For acoustic positioning, computer sound card and ECM electret condenser microphone are adopted for acoustic signal receiving, and DirectSound is used for relevant analysis of the two signals and positioning their sources.

• 声音定位方面,采用计算机声卡和驻极体话筒进行声音信号的采集,并且依靠DirectSound控件,对两路声音信号进行相关分析,最终确定声源的方向。