这个程序开发于C#环境中，它使用了FFT，实现话音波形的时域和频域的实时显示。C#实现FFT的代码并不是很多，所以，还是非常难得的-This procedure was developed in C# Environment, it uses the FFT, realize voice waveform time and frequency domain of real-time display. C# Realize FFT code is not a lot, therefore, sti