一个简单的MP3的程序实例，可以完成简单的相关功能，对学习这有一定的帮助。-A simple program example MP3, you can complete the simple correlation function, to learn that there is some help.

语音信号的短时分析，主要包括：分帧、短时能量、短时平均幅度、短时过零率、短时自相关函数、短时幅度差、倒谱、复倒谱、lpc系数、lpc谱估计等-Short-time speech signal analysis, mainly including: sub-frame, short-time energy, short-term average, short-time zero-crossing rate, short-time auto-correlation function, short-t