FIR滤波器在音频系统优化中的基本应用

Use of FIR Filters for Audio Practitioners

介绍IIR和FIR两种滤波器及其相位响应,重点分析FIR滤波器的特性、处理延时、窗函数处理,以及FIR滤波器在音频系统优化中的基本应用。

This paper introduces IIR and FIR filters and their phase response. It focuses on the features, processing delay and window function, as well as FIR filter＇s basic application in the optimization of audio system.