中文说明： 言语已演变为从人类的主要形式。数字技术的出现给了我们高度通用的数字处理器具有高速度、 低成本和 高功率，使研究人员要变换的模拟语音信号数字语音信号，可以科学地进行研究。实现更高的识别精度、 低位字错误率、 可变性来源的问题是主要开发一种高效的自动语音识别系统注意事项。在语音识别、 功能提取 requiresmuch 注意因为这一阶段的识别性能有很大依赖。在这个文章里
English Description：
Speech has evolved as a primary form of communicationbetween humans.The advent of digital technology, gave us highly versatile digital processors with high speed, low cost and high power which enable researchers to transform the analog speech signals in to digital speech signals that can be scientifically studied.Achieving higher recognition accuracy, low word error rate and addressing the issues of sources of variability are the major considerations for developing an efficient Automatic Speech Recognition system.In speech recognition,