本文简单介绍了声卡的工作原理,录音的原理以及数字音频的基本知识并且利用Windows提供的Waveform Aduio APIs以及Multimedia File I/O APIs实现一个Windows环境下的麦克风录音以及将录音文件保存成.wav文件的简单系统。-This article explains the sound card works, the principle of recording and digital audio to provide basic knowledge and use of the Waveform Aduio APIs Windows and Multimedia File I/O APIs to implement a Windows environment, the microphone recording and save the file into the recording. Wav file simple system.