中文说明：包括数据分析、绘图等等,应用小区域方差对比，程序简单，调试通过可以使用，主要为数据分析和统计，使用起来非常方便，语音信号的采集与处理，数字信号处理课设。
English Description：
Including data analysis, drawing, application of small regional variance contrast, the program is simple, through the debugger can be used, mainly for data analysis and statistics, use very convenient, speech signal acquisition and processing, digital signal treatment course.