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如何避免生成音频出现杂音或断音的技术缺陷?

2025-08-26 1.2 K

消除生成音频技术问题的专业方案

针对常见的音频瑕疵问题,建议采取以下质量控制措施:

  • 1. parameter tuning:将cfg_scale值从默认7调整到9-10范围,可显著减少背景噪声(但可能降低创造性)
  • 2. 后处理方法:使用conda安装的ffmpeg进行降噪处理:
    ffmpeg -i input.wav -af “highpass=f=200, lowpass=f=3000” cleaned.wav
  • 3. Data preprocessing:确保输入文本描述包含明确的音质要求,如”清澈无杂音的钢琴独奏”
  • 4. Model Tuning:利用V2M-caps数据集对特定音效类型进行finetune

质量检测标准:用音频分析软件检查频谱图,正常情况应在20Hz-20KHz间呈现连续分布,无突然的断点或异常峰值。

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