CN105825553A - Voice print verifying method and system - Google Patents
Voice print verifying method and system Download PDFInfo
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- CN105825553A CN105825553A CN201610380827.9A CN201610380827A CN105825553A CN 105825553 A CN105825553 A CN 105825553A CN 201610380827 A CN201610380827 A CN 201610380827A CN 105825553 A CN105825553 A CN 105825553A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012795 verification Methods 0.000 claims abstract description 43
- 230000001755 vocal effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- 230000017105 transposition Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000000205 computational method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B11/00—Apparatus for validating or cancelling issued tickets
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
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Abstract
The invention discloses a voice print verifying method .The method comprises the following steps that a service operation request with a service type is sent; the service operation request is converted into a voice print verifying instruction with verifying voice data; voice data input according to the voice print verifying instruction and the ID of a group needing to be searched for are obtained; voice print information is generated according to the voice data; the voice print information and reference voice print information are recognized one by one, and the similarity value of each reference voice print is obtained; the reference voice print with the highest similarity value is selected, the highest similarity value is compared with a preset threshold value, and if the highest similarity value is smaller than the preset threshold value, verification fails; if not, verification succeeds .The invention further discloses a voice print verifying system .By the adoption of the voice print verifying method and system, the process of checking authenticity of various credentials or bills is greatly simplified.
Description
Technical field
The invention belongs to sound groove recognition technology in e field, be specifically related to a kind of voice print verification method and system thereof.
Background technology
Tradition note validating needs artificial nucleus couple, such as train ticket ticket checking, need the ticket checking of staff elder generation, test identity card, contrast identity card picture and face the most again, and then determining whether the ticket owner, proof procedure is wasted time and energy, in the case of, amount many especially for people is big, there will be owing to ticket checking efficiency is low, the problem that the crowd caused blocks up.Simultaneously, along with the development of science and technology, high-tech forgery technology, the problem that proof procedure safety is the highest is caused.
Summary of the invention
In order to solve the problems referred to above, the first object of the present invention provides a kind of voice print verification method, enormously simplify the flow process needing to check the verity of various certificate or bill.
For achieving the above object, the present invention is achieved by techniques below scheme:
Voice print verification method of the present invention, comprises the steps:
Send the business operation request carrying type of service；
Be converted to carry the voice print verification instruction of checking language material according to the request of described business operation；
Obtain the voice data inputted according to voice print verification instruction and the ID of the group required to look up；
Voiceprint is generated according to described voice data；
Described voiceprint is identified one by one with reference to voiceprint, obtains and each is with reference to the similarity score between vocal print；
Choose the reference vocal print that similarity score is the highest, and the size of form degree score value the highest described in comparing and predetermined threshold value, if the highest form degree score value is less than predetermined threshold value, then authentication failed；Otherwise, it is proved to be successful.
Further, the formula that described similarity score uses is:
Wherein, described w1 and w2 is authentication vector；T is vector transposition.
Further, described with reference to the voiceprint that voiceprint is all validated users prestored in described group corresponding for group ID.
Further, described type of service represents the Authentication-Type of bill, including: the checking of ticket, the checking of admission ticket；The request of described business operation represents the checking request of bill.
Further, described group is the isolated user group set up according to the difference of type of service；The ID of described group is then the coding that described isolated user group is corresponding.
In order to solve the problems referred to above, the second object of the present invention provides a kind of voiceprint verification system, has the function that automatization checks the verity of various certificates or bill, enormously simplify the flow process of existing hand inspection, improve inspection efficiency.
For achieving the above object, the present invention is achieved by techniques below scheme:
Voiceprint verification system of the present invention, including:
The Application on Voiceprint Recognition server of communication connection and Application on Voiceprint Recognition client.
Further, described Application on Voiceprint Recognition client includes that the first sending module, the first receiver module, the first acquisition module and first submit module to；Described first sending module is for sending the business operation request carrying type of service to described Application on Voiceprint Recognition server；Described first receiver module asks the voice print verification being converted to carry checking language material to instruct for receiving described Application on Voiceprint Recognition server by stating business operation；Described first acquisition module is for the voice data obtained according to voice print verification instruction input and the ID of the group required to look up；Described first submits to module for submitting described voice data to and requiring to look up the ID of group to Application on Voiceprint Recognition server.
Further, described Application on Voiceprint Recognition server includes that the second receiver module, the second sending module, the 3rd receiver module, the first generation module, the first identification module and first determine module；Described second receiver module is used for receiving the request of described business operation；Described second sending module carries the voice print verification instruction of checking language material described in send；Described 3rd receiver module is for receiving described voice data and the ID of group required to look up；Described first generation module is for generating voiceprint by described voice data；Described first identification module is for identifying described voiceprint one by one with reference to voiceprint, and obtains the similarity score between each reference vocal print；Described first determine module for choosing the reference vocal print that similarity score is the highest, and the size of form degree score value the highest described in comparing and predetermined threshold value, if the highest form degree score value is less than predetermined threshold value, then authentication failed；Otherwise, it is proved to be successful.
Further, the formula that described similarity score uses is:
Wherein, described w1 and w2 is authentication vector；T is vector transposition.
Further, described with reference to the voiceprint that voiceprint is all validated users prestored in described group corresponding for group ID.
Compared with prior art, the invention has the beneficial effects as follows:
Voice print verification method of the present invention, make use of the feature of vocal print uniqueness and stability, can well solve the problem complicated about authentication flow process.In operating process, have only to user carrying out business operation when, first register the sound-groove model of oneself, afterwards when verifying whether someone bought a certain service, have only to read, facing to Application on Voiceprint Recognition client, the text needed, Application on Voiceprint Recognition server carries out vocal print differentiation, it is possible to identifies the identity of this person, and finds whether this identity ID bought this service.Thus greatly simplified and some business scenario needs check various certificate and bill and true and false property etc. Complicated Flow.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail, wherein:
Fig. 1 is the flow chart of voice print verification method of the present invention；
Fig. 2 is the flow chart registering expectation in voice print verification method of the present invention；
Fig. 3 is the flow chart identifying, determining in voice print verification method of the present invention
Fig. 4 is the principle framework figure of voiceprint verification system of the present invention；
Fig. 5 is the principle framework figure of Application on Voiceprint Recognition client in voiceprint verification system of the present invention；
Fig. 6 is the principle framework figure of Application on Voiceprint Recognition server in voiceprint verification system of the present invention.
In figure:
1: Application on Voiceprint Recognition client
11: the first sending module 12: the first receiver module 13: the first acquisition modules 14: the first submit module to
2: Application on Voiceprint Recognition server
21: the second receiver module 22: the second sending module 23: the three receiver module 24: the first generation modules
25: the first identification modules 26: the first determine module
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention.
As it is shown in figure 1, voice print verification method of the present invention, it is the feature utilizing vocal print uniqueness and stability, well solves the problem complicated about authentication flow process.
Concrete implementation process such as following steps:
S01: send the business operation request carrying type of service；
Described type of service represents the Authentication-Type of bill, including: the checking of ticket, the checking of admission ticket；Being not limited only to this, as long as needing to verify the business of identity, broadly falling into the category of protection.The request of described business operation represents the checking request of bill.
S02: be converted to carry the voice print verification instruction of checking language material according to the request of described business operation；
S03: obtain the voice data inputted according to voice print verification instruction and the ID of the group required to look up；
Described group is the isolated user group set up according to the difference of type of service；
The ID of described group is then the coding that described isolated user group is corresponding.
S04: generate voiceprint according to described voice data；
S05: identified one by one with reference to voiceprint by described voiceprint, obtains and each is with reference to the similarity score between vocal print；
The computational methods of similarity can use any Application on Voiceprint Recognition computational methods, includes but not limited to GMM model, iVector etc..As a example by iVector, each user has the iVector of correspondence, the voice got is converted into iVector by server, then the iVector with reference compares, multiple technologies can be had to compare, include but not limited to cosine method (Cosine), probability linear analysis method (ProbabilisticLinearDiscriminantAnalysis, PLDA) etc..As a example by cosine method, for two iVector, w obtaining1And w2, its Similarity Measure mode following (wherein T represents vector transposition):
S06: choose the reference vocal print that similarity score is the highest, and the size of form degree score value the highest described in comparing and predetermined threshold value, if the highest form degree score value is less than predetermined threshold value, then authentication failed；Otherwise, it is proved to be successful, the most as shown in Figure 3.It is proved to be successful to represent and has corresponding user in corresponding group, thus be identified through.
Voice print verification method of the present invention, have only to user carrying out business operation when, first register the sound-groove model of oneself, the most as shown in Figure 2, afterwards when verifying whether someone bought a certain service, having only to read, facing to customer side system, the text needed, server carries out vocal print and differentiates the identity that just can identify this person, and finds whether this identity ID bought this service.Thus greatly simplified and some business scenario needs check various certificate and bill and true and false property etc. Complicated Flow.
As shown in Figure 4, Figure 5 and Figure 6, voiceprint verification system of the present invention, including Application on Voiceprint Recognition server 2 and the Application on Voiceprint Recognition client 1 of communication connection.Wherein, described Application on Voiceprint Recognition client 1 can be common desktop computer, notebook computer, mobile phone, panel computer, the intelligence equipment such as wearable device, embedded device.Described Application on Voiceprint Recognition client 1 can be run the internet, applications of at least one type, include but not limited to: game application, electricity business's application etc..Application on Voiceprint Recognition server 2 refers to the background server of internet, applications, for processing the internet, applications various demands during realizing corresponding function, and can be used for the relevant information to the user in internet, applications.
Described Application on Voiceprint Recognition client 1 includes that first sending module the 11, first receiver module the 12, first acquisition module 13 and first submits module 14 to.
Described first sending module 11 is for sending the business operation request extremely described Application on Voiceprint Recognition server 2 carrying type of service, and described type of service represents the Authentication-Type of bill, including: the checking of ticket, the checking of admission ticket；The request of described business operation represents the checking request of bill.Described first receiver module 12 services 2 devices will state business operation request and be converted to carry the voice print verification instruction of checking language material for receiving described Application on Voiceprint Recognition；Described first acquisition module 13 is for the voice data obtained according to voice print verification instruction input and the ID of the group required to look up, and described group is the isolated user group set up according to the difference of type of service；The ID of described group is then the coding that described isolated user group is corresponding.Described first submits to module 14 for submitting described voice data to and requiring to look up the ID of group to Application on Voiceprint Recognition server 2.
Described Application on Voiceprint Recognition server 2 includes that second receiver module the 21, second sending module the 22, the 3rd receiver module the 23, first generation module the 24, first identification module 25 and first determines module 26.Described second receiver module 21 is used for receiving the request of described business operation；Described second sending module 22 carries the voice print verification instruction of checking language material described in send；Described 3rd receiver module 23 is for receiving described voice data and the ID of group required to look up；Described first generation module 24 is for generating voiceprint by described voice data；Described first identification module 25 is for identifying described voiceprint one by one with reference to voiceprint, and obtains the similarity score between each reference vocal print；Described first determine module 26 for choosing the reference vocal print that similarity score is the highest, and the size of form degree score value the highest described in comparing and predetermined threshold value, if the highest form degree score value is less than predetermined threshold value, then authentication failed；Otherwise, it is proved to be successful.
The computational methods of similarity can use any Application on Voiceprint Recognition computational methods, includes but not limited to GMM model, iVector etc..As a example by iVector, each user has the iVector of correspondence, the voice got is converted into iVector by server, then the iVector with reference compares, multiple technologies can be had to compare, include but not limited to cosine method (Cosine), probability linear analysis method (ProbabilisticLinearDiscriminantAnalysis, PLDA) etc..As a example by cosine method, for two iVector, w obtaining1And w2, its Similarity Measure mode following (wherein T represents vector transposition):
The above, it it is only presently preferred embodiments of the present invention, not the present invention is made any pro forma restriction, therefore it is every without departing from technical solution of the present invention content, any amendment, equivalent variations and the modification made above example according to the technical spirit of the present invention, all still falls within the range of technical solution of the present invention.
Claims (10)
1. a voice print verification method, it is characterised in that comprise the steps:
Send the business operation request carrying type of service；
Be converted to carry the voice print verification instruction of checking language material according to the request of described business operation；
Obtain the voice data inputted according to voice print verification instruction and the ID of the group required to look up；
Voiceprint is generated according to described voice data；
Described voiceprint is identified one by one with reference to voiceprint, obtains and each is with reference to the similarity score between vocal print；
Choose the reference vocal print that similarity score is the highest, and the size of form degree score value the highest described in comparing and predetermined threshold value, if the highest form degree score value is less than predetermined threshold value, then authentication failed；Otherwise, it is proved to be successful.
Voice print verification method the most according to claim 1, it is characterised in that:
The formula that described similarity score uses is:
Wherein, described w1 and w2 is authentication vector；T is vector transposition.
Voice print verification method the most according to claim 1, it is characterised in that:
Described with reference to the voiceprint that voiceprint is all validated users prestored in described group corresponding for group ID.
Voice print verification method the most according to claim 1, it is characterised in that:
Described type of service represents the Authentication-Type of bill, including: the checking of ticket, the checking of admission ticket；
The request of described business operation represents the checking request of bill.
Voice print verification method the most according to claim 4, it is characterised in that:
Described group is the isolated user group set up according to the difference of type of service；
The ID of described group is then the coding that described isolated user group is corresponding.
6. a voiceprint verification system, it is characterised in that including:
The Application on Voiceprint Recognition server of communication connection and Application on Voiceprint Recognition client.
Voiceprint verification system the most according to claim 6, it is characterised in that:
Described Application on Voiceprint Recognition client includes that the first sending module, the first receiver module, the first acquisition module and first submit module to；
Described first sending module is for sending the business operation request carrying type of service to described Application on Voiceprint Recognition server；
Described first receiver module asks the voice print verification being converted to carry checking language material to instruct for receiving described Application on Voiceprint Recognition server by stating business operation；
Described first acquisition module is for the voice data obtained according to voice print verification instruction input and the ID of the group required to look up；
Described first submits to module for submitting described voice data to and requiring to look up the ID of group to Application on Voiceprint Recognition server.
Voiceprint verification system the most according to claim 7, it is characterised in that:
Described Application on Voiceprint Recognition server includes that the second receiver module, the second sending module, the 3rd receiver module, the first generation module, the first identification module and first determine module；
Described second receiver module is used for receiving the request of described business operation；
Described second sending module carries the voice print verification instruction of checking language material described in send；
Described 3rd receiver module is for receiving described voice data and the ID of group required to look up；
Described first generation module is for generating voiceprint by described voice data；
Described first identification module is for identifying described voiceprint one by one with reference to voiceprint, and obtains the similarity score between each reference vocal print；
Described first determine module for choosing the reference vocal print that similarity score is the highest, and the size of form degree score value the highest described in comparing and predetermined threshold value, if the highest form degree score value is less than predetermined threshold value, then authentication failed；Otherwise, it is proved to be successful.
Voiceprint verification system the most according to claim 8, it is characterised in that:
The formula that described similarity score uses is:
Wherein, described w1 and w2 is authentication vector；T is vector transposition.
Voiceprint verification system the most according to claim 8, it is characterised in that:
Described with reference to the voiceprint that voiceprint is all validated users prestored in described group corresponding for group ID.
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Cited By (6)
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| CN106645409A (en) * | 2016-12-29 | 2017-05-10 | 北京旷视科技有限公司 | Document authenticity identifying method and device |
| CN107993662A (en) * | 2017-12-20 | 2018-05-04 | 广州势必可赢网络科技有限公司 | User identity identification method and device applied to telephone customer service |
| CN108039177A (en) * | 2017-12-20 | 2018-05-15 | 广州势必可赢网络科技有限公司 | User identity verification method and device for network real-name ticket purchasing |
| CN109448731A (en) * | 2018-11-20 | 2019-03-08 | 北京网众共创科技有限公司 | Comparison method and device, storage medium, the electronic device of voiceprint |
| CN112951247A (en) * | 2021-03-23 | 2021-06-11 | 上海掌数科技有限公司 | Method for quickly verifying voiceprint based on application scene and application thereof |
| CN114387085A (en) * | 2022-01-12 | 2022-04-22 | 见知数据科技(上海)有限公司 | Method and device for processing pipeline data, computer equipment and storage medium |
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Application publication date: 20160803 |