测量通过计算机的话筒所采集的声音数据，虚拟示波器的面板能够自动测量输入信号的周期、频率和幅度。

LabVIEW基于声卡的数据采集与分析软件，可实现声卡配置，声音采集，时域参数测量，频谱波形显示等功能-LabVIEW-based data acquisition and analysis of the sound card software, enabling the sound card configuration, sound acquisition, time domain parameters measurements, spectrum waveform display and o