frequency filter編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看frequency filterfrequency filter — 名詞名詞1. a device or process that removes certain frequencies from a signal1.名詞釋義頻率濾波器a device or process that removes certain frequencies from a signal例句The audio engineer used a frequency filter to reduce background noise.