说明：  Electronic industry now growing towards the automation of everything, It includes development of Touch screen Interface Voice Recognition etc. These are leads to a world in which almost all electronic systems are capable of working in response with human emotions and gestures. One major aspect to this growth is the detection or identification of human voice so that the system can response based on voice inputs. The application of such system involves in most of the day to day electronic devices as well as industry and computer. Voice recognition is the process of automatically recognizing what is speaking on the basis of individual information included in speech waves. This technique makes it possible to use the speaker‟ s voice control various operations.