快速傅里叶变换算法的c语言实现程序，具体描述了fft算法的实现过程-Fast Fourier Transform algorithm c language implementation procedures, specific descr iption of the fft algorithm implementation process

vc6.0环境下编写的基于快速傅里叶变换(FFT)的音频采集和播放代码，采用mfc设计的采集和播放界面，并能实时的看到声音波形。-vc6.0 environment prepared based on fast Fourier transform (FFT) audio capture and playback code, to mfc design capture and playback interface, and real-time to see a sound wave.

实现了在matlab下音频信号的dct(离散余弦)和fft(傅里叶变换)相对matlab工具箱，有快速准确的效果。-Realized the dct (discrete cosine) of the audio signal in matlab fft (Fourier transform) relative matlab toolbox, fast and accurate results.

音频数据的频谱分析.编程对一个wav文件（16位数据，单声道）的数据进行快速傅里叶变换，将变换后的实部和虚部数据输出至文件。-Spectral analysis of the audio data. Programming to a wav file (16 bit data, mono) data for a fast Fu Liye transform, the real and imaginary parts of the transformed data output to file.