Method and system for identifying faked identity by preventing faked recordings based on voiceprint and voice

A technology of counterfeit identity and identification method, which is applied in the field of computer and information services, can solve the problems of poor user experience, affecting the performance of voiceprint recognition and speech recognition, and poor recognition performance, so as to prevent the intrusion and identity of fake recordings Verify the effect of stable and reliable threshold adjustment
CN102708867AInactive Publication Date: 2012-10-03BEIJING ZHENGYING TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIJING ZHENGYING TECH
Publication Date
2012-10-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method and a system for identifying a faked identity by preventing faked recordings based on voiceprint and voice. The method comprises the following steps: building a voiceprint model and a voice model for a user according to a voice read by the user of a fixed text with a user ID, and storing the fixed text with the user ID as well as the voiceprint model and the voice model; generating an alerting text; acquiring the voice of a to-be-identified person when the to-be-identified person reads the alerting text; identifying the acquired voice of the to-be-identified person and the stored the voiceprint model of the user, and identifying the voice of the to-be-identified person according to the stored voice model, if both the voiceprint identification and the voice identification are successfully, the identity of the to-be-identified person is accepted, and otherwise, the identity of the to-be-identified person is not accepted. According to the method provided by the invention, the method using the fixed text with the user ID and a random text are adopted, so that the required voice length for the voiceprint modeling and the voiceprint verification are greatly reduced on the premise of guaranteeing the identification performances, thereby facilitating the use of the user.
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Description

technical field

[0001] The invention belongs to the technical field of computers and information services, and in particular relates to a method and a system for identifying the claimed identity of a human being through voiceprint information and voice content in voice. Background technique

[0002] Voiceprint Recognition Technology

[0003] Voiceprint recognition (Voiceprint Recognition, VPR) technology is a kind of biometric technology, which is a technology to identify the identity of the voice speaker according to the voice parameters reflecting the speaker's physiological and behavioral characteristics in the voice. Since everyone's vocal organs (tongue, teeth, larynx, lungs, nasal cavity) are different in size and shape, voiceprint has become a means of identification to identify the speaker.

[0004] The voiceprint recognition system takes the speaker's voice as input, and uses the trained specific human voiceprint model to identify the identity of the speaker of the...

Claims

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