这个labview程序是基于声卡的多功能信号发生器，转载的，非常不错，分享一下-This procedure is based on labview multi-purpose sound card signal generator, reprint, very good, to share

多功能函数信号发生器（声音输出，信号保存）-Multi-function signal generator (sound output signal preservation)

The project is conducted in the assembly of an RC low-pass filter on a board and breadboard implementation of a program in LabView it possible to obtain filter characteristics. To this end, it is necessary GPIB control through the function generato