实现了pcm调制的全过程的MATLAB仿真，包括调制、A率压缩、量化、解扩、解调、信号恢复。-Modulation achieved pcm MATLAB simulation of the whole process, including the modulation, A rate of compression, quantization, despreading, demodulation and signal recovery.

语音信号的LPC线性预测编码程序，求其基因周期的源程序了，分帧，预处理，LPC算法-LPC Linear Predictive speech signal coding process, seeking the source of its genetic cycle, and sub-frame, pre, LPC algorithm