这是一个用C语言写的FFT变换，可用于语音或图像数据的处理。-This is a C language with the FFT transform, can be used for voice or image data processing.

经典算法的C语言的经典实现，图形图像处理的常规算法这里都有了。-Classical algorithms to achieve the classic C language, graphics, image processing, where all of the conventional algorithms.