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Training method and device of voiceprint model, storage medium and electronic equipment

A training method and model technology, applied in speech analysis, speech recognition, instruments, etc., can solve the problem of low voiceprint wake-up accuracy and achieve the effect of improving accuracy

Active Publication Date: 2019-09-20
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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AI Technical Summary

Problems solved by technology

[0003] The voiceprint model training method, device, storage medium and terminal provided in the embodiment of the present application can solve the problem of low accuracy of voiceprint wake-up by users of different age groups

Method used

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  • Training method and device of voiceprint model, storage medium and electronic equipment
  • Training method and device of voiceprint model, storage medium and electronic equipment
  • Training method and device of voiceprint model, storage medium and electronic equipment

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Embodiment Construction

[0028] In order to make the purpose, technical solution and advantages of the present application clearer, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0029] First, some nouns involved in the embodiments of this application are explained:

[0030] Gaussian mixture model (GMM), used for Gaussian probability density function (normal distribution curve) to accurately quantify things, is a model that decomposes things into several Gaussian probability density functions.

[0031] Unit vector (identityvector): A more compact vector extracted from the GMM mean supervector.

[0032] Support vector machine (support vector machine): A class of generalized linear classifiers that perform binary classification on data in a supervised learning manner, and its decision boundary is the maximum margin hyperplane that is solved for the learning samples.

[0033] Age estimation model: used to estimate the...

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Abstract

The embodiments of the invention disclose a training method and device of a voiceprint model, a storage medium and electronic equipment, and belong to the technical field of computers. The method includes the following steps that an age estimation result is obtained from age estimation of user voice data, according to a voiceprint general model corresponding to the age estimation result, the model is trained to obtain a voiceprint personal model of a user, and voiceprint wake-up is realized by using different voiceprint personal models for users of different ages. According to the training method of the voiceprint model, the obtained voiceprint personal model is related to the user age, and according to the voiceprint personal model for voiceprint wake-up, wake-up accuracy can be improved.

Description

technical field [0001] The present application relates to the field of speech processing, in particular to a training method, device, storage medium and electronic equipment for a voiceprint model. Background technique [0002] Voiceprint recognition is an identification technology that identifies the user's identity based on the user's biological characteristics based on the voice. Compared with traditional identification technology, voiceprint recognition has the advantages of simple extraction process and low cost, and is widely used in various occasions that require security protection, such as banks, securities, insurance and other financial institutions. Because speech is a very random process, various internal or external factors have a great influence on pronunciation, so the acoustic characteristics of the speech data sent by the user will change, and the existing wake-up methods cannot adapt to the changes, resulting in accurate wake-up. low rate problem. Conten...

Claims

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Application Information

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IPC IPC(8): G10L17/04G10L17/00G10L15/26G10L25/48
CPCG10L17/04G10L15/26G10L25/48G10L17/00
Inventor 陈岩
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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