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Voice access control system

An access control system and voice technology, which is applied in voice analysis, instruments, time registers, etc., can solve problems such as cracking and security risks, and achieve the effects of precise access control, high security, and improved voice recognition accuracy

Inactive Publication Date: 2019-09-10
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] However, the existing voice access control system is easy to be cracked by recording, editing sound, etc., and there are certain security risks

Method used

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Examples

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0023] figure 1 A schematic diagram of the principle of the voice door control system provided by an embodiment of the present invention, such as figure 1 As shown, first collect the speaker's voice information, and then start the Turing test when receiving the voice information, if it passes the Turing test, it is judged as real voice information, and then input the voice information that passes the Turing test to the deep learning module . The deep learning module includes: generating confrontation ...

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Abstract

The invention provides a voice access control system, and aims at using voice anti-fake Turing test and deep learning to carry out immortal voice recognition so as to realize an access control function. The system comprises a processor loaded with a Turing test module, a generative adversarial network and a bidirectional GRU neural network, wherein the processor is communicable connected with an access control driving mechanism and is used for starting or closing the access control according to voice characteristics. The voice access control system is suitable for carrying out Turing test on the obtained voices under specific environments that the speakers are not on the spots, carrying out voice enhancement processing through the generative adversarial network after determining the voicesas real voices, carrying out feature extraction on the enhanced voices by adoption of parameters such as Mel cepstrum (MFCC) and the like, and completing speaker recognition through a deep bidirectional gated recurrent unit) network.

Description

technical field [0001] The invention relates to the technical field of voice processing, in particular to a voice door control system. Background technique [0002] With the rapid development of electronic information technology, traditional door locks continue to develop in the direction of high technology and intelligence. The intelligent identification system combining biometric identification with traditional locks has gradually entered people's lives. More and more enterprises apply this intelligent identification system to access control management and attendance management. [0003] At present, the voiceprint information in the voice is integrated into the access control system as a biometric feature. [0004] However, the existing voice access control system is easily cracked by recording, editing sound, etc., and there are certain security risks. Contents of the invention [0005] Aiming at the defects in the prior art, the object of the present invention is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07C9/00G10L17/02G10L17/04G10L17/18G10L17/22
CPCG10L17/02G10L17/04G10L17/18G10L17/22G07C9/37
Inventor 沈希忠孙陈影
Owner SHANGHAI INST OF TECH
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