Voice print unlocking method and smart door lock using the same

Abstract

The invention relates to the field of smart door locks and particularly relates to a voice print unlocking method. The method is used for opening a smart door lock. The method comprises a, recording user voice prints and building a voice print database, b, acquiring audio information through a smart door lock, c, determining whether there is a valid voice print through audio processing, d, if there is no a valid voice print, carrying out the step b, and if there is a valid voiceprint, verifying and comparing voices to determine whether there is door opening permission, and e, if there is no the door opening permission, carrying out the step b and if there is the door opening permission, opening the smart door lock. The smart door lock combines the audio acquisition and voice print identification. The smart door lock changes the unlocking method of the traditional intelligent door lock so that the user's hands are free, the door opening process is finished without hand operation and theuser experience is improved.

Description

technical field [0001] The invention relates to the field of intelligent door locks, in particular to a voiceprint unlocking method and an intelligent lock unlocked by using the method. Background technique [0002] Our daily homes have entry doors, and no matter what kind of door there is a lock. Some are open locks, some are hidden locks. All are unlocked by inserting a key into the lock cylinder. Although the anti-theft function can be strengthened in various ways to improve the safety of the lock, these locks are often difficult to play a protective role in the lock picking professionals. You can also buy a variety of master keys on the Internet, and simple training can open many people's locks, which really makes us feel insecure. Password lock to enter the door, you need to enter the correct password, and the door lock will automatically open. Although the combination lock is unlikely to be successfully cracked, there is still the possibility of hidden shooting lea...

AI Technical Summary

Problems solved by technology

Although fingerprint locks are difficult to crack, there are still many defects: 1. Fingerprint locks are easy to copy and forge. For example, fingerprints are collected and made into fingerprint films to deceive fingerprint locks; The identification can only be passed, which brings inconvenience to the residents: 3. Although the fingerprint characteristics of the person will not change, it will be affected by the shedding of the fingers, the humidity of the fingers, the position of the fingers, etc., resulting in failure to pass the verification; fast door opening

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