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。

能实现1Hz~50MHz间的频率测量，显示信号周期，能实现1Hz~15KHz间的信号波形实时显示，采样速率120KHz。-1Hz ~ 50MHz to achieve inter-frequency measurements show that the signal cycle, to achieve inter-1Hz ~ 15KHz real-time display of signal waveforms, the sampling rate of 120KHz.