语音编码的原程序,是在国外的网站下来的,没有改动可以直接在软电话下使用!-speech coding the original procedure is outside the site down, no changes may be directly in the use of soft phone!

G.711使用64Kbps的带宽，可将14bits转换成8bits。目前G.711有两个编码方式，A-law以及Mu-law。-G.711 defines two main compression algorithms, the µ -law algorithm (used in North America & Japan) and A-law algorithm (used in Europe and the rest of the world). Both are logarith

ITU-T standard library

ITU最新版本的G.729源码，非常有参考价值。-The latest version of ITU G.729 source code, very useful.