着麦克风发点声音看看程序源码画面显示出来，本程序源码演示了声音的快速FFTT变换(需要声卡与麦克风)，对分析显示出来其各频率分量的程序源码

-Microphone point sound to look at the program source screen is displayed, the program source code demonstrate the sound of rapid FFTT transform (need a sound card and microphone), the analysis shows that its various frequency components of the program source code