基于labwindows平台开发的音频信号采集、分析系统，用计算机的声卡做信号采集，c语言编程，比较完整的用户界面，采用快速傅里叶变换处理数据。-Based on labwindows platform development of audio signal acquisition and analysis system, using computer sound card to do signal acquisition, c language programming, relatively complete user interface, data processed by fast Fourier transform.