评测JPEG或其他编码器压缩后的图像块效应程度的代码，其标准为流行的GBIM评测标准-Evaluation or other encoder JPEG compressed image block effect of the degree of code, its standard for evaluating GBIM popular standards

【matlab编程代做】4B5B编码器线 可以作为参考使用-[Do] matlab programming generation 4B5B encoder line can be used as references

将输入A律PCM编码器的正弦信号采样,进行PCM编码,求出编码器的输出码组序列,-Will enter A law PCM codec sine signal sampling, PCM coding, the output of the encoder block sequence,