Abstract
The present invention provides a method and apparatus for enrollment and evaluation of speaker authentication. The method for enrollment of speaker authentication, comprising: generating a plurality of acoustic feature vector sequences respectively based on a plurality of utterances of the same content spoken by a speaker; generating a reference template from said plurality of acoustic feature vector sequences; generating a corresponding pseudo-impostor feature vector sequence for each of said plurality of acoustic feature vector sequences based on a code book that includes a plurality of codes and their corresponding feature vectors; and selecting an optimal acoustic feature subset based on said plurality of acoustic feature vector sequences, said reference template and said plurality of pseudo-impostor feature vector sequences.
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