男女变声器，语言信号处理，录音，matlab，各种滤波器，有预处理，自定义时长录音并保存，自主选择文件，自主制作界面(Male and female voice changer, speech signal processing, audio, MATLAB, various filters, pretreatment, long recording and save custom, choose file, independent production interface)

打开音频文件实现变声器，原声变女声、老人声、童声还有语速的变快变慢(Voice Changer, change the video file into women's , old men's and children's, and also change the speed of video)