调试环境以及需要安装的软件和硬件

本程序在Windows XP、Visual C++6.0版本环境下编译通过。需要rtcdll.dll文件（此文件一般在Windows安装目录下的system32文件夹中）。

另外，MMSYSTEM.H头文件一般在“C:\Program Files\Microsoft Visual Studio\VC98 \Include”目录下（请读者按照自己安装VC++的目录查找）。如果不是完全安装VC++，可能没有这个文件，可在本章源代码光盘中找到该文件。

运行程序需要摄像头和麦克风等设备。-Debugging environment and the need to install the software and hardware of this procedure in Windows XP, Visual C++ 6.0 version of the compiler through the environment. Need Rtcdll.dll file (this file is normally installed in the Windows directory under the system32 folder). In addition, MMSYSTEM.H header file is normally　C: Program FilesMicrosoft Visual StudioVC98 Include　directory (please readers installed according to its own VC++ Directory to find). If it is not completely installed VC++, May not have this document, the source code in this chapter can be found in the paper disc. Need to run the program, such as camera and microphone equipment.