| 摘要 |
<p>PROBLEM TO BE SOLVED: To increase the authentication speed and authentication rate of a registration type voice authentication system by classifying a voice by its feature when the voice is registered and retrieving approximate data from data in the closest classification group according to the feature of the voice when authentication is performed. SOLUTION: The system in which an examinee registers a voice and authenticates a speaker has a means which extracts individual differences of an input voice and classifies the voice by the feature when the voice is registered, a means which registers (stores) data by classifications, a means which extracts the feature of a voice when voice authentication is performed as well as the registration, a means which authenticates which classification frame of a voice database matches the input voice for authentication according to the feature of the voice, a means which retrieves approximate data from an estimated classification frame, a means which finds an authentication result, a means which makes the examinee confirm the authentication result, and a means which performs re-retrieval by judging whether the authentication result is correct or incorrect.</p> |
