SPEAKER RECOGNIZING METHOD, DEVICE USING THE METHOD AND PROGRAM RECORDING MEDIUM THEREFOR

摘要

PROBLEM TO BE SOLVED: To eliminate the use of a recorded voice as a target to be recognized and improve the reliability of individual authentication. SOLUTION: A test to be sounded is designated to a user, the characteristic parameter sequence showing the individuality of a speaker is extracted from the voice signal sounded by the user, and the designated text is imparted to a model accumulation part 6. The similarity of the characteristic parameter sequence to a model corresponding to the sounding of the designated text by the very person is calculated from the voice model modeled by the characteristic parameter sequence preliminarily registered every speaker, the similarity is compared with a threshold, and the speaker corresponding to the voice model of the threshold or more is recognized as the sounding person of the inputted voice.