一个使用Fmod实现3D音效的示例，代码不多，适合新手学习。-Fmod an example of 3D sound, not much code, suitable for novice learning.

封装的一个语音播放类，用的DirectSound，里面带有一个文件，可以测试-Package a voice player classes, use of DirectSound, which comes with a file, you can test