Speaker confirmation method and speaker confirmation device used in short voice condition
A speaker confirmation and speaker technology, applied in the field of speaker confirmation, can solve the problems of system recognition rate decline, system performance decline, users are unwilling to speak for a long time, etc., to achieve the effect of improving recognition performance and reducing space-time complexity
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[0055] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings.
[0056] In the speaker recognition method, after the speech signal is preprocessed, a few seconds of speech will generate a large amount of data. The process of extracting speaker feature parameters is actually the process of removing redundant information in the original speech and reducing the amount of data. Linear Prediction Cepstral Coefficients (LPCC) and Mel Frequency Cepstral Coefficients (MFCC) are the two most commonly used characteristic parameters in speaker identification. The former simulates the vocal tract effect, and the latter simulates the human auditory effect. But these two features only consider the information within the speech frame, but not the information between the speech frames. Because the speech signal is time-sequential, obtaining time-varying information between speech frames can improve the perfor...
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