这是七个虚拟声卡的程序。其中带有2D加速的已经应用在某公司的产品上用来获取QQ通话时候的语音数据。这些例子也可以作为WDM声卡驱动的样例。-virtual sound card procedures. Which accelerated with the two D has been applied in a company's products used to obtain QQ voice calls when the data. These examples also as a W