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

Fast Data Collection in Tree-Based Wireless Sensor Networks: how fast can information be collected from a wireless sensor network organized as tree? To address this, we explore and evaluate a number of different techniques using realistic simulat