说明：  在语音处理的预处理阶段需要给语音加窗，这两个程序可以很好的加载在语音之上，一个是汉明窗、一个是矩形窗
(In the pre-processing stage of speech processing, we need to add windows to the voice. These two programs can be loaded on the voice very well. One is Hamming window, the other is rectangular window.)