这是一个文件怎样读取的，简单易学！希望它能帮助你学习-this is about read and write of files,and it is easy understand,so i wish it will help you

DSPLab is a library of delphi components for digital signal processing. The library contains two components: IIR Filter and FFT. IIR Filter is Butterworth, Bessel and Chebyshev infinite-impulse-response (IIR) filters, with lowpass, highpass, bandpass