JP2013164472A - Communication device and authentication method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication device which enables, in particular, a registration operation of voiceprint data to be easily performed.SOLUTION: A communication device 10 comprises: voiceprint storage means 11 in which voiceprint data 111 for collation is stored; voice acquisition means 12 to acquire voice 121 of a communication partner; voiceprint collation means 13 to extract voiceprint data 131 from the voice 121 acquired by the voice acquisition means 12 and to collate it with the voiceprint data 111 for collation; and result notification means 14 for notification of a result of the collation in voiceprint collation means 13.

Description

  The present invention relates to a communication apparatus and an authentication method having a function capable of confirming and authenticating a communication partner.

  In recent years, nuisance calls such as “I wore” fraudulent phone calls, sales phone calls, or mischievous phone calls that have impersonated themselves have become a social problem. As a countermeasure against annoying calls by such a malicious third party, a system for authenticating a caller using a voiceprint has been developed (see Patent Document 1).

  In Patent Document 1, voice print data is acquired from a caller's voice sent to a receiver via a telephone network, and a matching result between the acquired voice print data and voice print data stored in the voice print database is sent to the receiver. Technology is disclosed. If there is no matched voiceprint data, a message that the message is not applicable is sent, which has the effect of alerting the recipient.

JP 2006-38955 A

  However, in the system of Patent Document 1, the voice print data is registered by accessing the system through the Web and the like, clearing the user authentication, calling the other party who wants to register, and storing the voice print data of the other party in the system. As a result, the operation is troublesome.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a communication device and an authentication method capable of easily registering voiceprint data.

  The communication apparatus of the present invention extracts voiceprint data from voice acquired by a voiceprint storage means storing voiceprint data for verification, voice acquisition means for acquiring the voice of a communication partner, and the verification Voice print collation means for collating with the voice print data, and result notification means for notifying the collation result of the voice print collation means.

  In one embodiment, the voiceprint data extracted by the voiceprint collating means is registered in the voiceprint storage means as collation voiceprint data.

  In a certain embodiment, the audio | voice storage means which preserve | saves the audio | voice acquired by the said audio | voice acquisition means is further provided.

  In one embodiment, the voiceprint collation unit extracts voiceprint data from the voice stored in the voice storage unit, collates it with the collation voiceprint data, and stores the collation voiceprint data and the voice storage unit. If the voiceprint data extracted from the voice does not match, the voiceprint matching means registers the voiceprint data extracted from the voice stored in the voice saving means in the voiceprint storage means as voiceprint data for matching.

  In one embodiment, the activation timing of the voiceprint collating means can be selected.

  In one embodiment, the result notification means performs notification by at least one of voice, text, light, and vibration.

  Further, the authentication method of the present invention includes a voice acquisition step for acquiring the voice of a communication partner, and voiceprint data extracted from the voice acquired in the voice acquisition step, and voiceprint storage means storing voiceprint data for verification. A voiceprint collation step for collating with the voiceprint data for collation, and a result notification step for notifying the collation result of the voiceprint collation step.

  In one embodiment, the voiceprint collation step registers the extracted voiceprint data in the voiceprint storage means as collation voiceprint data.

  In a certain embodiment, the audio | voice preservation | save step which preserve | saves the audio | voice acquired at the said audio | voice acquisition step is further included.

  In one embodiment, the voiceprint collation step is executed to extract voiceprint data from the voice stored by executing the voice storage step and collate with the voiceprint data for verification, and the voiceprint data for verification and the voiceprint data If the voiceprint data extracted from the voice stored in the voice storage means does not match, the voiceprint matching step uses the voiceprint data extracted from the voice stored by executing the voice storage step as a voiceprint for verification It is executed so as to be registered in the voiceprint storage means as data.

  In one embodiment, the execution timing of the voiceprint matching step can be selected.

  In one embodiment, the result notification step performs notification by at least one of voice, text, light, and vibration.

  According to the communication apparatus and the authentication method of the present invention, voiceprint data registration operation can be easily performed.

1 is a schematic diagram showing a configuration of a communication device 10 according to Embodiment 1 of the present invention. It is a flowchart figure explaining the authentication method performed by the communication apparatus 10 which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows the structure of 10 A of communication apparatuses which concern on Embodiment 2 of this invention. It is a flowchart figure explaining the authentication method performed by 10 A of communication apparatuses which concern on this Embodiment 2. FIG. It is a schematic diagram which shows the structure of the communication apparatus 10B which concerns on Embodiment 3 of this invention. It is a flowchart figure explaining the authentication method performed by the communication apparatus 10B which concerns on this Embodiment 3. FIG.

  Hereinafter, an embodiment of a communication device according to the present invention will be described with reference to the drawings. The embodiments of the present invention are not intended to be limited to the configurations described in the following description and drawings, and include configurations equivalent to those configurations.

<Embodiment 1>
FIG. 1 is a schematic diagram showing a configuration of a communication device 10 according to Embodiment 1 of the present invention. The communication apparatus 10 includes a voiceprint storage unit 11, a voice acquisition unit 12, a voiceprint collation unit 13, and a result notification unit 14. The communication device 10 is, for example, a mobile phone.

  Voiceprint storage means 11 stores voiceprint data. The voiceprint storage unit 11 stores verification voiceprint data 111. The voiceprint data 111 for verification may be a voiceprint by an acquaintance of the owner of the communication device 10, a person to be noted, or both. The collation voiceprint data 111 is preferably registered in the voiceprint storage unit 11 in association with personal information for identifying a communication partner. The personal information may be character information such as a relationship, name or address, or video information such as a face photograph or a moving image. For example, “mom” and “OO Taro” in the case of acquaintances, and “scammers”, “sales dealers”, or wanted photo or the like in the case of persons to be noted can be registered in the voiceprint storage means 11 in association with voiceprint data. . The personal information may be stored in the voiceprint storage unit 11 together with the voiceprint data, but may be stored in another part.

  The voiceprint storage unit 11 is a storage device that can store data. For example, the voiceprint storage unit 11 is a memory or a hard disk built in the communication device 10 or a memory card connected to the communication device 10 via an interface.

  The voice acquisition unit 12 is a unit for acquiring the voice 121 by the communication partner transmitted via the communication network.

  The voiceprint collation means 13 is a means for extracting voiceprint data from the voice and collating it with other voiceprint data. In the first embodiment, the voiceprint matching unit 13 extracts voiceprint data 131 from the voice 121 acquired by the voice acquisition unit 12 and reads the voiceprint data 111 for verification registered in the voiceprint storage unit 11 from the voiceprint storage unit 11. The voice print data 131 and the voice print data 111 are collated. For example, information indicating “matched” or “not matched” or personal information registered in association with voiceprint data is output to the result notifying unit 14 according to the collation result.

  The result notifying unit 14 is a unit for notifying the receiver, that is, the owner of the communication device 10 of the verification result of the voiceprint matching unit 13. The result notifying unit 14 can notify the verification result through text, voice, light, or vibration. For example, information indicating “match”, “no match”, or personal information such as “mom” as a collation result is output from the receiver for reception, for example, as a voice, or a display screen of the communication device 10 as a character or an image. Can be displayed. When the communication device 10 is provided with a light emitting device, the verification result varies depending on the blinking frequency, duration, or color of the light beam, and when the vibration function is provided, the intensity and frequency of vibration. Or you may notify the collation result which changes with duration.

  In the communication apparatus 10 according to the first embodiment, when there is no voice print data 111 that matches the result of the matching by the voice print matching unit 13, the voice print matching unit 13 uses the voice print data 131 extracted from the voice 121 as the voice print storage unit 11. And can be registered in the voiceprint storage means 11. The registration of the voiceprint data 131 to the voiceprint storage unit 11 by the voiceprint matching unit 13 can be set not to be performed regardless of the result of the verification. Further, when there is no matching voice print data 111 as a result of the check, the voice print matching means 13 can be set to automatic registration for automatically registering in the voice print storage means 11. Furthermore, the voiceprint matching means 13 can be set to manual registration that allows manual selection of whether or not to register by performing a certain operation.

  In the communication device 10 according to the first embodiment, when communicating, the activation timing of the voiceprint collating unit 13 can be selected. It may be set to automatic start that starts when communication is connected, or manual start that is started by performing a certain operation during communication.

  For example, the communication device 10 includes a switchable operation button, and the certain operation described above may be an operation on the operation button of the communication device 10. The operation button may be a hard button or a soft button displayed on the touch panel.

  FIG. 2 is a flowchart for explaining an authentication method performed by the communication apparatus 10 according to the first embodiment of the present invention. Hereinafter, referring to FIG. 1 and FIG. 2, the registration of the voiceprint data 131 to the voiceprint storage means 11 is set to the manual registration state, and the voiceprint collating means 13 is activated by the communication device 10 set to the manual activation state. Will be described.

  First, when communication is connected between the communication device 10 and an external communication device, the voice acquisition unit 12 acquires the voice 121 of the communication partner in step S11.

  Next, in step S12, it is selected whether or not the voiceprint matching unit 13 is activated by operating the operation button. In the case of activation, the voice print matching means 13 is selected to be activated. If not activated, the voiceprint matching means 13 is selected not to be activated, and communication is continued as it is.

  If it is selected to start, the voiceprint collating unit 13 extracts the voiceprint data 131 from the voice 121 and collates it with the voiceprint data 111 stored in the voiceprint storage unit 11 in step S13.

  Thereafter, in step S14, the result of collation is output to the result notifying means 14.

  If there is matching voice print data 111, in step S15, the result notification means 14 notifies the receiver of the fact that there is matching voice print data 111 or personal information associated with the voice print data 111, and then authentication. Ends.

  On the other hand, if there is no matching voiceprint data 111, the result notifying means 14 notifies the recipient that the voiceprint data 111 does not match in step S16.

  In step S17, it is selected whether or not the extracted voiceprint data 131 is registered in the voiceprint storage means 11 by operating the operation button.

  If so, the voiceprint data 131 is output from the voiceprint matching means 13 to the voiceprint storage means 11 and registered in the voiceprint storage means 11 in step S18.

  If it is selected not to register, the communication ends.

  The configuration of the communication device 10 and the authentication method using the communication device 10 according to the first embodiment have been described above with reference to FIGS. 1 and 2. In this way, the receiver can determine whether or not to continue the call based on the result of the collation, so that damage caused by nuisance calls such as fraud can be reduced to the maximum. In the communication device 10 according to the first embodiment, since the storage device that is the voiceprint storage unit 11 is provided in the communication device 10, registration of the voiceprint data can be easily performed by external input to the storage device.

  In the communication apparatus 10 according to the first embodiment, it is possible to select whether or not the voiceprint data 131 is registered in the voiceprint storage unit 11. For this reason, even if there is no matching voice print data as a result of the verification, if the voice print data of the communication partner is registered in the voice print storage means 11 after the call, the identity of the person is determined when communicating with the same person again. Is possible. For example, if it is determined that the communication partner is a suspicious person, after communication, if personal information that the communication partner is a suspicious person is registered in association with voiceprint data, it is determined that the communication partner is a suspicious person through collation during the next communication. Yes, you can stop communication and prevent damage.

  Furthermore, in the communication apparatus 10, the start timing of the voiceprint collating means 13 can be selected. As a result, by setting the voiceprint collating means 13 to manual activation, the collation function can be activated only in the case of a communication partner whose voice is an unrecognized voice. Therefore, the communication device 10 is activated by each activation of the collation function. Power consumption can be reduced.

<Embodiment 2>
FIG. 3 is a schematic diagram illustrating a configuration of a communication device 10A according to Embodiment 2 of the present invention. Since the communication device 10A has the same configuration as that of the communication device 10 according to the first embodiment except that the communication device 10A further includes the voice storage unit 15, the overlapping description is omitted.

  The voice storage unit 15 is a unit for storing voice data. Audio data 151 is stored in the audio storage means. The audio data 151 may be audio data that stores the audio 121 acquired by the audio acquisition unit 12, or audio data that stores audio transmitted directly to the communication device 10A without going through the communication network. Also good. The voice storage unit 15 has, for example, a mobile phone recording function. Note that the activation timing of the voice storage unit 15 may be selectable by a certain operation on the operation button. For example, the voice storage means 15 can be set so that voice storage is not performed during communication. Moreover, the audio | voice preservation | save means 15 can be set to the automatic preservation | save state which preserve | saves the audio | voice 121 automatically, when communication is connected. Furthermore, the voice storage unit 15 can be set to a manual storage state in which whether or not the voice 121 is stored can be manually selected by performing a certain operation on an operation button provided in the communication device.

  FIG. 4 is a flowchart for explaining an authentication method performed by the communication device 10A according to the second embodiment. Hereinafter, an authentication method performed by the communication device 10 </ b> A will be described with reference to FIGS. 3 and 4. In the communication device 10A described with reference to FIGS. 3 and 4, it is set so that the voiceprint data 131 is not registered in the voiceprint storage unit 11, and the activation of the voiceprint collating unit 13 is set to manual activation. In addition, the storage of the sound 121 in the sound storage unit 151 is set to manual storage.

  First, when communication is connected between the communication device 10 and an external communication device, the voice acquisition unit 12 acquires the voice 121 of the communication partner in step S21.

  Next, in step S22, whether or not to activate the voiceprint collating unit 13 is selected by operating the operation button. In the case of activation, the voice print matching means 13 is selected to be activated. If not activated, the voiceprint matching means 13 is selected not to be activated, and communication is continued as it is.

  If it is selected to start, the voiceprint collating unit 13 extracts the voiceprint data 131 from the voice 121 and collates it with the voiceprint data 111 stored in the voiceprint storage unit 11 in step S23.

  Thereafter, in step S24, the result of collation is output to the result notification means 14.

  If there is matching voiceprint data, the result notification means 14 notifies the receiver of the fact that there is matching voiceprint data or personal information associated with the voiceprint data in step S25.

  On the other hand, if there is no matching voiceprint data, the result notifying means 14 notifies the receiver that the voiceprint data does not match in step S26.

  Next, in step S27, it is selected whether or not to save the communication partner's voice 121 by operating the operation button. In the case of saving, the operation button is operated so as to activate the voice saving means 15. When not saving, the operation button is operated so as not to activate the voice saving means 15, and the communication is continued as it is.

  If it is selected to be saved, the voice 121 of the communication partner is saved as voice data 151 by the voice saving means 15 in step S28.

  The configuration of the communication device 10A according to the second embodiment and the authentication method by the communication device 10A have been described above with reference to FIGS. Since the communication apparatus 10A can store the voice 121, the communication apparatus 10A can store the voice 121 of the communication partner when communicating. For example, when it is determined that the communication partner is a suspicious person, the voice 121 can be saved and submitted to the police, and used as evidence. In the authentication method described in FIG. 4, the voice 121 is stored after the collation, but the present invention is not limited to this. The saving of the voice 121 may be performed before the collation, or may be performed before the collation and after the collation.

<Embodiment 3>
FIG. 5 is a schematic diagram showing a configuration of a communication device 10B according to Embodiment 3 of the present invention. The communication device 10B has the same configuration as the communication device 10B according to the second embodiment except that the communication device 10B can perform collation using the audio data 151 stored in the audio storage unit 15. Is omitted.

  In the communication apparatus 10B according to the third embodiment, the voiceprint collating unit 13 extracts not only the voice 121 acquired by the voice acquisition unit 12, but also the voiceprint data 131 from the voice data 151 stored in the voice storage unit 15, Collation with the voiceprint data 111 for collation registered in the voiceprint storage unit 11 can be performed. As a result, the verification timing is not limited to during communication, and the authentication target is not limited to the communication partner. For example, the other party is authenticated at the time of the conversation at the meeting, and the voiceprint storage means 11 can be registered.

  FIG. 6 is a flowchart illustrating an authentication method performed by the communication device 10B according to the third embodiment. Hereinafter, referring to FIG. 5 and FIG. 6, authentication performed by the communication device 10 </ b> B in which the registration of the voiceprint data 131 to the voiceprint storage unit 11 is set to manual registration and the voiceprint matching unit 13 is set to manual activation. A method will be described.

  First, in step S31, it is selected whether to activate the voiceprint collating means 13 by operating the operation button. In the case of activation, the voice print matching means 13 is selected to be activated. If not activated, the voiceprint matching means 13 is selected not to be activated, and the authentication is terminated.

  If activated, the voiceprint collation unit 13 extracts the voiceprint data 131 from the voice data 151 stored in the voice storage unit 15 and collates it with the voiceprint data 111 stored in the voiceprint storage unit 11 in step S32.

  Thereafter, in step S33, the collation result is output to the result notifying means 14.

  If there is matching voice print data, in step S34, the result notification means 14 notifies the receiver that there is matching voice print data or personal information associated with the voice print data, and then the authentication is completed. .

  On the other hand, if there is no matching voice print data, the result notifying means 14 notifies that the data does not match in step S35.

  In step S36, it is selected whether or not the extracted voice print data 131 is registered in the voice print storage means 11 by operating the operation button.

  If so, the voiceprint data 131 is output from the voiceprint matching means 13 to the voiceprint storage means 11 and registered in the voiceprint storage means 11 in step 37.

  If the user chooses not to register, authentication ends.

  The configuration of the communication device 10B and the authentication method by the communication device 10B according to the third embodiment have been described above with reference to FIGS. According to the communication device 10 </ b> B according to the third embodiment, the communication partner's voice 121 is stored by the voice storage unit 15, so that verification can be performed even if communication is completed. For example, when collation is performed during communication but does not match the collation voiceprint data, the voice 121 of the communication partner is stored, and voiceprint data is stored from a suspicious person's voiceprint database created by a telegraph company or an organization such as the police. Is acquired and input to the voiceprint storage means 11, and then collation is performed again to determine whether or not the communication partner is a suspicious person. Furthermore, when the voice storage unit 15 has a recording function, verification is possible not only for the communication partner but also for a recordable voice. As a result, if blacklist data is stored in the voiceprint storage unit 11 in advance, when a person who seems to be a malicious door-to-door sales or fraud is encountered, it can be immediately determined through verification, and damage can be prevented.

  In each embodiment of the present invention, a mobile phone is used as the communication device. However, the embodiment of the present invention is not limited to this. The communication device may be a fixed telephone, a fixed telephone, or an answering machine.

  In each embodiment of the present invention, the voiceprint storage means, the voice acquisition means, the voiceprint collation means, and the result notification means may all be built in the communication device, but at least one of them is connected to the communication device via the interface. Also good.

  The present invention is suitably used for a communication apparatus having a communication partner authentication function.

10, 10A, 10B Communication device 11 Voiceprint storage unit 111 Audio data 12 Audio acquisition unit 121 Audio 13 Verification unit 131 Voiceprint data 14 Notification unit 15 Audio storage unit 151 Audio data

Claims (12)

Voiceprint storage means storing voiceprint data for verification;
Voice acquisition means for acquiring the voice of the communication partner;
Voiceprint data is extracted from the voice acquired by the voice acquisition means, and voiceprint matching means for matching with the voiceprint data for verification;
A communication device comprising: a result notifying unit that notifies a collation result of the voiceprint collating unit.   The communication apparatus according to claim 1, wherein the voiceprint data extracted by the voiceprint matching unit is registered in the voiceprint storage unit as voiceprint data for verification.   The communication apparatus according to claim 1, further comprising a voice storage unit that stores the voice acquired by the voice acquisition unit. The voiceprint collation means extracts voiceprint data from the voice stored in the voice storage means and collates the voiceprint data with the collation voiceprint data;
If the collation voiceprint data and the voiceprint data extracted from the voice stored in the voice storage means do not match, the voiceprint collation means uses the voiceprint data extracted from the voice stored in the voice storage means. The communication apparatus according to claim 3, wherein the communication apparatus registers the voiceprint data as collation voiceprint data in the voiceprint storage unit.   The communication apparatus according to any one of claims 1 to 4, wherein a start timing of the voiceprint matching unit is selectable.   The communication apparatus according to claim 1, wherein the result notification unit performs notification by at least one of voice, characters, light rays, and vibrations. A voice acquisition step for acquiring the voice of the communication partner;
A voiceprint collation step for extracting voiceprint data from the voice acquired in the voice acquisition step and collating it with the voiceprint data for verification in the voiceprint storage means storing the voiceprint data for verification;
An authentication method comprising: a result notifying step for notifying a matching result of the voiceprint matching step.   8. The authentication method according to claim 7, wherein the voiceprint collation step executes a step of registering the extracted voiceprint data in the voiceprint storage means as collation voiceprint data.   The authentication method according to claim 7 or 8, further comprising a voice storage step of storing the voice acquired in the voice acquisition step. The voiceprint collation step is executed to extract voiceprint data from the voice stored by executing the voice storage step and collate with the voiceprint data for verification.
If the voiceprint data for verification and the voiceprint data extracted from the voice stored in the voice storage means do not match, the voiceprint verification step is extracted from the voice stored by executing the voice storage step. The authentication method according to claim 9, wherein the authentication method is executed so as to register the voice print data as collation voice print data in the voice print storage unit.   The authentication method according to claim 7, wherein execution timing of the voiceprint matching step is selectable.   The authentication method according to any one of claims 7 to 11, wherein in the result notification step, notification is executed by at least one of voice, text, light, and vibration.

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