语音CVSD算法虽然比较成熟，但是通用的CVSD标准实现的编码程序噪音比较大，这里精选了IEEE的5篇论文据有指导意义。-Voice CVSD algorithm is a relatively mature, but a common standard of achievement of CVSD coding procedures relatively large noise, where a selection of five papers, according to IEEE guiding significance.