基于 LabVIEW 和声卡的虚拟音频分析仪的设计方法，该方法实现简单、性价比高。 生成的人 机界面交互性好，操作方便，并且可以根据用户的需求进行功能扩充，为低成本下构建虚拟仪器提供了一种思路。-A design of virtual audio analyzer which is based on LabVIEW and the sound card is presented. The method is simple and has high cost performance.

16K sample FFT based spectrum analyzer based on Deeth s original code, with print plot, file saving and loading, multiple sample rates, oscilloscope, average and peak hold, left/right/mono channel selection.