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

《通信原理》中卷积码硬判决译码的软件实现，输入卷积码（213卷积码），可译出原码。-" Communication Theory" hard decision decoding convolutional codes in the software, enter the convolutional code can be translated the original code.

convolutional code with hard decision. thank you

convolution code with soft decision