Digital string voice processing method and device thereof
A voice processing and digital string technology, applied in voice analysis, instruments, etc., can solve problems such as poor voiceprint recognition effect, insufficient stability and accuracy of digital voiceprint model, etc., to achieve less interference, reduced model parameters, and easy to use strong effect
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[0056] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0057] In the prior art, most of the methods for determining the voiceprint model through a piece of speech are methods based on full variable factor analysis. Specifically, for a piece of speech, first extract features reflecting the voiceprint information, such as the MelFrequency Cepstrum Coefficient (MelFrequency Cepstrum Coefficient) feature. , MFCC), Perceptual Linear Predictive (Perceptual Linear Predictive, PLP), etc., and then use the Baum-Welch algorithm to calculate the po...
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