EVC平台下的录音程序。配置好麦克，即可进行录音。程序运行过程中会弹出多个对话框，用于说明程序的运行情况。-EVC platform recording procedures. Mack good configuration can be tape recorded. Procedures, there would be a number of pop-up dialog box, used to illustrate the operation of the procedures.

语音增强算法，采用谱减法完成程序，单麦克降噪-Speech Enhancement（spectral_subtractive）