The installation of the double sound cards and processing proposal of software are maninly discussed and a new kind of ADC method of dual-channel sound signal is put forward in this paper.

• 该系统采用双声卡输入及软件滤波,重点讨论了双声卡的安装及喉音信号的软件处理方案,提供了一种新型的双通道声音信号的A/转换方法。