WO2015074411A1

WO2015074411A1 - Terminal unlocking method, apparatus and terminal

Info

Publication number: WO2015074411A1
Application number: PCT/CN2014/079719
Authority: WO
Inventors: 张孝雷; 李新宇
Original assignee: 中兴通讯股份有限公司
Priority date: 2013-11-20
Filing date: 2014-06-12
Publication date: 2015-05-28
Also published as: CN104658533A

Abstract

Disclosed are a terminal unlocking method, an apparatus and a terminal. The method comprises: obtaining source voice information of a user; identifying a voice password feature value in the source voice information; matching the voice password feature value with a password in a voice wakeup library, and when matching is successful, extracting a voiceprint feature value of the source voice information; and matching the voiceprint feature value of the source voice information with a pre-stored voiceprint feature value, and when matching is successful, controlling a terminal to unlock. Accordingly, the apparatus comprises: an obtaining module, which is configured to obtain the source voice information of the user; and a processing module, which is configured to identify the voice password feature value in the source voice information, match the voice password feature value with the password in the voice wakeup library, extract the voiceprint feature value of the source voice information when the matching is successful, match the voiceprint feature value of the source voice information with the pre-stored voiceprint feature value, and control the terminal to unlock when the matching is successful.

Description

Method, device and terminal for unlocking terminal

The present invention relates to the field of intelligent terminals, and in particular, to a method, device and terminal for unlocking a terminal. Background technique

As the content and applications of mobile intelligent terminals continue to grow and develop, smart terminals are becoming more and more integrated into people's lives, and they are almost an indispensable part of people's lives. At the same time, the user's physical risks of smart terminals are getting more and more attention. . The voice unlocking method by voiceprint recognition eliminates the process of manually lighting the screen and unlocking the touchscreen, and at the same time enhances the security of the terminal information.

The prior art voice wake-up technology mainly implements wake-up of the entire system of the mobile terminal, and the power consumption is high. At the same time, the application of the existing voiceprint recognition technology in the smart terminal is only for the specific implementation process of a specific voiceprint recognition technology. In terms of security, security is not high. Summary of the invention

The technical problem to be solved by the present invention is to provide a method, a device and a terminal for unlocking a terminal, and to solve the problem that the entire system is awakened by the voice recognition technology, the power consumption is high, and the voiceprint recognition technology is simply applied, and the security is not high.

In order to solve the above technical problem, the method for unlocking a terminal provided by the embodiment of the present invention includes: acquiring source voice information of a user;

Identifying a voice password feature value in the source voice information;

And matching the voice password feature value with the password in the voice wake-up library, and when the matching is successful, extracting the voiceprint feature value of the source voice information;

Matching the voiceprint feature value of the source voice information with a pre-stored voiceprint feature value, When the match is successful, the control terminal is unlocked.

After the acquiring the source voice information of the user, the method further includes: buffering the source voice information. Preferably, extracting voiceprint feature values of the source voice information includes:

Performing analog/digital conversion on the source voice information to obtain digitized source voice information; performing voiceprint analysis on the digitized source voice information to obtain a voiceprint characteristic value of the source voice information.

The method further includes: if the voiceprint feature value of the source voice information fails to match the pre-stored voiceprint feature value, controlling the display module of the terminal to light up, and performing error alerting to re-acquire the source voice information of the user.

Correspondingly, in order to solve the above technical problem, the embodiment of the present invention further provides a device for unlocking a terminal, where the method includes: acquiring a module, configured to acquire source voice information of the user;

a processing module, configured to identify a voice password feature value in the source voice information, and match the voice password feature value with a password in a voice wake-up library to obtain a matching result; when the matching result is successful, extract the source The voiceprint feature value of the voice information matches the voiceprint feature value of the source voice information with the pre-stored voiceprint feature value, and when the matching is successful, the control terminal unlocks.

Preferably, the processing module includes: a first processing module, configured to identify a voice password feature value in the source voice information, and match the voice password feature value with a password in a voice wake-up library to obtain a matching result;

a second processing module, configured to: when the matching result is successful, extract a voiceprint feature value of the source voice information, and match a voiceprint feature value of the source voice information with a pre-stored voiceprint feature value, when the matching is successful, The control terminal is unlocked.

Preferably, the first processing module includes:

a cache module, configured to cache the source voice information of the obtained user;

a storage module configured to store a voice wakeup library, where the voice wakeup library includes a user advance Entered voice password;

The first processing sub-module is configured to identify a voice password feature value in the source voice information, and match the voice password feature value with a password in a voice wake-up library stored in the storage module, and when the matching is successful, extract The voiceprint feature value of the source voice information.

Preferably, the second processing module comprises:

a second processing submodule configured to: when the matching result is successful, send the source voice information to the voiceprint recognition module; and configured to match the voiceprint feature value sent by the voiceprint recognition module with the pre-stored voiceprint feature value, and match When successful, the screen of the control terminal is unlocked;

a voiceprint recognition module, configured to perform analog/digital conversion on the source voice information to obtain digitized source voice information; perform voiceprint analysis on the digitized source voice information, obtain voiceprint feature values of the source voice information, and send the voiceprint feature values to the The second processing sub-module.

The second processing sub-module is further configured to: if the voiceprint feature value of the source voice information fails to match the pre-stored voiceprint feature value, control the display module of the terminal to light, and perform an error reminder to re-acquire the user Source voice information.

In order to solve the above technical problem, corresponding to the device, the embodiment of the present invention further provides a terminal, which includes the device for unlocking the terminal as described above.

The terminal further includes: a display module configured to display the matching result.

Correspondingly, in order to solve the above technical problem, an embodiment of the present invention further provides a computer storage medium, wherein computer executable instructions are stored, and the computer executable instructions are used to execute the foregoing method.

The beneficial effects of the above technical solutions of the embodiments of the present invention are as follows:

In the solution of the embodiment of the present invention, the voice password value matching is performed in a system sleep state, and after the source voice information is obtained, the voice password feature value of the source voice information is identified, and the password in the voice wake-up library is matched, if After the voice password is successfully matched, the system wakes up the system and extracts the voiceprint feature value of the source voice information, and matches the pre-stored voiceprint feature value. After the matching is successful, The control terminal unlocks the system. At the same time, the voice password feature value matching verification is adopted. If it does not match, the system will not wake up, and the voiceprint feature value matching verification will not be activated, thereby reducing the power loss of the voiceprint feature value unlocking process, and the voice password feature value matching the risk certificate. The silent verification of the matching of the voiceprint feature value verification improves the accuracy of the voice recognition, protects the security of the user's private information, and facilitates the user's life.

DRAWINGS

1 is a schematic diagram of basic steps of a method for unlocking a terminal according to an embodiment of the present invention;

2 is a structural diagram of a system module of an apparatus for unlocking a terminal according to an embodiment of the present invention;

3 is an interface diagram of a voiceprint recognition module according to an embodiment of the present invention;

4 is a flowchart of processing of an apparatus for unlocking a terminal according to an embodiment of the present invention;

FIG. 5 is a flowchart of voice unlocking of a terminal according to an embodiment of the present invention. detailed description

The technical problems, the technical solutions, and the advantages of the present invention will become more apparent from the following detailed description.

The purpose of the embodiments of the present invention is to provide a method, a device, and a terminal for unlocking a terminal, which can improve the accuracy of voice recognition and effectively protect the private information of the user through double verification of voice password feature value matching verification and voiceprint feature value matching verification. Security, and voice password value matching verification is performed when the system is dormant. If the voice verification values do not match, the system will not wake up, and the voiceprint matching verification will not be performed to meet the minimum power consumption.

As shown in FIG. 1 , a method for unlocking a terminal according to an embodiment of the present invention includes: Step 11: Acquire source voice information of a user;

Step 12: Identify a voice password feature value in the source voice information.

Step 13, matching the voice password feature value with a password in the voice wakeup library, in matching Upon successful, the voiceprint feature value of the source voice information is extracted; wherein, the step 13 is to wake up the CPU main processor module by using the first processing module, and extract the voiceprint feature value of the source voice information by using the CPU main processor. .

Step 14. Match the voiceprint feature value of the source voice information with the pre-stored voiceprint feature value. When the matching is successful, the control terminal is unlocked.

If voice password matching and voiceprint matching are performed separately, the security is low and it is easy to cause misoperation; if voice password matching and voiceprint matching work while the system wakes up, the system power consumption will increase. In the embodiment of the present invention, the voice password feature value and the voiceprint feature value are divided into two parts, and the voice password feature value of the source voice information is matched first, and the voice password feature value is matched when the system is dormant. If the voice password feature value does not match the password in the voice wake-up library, the wake-up system does not need to verify the matching of the voiceprint recognition feature value, and the power loss of the voiceprint feature value can be reduced; if the voice password feature value matches successfully, the system wakes up and sends The source voice information is extracted to the second processing module to extract the voiceprint feature value of the source voice information, and the voiceprint feature module is matched and verified by the voiceprint recognition module, and when the matching is successful, the system is unlocked and entered. In this way, the voice password feature value matching verification is performed first, and then the voiceprint feature value is double verified, thereby improving the accuracy of the voice recognition and enhancing the security of the terminal information. It should be noted that the voiceprint identification matching in this embodiment can be processed before the CPU wakes up, that is, after the voice password is successfully matched, the voiceprint matching risk is directly performed. After the matching is successful, the system wakes up and unlocks the system to achieve the minimum power consumption requirement. Enrich the user's individual scene experience.

It should be understood that, in the method of unlocking the terminal of the embodiment of the present invention, the method for unlocking the source of the user includes: buffering the Source voice information.

After step 11, the source voice information needs to be cached, and the relevant first voice password feature value is matched with the password in the voice wake-up library during the buffering period. When the matching is successful, the voiceprint feature value of the source voice information is extracted, and then Matches the pre-stored voiceprint feature values, matching During the operation, the control terminal unlocks the system, provides necessary time for matching verification through the cache space, improves the validity of the matching, and further improves the security of the user.

Preferably, in the method for unlocking a terminal in the embodiment of the present invention, extracting a voiceprint feature value of the source voice information includes:

Step 121: Perform analog/digital conversion on the source voice information to obtain digitized source voice information.

Step 122: Perform voiceprint analysis on the digitized source voice information to obtain voiceprint feature values of the source voice information.

The source voice information is correlated and processed, and the source voice information is obtained through analog/digital conversion. The voiceprint characteristic value of the source voice information is obtained by performing voiceprint analysis on the digitized source voice information. Steps 121 and 122 may be performed when the original sample is recorded and the voiceprint feature value of the source voice information is matched, and the accuracy of setting the original sample and the matching verification is improved to provide protection for the user information.

The method of unlocking the terminal of the embodiment of the present invention further includes:

Step 15: If the voiceprint feature value of the source voice information fails to match the pre-stored voiceprint feature value, the display module of the terminal is controlled to be lit, and an error reminder is used to re-acquire the source voice information of the user.

Once the voice password feature value of the voice information is obtained, and the password in the voice wake-up library is successfully matched, but the voiceprint feature value fails to match, the control terminal lights up the display module and prompts the error message, but does not unlock, then directly returns to continue receiving. Source voice data and match verification. If the voice password value match and the voiceprint password value match, the display module of the control terminal lights up and unlocks the system. This ensures the security of user information and makes it more secure to use.

As shown in FIG. 2, the embodiment of the present invention further provides a device for unlocking a terminal, which includes: Obtaining module 1, configured to obtain source voice information of the user;

The processing module 2 is configured to identify a voice password feature value in the source voice information, and match the voice password feature value with a password in the voice wake-up library to obtain a matching result; when the matching result is successful, extract the The voiceprint feature value of the source voice information matches the voiceprint feature value of the source voice information with a pre-stored voiceprint feature value, and when the matching is successful, the control terminal unlocks.

In the embodiment of the present invention, the source voice information is obtained by the obtaining module 1, and the processing module 2 performs the double matching verification of the matching verification of the voice password feature value and the matching verification of the voiceprint feature value, thereby protecting the security of the user information.

In the apparatus for unlocking a terminal according to another embodiment of the present invention, the processing module 2 includes: a first processing module 22 configured to identify a voice password feature value in the source voice information, and set the voice password feature value Matching the password in the voice wake-up library to obtain a matching result; wherein, the first processing module 22 may be an event processing DSP module, configured to save the input source voice information, and extract the voice password feature value, and send the The storage module 222.

The second processing module 23 is configured to: when the matching result is successful, extract the voiceprint feature value of the source voice information, and match the voiceprint feature value of the source voice information with the pre-stored voiceprint feature value, when the matching is successful , the control terminal is unlocked. The second processing module 23 may be a module that the main processor CPU module processes the voiceprint recognition module 232.

In the above device for unlocking the terminal, the two types of matching verification for the matching verification of the voice password feature value and the matching verification of the voiceprint feature value can be achieved by:

In one case, the processing module is an event processing DSP module, configured to save the input source voice information, and extract the voice password feature value, send it to the storage module 222, and after the voice password information is successfully matched, and The voiceprint recognition module 232 processes the voiceprint feature values of the source voice information, and matches the voiceprint feature values stored in advance, and the voiceprint feature values are successfully matched and unlocked into the system. In another case, the processing module includes two different modules, and two types of matching verification are implemented by two different modules. The first processing module 22 may be an event processing DSP module, and is responsible for saving the input source voice information. And extracting the voice password feature value and sending it to the storage module 222. The second processing module 23 may be a module that the main processor CPU module processes the voiceprint recognition module 232. Of course, the above is merely an example. Any double-matching risk certificate that matches the risk of the voice password feature value and the matching risk of the voiceprint feature value is applied here, and is not illustrated here.

In the foregoing embodiment of the present invention, the first processing module 22 matches the password in the voice wake-up library according to the voice password feature value in the source voice information, in the state in which the system is in a sleep state, by using the source voice information obtained by the first acquiring unit. The first processing module 22 wakes up the CPU main processor module through the second processing module 23 on the premise that the matching result is successful, and extracts the voiceprint feature value of the source voice information through the CPU main processor, and matches the pre-stored voiceprint feature value. When the voiceprint feature value is successfully matched, the control terminal unlocks and enters the system. Through the double matching verification of the first processing module 22 and the second processing module 23, the user is provided with better security service, and when the first processing module 22 is not successfully matched, since the first processing module 22 is in the system sleeping state, If the second processing module 23 is not working, the wake-up system is not required to verify the matching of the voiceprint recognition feature values, and the minimum power consumption is satisfied. It should be noted that the voiceprint recognition matching of the second processing module 23 is processed in the case of waking up the CPU. In the embodiment of the present invention, the voiceprint recognition matching work can be advanced to the first processing module 22 for processing. The user directly wakes up and unlocks the terminal through voice, effectively protects the security of the user's private information, and enriches the user's individual scene experience while being fun.

In the apparatus for unlocking a terminal of the embodiment of the present invention, the first processing module 22 includes: a cache module 221, configured to cache the source voice information of the acquiring user;

The storage module 222 is configured to store a voice wake-up library, where the voice wake-up library includes a voice password input by the user. The storage module 222 can be a voice pool wake-up library module. The first processing sub-module 223 is configured to identify a voice password feature value in the source voice information, and match the voice password feature value with a password in the voice wake-up library stored in the storage module 222. And extracting a voiceprint feature value of the source voice information. The first processing sub-module 223 may be a main processor CPU module, and is responsible for transmitting the source voice information of the cache module 221 to the second processing module 23.

In the device for unlocking the terminal of the embodiment of the present invention, the second processing module 23 includes: a second processing sub-module 231 configured to send the source voice information to the voiceprint recognition module 232 when the matching result is successful; The voiceprint feature value sent by the voiceprint recognition module 232 is matched with the pre-stored voiceprint feature value, and when the matching is successful, the screen of the control terminal is unlocked; the voiceprint recognition module 232 is configured to perform the analog voice/digital on the source voice information. Converting, obtaining digitized source voice information; performing voiceprint analysis on the digitized source voice information, obtaining voiceprint feature values of the source voice information, and transmitting the voiceprint feature values to the second processing sub-module 231.

As shown in Fig. 3, the recording, matching and storage of the samples of the above-mentioned pre-stored voiceprint feature values are defined as follows:

1. Voiceprint password user sampling and recording interface 2321.

This interface allows the upper application to record user voiceprints to form a single voiceprint sampling sample information. It can be applied to the voiceprint sampling when the user's voiceprint command is set, and can also be applied to the input recording of the user's voiceprint when the voiceprint command is turned on.

2. The voiceprint sample confidence matching interface 2322.

This interface is used to compare the new sample with the original sample in the sample library and output the matching result.

3, the voiceprint command final voiceprint library storage interface 2323.

The user voiceprint instruction that confirms the application forms the final voiceprint as the original sample.

In the apparatus for unlocking a terminal according to another embodiment of the present invention, the second processing sub-module 231 is further configured to: if the voiceprint feature value of the source voice information matches a pre-stored voiceprint feature value If it fails, the display module of the terminal is controlled to be lit, and an error reminder is used to re-acquire the source voice information of the user.

For the display module of the above terminal to illuminate, the LCD module of the lighting display device must satisfy the successful matching of the voice password. In one case, the voice password value is successfully matched, but when the voiceprint feature value fails to match, the main processor CPU module illuminates the display device LCD. The module prompts for an error message but is not unlocked. In another case, after the voice password value matching and the voiceprint password value matching are passed, the main processor CPU module lights up the display device LCD module and unlocks the system.

As shown in FIG. 4, a specific embodiment of the present invention is exemplified as follows.

Event Processing The DSP module receives the source voice data from the user and stores it in the audio buffer. At the same time, the voice password is extracted from the source voice data and sent to the voice pool wake-up library module. The voice pool wake-up library module determines whether the wake-up password in the source voice data is consistent with the phrase in the wake-up library, and if the match is unsuccessful, directly returns to continue receiving the source voice data and performs matching verification. If the match is successful, the event processing DSP module wakes up the main processor CPU module and notifies the CPU to pass the source voice information to the voiceprint recognition module 232. The voiceprint recognition module 232 receives the source voice information sent by the CPU module of the main processor, performs information conversion, extracts voiceprint feature values, and performs matching in the voiceprint library, and sends the matching result to the main processor CPU module. The main processor CPU module obtains the voiceprint matching result of the voiceprint recognition module 232, and determines whether to perform the unlocking according to the voiceprint matching result. If the voiceprint feature value fails to match, the main processor CPU module illuminates the display device LCD module and prompts an error message, but does not unlock it, then directly returns to continue receiving the source voice data and performs matching verification. If the voice password value match and the voiceprint password value match, the main processor CPU module lights up the display device LCD module and unlocks the system.

Correspondingly, in order to achieve the above object, an embodiment of the present invention further provides a terminal, where the device includes the terminal unlocking device as described above.

The method further includes: a display module, configured to display the matching result. The display module may be a display device LCD module, and is responsible for displaying interface information of the terminal to the user. In the device for unlocking the terminal in the embodiment of the present invention, the source processing information obtained by the first acquiring unit in the state in which the system is in a sleep state, the first processing module 22, according to the voice password feature value in the source voice information, and the voice waking pool The passwords are matched. If they do not match, the direct return to the source voice data is received and the matching verification is performed. If the matching is successful, the first processing module 22 wakes up the CPU main processor through the second processing module 23 on the premise that the matching result is successful. Module, and extracting the voiceprint feature value of the source voice information by the CPU main processor, and matching with the pre-stored voiceprint feature value. If not, the second processing sub-module 231 controls the display device LCD module of the terminal to light up and prompts an error. If the information is not unlocked, it will return directly to continue receiving the source voice data and perform matching verification. If the matching terminal is successful, the control terminal illuminates the display device LCD module to unlock the system, and through the double matching insurance certificate of the first processing module 22 and the second processing module 23, the utilization of the central processing unit is improved, and the user is better provided. The security service, while the first processing module 22 is not successfully matched, since the first processing module 22 is performed while the system is sleeping, so that the second processing module 23 does not work, the wake-up system is not used to perform the matching of the voiceprint feature values. Verify that the minimum power consumption is met and the security of private information is improved. It should be noted that the voiceprint recognition matching of the second processing module 23 is processed in the case of waking up the CPU. In the embodiment of the present invention, the work of voiceprint identification matching can be advanced to the first processing module 22, and the above terminal All implemented embodiments of the unlocked device and its benefits are applicable to the terminal.

As shown in FIG. 5, the specific process implementation process of the embodiment of the present invention includes:

The obtained source voice information is cached by the cache module 221, and then the first processing sub-module 223 identifies the voice password feature value, and compares with the preset password of the voice wake-up library in the storage module 222 to determine whether the voice password value matches, if The voice password values do not match, and the new source voice information is continuously cached for matching. After the voice password values match, the second processing sub-module 231 is notified, and the source voice information is sent to the voiceprint recognition module 232. After the voiceprint recognition module 232 obtains the source voice, Extracting the voiceprint feature value of the source voice information, and matching the voiceprint feature value stored in advance, when the voiceprint feature value does not match, the second processing submodule 231 controls the display module of the terminal to light up and If the error message is prompted, the device directly returns to receive the source voice data and performs matching verification. When the voiceprint feature value is successfully matched, the display module is illuminated and the screen of the terminal is unlocked to enter the system.

The embodiment of the present invention further provides a computer storage medium, wherein computer executable instructions are stored, and the computer executable instructions are used to execute the method according to any embodiment of the present invention.

The above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

Each of the above units may be implemented by a central processing unit (CPU), a digital signal processor (DSP) or a Field-Programmable Gate Array (FPGA) in an electronic device.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware aspects. Moreover, the invention can take the form of a computer program product embodied on one or more computer usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart and/or block diagrams, and combinations of flow and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that stored in the computer readable memory The instructions in the reservoir produce an article of manufacture comprising an instruction device that implements the functions specified in one or more blocks of the flow or in a flow or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

Claims

Claim

A method for unlocking a terminal, wherein the method includes:

Obtain the source voice information of the user;

Identifying a voice password feature value in the source voice information;

The voiceprint feature value of the source voice information is matched with the voiceprint feature value stored in advance, and when the matching is successful, the control terminal is unlocked.

The method for unlocking a terminal according to claim 1, wherein after the acquiring the source voice information of the user, the method further includes:

The source voice information is cached.

The method for unlocking a terminal according to claim 1, wherein extracting the voiceprint feature value of the source voice information comprises:

The method for unlocking a terminal according to claim 1, wherein the method further comprises: if the voiceprint feature value of the source voice information fails to match the pre-stored voiceprint feature value, controlling the display module point of the terminal Light up, and make an error reminder to regain the user's source voice information.

5. A device for unlocking a terminal, wherein the device comprises:

Obtaining a module, configured to obtain source voice information of the user;

a processing module, configured to identify a voice password feature value in the source voice information, and match the voice password feature value with a password in a voice wake-up library to obtain a matching result; when the matching result is successful, extract the source a voiceprint feature value of the voice message, the sound of the source voice message The pattern feature value is matched with the pre-stored voiceprint feature value, and when the matching is successful, the control terminal is unlocked.

The apparatus for unlocking a terminal according to claim 5, wherein the processing module comprises: a first processing module, configured to identify a voice password feature value in the source voice information, and set the voice password feature value Match the password in the voice wakeup library to get the matching result;

The apparatus for unlocking a terminal according to claim 6, wherein the first processing module comprises:

a storage module, configured to store a voice wakeup library, where the voice wakeup library includes a voice password input by a user in advance;

The apparatus for unlocking a terminal according to claim 7, wherein the second processing module comprises: a second processing submodule configured to send the source voice information to the voiceprint recognition module when the matching result is successful; In order to match the voiceprint feature value sent by the voiceprint recognition module with the pre-stored voiceprint feature value, when the matching is successful, the screen of the control terminal is unlocked;

The apparatus for unlocking a terminal according to claim 8, wherein the second processing submodule is further configured to: if a voiceprint feature value of the source voice information and a voiceprint feature value stored in advance If the matching fails, the display module of the terminal is controlled to be lit, and an error reminder is used to re-acquire the source voice information of the user.

A terminal, wherein the terminal comprises the terminal unlocking device according to any one of claims 5 to 9.

The terminal according to claim 10, wherein the terminal further comprises: a display module configured to display the matching result.

12. A computer storage medium having computer executable instructions stored thereon, the computer executable instructions for performing the method of any of claims 1 to 4.