Digital Speech Watermarking for Authenticity of Speaker in Speaker Recognition System

Speaker recognition is a process of speaker identification and speaker verification refers to specific tasks. Where security is a main concern, speaker Recognition technique is one of the most helpful recognition techniques in today world. It is very important to identify correct person and efficiently work without fail of Recognition system. There are some possibilities of direct attack and indirect attack in speaker recognition system by an unauthorized person. An Unauthorized person can attack in the speaker recognition system for retrieve the system. To prevent this kind attack there is need of a new level of security, for that new scheme of watermark technology is proposed here. The watermark is used for the authenticity of claiming speaker. Watermark technology is not effect on the quality of claimed speaker speech signal. Here watermarking technology is 100% efficient to identify the attack and authenticity detection of Speaker.