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Authentication method and device based on voice

An authentication method and voice technology, applied in voice analysis, voice recognition, instruments, etc., can solve problems such as increasing implementation costs, and achieve the effect of solving potential safety hazards and avoiding recording fraud

Inactive Publication Date: 2012-10-17
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it is a system based on features such as fingerprints, palmprints, and iris, it also requires a special acquisition device, which further increases the implementation cost and is difficult to be practically applied on mobile devices such as mobile phones and tablets.

Method used

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  • Authentication method and device based on voice
  • Authentication method and device based on voice
  • Authentication method and device based on voice

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Embodiment Construction

[0056] The production of human language is a complex physiological and physical process between the language center of the human body and the vocal organs. The vocal organs used by people when speaking, such as tongue, teeth, larynx, lungs, and nasal cavities, vary greatly from person to person in terms of size and shape. So there are differences in the voiceprints of any two people. Therefore, in general, people can still distinguish the voices of different people or judge whether they are the voices of the same person.

[0057] The specific application of voiceprint is divided into two categories: one is voiceprint recognition, that is, speaker identification (Speaker Identification); the other is voiceprint authentication, that is, speaker verification (Speaker Verification). The former is used to judge which of several people said a certain speech, which is a "multiple choice" problem; while the latter is used to confirm whether a certain speech is spoken by a specified pe...

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Abstract

The invention discloses an authentication method and device based on a voice. The authentication method based on a voice comprises the following steps: generating text authentication information; displaying the text authentication information to a user to be authenticated and prompting the user to make a response; and receiving response voice information of the user, performing voiceprint authentication and voice identification on the voice information, and judging whether the user passes the authentication according to an identification result. According to the technical scheme provided by the embodiment of the invention, a voiceprint authentication technology is combined with the voice identification technology; therefore, the identity of the user can be determined through voiceprint authentication, and the user can make a response to the instantly generated authentication information; whether the content of the response voice information of the user conforms to the generated authentication content is judged through voice identification, so that record cheating can be effectively avoided; and the potential safety hazard of the conventional single voiceprint identification technology is avoided.

Description

technical field [0001] The invention relates to the field of computer application technology, in particular to a voice-based authentication method and device. Background technique [0002] In the information age, how to accurately identify a person's identity and protect information security has become a widely concerned issue. The traditional identity authentication method has been difficult to meet the demand because it is very easy to forge and lose. The most convenient and safe solution is undoubtedly the biometric identification technology. Biometric Identification Technology (Biometric Identification Technology) refers to a technology that uses human biometrics for identity authentication. It closely combines computer with high-tech means such as optics, acoustics, biosensors and biostatistics principles, and uses the inherent physiological and behavioral characteristics of the human body to identify personal identities. [0003] At present, widely used biometric fea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L17/00G10L15/26
Inventor 马旭唐虹刚
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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