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In computer science, speaker identification (see also speaker verification and speaker recognition) is the problem of identifying a person solely by their voice. It can be used for purposes such as police investigations and intelligence and security applications that use a voice print to replace typed passwords and PIN numbers. Speaker identification problems generally fall into two categories: The first is important for speech recognition software and the second for the purpose of biometrics, however recent evidence from linguistics has raised doubts about the security of using speaker identification as a means of user authentication. Speaker identification is based on complex voice processing algorithms. For more information see speaker recognition.
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