又发现音频引擎，下一步要找一个网络引擎就好了，

免费打工仔

http://www.fmod.org/

FMOD is not only the best cross platform audio engine for your needs, but it is the best audio engine available on each platform.

对于免费软件来说是免费的
对于共享 需要100美元
商业用
Examples
1 product, Win32. $2,000.
1 site, WinCE. $1000 * 2.5 = $2,500.
1 product, Win32 and Macintosh. ($2000+$2000) * 0.75 = $3,000.
1 site, Win32 and WinCE. ($2000+1000) * 0.75 * 2.5 = $5,625.
1 product, PS2 and XBox. ($4000+$4000) * 0.75 = $6,000.
1 site, PS2, XBox and Win32. ((($4000+$4000) * 0.75) + $2000) * 2.5 = $20,000.