{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/04_Silent Warmth Before the First Day_20260527/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/04_Silent Warmth Before the First Day_20260527/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.2,
        "peak": -0.5,
        "rms": -14.699999809265137,
        "crest": 14.300000190734863,
        "width": 5.0,
        "low_pct": 83.19999694824219,
        "mid_pct": 16.799999237060547,
        "high_pct": 0.0,
        "centroid": 193.0,
        "bands": {
          "sub": 5.0,
          "bass": 78.19999694824219,
          "low_mid": 15.899999618530273,
          "mid": 0.8999999761581421,
          "high_mid": 0.0,
          "air": 0.0
        }
      },
      "after": {
        "lufs": -11.8,
        "peak": 0.10000000149011612,
        "rms": -13.199999809265137,
        "crest": 13.300000190734863,
        "width": 5.0,
        "low_pct": 79.0999984741211,
        "mid_pct": 20.899999618530273,
        "high_pct": 0.0,
        "centroid": 207.0,
        "bands": {
          "sub": 6.199999809265137,
          "bass": 72.9000015258789,
          "low_mid": 19.899999618530273,
          "mid": 1.0,
          "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": 0.3,
        "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": -1.5,
        "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": 0.3,
        "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": -0.17999999225139618,
        "side_gain_db": -0.24000000953674316,
        "_global_low": 83.19999694824219,
        "_global_mid": 16.799999237060547,
        "_global_high": 0.0
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=83% Mid=17% High=0% W=5.0% Crest=14.3",
        "   目标: Low=87% Mid=13% High=0% W=2.6% Crest=13.9",
        "   差值: ΔLow=-4% ΔMid=+4% ΔHigh=-0% ΔW=+2.4% ΔCrest=+0.4",
        "   低频接近目标(Δ-4%) → 微调模式",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏多+6%: 600Hz=-0.2dB",
        "   Mid接近目标(Δ-2%) → 不调",
        "   宽度偏宽+2.4%: Side整体=-0.2dB",
        "   动态接近目标(Δ+0.4dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rnb",
        "confidence": "medium",
        "source": "audio",
        "bpm": 89.1,
        "centroid": 555.0,
        "onset_density": 4.2,
        "low_energy": 84.5
      },
      "ref": {
        "lufs": -12.9,
        "peak": -0.6000000238418579,
        "rms": -14.5,
        "crest": 13.899999618530273,
        "width": 2.5999999046325684,
        "low_pct": 87.0,
        "mid_pct": 12.899999618530273,
        "high_pct": 0.10000000149011612,
        "centroid": 201.0,
        "bands": {
          "sub": 23.399999618530273,
          "bass": 63.599998474121094,
          "low_mid": 9.899999618530273,
          "mid": 3.0,
          "high_mid": 0.10000000149011612,
          "air": 0.0
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/04_Silent Warmth Before the First Day_20260527/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260527-151001-6db646/04_Silent Warmth Before the First Day_20260527/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.1,
        "peak": -0.5,
        "rms": -14.699999809265137,
        "crest": 14.100000381469727,
        "width": 8.5,
        "low_pct": 80.5,
        "mid_pct": 19.399999618530273,
        "high_pct": 0.20000000298023224,
        "centroid": 235.0,
        "bands": {
          "sub": 14.800000190734863,
          "bass": 65.5999984741211,
          "low_mid": 17.100000381469727,
          "mid": 2.200000047683716,
          "high_mid": 0.10000000149011612,
          "air": 0.0
        }
      },
      "after": {
        "lufs": -11.3,
        "peak": 0.0,
        "rms": -12.800000190734863,
        "crest": 12.800000190734863,
        "width": 7.400000095367432,
        "low_pct": 79.0,
        "mid_pct": 20.799999237060547,
        "high_pct": 0.20000000298023224,
        "centroid": 234.0,
        "bands": {
          "sub": 16.0,
          "bass": 63.0,
          "low_mid": 18.899999618530273,
          "mid": 1.899999976158142,
          "high_mid": 0.10000000149011612,
          "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": 0.4300000071525574,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.4300000071525574,
        "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": -1.5,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": 0.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 1.2,
        "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": -0.2160000205039978,
        "side_gain_db": -0.5900000333786011,
        "_global_low": 80.5,
        "_global_mid": 19.399999618530273,
        "_global_high": 0.20000000298023224
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=80% Mid=19% High=0% W=8.5% Crest=14.1",
        "   目标: Low=87% Mid=13% High=0% W=2.6% Crest=13.9",
        "   差值: ΔLow=-6% ΔMid=+6% ΔHigh=+0% ΔW=+5.9% ΔCrest=+0.2",
        "   低频偏少-6%: 去闷=0, 低频增强=1.5dB, Mid低频=0.4dB",
        "   ⚠️  低频绝对值80% > 70%，sub boost 上限钳至 1.2dB（原1.5dB）",
        "   高频接近目标(Δ+0%) → 微量空气感+0.3dB",
        "   LowMid偏多+7%: 600Hz=-0.2dB",
        "   Mid接近目标(Δ-1%) → 不调",
        "   宽度偏宽+5.9%: Side整体=-0.6dB",
        "   动态接近目标(Δ+0.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rnb",
        "confidence": "medium",
        "source": "audio",
        "bpm": 89.1,
        "centroid": 726.0,
        "onset_density": 4.5,
        "low_energy": 81.0
      },
      "ref": {
        "lufs": -12.9,
        "peak": -0.6000000238418579,
        "rms": -14.5,
        "crest": 13.899999618530273,
        "width": 2.5999999046325684,
        "low_pct": 87.0,
        "mid_pct": 12.899999618530273,
        "high_pct": 0.10000000149011612,
        "centroid": 201.0,
        "bands": {
          "sub": 23.399999618530273,
          "bass": 63.599998474121094,
          "low_mid": 9.899999618530273,
          "mid": 3.0,
          "high_mid": 0.10000000149011612,
          "air": 0.0
        }
      }
    }
  ],
  "time": 22.6
}