CN102479512A - Voiceprint identity authentication system based on SOPC (system on programmable chip) and voiceprint identity authentication method based on SOPC - Google Patents

Voiceprint identity authentication system based on SOPC (system on programmable chip) and voiceprint identity authentication method based on SOPC Download PDF

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CN102479512A
CN102479512A CN 201010561566 CN201010561566A CN102479512A CN 102479512 A CN102479512 A CN 102479512A CN 201010561566 CN201010561566 CN 201010561566 CN 201010561566 A CN201010561566 A CN 201010561566A CN 102479512 A CN102479512 A CN 102479512A
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identity
sopc
voiceprint
unit
authentication
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CN 201010561566
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Chinese (zh)
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刘杨
王小可
王明
郭新国
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深圳市丰泰瑞达实业有限公司
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Abstract

The invention provides a voiceprint identity authentication system based on an SOPC (system on a programmable chip), which comprises an RFID (radio frequency identification) electronic tag, an RFID reader, a voice input unit, an admission control unit and the SOPC, wherein the SOPC is connected with the RFID reader, the voice input unit and the admission control unit and used for recognizing identity codes and voiceprint features of users and controlling the admission control unit. By the aid of the SOPC, the voiceprint identity authentication system based on the SOPC recognizes the identity codes and the voiceprint features of the users, judges whether the users are valid or not and then correspondingly controls the admission control unit, so that safety of identity authentication is enhanced. The invention further provides a voiceprint identity authentication method based on the SOPC.

Description

基于SOPC的声纹身份验证系统及其方法 And verification system based on the identity of the SOPC voiceprint

技术领域 FIELD

[0001] 本发明属于安全领域,特别涉及一种基于SOPC的声纹身份验证系统及其方法。 [0001] The present invention belongs to the field of security, in particular to a SOPC based on voiceprint authentication system and a method. 背景技术 Background technique

[0002] 现有的身份验证系统是采用“身份证件”加“输入密码”等静态口令的方式进行验证,如ATM机的用户必须提供银行卡号与密码。 [0002] The conventional authentication system is a "identity" plus "password" and static password authentication manner, as the user must provide an ATM bank card number and password. 然而采用这种方式很容易因为密码泄漏而存在很大的安全隐患。 However, in this way it is easy because the password leak and there is a big security risk.

发明内容 SUMMARY

[0003] 本发明实施例的目的在于提供一种基于SOPC的声纹身份验证系统及其方法,旨在解决现有的身份验证存在安全隐患的问题。 [0003] The object of embodiments of the present invention to provide a SOPC based on voiceprint authentication system and method to solve the problems of the prior authentication of security risk.

[0004] 本发明实施例是这样实现的,一种基于SOPC的声纹身份验证系统,包括: [0004] Embodiments of the invention are achieved in a SOPC voiceprint authentication systems, including those based on:

[0005] RFID电子标签,用于发出具有标识号码信息的无线射频信号; [0005] RFID tag, for emitting radio frequency signals having identification number information;

[0006] RFID阅读器,用于接收RFID电子标签的无线射频信号并对无线射频信号进行解码,得到对应的标识号码; [0006] RFID reader for radio frequency signals received RFID tags and radio frequency signal is decoded to obtain a corresponding identification number;

[0007] 声音输入单元,用于接收用户发出的声音信号; [0007] The sound input unit, for receiving sound signals sent by the user;

[0008] 准入控制单元•'及 [0008] The admission control unit • 'and

[0009] 可编程芯片系统(SOPC),所述可编程芯片系统(SOPC)与RFID阅读器、声音输入单元及准入控制单元均相连,所述可编程芯片系统(SOPC)用于识别用户的标识号码及声纹特征,并结合标识号码及声纹特征判断此用户是否为合法用户,若此用户为合法用户,可编程芯片系统(SOPC)则开启准入控制单元,否则不开启准入控制单元。 [0009] Programmable Chip (SOPC) design, the programmable chip (SOPC) design with an RFID reader, a voice input unit, and admission control units are connected to the programmable chip (SOPC) design for identifying the user voiceprint identification number and, combined with the identification number and the user voiceprint feature judging whether a legitimate user, if this user is a legitimate user, a programmable chip (SOPC) design admission control unit is turned on, otherwise it does not open the access control unit.

[0010] 本发明实施例还提供一种基于SOPC的声纹身份验证方法,包括以下步骤: [0010] Embodiments of the invention further provides a process for voiceprint authentication based SOPC, comprising the steps of:

[0011] 系统初始化,等待用户刷卡; [0011] system initialization, the card waits for the user;

[0012] 识别用户的RFID电子标签的标识号码; [0012] RFID tag identification number identifying a user;

[0013] 判断RFID电子标签的标识号码是否合法;[0014] 若RFID电子标签的标识号码合法,则识别用户的声纹特征; [0013] Analyzing the identification number of the RFID tag is legitimate; [0014] If the identification number of the RFID tag valid, the user identification voiceprint features;

[0015] 根据识别用户的声纹特征判断此用户是否为合法用户; [0015] determines whether the user is a legitimate user based on the user's voiceprint feature recognition;

[0016] 若此用户为合法用户,则开启准入控制单元。 [0016] If this user as a legitimate user, the admission control unit turns on.

[0017] 本发明基于SOPC的声纹身份验证系统及其方法通过可编程芯片系统(SOPC)识别用户的标识号码及声纹特征,判断该用户是否为合法用户并对应控制准入控制单元,增强了身份验证的安全性。 [0017] The present invention SOPC voiceprint authentication system and method thereof based on the identification number and the user voiceprint features identified by a programmable system on a chip (SOPC), determines whether the user is a legitimate user admission control unit and the corresponding control, enhanced the security authentication.

附图说明 BRIEF DESCRIPTION

[0018] 图1是本发明实施例提供的基于SOPC的声纹身份验证系统的方框示意图。 [0018] FIG. 1 is a block diagram based SOPC voiceprint authentication system according to an embodiment of the present invention.

[0019] 图2是图1中RFID识别单元的方框示意图。 [0019] FIG. 2 is a block diagram of the RFID identification unit of FIG.

[0020] 图3是图1中声纹识别单元的方框示意图。 [0020] FIG. 3 is a block diagram voiceprint identification unit 1 in FIG.

4[0021] 图4是本发明实施例提供的基于SOPC的声纹身份验证方法的流程图。 4 [0021] FIG. 4 is a flowchart illustrating SOPC voiceprint authentication method according to an embodiment of the present invention.

[0022] 图5是图4中识别用户的声纹特征的流程图。 [0022] FIG. 5 is a flowchart voiceprint features of the user identified in Figure 4.

具体实施方式 detailed description

[0023] 为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。 [0023] To make the objectives, technical solutions and advantages of the present invention will become more apparent hereinafter in conjunction with the accompanying drawings and embodiments of the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention.

[0024] 请参考图1,本发明实施例提供一种基于SOPC的声纹身份验证系统,包括可编程芯片系统(System On Programmable Chip, SOPC) 100、无线射频识别(Radio Frequency Identification, RFID)电子标签200、RFID阅读器300、声音输入单元400及准入控制单元500。 [0024] Please refer to FIG 1, an embodiment of the present invention, there is provided a SOPC voiceprint authentication system, including 100, programmable RFID chip system (System On Programmable Chip, SOPC) (Radio Frequency Identification, RFID) Electronic tag 200, RFID reader 300, a sound input unit 400 and access control unit 500.

[0025] RFID电子标签200佩戴于用户身上,RFID电子标签200用于发出具有标识号码(Identity, ID)信息的无线射频信号。 [0025] RFID tag 200 worn on the user's body, RFID Transponder 200 for emitting radio frequency signals has an identification number (Identity, ID) information.

[0026] RFID阅读器300、声音输入单元400及准入控制单元500均与可编程芯片系统(SOPC) 100 相连。 [0026] RFID reader 300, a sound input unit 400 and access control unit 500 are connected with a programmable system on a chip (SOPC) 100.

[0027] RFID阅读器300用于接收RFID电子标签200的无线射频信号并对无线射频信号进行解码,以得到对应的ID;声音输入单元400用于接收用户发出的声音信号;可编程芯片系统(SOPC) 100用于识别用户的ID及用户的声纹特征,并结合用户的ID及声纹特征判断此用户是否为合法用户;若此用户为合法用户,可编程芯片系统(SOPC)IOO则开启准入控制单元500,否则不开启准入控制单元500。 [0027] RFID reader 300 for receiving radio frequency signals to the RFID tag 200 and radio frequency signal is decoded to obtain the corresponding ID; sound input unit 400 for receiving a voice signal sent by a user; programmable chip ( SOPC) 100 voiceprint features and user ID for identifying a user, and binding ID and the user voiceprint features determines whether the user is a legitimate user; if this user as a legitimate user, programmable-chip (SOPC) IOO the opening admission control unit 500, or not open access control unit 500.

[0028] 可编程芯片系统(SOPC) 100包括RFID识别单元110、声纹识别单元120及判断单元130。 [0028] The programmable-chip (SOPC) 100 includes a RFID recognition unit 110, voiceprint recognition unit 120 and the determination unit 130.

[0029] 请参考图2,RFID识别单元110包括ID数据库111及匹配模块112。 [0029] Please refer to FIG 2, RFID identification unit 110 includes an ID database 111 and matching module 112. ID数据库111中预先存储有合法用户的ID,匹配模块112用于将RFID阅读器300输出的ID与ID数据库111中的ID进行比对。 ID database 111 previously stores a valid user ID, the ID matching module 112 to the database 111 the ID of the RFID reader 300 outputs the ID for comparison. 若RFID阅读器300输出的ID在ID数据库111中,从而识别该用户的ID。 If the ID of the RFID reader 300 outputs the ID database 111 to identify the user's ID.

[0030] 请参考图3,声纹识别单元120包括预处理模块121、特征提取模块122、模板数据库123、匹配计算模块IM及判断模块125。 [0030] Please refer to FIG. 3, the voiceprint identification unit 120 includes a preprocessing module 121, feature extraction module 122, a template database 123, matching calculation module and a determining module 125 IM.

[0031] 特征提取模块122与预处理模块121、模板数据库123及匹配计算模块IM均相连,匹配计算模块1¾与模板数据库123及判断模块125均相连。 [0031] The preprocessing module 122 and feature extraction 121, the template matching module database 123 and are connected to a calculation module IM, 1¾ matching calculation module 123 and the template database 125 are connected to the determining module.

[0032] 预处理模块121用于对声音输入单元400输出的声音信号进行预处理,如滤波、采样、量化、分帧及加窗等。 [0032] The preprocessing module 121 for an audio signal sound input unit 400 outputs the preprocessing, such as filtering, sampling, quantizing, framing and windowing the like.

[0033] 特征提取模块122用于提取用户的声纹特征,如频谱、倒频谱、共振峰、基音、反射系数等。 Voiceprint feature module 122 for extracting the user [0033] The feature extraction, such as spectrum, cepstrum, formant pitch, the reflection coefficient.

[0034] 模板数据库123中预先存储有特征提取模块122提取的合法用户的声纹特征参数。 [0034] The template database 123 previously stores voiceprint feature extraction module 122 extracts feature parameters of legitimate users.

[0035] 匹配计算模块IM将特征提取模块122提取的声纹特征与模板数据库123中的声纹特征参数进行计算并对比,其具体方法可以为距离判别法等。 [0035] The matching calculation module IM characteristic feature extraction module 122 extracts voiceprint parameters voiceprint feature database 123 the template is calculated and compared, the method may be a specific distance discriminant method.

[0036] 判断模块125根据匹配计算模块124的对比结果判断该用户是否为合法用户。 [0036] The determining module 125 determines whether the user is a legitimate user based on comparison results in the matching calculation module 124. [0037] 判断单元130结合RFID识别单元110及声纹识别单元120的识别结果控制准入控制单元500开启或不开启。 [0037] determination unit 130 in conjunction with RFID identification unit 110 and a recognition result voiceprint identification unit 120 controls admission control unit 500 is turned on or not turned on.

[0038] 本发明基于SOPC的声纹身份验证系统通过将RFID识别单元110、声纹识别单元120及判断单元130集成于可编程芯片系统(SOPC) 100中,RFID识别单元110识别用户的ID,声纹识别单元120识别用户的声纹特征,判断单元130结合RFID识别单元110及声纹识别单元120的识别结果控制准入控制单元500开启或不开启,增强了身份验证的安全性。 [0038] The present invention SOPC voiceprint authentication system by 110, 100, 110 identifies the user ID of the RFID identification means integrated in a programmable system on a chip (SOPC) voiceprint identification RFID identification unit 120 and the judging unit 130 unit, 120 voiceprint identifying the user voiceprint identification means, the recognition result determining unit 130 is coupled RFID recognition unit 110 and voice print recognition unit 120 controls the admission control unit 500 is turned on or not turned on, to enhance the security of the authentication.

[0039] 进一步地,基于SOPC的声纹身份验证系统还包括与可编程芯片系统(SOPC) 100相连的存储器600,用于存储对用户进行身份验证的记录,以备后续查看。 [0039] Further, based SOPC voiceprint authentication system further includes a memory coupled to the programmable-chip (SOPC) 100 600, for storing recording authenticate the user, for subsequent viewing.

[0040] 进一步地,基于SOPC的声纹身份验证系统还包括与可编程芯片系统(SOPC) 100相连的显示单元700,用于显示身份验证的结果及提示用户操作。 [0040] Further, SOPC voiceprint authentication system further includes a display unit connected to the programmable-chip (SOPC) 100 700, and the authentication result of a user operation for displaying prompts.

[0041] 进一步地,基于SOPC的声纹身份验证系统还包括与可编程芯片系统(SOPC) 100相连的声音输出单元800,用于发出语音信号,以提示用户操作。 [0041] Further, based SOPC voiceprint authentication system further includes a sound output unit connected to the programmable-chip (SOPC) 100 800, for a voice signal to prompt the user to operate.

[0042] 更进一步地,声音输入单元400为麦克风,所述声音输出单元800为音箱。 [0042] Further, the sound input unit 400 is a microphone, the sound output unit 800 is a speaker.

[0043] 进一步地,作为本发明基于SOPC的声纹身份验证系统的优化实施例,可编程芯片系统(SOPC)IOO具体为现场可编程门阵列(Field Programmable GateArray, FPGA),其采用Verilog HDL语言设计,并在设计过程中采用合理的流水线设计及乒乓操作,使得可编程芯片系统(SOPC) 100的运行处理速度优于现有的DSP处理平台。 [0043] Furthermore, embodiments of the present invention is optimized SOPC voiceprint authentication system based on a programmable system on a chip (SOPC) the IOO particular field programmable gate array (Field Programmable GateArray, FPGA), which employs Verilog HDL language design and use of pipeline design rational and ping-pong operation in the design process, so that a programmable chip (SOPC) design operation processing speed than the conventional DSP 100 processing platform.

[0044] 更进一步地,可编程芯片系统(SOPC) 100中的IP核为NiosII处理器,NiosII处理器采用32位的指令结构,能在高性能的Stratix或低成本的Cyclone芯片上实现,具有较多的可配置的寄存器,具有很大的扩展性。 [0044] Still further, the programmable system on a chip (SOPC) IP core processor 100 is NiosII, NiosII processor uses the 32-bit command structure, can be realized in low-cost or high-performance Stratix Cyclone chip, having more configurable register, having a great extensibility.

[0045] 进一步地,可编程芯片系统(SOPC)IOO中集成有Matlab数据处理软件,提高了可编程芯片系统(SOPC)IOO的算法的可行性及正确性。 [0045] Further, the programmable system on a chip (SOPC) IOO in Matlab integrated data processing software, programmable chip system improves the feasibility and accuracy (SOPC) IOO algorithm.

[0046] 请参考图4,本发明实施例还提供一种基于SOPC的声纹身份验证方法,包括以下步骤: [0046] Please refer to FIG 4, an embodiment of the present invention further provides a SOPC voiceprint authentication methods based, comprising the steps of:

[0047] 步骤Sl :系统初始化,等待用户刷卡。 [0047] Step Sl: system initialization, the card waits for the user. 在初始化中将之前验证过程中产生的变量恢复为默认值,以为将要进行的验证做好准备。 Variable generated from the verification process will be initialized before the return to the default value, that verification will be carried out to prepare.

[0048] 步骤S2 :识别用户的RFID电子标签200的ID。 ID identifying the user of the RFID tag 200: [0048] Step S2.

[0049] 步骤S3 :判断RFID电子标签200的ID是否合法。 [0049] Step S3: Analyzing RFID ID tag 200 is legitimate. 若合法则进入步骤S4,否则返回步骤S2。 If the legal process proceeds to step S4, otherwise it returns to step S2. 若RFID电子标签200的ID不合法,则显示其非法的ID,并发出语音“您的卡是无效的”。 If the RFID ID tag 200 is not illegal, it is illegal ID display, and a voice, "your card is not valid."

[0050] 步骤S4 :识别用户的声纹特征。 [0050] Step S4: identifying characteristics of the user's voiceprint.

[0051] 步骤S5 :判断此用户是否为合法用户。 [0051] Step S5: determining whether the user is a legal user. 若合法则进入步骤S6,否则进入步骤S7。 If the legal process proceeds to step S6, otherwise to step S7.

[0052] 步骤S6 :开启一准入控制单元。 [0052] Step S6: Open an admission control unit.

[0053] 步骤S7 :判断声纹识别失败的次数是否达到3次。 [0053] Step S7: determining the number of failed voiceprint identification has reached 3 times. 若未超过3此,则进入步骤S4, 否则进入步骤S8。 If no more than three this, then proceeds to step S4, otherwise to step S8.

[0054] 步骤S8 :停止声纹识别。 [0054] Step S8: Stop voiceprint identification.

[0055] 请参考图5,进一步地,识别用户的声纹特征的步骤S4包括: [0055] Please refer to FIG. 5, further, the step of identifying the user's voiceprint features S4 of comprising:

[0056] 步骤S41 :当RFID电子标签200的ID验证合法后,产生随机密码并显示随机密码所对应的文字内容,如“请说:芝麻开门”,同时语音提示用户发出相应的声音信号。 [0056] Step S41: When the ID verification legitimate RFID tag 200 generates a random password and displays text corresponding to the random password, such as "Please say: Open Sesame", and prompts the user to issue the appropriate voice audio signal. [0057] 步骤S42 :用户发出声音信号后,采集用户4秒的语音数据。 [0057] Step S42: after the user sends a sound signal, collecting user voice data of 4 seconds.

[0058] 步骤S43 :提取用户的声纹特征。 [0058] Step S43: extracting user's voiceprint features.

[0059] 步骤S44 :将用户的声纹特征与预先存储的声纹特征参数进行对比。 [0059] Step S44: The voiceprint characteristic parameter of the user voiceprint features are compared with previously stored.

[0060] 本发明基于SOPC的声纹身份验证系统及其方法通过将RFID识别单元110、声纹识别单元120及判断单元130集成于可编程芯片系统(SOPC) 100中,RFID识别单元110识别用户的ID,声纹识别单元120识别用户的声纹特征,判断单元130结合RFID识别单元110 及声纹识别单元120的识别结果控制准入控制单元500开启或不开启,增强了身份验证的安全性。 [0060] The present invention, by RFID identification unit 110, voiceprint recognition unit 120 and the determination unit are integrated in a programmable system on a chip (SOPC) in 100, RFID identification unit 110 identifies SOPC voiceprint authentication system and method thereof based on the user 130 the ID, 120 voiceprint identifying the user voiceprint identification means, RFID binding determination unit 130 recognition unit 110 and voice print recognition unit 120 of the result of the control or admission control unit 500 is not turned on, to enhance the security of the authentication .

[0061] 以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。 [0061] The foregoing is only preferred embodiments of the present invention but are not intended to limit the present invention, any modifications within the spirit and principle of the present invention, equivalent substitutions and improvements should be included in the present within the scope of the invention.

Claims (10)

  1. 1. 一种基于SOPC的声纹身份验证系统,其特征在于,所述基于SOPC的声纹身份验证系统包括:RFID电子标签,用于发出具有标识号码信息的无线射频信号;RFID阅读器,用于接收RFID电子标签的无线射频信号并对无线射频信号进行解码,得到对应的标识号码;声音输入单元,用于接收用户发出的声音信号;准入控制单元;及可编程芯片系统(SOPC),所述可编程芯片系统(SOPC)与RFID阅读器、声音输入单元及准入控制单元均相连,所述可编程芯片系统(SOPC)用于识别用户的标识号码及声纹特征, 并结合标识号码及声纹特征判断此用户是否为合法用户,若此用户为合法用户,可编程芯片系统(SOPC)则开启准入控制单元,否则不开启准入控制单元。 An SOPC voiceprint authentication system, characterized in that, based on the SOPC voiceprint authentication system comprising: RFID tag, for emitting radio frequency signals having identification number information; the RFID reader, with RFID tags to receiving RF signals and the RF signal is decoded, to obtain a corresponding identification number; sound input unit, for receiving sound signals sent by a user; admission control unit; and a programmable chip system (the SOPC), the programmable chip (SOPC) design with an RFID reader, a voice input unit, and admission control units are connected to the programmable chip (SOPC) design and identification number for identifying a user voiceprint features, combined with the identification number voiceprint features and determines whether the user is a legitimate user, if this user is a legitimate user, a programmable chip (SOPC) design admission control unit is turned on, otherwise it does not open the access control unit.
  2. 2.如权利要求1所述的基于SOPC的声纹身份验证系统,其特征在于,所述可编程芯片系统(SOPC)包括RFID识别单元、声纹识别单元及判断单元,所述RFID识别单元用于识别用户的标识号码,所述声纹识别单元用于识别用户的声纹特征,所述判断单元结合RFID识别单元及声纹识别单元的识别结果控制准入控制单元。 2. Based on SOPC voiceprint authentication system according to claim 1, characterized in that the programmable system on a chip (SOPC) comprises an RFID identification means, voiceprint identification unit and the judgment unit, the recognition unit with the RFID to identify a user identification number, the voiceprint identification means for identifying a user voiceprint features, the binding determining unit and a RFID recognition result of the recognition unit control unit voiceprint identification admission control unit.
  3. 3.如权利要求2所述的基于SOPC的声纹身份验证系统,其特征在于,所述RFID识别单元包括标识号码数据库及匹配模块,标识号码数据库中预先存储有合法用户的标识号码, 匹配模块用于将RFID阅读器输出的标识号码与标识号码数据库中的标识号码进行比对, 从而识别该用户的标识号码。 SOPC based voiceprint authentication system according to claim 2, wherein said identification means comprises a RFID identification number database and a matching module identification number previously stored in the database of authorized user identification numbers, the matching module for database identification number with the identification number output from the RFID reader to compare an identification number to identify the user identification number.
  4. 4.如权利要求2所述的基于SOPC的声纹身份验证系统,其特征在于,所述声纹识别单元包括预处理模块、特征提取模块、模板数据库、匹配计算模块及判断模块,所述特征提取模块与预处理模块、模板数据库及匹配计算模块均相连,所述匹配计算模块与模板数据库及判断模块均相连。 4. claimed in claim 2 characterized in SOPC voiceprint authentication system, wherein said means includes a voiceprint identification module preprocessing, feature extraction module, a template database, matching calculation module and a determining module, a extraction module and preprocessing module calculates the template matching and database modules are connected, the matching calculation module and determines the template database modules are connected.
  5. 5.如权利要求1所述的基于SOPC的声纹身份验证系统,其特征在于,所述基于SOPC的声纹身份验证系统还包括与可编程芯片系统(SOPC)相连的存储器,用于存储对用户进行身份验证的记录。 5. Based on SOPC voiceprint authentication system according to claim 1, characterized in that, based on the SOPC voiceprint authentication system further includes a memory system with a programmable chip (SOPC) is connected, for storing users authenticate records.
  6. 6.如权利要求1所述的基于SOPC的声纹身份验证系统,其特征在于,所述基于SOPC的声纹身份验证系统还包括与可编程芯片系统(SOPC)相连的显示单元,用于显示身份验证的结果及提示用户操作。 6. Based on SOPC voiceprint authentication system according to claim 1, characterized in that, based on the SOPC voiceprint authentication system further includes a display unit with a programmable system on a chip (SOPC) is connected, for displaying the results of authentication and prompts the user to operate.
  7. 7.如权利要求1所述的基于SOPC的声纹身份验证系统,其特征在于,所述基于SOPC的声纹身份验证系统还包括与可编程芯片系统(SOPC)相连的声音输出单元,用于发出语音信号以提示用户操作。 7. Based on SOPC voiceprint authentication system according to claim 1, characterized in that, based on the SOPC voiceprint authentication system further includes a sound output unit with a programmable system on a chip (SOPC) is connected to, for a voice signal to prompt a user operation.
  8. 8.如权利要求1所述的基于SOPC的声纹身份验证系统,其特征在于,所述可编程芯片系统(SOPC)为现场可编程门阵列。 SOPC based voiceprint authentication system according to claim 1, characterized in that the programmable system on a chip (SOPC) is a field programmable gate array.
  9. 9. 一种基于SOPC的声纹身份验证方法,包括以下步骤:系统初始化,等待用户刷卡;识别用户的RFID电子标签的标识号码;判断RFID电子标签的标识号码是否合法;若RFID电子标签的标识号码合法,则识别用户的声纹特征;根据识别用户的声纹特征判断此用户是否为合法用户; 若此用户为合法用户,则开启准入控制单元。 An SOPC is based on voiceprint authentication, comprising the following steps: system initialization, the card waits for the user; RFID tag identification number identifying a user; Analyzing RFID tag identification number is legitimate; RFID tag identifier if number is valid, the user's voiceprint features identified; determining whether the user is a legitimate user based on the user's voiceprint feature recognition; if this user is a legal user, the access control unit is turned on.
  10. 10.如权利要求9所述的方法,所述识别用户的声纹特征的步骤包括以下步骤: 产生随机密码并显示随机密码所对应的文字内容,提示用户发出相应的声音信号; 采集用户4秒的语音数据; 提取用户的声纹特征;将用户的声纹特征与预先存储的声纹特征参数进行对比。 10. The method according to claim 9, the identifying characteristics of the user's voiceprint comprising the steps of: generating a random password and displays text corresponding random password, the user is prompted to emit a corresponding sound signal; collecting user 4 seconds voice data; extracting a voiceprint of the user; the user's voiceprint features compared with the voiceprint characteristic parameters stored in advance.
CN 201010561566 2010-11-26 2010-11-26 Voiceprint identity authentication system based on SOPC (system on programmable chip) and voiceprint identity authentication method based on SOPC CN102479512A (en)

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