This paper introduces a virtual oscillograph V0.94 for measuring the sound velocity. The result is very precise. It also enriches the classical physics experiment with modern contents.

• 摘要介绍了某于声卡的虚拟示波器V0.；94的硬件准备、电脑声卡设置以及调整和使用方法。利用虚拟示波器测定声速，形象直观，实验结果精确，是经典物理实验现代化的有益尝试。