一种压缩编码，其实，我只是见过，在国外网站上下载的不知道是否可以满足你的要求-A compression coding, in fact, I just seen abroad download on the website do not know whether you meet the requirements of

speex源代码，一种常用的流媒体编码格式，可用于一般的voip-speex source code, a popular streaming media encoding format, which can be used for general voip