{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/02_I Just Might_20260512/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/02_I Just Might_20260512/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.7,
        "peak": -1.600000023841858,
        "rms": -15.699999809265137,
        "crest": 14.100000381469727,
        "width": 5.699999809265137,
        "low_pct": 59.29999923706055,
        "mid_pct": 33.099998474121094,
        "high_pct": 7.599999904632568,
        "centroid": 1044.0,
        "bands": {
          "sub": 23.299999237060547,
          "bass": 36.0,
          "low_mid": 22.100000381469727,
          "mid": 11.0,
          "high_mid": 4.300000190734863,
          "air": 3.299999952316284
        }
      },
      "after": {
        "lufs": -11.1,
        "peak": 0.0,
        "rms": -13.399999618530273,
        "crest": 13.399999618530273,
        "width": 5.599999904632568,
        "low_pct": 54.79999923706055,
        "mid_pct": 36.900001525878906,
        "high_pct": 8.199999809265137,
        "centroid": 1134.0,
        "bands": {
          "sub": 21.0,
          "bass": 33.79999923706055,
          "low_mid": 24.299999237060547,
          "mid": 12.600000381469727,
          "high_mid": 4.699999809265137,
          "air": 3.5
        }
      },
      "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": 0.27300000190734863,
        "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": -1.2799999713897705,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.36000001430511475,
        "tight_hz": 120,
        "tight_db": -0.8839999437332153,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.43599992990493774,
        "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": 0.2669999897480011,
        "side_gain_db": 0.0,
        "_global_low": 59.29999923706055,
        "_global_mid": 33.099998474121094,
        "_global_high": 7.599999904632568
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=59% Mid=33% High=8% W=5.7% Crest=14.1",
        "   目标: Low=46% Mid=51% High=2% W=6.6% Crest=13.4",
        "   差值: ΔLow=+13% ΔMid=-18% ΔHigh=+5% ΔW=-0.9% ΔCrest=+0.7",
        "   低频偏多+13%: 去闷=-1.3dB, 低频增强=0.4dB, 收紧=-0.9dB",
        "   高频偏多+5%: 空气感=-0.2dB",
        "   LowMid偏少-9%: 600Hz=+0.3dB",
        "   Mid偏少-9%: 2.5kHz=+0.3dB q=1.0",
        "   Air偏多+2.7%: 空气感再降0.2dB→-0.4dB",
        "   宽度接近目标(Δ-0.9%) → Side增益归零",
        "   动态接近目标(Δ+0.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "high",
        "source": "audio",
        "bpm": 112.3,
        "centroid": 3290.0,
        "onset_density": 5.3,
        "low_energy": 67.30000305175781
      },
      "ref": {
        "lufs": -10.0,
        "peak": 0.8999999761581421,
        "rms": -12.5,
        "crest": 13.399999618530273,
        "width": 6.599999904632568,
        "low_pct": 46.5,
        "mid_pct": 51.099998474121094,
        "high_pct": 2.4000000953674316,
        "centroid": 731.0,
        "bands": {
          "sub": 8.100000381469727,
          "bass": 38.400001525878906,
          "low_mid": 31.0,
          "mid": 20.100000381469727,
          "high_mid": 1.7999999523162842,
          "air": 0.6000000238418579
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/02_I Just Might_20260512/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260512-163153-86c558/02_I Just Might_20260512/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.4,
        "peak": -0.8999999761581421,
        "rms": -15.399999618530273,
        "crest": 14.5,
        "width": 5.199999809265137,
        "low_pct": 56.5,
        "mid_pct": 40.0,
        "high_pct": 3.5,
        "centroid": 763.0,
        "bands": {
          "sub": 14.600000381469727,
          "bass": 41.900001525878906,
          "low_mid": 27.399999618530273,
          "mid": 12.600000381469727,
          "high_mid": 2.200000047683716,
          "air": 1.2000000476837158
        }
      },
      "after": {
        "lufs": -11.0,
        "peak": 0.0,
        "rms": -13.199999809265137,
        "crest": 13.199999809265137,
        "width": 4.800000190734863,
        "low_pct": 50.70000076293945,
        "mid_pct": 45.29999923706055,
        "high_pct": 4.0,
        "centroid": 869.0,
        "bands": {
          "sub": 12.899999618530273,
          "bass": 37.79999923706055,
          "low_mid": 30.399999618530273,
          "mid": 14.899999618530273,
          "high_mid": 2.5999999046325684,
          "air": 1.399999976158142
        }
      },
      "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": 0.22499999403953552,
        "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": -1.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.5,
        "tight_hz": 120,
        "tight_db": -0.7999999523162842,
        "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": 0.1080000102519989,
        "side_gain_db": 0.0,
        "_global_low": 56.5,
        "_global_mid": 40.0,
        "_global_high": 3.5
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=56% Mid=40% High=4% W=5.2% Crest=14.5",
        "   目标: Low=46% Mid=51% High=2% W=6.6% Crest=13.4",
        "   差值: ΔLow=+10% ΔMid=-11% ΔHigh=+1% ΔW=-1.4% ΔCrest=+1.1",
        "   低频偏多+10%: 去闷=-1.0dB, 低频增强=0.5dB, 收紧=-0.8dB",
        "   高频接近目标(Δ+1%) → 微量空气感+0.3dB",
        "   LowMid偏少-4%: 600Hz=+0.1dB",
        "   Mid偏少-8%: 2.5kHz=+0.2dB q=1.0",
        "   宽度接近目标(Δ-1.4%) → Side增益归零",
        "   动态接近目标(Δ+1.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 107.7,
        "centroid": 3299.0,
        "onset_density": 4.7,
        "low_energy": 61.70000076293945
      },
      "ref": {
        "lufs": -10.0,
        "peak": 0.8999999761581421,
        "rms": -12.5,
        "crest": 13.399999618530273,
        "width": 6.599999904632568,
        "low_pct": 46.5,
        "mid_pct": 51.099998474121094,
        "high_pct": 2.4000000953674316,
        "centroid": 731.0,
        "bands": {
          "sub": 8.100000381469727,
          "bass": 38.400001525878906,
          "low_mid": 31.0,
          "mid": 20.100000381469727,
          "high_mid": 1.7999999523162842,
          "air": 0.6000000238418579
        }
      }
    }
  ],
  "time": 51.2
}