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

Moving object detection by frame difference method是当前视频图像领域进行动目标捕捉的最简单有效的方法，核心思想是从视频中提取每一帧，并与下一帧做相关检测，通过相关系数提取运动的目标。-Moving target detection and frame difference method is the current video image field is moving the most simple and effective method t