WO2015169000A1

WO2015169000A1 - Identity recognition method and apparatus, and storage medium

Info

Publication number: WO2015169000A1
Application number: PCT/CN2014/083827
Authority: WO
Inventors: 陈安地
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-05-06
Filing date: 2014-08-06
Publication date: 2015-11-12
Also published as: CN105096954A

Abstract

Disclosed are an identity recognition method and apparatus, and a storage medium. The method is applied to an intelligent network, and comprises: obtaining a user voiceprint A during registration of a user; obtaining a user voiceprint B when the user intends to perform a business transaction; and recognizing an identity of the user by comparing the voiceprint A with the voiceprint B. By using a service of performing identity recognition through a voiceprint based on a broadband intelligent network, the problem in the prior art that a voiceprint recognition technology lacks an efficient and reliable control implementation method in the mobile payment field is solved. Control and data collection from a terminal to a server can be effectively implemented by using a call, and an operator's intelligent service and the terminal's transactional APP software are combined, so that a phishing website and viruses are prevented from illegally obtaining user information, thereby providing a reliable identity authentication environment for high-value transactions in the mobile Internet. In addition, more reliable and unique identity authentication is provided through the voiceprint recognition.

Description

Identification method and device, storage medium

The present invention relates to communication technologies, and in particular, to an identification method and device, and a storage medium

Background technique

With the development of computer technology and communication technology, the means of information transmission has undergone tremendous changes. People's demand for various services is also increasing, requiring more and more diverse types of services, such as voice, data, and images, which have led to a rapid increase in demand for multimedia services. At the same time, the mobile network is developing rapidly, and various services such as multimedia and payment are also appearing on the mobile terminal. In order to meet the rapidly rising demand of the above-mentioned services, the network construction needs to be developed in the direction of broadband, intelligence, and integration. Make the broadband network a necessary network to meet the above business needs.

The Intelligent Network is a system that can generate and implement new services quickly, easily, flexibly, economically and efficiently. It is not a parallel relationship with the original communication network, but serves the telecommunication network to enhance the functions of the telecommunication network. The combination of a telecommunications network and an intelligent network provides a variety of new services to users throughout the network. The goal of the intelligent network is to serve all communication networks. The intelligent network based on the broadband network is collectively referred to as a broadband intelligent network. So far, various telecom operators have deployed a large number of value-added services on their own networks, which are basically related to Interactive Voice Response (IVR). For example, the self-service voice service provided by the banking system and the self-service flight information inquiry provided by the airlines all reflect the application scenario of the IVR.

At present, the mobile payment field and voiceprint recognition technology have matured, but the security module still has the following problems: After the text password is leaked, illegal personnel can quickly steal funds; after losing the mobile phone, the illegal person can quickly reset the password by losing the identity card number. Misappropriation of funds; transaction process There is no reliable and funny physical identification method. Therefore, voiceprint recognition technology lacks an efficient and reliable control implementation method in the field of mobile payment.

In view of the problem that the voiceprint recognition technology lacks an efficient and reliable control implementation method in the field of mobile payment, no effective solution has been proposed yet. Summary of the invention

In view of the problem that the voiceprint recognition technology in the related art lacks an efficient and reliable control implementation method in the field of mobile payment, an embodiment of the present invention provides an identification method and apparatus for solving the above technical problem.

According to an aspect of the present invention, an embodiment of the present invention provides an identity identification method, where the method is applied to an intelligent network service, including: acquiring a user voiceprint A in a user registration process; User voiceprint B is obtained; user identity is determined by comparing the voiceprint A and the voiceprint B.

Preferably, after the user identity is performed, the method further includes: performing a business transaction by the user authenticated by the identity; and the user not passing the identity authentication is denied the business transaction.

Preferably, in the registration process of the user, acquiring the user voiceprint A includes: accessing the user during the user registration process; acquiring the user voiceprint A based on the interactive voice response system IVR operation; and performing the encryption and compression operations The data of the voiceprint A is stored in the library.

Preferably, when the user pre-communicates the transaction, acquiring the user voiceprint B includes: after receiving the identity verification request, calling the user; and acquiring the user voiceprint B based on the IVR operation.

Preferably, based on the IVR operation, acquiring the user voiceprint comprises: requesting the user to read or answer a random question according to the operation voice prompt based on the IVR operation, thereby acquiring the user voiceprint.

Preferably, comparing the voiceprint A and the voiceprint B is achieved by comparing the voiceprint A and the voiceprint B by noise reduction, encryption, voiceprint extraction, and voiceprint matching operations.

Preferably, the intelligent network service provides an access intelligent network function set through the service switching point SSP, and starts an intelligent network service according to the called number of the user; the intelligent network service passes the service control. The point SCP implements call control processing; wherein, the service logic loaded on the SCP is an IVR value-added service application for implementing voiceprint acquisition and voiceprint recognition.

According to another aspect of the present invention, an embodiment of the present invention further provides an identity recognition device, where the device is applied to an intelligent network service, including: a first acquiring module, configured to acquire a user voiceprint A during a user registration process The second obtaining module is configured to acquire the user voiceprint B when the user pre-trades the business; the identity recognition module is configured to perform the user identity by comparing the voiceprint A and the voiceprint B.

Preferably, the first obtaining module includes: an access unit configured to access the user during a user registration process; the first obtaining unit configured to acquire a user voiceprint A based on an IVR operation of the interactive voice response system; The saving unit is configured to save the data of the voiceprint A into the library by using an encryption and a compression operation.

Preferably, the second obtaining module includes: an outgoing call unit, configured to: call the user after receiving the identity verification request; and the second obtaining unit is configured to obtain the user voiceprint B based on the IVR operation.

Preferably, the identity recognition module comprises: a comparison unit configured to compare the voiceprint A and the voiceprint B by noise reduction, encryption, voiceprint extraction, and voiceprint matching operations.

The embodiment of the invention further provides a storage medium, wherein the storage medium stores a computer program, and the computer program is configured to execute the foregoing identity recognition method.

The embodiment of the invention solves the problem that the voiceprint recognition technology lacks an efficient and reliable control implementation method in the mobile payment field in the related art. It can effectively realize terminal-to-server control and data collection through telephone, combine operator intelligent service with terminal transaction APP software, avoid phishing websites and viruses from illegally obtaining user information, and provide reliable for realizing high-value transactions on mobile Internet. Identity authentication environment. At the same time, combined with voiceprint recognition, it provides reliability and unique identity authentication. According to the phone prompt, the user performs operations such as voiceprint entry and identity authentication, and the interaction process is friendly and secure. The above description is only an overview of the technical solutions of the present invention, and the technical means of the present invention can be more clearly understood, and can be implemented in accordance with the contents of the specification, and the above and other objects, features and advantages of the present invention can be more clearly understood. Specific embodiments of the invention are set forth below. DRAWINGS

1 is a flow chart of an identification method according to an embodiment of the present invention;

2 is a flow chart of voiceprint recognition of a broadband intelligent network according to Embodiment 1 of the present invention;

3 is a flow chart of voiceprint recognition of a broadband intelligent network according to Embodiment 2 of the present invention;

4 is a flow chart of voiceprint recognition of a broadband intelligent network according to Embodiment 3 of the present invention;

FIG. 5 is a structural block diagram of an identity recognition apparatus according to an embodiment of the present invention; FIG.

6 is a schematic diagram of a network element module of a voiceprint recognition system according to an embodiment of the present invention; FIG. 7 is a schematic diagram of a voiceprint acquisition process according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a voiceprint recognition process according to an embodiment of the present invention. detailed description

In order to solve the problem that the voiceprint recognition technology lacks an efficient and reliable control implementation method in the field of mobile payment, the embodiment of the present invention provides an identification method and device. The present invention is further described in detail below with reference to the accompanying drawings and embodiments. . It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present embodiment provides an identity identification method, which can be implemented in an intelligent network service. FIG. 1 is a flowchart of an identity recognition method according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps (step S102). -Step S106):

Step S102: The intelligent network service acquires the user voiceprint A during the user registration process.

In this step, the embodiment provides a preferred implementation manner, that is, the intelligent network service acquires the user voiceprint A during the registration process of the user, including: accessing the intelligent network service during the user registration process; the intelligent network service is based on the interaction Voice response system IVR operation, obtaining user voiceprint A; The energy network service saves the data of voiceprint A into the library through encryption and compression operations.

Step S104: The intelligent network service acquires the user voiceprint B when the user performs a business transaction. In this step, the embodiment provides a preferred embodiment, that is, when the user pre-traffics the service, the user obtains the voiceprint B. The smart network service receives the identity verification request, and the external call user; The service is based on the IVR operation, and the user's voiceprint B is obtained.

Step S106, the intelligent network service performs user identification by comparing the voiceprint A and the voiceprint B. In this step, preferably, the comparison of the voiceprint A and the voiceprint B can be achieved by the following steps: contrasting the voiceprint A and the voiceprint B by noise reduction, encryption, voiceprint extraction, and voiceprint matching operations. Of course, the contrast method of voiceprint is not limited to this, as long as the voiceprint contrast can be accurately and reasonably realized.

After that, the authenticated user conducts a business transaction; the unauthenticated user is denied the business transaction.

In this embodiment, the intelligent network service provides the access intelligent network function set through the service switching point SSP, and starts the intelligent network service according to the called number of the user; the intelligent network service implements call control processing through the service control point SCP; wherein, the SCP is implemented on the SCP. The loaded business logic is an IVR value-added service application that implements voiceprint acquisition and voiceprint recognition.

The embodiment of the present invention solves the problem that the voiceprint recognition technology lacks an efficient and reliable control implementation method in the mobile payment field in the related art by using the broadband intelligent network for voiceprint identification. It can effectively realize terminal-to-server control and data collection through telephone, combine operator intelligent service with terminal transaction APP software, avoid phishing websites and viruses from illegally obtaining user information, and provide reliable for realizing high-value transactions on mobile Internet. Identity authentication environment. At the same time, it combines voiceprint recognition to provide more reliable and unique identity authentication. According to the phone prompt, the user performs operations such as voiceprint entry and identity authentication, and the interaction process is friendly and secure.

In this embodiment, the intelligent network service is based on the IVR operation, and the user voiceprint is obtained. The intelligent network service is based on the IVR operation, and requests the user to read or answer the random question according to the operation voice prompt, and obtain the user voiceprint accordingly. In view of the above description, the present invention has been achieved based on the advantages of the broadband intelligent network IVR application. The object of the present invention is to provide a broadband intelligent network service control mobile terminal for voiceprint identification.

Embodiment 1

In order to solve the defect of the transaction security in the current mobile network, the embodiment of the present invention provides an audiovisual collection and identity control control from the terminal to the operator to the server through the IVR process in the broadband intelligent network, and the service application and the broadband service of the terminal. The IVR operation is an example. The service of the terminal can be a payment application or a banking application.

2 is a flow chart of voiceprint recognition of a broadband intelligent network according to Embodiment 1 of the present invention. As shown in FIG. 2, the flow includes, but is not limited to, the following implementation steps:

Step S202: The user terminal registers by using a payment application software.

Step S204: During the registration process, the software prompts the user to automatically dial a fixed number, access the smart network service, and perform an IVR operation.

Step S206: The IVR operation requests the user to read the user's voiceprint A according to the operation voice prompt, read a paragraph or answer a random question.

Step S208, the voiceprint data is saved into the library by encryption, compression, or the like.

Step S210: When the user is trading in the mobile network, the terminal payment application sends an identity verification request to the intelligent network service.

Step S212: The intelligent network service calls the user terminal, and after the user connects, according to the IVR prompt, the user repeatedly reads or answers the random question to obtain the current voiceprint B.

Step S214, the intelligent network service uses the contrast voiceprint A and the voiceprint B for identity recognition. Step S216: The intelligent network returns the information of whether the identity authentication is passed to the terminal application, and the user who passes the identity authentication can continue the transaction, otherwise the terminal application rejects the transaction.

Embodiment 2

3 is a flow chart of voiceprint recognition of a broadband intelligent network according to Embodiment 2 of the present invention, as shown in FIG. The process includes, but is not limited to, the following implementation steps:

Step S302, the user registers by using the bank terminal application software.

Step S304: During the registration process, the software prompts the user to automatically dial a fixed number, access the smart network service, and perform an IVR operation.

Step S306, the IVR operation requests the user to read the user's voiceprint A according to the operation voice prompt, read a paragraph or answer a random question.

Step S308, the voiceprint data is saved into the library by encryption, compression, or the like.

Step S310, the user performs a permission change or a service opening operation in the bank terminal application software, and the bank terminal application software sends the identity authentication request to the broadband intelligent network identity authentication service.

Step S312: The intelligent network service calls the user terminal, and after the user connects, according to the IVR prompt, the user repeatedly reads or answers the random question to obtain the current voiceprint B.

Step S314, the intelligent network service uses the contrast voiceprint A and the voiceprint B for identity recognition. Step S316: The intelligent network returns the information of whether the identity authentication is passed to the terminal application, and the user who passes the identity authentication can continue the transaction, otherwise the terminal application rejects the transaction.

Embodiment 3

4 is a flow chart of voiceprint recognition of a broadband intelligent network according to Embodiment 3 of the present invention. As shown in FIG. 4, the process includes but is not limited to the following implementation steps:

Step S402, the user registers by using the bank terminal application software.

Step S404: During the registration process, the software prompts the user to automatically dial a fixed number, access the smart network service, and perform an IVR operation.

Step S406, the IVR operation requests the user to read the user's voiceprint A according to the operation voice prompt, read a paragraph or answer a random question.

Step S408, the voiceprint data is saved into the library by encryption, compression, or the like.

Step S410, the user performs a permission change or a service opening operation in the self-service voice service provided by the bank, and the bank independent voice service is transferred to the broadband intelligent network identity authentication service, or has Integration of the business.

Step S412, the user reads a paragraph or answers a random question on the phone according to the IVR voice prompt, and obtains the user voice pattern B.

Step S414, the intelligent network service uses the contrast voiceprint A and the voiceprint B for identity recognition.

Step S416: The intelligent network returns the information of whether the identity authentication is passed to the bank autonomous voice service system, and the user who passes the identity authentication can continue to operate, otherwise the terminal application refuses to operate.

With the rapid development of telecommunications technology, broadband networks and their broadband intelligent networks are currently deployed in various operator systems. Similarly, a large number of value-added services are deployed based on broadband intelligent networks. The IVR application built on the broadband intelligent network provides an excellent identity recognition environment for VIP users by taking advantage of its high security and friendly interaction process.

Corresponding to the identity identification method introduced in the foregoing embodiment, the embodiment provides an identity recognition device, which can be set in the intelligent network service to implement the foregoing embodiment. FIG. 5 is a structural block diagram of an identity recognition apparatus according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes: a first acquisition module 10, a second acquisition module 20, and an identity recognition module 30. The structure is described in detail below.

The first obtaining module 10 is configured to obtain the user voiceprint A during the user registration process.

The second obtaining module 20 is configured to acquire the user voiceprint B when the user pre-trades the business. The identity module 30 is configured to perform user identification by comparing the voiceprint A and the voiceprint B.

In this embodiment, the service based on the broadband intelligent network for voiceprint identification is solved, and the problem that the voiceprint recognition technology lacks an efficient and reliable control implementation method in the mobile payment field is solved. It can effectively realize terminal-to-server control and data collection through telephone, combine operator intelligent service with terminal transaction APP software, avoid phishing websites and viruses from illegally obtaining user information, and provide reliable for realizing high-value transactions on mobile Internet. Identity authentication environment. At the same time, combined with voiceprint recognition, it provides reliability and unique identity authentication. The user enters according to the phone prompt The operation of voice recording, identity authentication, etc., the interaction process is friendly and secure.

The first obtaining module 10 includes: an access unit configured to access the user during a user registration process; and a first acquiring unit configured to acquire a user voiceprint A based on an IVR operation of the interactive voice response system; In order to save the data of the voiceprint A into the library by an encryption and compression operation.

Preferably, the above identity recognition module comprises: a comparison unit configured to compare the voiceprint A and the voiceprint B by noise reduction, encryption, voiceprint extraction, and voiceprint matching operations. Of course, the method of contrasting voiceprint is not limited to this, as long as the voiceprint contrast can be accurately and reasonably realized.

Preferably, the first obtaining unit includes: a first acquiring subunit, configured to request the user to read or answer a random question according to the operation voice prompt according to the IVR operation, thereby obtaining the user voiceprint A;

The second obtaining module 20 includes: an outbound call unit configured to: call the user after receiving the identity verification request; and the second acquiring unit, configured to acquire the user voiceprint B based on the IVR operation.

Preferably, the second obtaining unit includes: a second acquiring subunit configured to request the user to read or answer a random question according to the operation voice prompt based on the IVR operation, thereby obtaining the user voice B.

The following describes a voiceprint recognition system for implementing the technical solution of the present invention. To implement the above invention, a schematic diagram of a network element module of the voiceprint recognition system shown in FIG. 6 includes, but is not limited to, the following network element modules:

User: The business user is the business service object.

Terminal application: Application software for mobile network transactions on mobile communication devices such as mobile phones and pads used by users.

Intelligent network service: Through the service switching point (SSP, Servcie Switch Point): Provides access to the intelligent network function set, triggers the intelligent network service according to the called number of the user; through the service control point (SCP, Service Control Point) implements call control processing, and the business logic loaded thereon is an IVR value-added service application that implements voiceprint acquisition and voiceprint recognition.

The media server (MS, Media Server): Receives service requests, provides operations such as playback, recording, and dual-tone multi-frequency (DTMF), and reports the corresponding operation results to the intelligent network service.

Voiceprint recognition module: Responsible for processing voice-related algorithms including noise reduction, encryption, voiceprint extraction, and voiceprint matching.

Other IVR services: including but not limited to bank independent voice service systems, IVR service interaction services.

The voiceprint acquisition process is described below based on the above system. FIG. 7 is a schematic diagram of a voiceprint acquisition process according to an embodiment of the present invention. As shown in FIG. 7, the process includes the following steps:

Step S1101: The user dials a broadband service access code through the terminal.

Step S1102: The broadband network SSP triggers the corresponding broadband service (voiceprint identification service).

Step S1103: The service performs business logic function processing, and processes the IVR operation.

Step S1104: Acquire data related to IVR operation (for example, a playback scene, control parameters, etc.). Step S1105: The IVR operation module instructs the MS to perform IV operations (playing, recording, DTMF, etc.).

Step S1106: Acquire a user recording, and the IVR operation ends.

Step S1107: The IV result processing module returns the IVR operation result (recording result) to the IVR operation request service, and if it succeeds, executes S1108, and if it fails, executes S1110.

Step S1108: Release the broadband service call.

Step S1109: The service continues the subsequent processing of the IVR operation, stores the recording to the voiceprint recognition module, and associates with the user.

Step S1110: The intelligent network service ends.

The voiceprint recognition process is described below based on the above system. Figure 8 is a representation of the present invention A schematic diagram of the voiceprint recognition process of the embodiment, as shown in FIG. 8, the process includes the following steps: Step S1201: The user initiates an identity authentication request through the terminal.

Step S1202: The terminal connects to the intelligent network service by using the SSP, and accesses the user number by means of message access.

Step S1203: The intelligent network service calls the user through the SSP, returns a result (whether or not it is called), and performs S1204 for interworking, otherwise, executes S1216.

Step S1204: The user connects to the service, and the service performs the business logic function processing, and processes the IV operation.

Step S1205: Acquire IV operation related data (such as a playback scene, control parameters, etc.). Step S1206: The IV operation module instructs the MS to perform IV operations (playing, recording, DTMF, etc.).

Step S1207: Acquire a user recording, and the IVR operation ends.

Step S1208: The IV result processing module returns the IVR operation result (recording result) to the IVR operation request service, and if successful, executes S1209, and if it fails, executes S1216.

Step S1209: Release the broadband service call.

Step S1210: The service continues with the subsequent processing of the IVR operation, and the recording is recorded to the voiceprint recognition module. Step S1211: The voiceprint recognition mode extracts the voiceprint associated with the user before returning the extraction result, and if successful, executes S1212, and if it fails, executes S1214.

Step S1212: The voiceprint recognition module performs voiceprint recognition, and returns the recognition result to the intelligent service. Step S1213: The intelligent service returns the authentication result to the user terminal, and executes S1216.

Step S1214: Returning the associated voiceprint acquisition failure to the intelligent network service.

Step S1215: The intelligent network service sends a message prompting the user to input the voiceprint to the user terminal. Step S1216: The intelligent network service ends.

In summary, the above method and system of the embodiments of the present invention can fully utilize the advantages of the broadband intelligent network, and realize the voiceprint identity authentication by the IVR control user by using the media server. The effective business IVR operation is simple and usable, improving the quality of business services and better meeting customer needs. On the other hand, the reliability of the authentication process and the accuracy of the identification are enhanced. Third, improve the security of the user terminal application and enhance the credibility of the user application in the user group. Fourth, it can speed up business development and provide operators with a consumer interface.

The embodiment of the invention further describes a storage medium, wherein the storage medium stores a computer program, and the computer program is configured to execute the identification method of the foregoing embodiments.

As can be seen from the above description, the embodiment of the present invention solves the problem that the voiceprint recognition technology lacks an efficient and reliable control implementation method in the mobile payment field in the related art. It can effectively realize terminal-to-server control and data collection through telephone, combine operator intelligent service with terminal transaction APP software, avoid phishing websites and viruses from illegally obtaining user information, and provide reliable for realizing high-value transactions on mobile Internet. Identity authentication environment. At the same time, combined with voiceprint recognition, it provides reliability and unique identity authentication. According to the phone prompt, the user performs operations such as voice recording and identity authentication, and the interaction process is friendly and safe.

While the preferred embodiments of the present invention have been disclosed for purposes of illustration, those skilled in the art will recognize that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.

Industrial applicability

The invention can effectively realize terminal-to-server control and data collection through telephone, combine operator intelligent service with terminal transaction APP software, avoid phishing websites and viruses illegally obtaining user information, and provide high-value transaction on mobile internet. A reliable authentication environment. At the same time, it combines voiceprint recognition to provide more reliable and unique identity authentication. According to the telephone prompt, the user performs operations such as voiceprint entry and identity authentication, and the interaction process is friendly and secure.

Claims

claims

1. An identity identification method, applied to intelligent network services, including:

During the user registration process, obtain user voiceprint A;

When the user conducts business transactions, obtain the user's voiceprint B;

By comparing the voiceprint A and the voiceprint B, the user's identity is recognized.

2. The method according to claim 1, wherein during the user registration process, obtaining the user's voiceprint A includes:

During the user registration process, access the user;

Based on the interactive voice response system IVR operation, obtain the user's voiceprint A;

Through encryption and compression operations, the data of the voiceprint A is saved into the database.

3. The method of claim 1, wherein when the user conducts business transactions, obtaining the user's voiceprint B includes:

After receiving the authentication request, make an outbound call to the user;

Based on the IVR operation, the user's voiceprint B is obtained.

4. The method of claim 2 or 3, wherein, based on the IVR operation, obtaining the user's voiceprint includes:

Based on the IVR operation, the user is requested to read or answer random questions according to the operation voice prompts, and thereby obtain the user's voiceprint.

5. The method of claim 1, wherein comparing the voiceprint A and the voiceprint B is achieved through the following steps:

Through noise reduction, encryption, voiceprint extraction, and voiceprint matching operations, the voiceprint A and the voiceprint B are compared.

6. The method of claim 1, wherein, after performing user identity recognition by comparing the voiceprint A and the voiceprint B, the method further includes:

Users who have passed identity authentication conduct business transactions; users who have not passed identity authentication are denied entry. Conduct business transactions.

7. The method of claim 1, wherein the intelligent network service provides access to the intelligent network function set through the service switching point SSP, and the intelligent network service is initiated according to the called number of the user; the intelligent network service is provided through the service switching point SSP. The service control point SCP implements call control processing; wherein, the business logic loaded on the SCP is an IVR value-added service application that implements voiceprint acquisition and voiceprint recognition.

8. An identity recognition device, the device is used in intelligent network services, including:

The first acquisition module is configured to acquire the user's voiceprint A during the user registration process;

The second acquisition module is configured to acquire the user's voiceprint B when the user pre-conducts a business transaction; the identity recognition module is configured to perform user identity recognition by comparing the voiceprint A and the voiceprint B.

9. The device according to claim 8, wherein the first acquisition module includes: an access unit configured to access the user during the user registration process;

The first acquisition unit is configured to operate based on the interactive voice response system IVR, and acquires the user's voiceprint A;

The saving unit is configured to save the data of the voiceprint A into the database through encryption and compression operations.

10. The device of claim 8, wherein the second acquisition module includes: an outbound call unit configured to make an outbound call to the user after receiving an identity verification request; a second acquisition unit configured to make an outbound call based on the identity verification request. Describe the IVR operation to obtain user voiceprint B.

11. The device according to claim 8, wherein the identity recognition module includes: a comparison unit configured to compare the voiceprint A and the voiceprint B through noise reduction, encryption, voiceprint extraction, and voiceprint matching operations.

12. A storage medium, a computer program is stored in the storage medium, and the computer program is configured to execute the identity recognition method described in any one of claims 1 to 7.