运用自相关方法，估计语音信号的声道参数，绘出随预测增加时语音信号的LPC谱包络曲线，并与FFT谱比较。-Using autocorrelation method to estimate the channel parameters of speech signals, when plotted with the predicted increase in LPC speech signal spectral envelope curve, and compared with the FFT sp

基于matlab平台的lpc谱提取代码，对语音信号处理有重大作用-Based the matlab platform lpc spectrum extract the code, have a significant role in the speech signal processing

matlab声学特性处理；绘制元音立体图；计算LPC谱；提取共振峰。-matlab acoustic characteristics of treatment draw vowel perspective view calculated LPC spectrum extract formant.