数字信号处理中音频信号的分析与合成，滤波器设计，-Digital Signal Processing

一个信号处理的matlab程序，含GUI界面，包含信号处理基本内容，频域分析、滤波等，可以处理矩形波、三角波、音频等信号-A signal processing matlab program, including GUI interface, including the basic content of signal processing, frequency domain analysis, filtering, etc., can handle rectangular wave, trian