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Voiceprint authentication processing method and apparatus

A processing method and voiceprint technology, applied in speech analysis, instruments, electrical components, etc., can solve the problem of low accuracy and achieve the effect of improving efficiency and accuracy

Active Publication Date: 2016-04-20
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The current training process of voiceprint recognition is to train and recognize voiceprints through a general-purpose model, and the accuracy is not high

Method used

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  • Voiceprint authentication processing method and apparatus
  • Voiceprint authentication processing method and apparatus
  • Voiceprint authentication processing method and apparatus

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Embodiment Construction

[0022] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application.

[0023] The following describes the voiceprint authentication processing method and device according to the embodiments of the present application with reference to the accompanying drawings.

[0024] figure 1 It is a flow chart of a voiceprint authentication processing method according to an embodiment of the present application.

[0025] Such as figure 1 As shown, the voiceprint authentication processing method includes:

[0026] Step 101, applying the gender-mixed deep neural network DNN voiceprint baseline system to ex...

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Abstract

The invention provides a voiceprint authentication processing method and apparatus. The method comprises steps of extracting the first characteristic vector of each voice in a training set by using a gender-mixing deep neural network (DNN) voiceprint baseline system; training a gender classifier according to the first characteristic vector of each voice and pre-marked gender labels; training DNN models of different genders according to the voice data of different genders in the training set; and training unified background models, characteristic vector extraction model, and probability linear discriminant analysis models of different genders according to the DNN models of different genders and the voice data of different genders in the training set. The method and the apparatus establish a voiceprint authentication processing model capable of distinguishing genders in order to increase voiceprint authentication efficiency and accuracy.

Description

technical field [0001] The present application relates to the technical field of voiceprint authentication, in particular to a voiceprint authentication processing method and device. Background technique [0002] With the continuous advancement of technology, the application fields of voiceprint recognition (Voiceprint Recognition, VPR) technology are becoming more and more extensive. [0003] Voiceprint recognition can confirm whether a certain voice is spoken by a specified person, for example, checking in time and attendance, or the user's voice needs to be confirmed during bank transactions. Before voiceprint recognition, it is necessary to model the speaker's voiceprint, which is the so-called "training" or "learning" process. [0004] The current training process of voiceprint recognition is to train and recognize voiceprints through a general-purpose model, and the accuracy is not high. Contents of the invention [0005] This application aims to solve one of the t...

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Application Information

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IPC IPC(8): G10L17/00G10L17/04G10L15/02G10L15/06H04L29/06
CPCG10L15/02G10L15/063G10L17/00G10L17/04H04L63/0861G10L17/02G10L17/06G10L17/18G10L17/22G10L19/038
Inventor 李超吴本谷朱林
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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