Speaker recognition is the process of automatically recognizing who is speaking on the basis of individual information included in speech waves. This technique makes it possible to user s voice to verify their identity and control access to services such as voice dialing, banking by telephone, telephone shopping, access services, information services, voice mail, security control for confidential information areas, and remote access to computers- Speaker recognition is the process of automatically recognizing who is speaking on the basis of individual information included in speech waves. This technique makes it possible to user s voice to verify their identity and control access to services such as voice dialing, banking by telephone, telephone shopping,　access services, information services, voice mail, security control for confidential information areas, and remote access to computers