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Individual Biometrics - SPEAKER RECOGNITION Basics: Basics Text that just goes on and on and on and on and on and on and on and on and on and on and on and on and on and on and on...     How it Works User speaks into microphone his password or access phrase. Verification time is approximately 5 seconds. To prevent recorded voice use, most devices require the high and low frequencies of the sound to match, which is difficult for many recording instruments to recreate well. Also, some devices generate random number sequences for each verification.     History: History Text     Use: Use Text     Evaluation: Evaluation Text     Standards: Standards Text     More Info: The International Biometrics Group page on Speaker Recognition E-Court Conference 2002