这是本人做的一个，基于VB的一个音频文件FFT计算与频谱显示的软件。包括源代码，是个不错的源代码。,This is one I do, based on the VB of an audio file FFT calculation and spectrum display software. Including source code, is a good source code.

快速傅里叶变换fft 和反变换 ifft 的源代码，c++编写，质量可靠，书上源代码！-the fft and ifft source code, c++ writing, reliable quality, the source code in the book!