The software implements a butterworth filter using VI, which takes input from the laptop mic, filters it using a butterworth filter and simultaneously outputs it to the speakers.

基于VHDL的IIR滤波器设计 用并行处理有耗积分器III的形式设计的二阶IIR巴特沃斯低通数字滤波器 -VHDL-based IIR filter design with parallel processing of lossy integrator III design in the form of second-order IIR Butterworth low-pass digital filter

　采用双线性变换法设计一巴特沃斯高通滤波器，其通带截止频率（-3dB点处） =3KHz，阻带上限截止频率 =2KHz，能带衰减不大于3dB,阻带衰减不小于14dB，采样频率 =10KHz。-Bilinear transform design a Butterworth high-pass filter, the passband cut-off frequency (-3dB point) = 3KHz stopband upper cut-off frequency = 2KHz band a

详细阐述了波特沃斯低通滤波器的matlab仿真原理及对应的c语言实现过程，读完此资料后，对于巴特沃斯低通滤波器不管从c语言实现还是matlab实现，你都会有很好的理解-Matlab simulation principles elaborated Porter Worth low-pass filter and the corresponding c language implementation process, after reading this information, for Butt

推出巴特沃斯低通滤波器1的姊妹篇2.本文详细阐述了巴特沃斯低通滤波器的实现原理，并给出了c语言完整的实现代码-Butterworth low-pass filter introduced a companion 2. This paper describes the realization of the principle Butterworth low-pass filter, and gives the complete implementation of the c language co