语音信号的矢量量化，其中vector_quantization.m为读取音频文件，转换成语音帧，求lpc及lsf参数以及进行矢量量化的主程序，a_lsf_conversion.m为主程序调用的lpc转lsf参数的子程序，INLS1.wav为音频文件。-Vector quantization of speech signals, wherein vector_quantization.m to read audio file, converted into speech frames, seeki

针对语音信号的能量，实现三维矢量量化，量化失真小。-Energy for the speech signal to achieve a three-dimensional vector quantization, a quantization distortion.