一个采用多线程处理的录音程序，为初学者学习声卡采集，回放提供好的例子-A multi-threaded processing of recording procedures, sound card for beginners to learn the collection, provide good examples of playback

MFC编程，调用底层声卡技术实现录音和回放功能，采用多线程技术-MFC programming and call the sound recording and playback technology, multi-threading technology