本源代码包含了各种声音，如G711,G723,G726,PCM，AAC，MP2等的编码和解码的过程，是学习各种声音编码的好资料。-Source code contains a variety of sounds, such as G711, G723, G726, PCM, AAC, MP2, etc. encoding and decoding process, are studying a variety of voice coding good information.