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Speaker recognizing method, speaker recognizing apparatus, recording medium recording speaker recognizing program, database making method, database making apparatus, and recording medium recording database making program
Speaker recognizing method, speaker recognizing apparatus, recording medium recording speaker recognizing program, database making method, database making apparatus, and recording medium recording database making program
A speaker recognizing method includes acquiring subject identification information that is identification information of an authentic person who the subject speaker claims to be, calculating a first feature value representing a feature value of the subject voice signal, selecting a group including pieces of the voice information associated with the subject identification information, from the first database, calculating degrees of similarity between the pieces of the voice information included in the selected group and the first feature value and a subject degree of similarity representing a degree of similarity between the voice information associated with the subject identification information, the voice information being stored in the second database, and the first feature value, calculating a rank of the subject degree of similarity in the calculated degrees of similarity, and when the rank is smaller than a given first rank, determining the subject speaker to be the authentic person.
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