基于windows的DirectX 11 版本sample源码，支持音频采集流的音效处理。-samples on windows 7, for audio effort handle.

DSound是directx中的用来处理声音特性的一部分，播放音频需要准备的工作其实和waveout也是差不多啊。(DSound is part of DirectX used to process voice characteristics. The preparation for playing audio is actually similar to waveout.)