linux、QT，声卡采集并进行FFT变换的编程-linux, QT, the sound card gathers and carries on the FFT transformation the programming

基于linux系统上的QT开发的ATM模拟程序，有ATm界面窗口，实现了现在ATM基本的功能。-Based on the Linux system QT development of the ATM simulation program, ATm interface window, to achieve the basic functions of the ATM.