.0,
        "bands": {
          "sub": 7.300000190734863,
          "bass": 27.600000381469727,
          "low_mid": 25.100000381469727,
          "mid": 37.099998474121094,
          "high_mid": 2.799999952316284,
          "air": 0.10000000149011612
        }
      }
    },
    {
      "input": "/srv/music-files/pipeline-v3/batch-20260328-202331-5d810f/03_Fly Away_20260328/suno_raw_1.mp3",
      "output": "/srv/music-files/pipeline-v3/batch-20260328-202331-5d810f/03_Fly Away_20260328/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.7,
        "peak": 0.4000000059604645,
        "rms": -15.699999809265137,
        "crest": 16.100000381469727,
        "width": 11.300000190734863,
        "low_pct": 42.900001525878906,
        "mid_pct": 50.70000076293945,
        "high_pct": 6.400000095367432,
        "centroid": 1260.0,
        "bands": {
          "sub": 6.0,
          "bass": 36.900001525878906,
          "low_mid": 11.399999618530273,
          "mid": 39.29999923706055,
          "high_mid": 3.700000047683716,
          "air": 2.700000047683716
        }
      },
      "after": {
        "lufs": -8.9,
        "peak": 0.20000000298023224,
        "rms": -12.100000381469727,
        "crest": 12.300000190734863,
        "width": 10.5,
        "low_pct": 37.400001525878906,
        "mid_pct": 55.900001525878906,
        "high_pct": 6.699999809265137,
        "centroid": 1342.0,
        "bands": {
          "sub": 4.800000190734863,
          "bass": 32.599998474121094,
          "low_mid": 13.100000381469727,
          "mid": 42.79999923706055,
          "high_mid": 3.9000000953674316,
          "air": 2.799999952316284
        }
      },
      "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": -0.800000011920929,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6000000238418579,
        "tight_hz": 120,
        "tight_db": -0.7400000095367432,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.257999986410141,
        "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": 0.41100001335144043,
        "side_gain_db": 0.0,
        "_global_low": 42.900001525878906,
        "_global_mid": 50.70000076293945,
        "_global_high": 6.400000095367432
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=43% Mid=51% High=6% W=11.3% Crest=16.1",
        "   目标: Low=35% Mid=62% High=3% W=9.7% Crest=13.6",
        "   差值: ΔLow=+8% ΔMid=-12% ΔHigh=+4% ΔW=+1.6% ΔCrest=+2.5",
        "   低频偏多+8%: 去闷=-0.8dB, 低频增强=0.6dB, 收紧=-0.7dB",
        "   高频偏多+4%: 空气感=-0.0dB",
        "   LowMid偏少-14%: 600Hz=+0.4dB",
        "   Mid接近目标(Δ+2%) → 不调",
        "   Air偏多+2.6%: 空气感再降0.2dB→-0.3dB",
        "   宽度接近目标(Δ+1.6%) → Side增益归零",
        "   动态接近目标(Δ+2.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 3107.0,
        "onset_density": 4.3,
        "low_energy": 61.70000076293945
      },
      "ref": {
        "lufs": -8.3,
        "peak": 1.399999976158142,
        "rms": -12.199999809265137,
        "crest": 13.600000381469727,
        "width": 9.699999809265137,
        "low_pct": 34.900001525878906,
        "mid_pct": 62.20000076293945,
        "high_pct": 2.9000000953674316,
        "centroid": 1205.0,
        "bands": {
          "sub": 7.300000190734863,
          "bass": 27.600000381469727,
          "low_mid": 25.100000381469727,
          "mid": 37.099998474121094,
          "high_mid": 2.799999952316284,
          "air": 0.10000000149011612
        }
      }
    }
  ],
  "time": 25.7
}