本文设计了基于USB 端口的多路语音信号实时采集系统。在详细分析其硬件电路的功用与组成的基础上,给出了软件的流程图及部

分关键程序代码。通过在实验室环境下的系统测试可以得出,该系统具有采集速度快、支持热插拔、多路同时采集与存储、实时显示等优点,可作为对输入信号要求较高的语音信号处理系统输入端-In order to get high quality multi_channel speech data ,the USB based speech acquisition system with multi input is designed. The component s and functions of hardware are analyzed ,and the flow chart and some key program codes are given. This system has the advantages of fast data acquiring speed and hot2plugging. And it can be employed for real time data collection of multi2channel speech.