实现对数压缩PCM和线性PCM的信噪比特性曲线的仿真，非均匀量化级数为n=8和n=6。-realization of a number of PCM compressed and linear PCM signal-to-noise ratio of the characteristic curve simulation, non-uniform quantization Series n = 8 and n = 6.

μ律PCM编码，小信号放大，大信号缩小，非均匀量化实现的一种方式，实用。-μ-law PCM coding, small signal amplification, large signal narrow, one way to achieve a non-uniform quantization, and practical.