CN110970033A - Voiceprint recognition automatic signing device and recognition method thereof - Google Patents
Voiceprint recognition automatic signing device and recognition method thereof Download PDFInfo
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- CN110970033A CN110970033A CN201911214579.0A CN201911214579A CN110970033A CN 110970033 A CN110970033 A CN 110970033A CN 201911214579 A CN201911214579 A CN 201911214579A CN 110970033 A CN110970033 A CN 110970033A
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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
- G10L17/00—Speaker identification or verification techniques
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
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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
- G10L15/26—Speech to text systems
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Abstract
The invention provides an automatic signature device for voiceprint recognition and a recognition method thereof, wherein the automatic signature device comprises a control device, a voice input and output device, a writing device and a transmission device; the control device comprises a control shell, a power supply, a controller and a voice recognition device; the voice input and output device comprises a microphone and a loudspeaker; the voice recognition device comprises a memory and a recognition processor; the writing device comprises a steering engine and a writing pen connecting device; the transmission device comprises an X-direction track, an X-direction stepping motor, a Y-direction track, a Y-direction stepping motor, an X-direction rack and a Y-direction rack; the bottom of the control shell is provided with an X-direction sliding block embedded into the X-direction track, and the front and the back of the control shell are provided with sliding slot holes; an X-direction stepping motor and an X-direction motor gear are fixedly arranged on one side of the X-direction sliding block; a Y-direction stepping motor and a Y-direction motor gear are fixedly arranged on one side of the control shell; the writing device comprises a steering engine and a writing pen fixer; the controller is respectively and electrically connected with the Y-direction stepping motor, the X-direction stepping motor and the steering engine.
Description
Technical Field
The invention relates to the field of information security, in particular to a voiceprint recognition automatic signing device and a voiceprint recognition method.
Background
History records that Chinese characters have more than 4000 years of history, Chinese ancient people have more than 3 thousand years of history by writing with a writing brush, and Chinese civilization is inherited nowadays and is rather inherited by writing with Chinese characters. The pen is a common tool for controlling and writing Chinese characters by hands, but is difficult for some special people to write Chinese characters by lifting the pen, such as old people who are inconvenient for the old, students with disabled hands and injured hands, and people who do not receive basic education and have low culture level. The Chinese characters can not be normally written by the Chinese characters, the Chinese characters are influenced in life and work, although the technology such as voice input and voice recognition is mature in the current technological development, inconvenience is always brought to the special people when the Chinese characters need to be handwritten. Especially when the important property interests are involved, such as the interests of banking, insurance and house property trade, the signature of the party is often required. However, for example, the above special people cannot claim or trace the legitimate interest in a signing manner due to injury, illness, accident, etc., so that a device capable of automatically identifying the user identity through voice voiceprint and automatically signing becomes a technical problem to be solved at present.
Disclosure of Invention
The invention provides an automatic voice print recognition signing device and a recognition method thereof, wherein the device is simple in structure and convenient to operate, and aims to solve the problem of difficult signing for special people who are inconvenient to write through voice collection and interaction, voice print recognition and automatic signing and writing.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an automatic signature device for voiceprint recognition comprises a control device, a voice input and output device, a writing device and a transmission device; the control device comprises a power supply, a controller and a voice recognition device which are arranged in the control shell; the voice input and output device comprises a voice acquisition device and a loudspeaker which are electrically connected with the voice recognition device; the voice recognition device comprises a voiceprint recognition processor and a memory, wherein the memory is prestored with name information, voiceprint information, signature handwriting information of a user, a voice recognition model database and a conventional font database; the writing device comprises a steering engine and a writing pen connecting device; the transmission device comprises an X-direction track and a Y-direction track; an X-direction rack is arranged in the X-direction track, and a Y-direction rack is arranged in the Y-direction track; an X-direction sliding block embedded into the X-direction track is arranged at the bottom of the control shell, and sliding slot holes which can accommodate the Y-direction track to pass through are formed in the front end and the rear end of the control shell; an X-direction stepping motor is fixedly arranged on one side of the X-direction sliding block, and an X-direction motor gear meshed with the X-direction rack is arranged on the X-direction stepping motor; a Y-direction stepping motor is fixedly arranged on one side of the control shell, and a Y-direction motor gear meshed with the Y-direction rack in a threaded manner is arranged on the Y-direction stepping motor; the writing device comprises a steering engine arranged at the end head of one end of the Y-direction track and a writing pen fixer used for clamping and fixing a writing pen, and the steering engine is used for controlling the writing pen to lift; the controller is respectively electrically connected with the Y-direction stepping motor, the X-direction stepping motor and the steering engine.
Furthermore, the transmission device further comprises a support frame and a limiting device which are arranged on the left side and the right side of the X-direction track.
Preferably, the top of the support frame is provided with a level.
Preferably, the limiting device comprises limiting stoppers arranged on the left side and the right side of the X-direction track.
The writing pen fixer comprises a clamp holder and a mounting plate, one end of the mounting plate is connected with the rocker arm of the steering engine, and the other end of the mounting plate is connected with the clamp holder.
Preferably, the voice collecting means comprises a microphone.
Preferably, the microphone is fitted with noise reducing means.
A recognition method of a voiceprint recognition automatic signature device comprises the following recognition steps;
step one, the controller starts the voice acquisition device to acquire voice voiceprints of a user, and the voice acquisition device stores acquired user voice analog signal data in the memory;
step two, the voiceprint recognition processor converts the user voice analog signal data stored in the memory into voice digital signal data and compares the voice digital signal data with the voiceprint information prestored in the memory for recognition;
step three, after voiceprint information comparison, confirming that the voiceprint information is consistent with the voiceprint information reserved by the user, confirming the identity of the user, starting the loudspeaker and the voice acquisition device by the voiceprint recognition processor to interact with the user, and sending a voice instruction to the voice acquisition device by the user through voice according to a prompt tone preset by the loudspeaker;
step four, the voice acquisition device transmits the acquired user voice instruction to the memory and converts the voice analog signal data into voice digital signal data;
comparing and recognizing the voice digital signal data with the voice recognition model database prestored in the memory by the voiceprint recognition processor to obtain a voice target character instruction, and selecting whether to call the user signature handwriting information prestored in the memory or not through the character instruction; when the voice instruction of the user is an instruction for calling the user signature handwriting information, the voiceprint recognition processor calls the user signature handwriting information and converts the user signature handwriting information into a writing track, and the operation of the Y-direction stepping motor, the X-direction stepping motor and the steering engine is controlled by the controller to control the writing pen to write along the writing track;
and sixthly, when the voice instruction of the user is an instruction of not calling user signature handwriting information, the voiceprint recognition processor interacts with the user through the loudspeaker prompt, transmits the voice analog signal data of the user collected by the voice collection device to the memory and converts the voice analog signal data into voice digital signal data, calls a voice recognition model database prestored in the memory to compare and recognize the voice digital signal data to obtain voice target characters, converts the voice target characters into a writing track, and controls the operation of the Y-direction stepping motor, the X-direction stepping motor and the steering engine to control the writing pen to write along the writing track through a controller.
Furthermore, in the third step, after comparing the voiceprint information, the user identity cannot be confirmed, the voiceprint recognition processor can only call a pre-stored voice recognition model database in the memory, the voiceprint recognition processor starts the loudspeaker and the voice acquisition device to interact with the user, and the user sends out voice to the voice acquisition device through voice according to a prompt tone preset by the loudspeaker; the voice recognition device comprises a memory, a voice recognition model database, a controller, a writing track, a writing pen, a controller and a controller, wherein the voice recognition model database is pre-stored in the memory, the voice simulation signal data of a user collected by the voice collection device are transmitted to the memory and converted into voice digital signal data, the voice target characters are obtained after the voice recognition model database is pre-stored in the memory is called for comparison and recognition, the voice target characters are converted into the writing track of conventional characters, and the writing pen is controlled by the controller to write along the writing track.
Compared with the prior art, the invention has the beneficial effects that:
1. the user information and the voiceprint information which are prestored in the memory are collected by the voice collecting device according to the voice data which are read by the user and are related to the user information, converting the digital signal into a digital signal to be compared with voiceprint information for verifying whether the user identity is matched or not, obtaining a voice command of the user through voice interaction after the identity is matched, transferring signature handwriting information to be converted into a writing track, controlling the operation of the Y-direction stepping motor, the X-direction stepping motor and the steering engine through a controller to control the writing pen to write along the writing track, achieving the effect of automatic signature, and being suitable for writing due to the fact that the writing ability is lost in accidents or the writing cannot be performed due to injuries and diseases, but also needs to carry out bank signature, real estate transaction signature and other special groups under the condition that personal signature needs to be kept and paper archiving is carried out.
2. When a user fails to pass the voiceprint recognition, the voiceprint recognition processor can only call the voice recognition model database to convert the handwriting of the conventional fonts of the voice input of the user, and the Y-direction stepping motor, the X-direction stepping motor and the steering engine are controlled through the controller to operate the writing pen to write the conventional fonts along the writing track. The safety of user information is effectively guaranteed, and writing is prevented from being illegally utilized by others.
Drawings
FIG. 1 is a schematic plan view of an automatic signing device for voiceprint recognition;
FIG. 2 is a schematic side view of the voiceprint recognition automatic signing apparatus of FIG. 1;
FIG. 3 is a schematic perspective view of the control housing of FIG. 1;
FIG. 4 is a schematic diagram of the structure of the control device in FIG. 1;
reference numerals
The voice recognition system comprises a control shell 1, a power supply 2, a controller 3, a voice recognition device 4, a voiceprint recognition processor 5, a memory 6, a voice acquisition device (microphone) 7 and a loudspeaker 8; the device comprises a transmission device 9, an X-direction track 10, an X-direction rack 11, an X-direction slider 12, an X-direction stepping motor 13, an X-direction motor gear 14, a Y-direction track 15, a Y-direction rack 16, a Y-direction stepping motor 17, a Y-direction motor gear 18, a sliding groove hole 19, a support frame 20, a limit stop 21, a horizontal ruler 22, a writing device 23, a steering engine 24, a writing pen 25, a clamp 26, an installation plate 27 and a lead 28.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention provides an automatic voice print recognition signing device and a recognition method thereof, which solve the problem of difficult signing for special people who are inconvenient to write by voice acquisition and interaction through voice print recognition and automatic signing and writing.
As shown in fig. 1-4, the automatic voice print recognition signature device of the present invention comprises a control device, a voice input/output device, a writing device 23 and a transmission device 9; the control device comprises a power supply 2, a controller 3 and a voice recognition device 4 which are arranged in a control shell 1; the voice input and output device comprises a voice acquisition device 7 and a loudspeaker 8 which are electrically connected with the voice recognition device 4 (namely, the voice acquisition device is connected with the voice recognition device through a data line to form a transmission connection of a data signal); the voice recognition device 4 comprises a voiceprint recognition processor 5 and a memory 6, wherein the memory 6 is prestored with name information, voiceprint information, signature handwriting information, a voice recognition model database and a conventional font library of a user; the writing device 23 comprises a connecting device of a steering engine 24 and a writing pen 25; the transmission device 9 comprises an X-direction track 10 and a Y-direction track 15; an X-direction rack 11 is arranged in the X-direction track 10, and a Y-direction rack 16 is arranged in the Y-direction track 15; the bottom of the control shell 1 is provided with an X-direction sliding block 12 embedded into the X-direction track 10, and the front end and the rear end of the control shell 1 are provided with penetrating sliding slot holes 19 capable of accommodating the Y-direction track 15; an X-direction stepping motor 13 is fixedly arranged on one side of the X-direction sliding block 12, and an X-direction motor gear 14 meshed with the X-direction rack 11 is arranged on the X-direction stepping motor 13; a Y-direction stepping motor 17 is fixedly arranged on one side of the control shell 1, and a Y-direction motor gear 18 which is meshed with the Y-direction rack 16 through threads is arranged on the Y-direction stepping motor 17; the writing device 23 comprises a steering engine 24 arranged at the end head of one end of the Y-direction track 15 and a writing pen fixer used for clamping and fixing a writing pen 25, and the steering engine 24 is used for controlling the lifting of the writing pen 25; the controller 3 is electrically connected with the Y-direction stepping motor 17, the X-direction stepping motor 13, and the steering engine 24, respectively.
The transmission device 9 further comprises a support frame 20 and a limiting device which are arranged on the left side and the right side of the X-direction track 10.
Preferably, a level 22 is mounted on top of the support frame 20.
Preferably, the position limiting means includes position limiting stoppers 21 provided at both left and right ends of the X-direction rail 10 and the Y-direction rail 15.
The writing pen fixer comprises a clamper 26 and a mounting plate 27, one end of the mounting plate 27 is connected with the rocker arm of the steering engine 24, and the other end of the mounting plate 27 is connected with the clamper 26.
Preferably, the speech acquisition means 7 comprise a microphone 7.
Preferably, the microphone 7 is equipped with noise reduction means.
The invention also provides an identification method of the voiceprint identification automatic signature device, which comprises the following identification steps;
step one, the controller 3 starts a voice acquisition device 7 to acquire voice voiceprints of a user, and the voice acquisition device 7 stores acquired voice analog signal data of the user in a memory 6;
step two, the voiceprint recognition processor 5 converts the user voice analog signal data stored in the memory 6 into voice digital signal data and compares the voice digital signal data with voiceprint information prestored in the memory 6 for recognition;
step three, after comparing the voiceprint information, confirming that the voiceprint information is consistent with the voiceprint information reserved by the user, confirming the identity of the user, starting a loudspeaker 8 and a voice acquisition device 7 by a voiceprint recognition processor 5 to interact with the user, and sending a voice instruction to the voice acquisition device 7 by the voice according to a prompt tone preset by the loudspeaker 8 by the user;
step four, the voice acquisition device 7 transmits the acquired user voice instruction to the memory 6 and converts the voice analog signal data into voice digital signal data;
comparing and recognizing the voice digital signal data with a voice recognition model database prestored in a memory by a voiceprint recognition processor 5 to obtain a voice target character instruction, and selecting whether to call user signature handwriting information prestored in the memory 6 or not through the character instruction; when the voice instruction of the user is an instruction for calling the user signature handwriting information, the voiceprint recognition processor 5 calls the user signature handwriting information and converts the user signature handwriting information into a writing track, and controls the operation of the Y-direction stepping motor 17, the X-direction stepping motor 13 and the steering engine 24 through the controller 3 to control the writing pen 25 to write along the writing track;
and step six, when the voice instruction of the user is an instruction of not calling the user to sign the handwriting information, prompting the user to interact with the user through a loudspeaker 8 by the voiceprint recognition processor 5, transmitting the voice analog signal data of the user collected by the voice collection device 7 to the memory 6 and converting the voice analog signal data into voice digital signal data, calling a voice recognition model database prestored in the memory 6 to perform comparison recognition to obtain voice target characters, converting the voice target characters into writing tracks, and controlling the operation of the Y-direction stepping motor 17, the X-direction stepping motor 13 and the steering engine 24 to control the writing pen 25 to write along the writing tracks through the controller 3.
Furthermore, in the third step, after comparing the voiceprint information, it cannot be confirmed that the voiceprint information is consistent with the voiceprint information reserved by the user, and the identity of the user cannot be confirmed, at this time, the voiceprint recognition processor 5 can only call the pre-stored voice recognition model database in the memory 6, the voiceprint recognition processor 5 starts the loudspeaker 8 and the voice acquisition device 7 to interact with the user, and the user sends out voice to the voice acquisition device 7 through voice according to the prompt tone preset by the loudspeaker 8; the voice analog signal data of the user collected by the voice collecting device 7 is transmitted to the memory 6 and converted into voice digital signal data, a voice recognition model database prestored in the memory 6 is called for comparison and recognition to obtain voice target characters, the voice target characters are converted into writing tracks of conventional characters, and the controller 3 controls the operation of the Y-direction stepping motor 17, the X-direction stepping motor 13 and the steering engine 24 to control the writing pen 25 to write along the writing tracks.
Specifically, the controller 3 controls the forward transmission and the reverse transmission of the X-direction stepping motor 13 to drive the correspondingly connected X-direction motor gear 14 to forward transmit or reverse, so that the X-direction track 15 on the X-direction track 10 moves along the X direction to drive the writing device to correspondingly move left and right along the X axis at the same time; the controller controls the forward rotation or reverse rotation of the Y-direction stepping motor 17 to drive the Y-direction motor gear 18 to rotate forward or reversely, so that the writing device moves back and forth along the Y-axis direction, and the writing device finishes the writing actions in the X-axis direction and the Y-axis direction. The X-direction track 10 and the Y-direction track 15 are provided with limit stoppers 21, which are used for preventing the Y-direction track 15 from deviating or separating along the X axis or the Y axis, and are helpful for keeping the moving accuracy of the writing device. The writing device further comprises a steering engine 24 electrically connected with the controller 3 through a wire 28, the steering engine 24 is connected with a writing pen holder 26, the writing pen holder 26 is an existing general device, and the purchased common holder 26 is selected for fixing the writing pen 25 in the invention, which is not described herein; as shown in fig. 3-4, the writing pen holder 26 is connected to a mounting plate 27, and the mounting plate 27 is fixed to one end of the Y-rail 15 by bolts. The steering engine 24 is used for controlling the z-axis inclination displacement of the writing pen 25 to complete the lifting and falling of the writing pen 25, the writing pen 25 can be driven to move back and forth through the Y-direction stepping motor 7, and the writing pen 25 can be driven to move left and right through the X-direction stepping motor 13, so that the position of writing and falling can be located.
The microphone 7 is provided with a noise reduction device for inputting a more accurate sound signal in the user's voice. The voice analog signal is then transferred to the memory 6, converted into voice digital signal data by the voiceprint recognition processor 5 and voiceprint recognition is performed. The voice output means includes a speaker 8. And the voice recognition module is used for feeding back the recognition result, interacting with the user and carrying out the next voice acquisition. The user judges whether the current voice recognition is successfully recognized after hearing the feedback voice sent by the loudspeaker. If the voiceprint recognition is not successfully carried out again, the user can issue a voice command again to the microphone 7 to carry out voice acquisition and input for the second time. Specifically, the user information and the voiceprint information prestored in the memory 6 are collected by the voice collecting device 7, converting the digital signal into a digital signal, comparing the digital signal with voiceprint information to verify whether the user identity is matched or not, obtaining a voice command of the user through voice interaction after the identity is matched, transferring signature handwriting information to be converted into a writing track, controlling the operation of the Y-direction stepping motor 17, the X-direction stepping motor 13 and the steering engine 24 through the controller 3 to control the writing pen 25 to write along the writing track so as to achieve the effect of automatic signature, and being suitable for writing failure due to accident or injury, but also needs to carry out bank signature, real estate transaction signature and other special groups under the condition that personal signature needs to be kept and paper archiving is carried out.
When the user fails to pass the voiceprint recognition, the voiceprint recognition processor 5 can only call the voice recognition model database to convert the handwriting of the conventional font to the voice input of the user, and the operation of the Y-direction stepping motor 17, the X-direction stepping motor 13 and the steering engine 24 is controlled through the controller 3 to control the writing pen 25 to write the conventional font along the writing track. The safety of user information is effectively guaranteed, and writing is prevented from being illegally utilized by others.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above.
Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (9)
1. An automatic signature device for voiceprint recognition is characterized by comprising a control device, a voice input and output device, a writing device and a transmission device; the control device comprises a power supply, a controller and a voice recognition device which are arranged in the control shell; the voice input and output device comprises a voice acquisition device and a loudspeaker which are electrically connected with the voice recognition device; the voice recognition device comprises a voiceprint recognition processor and a memory, wherein the memory is prestored with name information, voiceprint information, signature handwriting information of a user, a voice recognition model database and a conventional font database; the writing device comprises a steering engine and a writing pen connecting device; the transmission device comprises an X-direction track and a Y-direction track; an X-direction rack is arranged in the X-direction track, and a Y-direction rack is arranged in the Y-direction track; an X-direction sliding block embedded into the X-direction track is arranged at the bottom of the control shell, and sliding slot holes which can accommodate the Y-direction track to pass through are formed in the front end and the rear end of the control shell; an X-direction stepping motor is fixedly arranged on one side of the X-direction sliding block, and an X-direction motor gear meshed with the X-direction rack is arranged on the X-direction stepping motor; a Y-direction stepping motor is fixedly arranged on one side of the control shell, and a Y-direction motor gear meshed with the Y-direction rack in a threaded manner is arranged on the Y-direction stepping motor; the writing device comprises a steering engine arranged at the end head of one end of the Y-direction track and a writing pen fixer used for clamping and fixing a writing pen, and the steering engine is used for controlling the writing pen to lift; the controller is respectively electrically connected with the Y-direction stepping motor, the X-direction stepping motor and the steering engine.
2. The automatic voiceprint recognition signature device as recited in claim 1, wherein the actuator further comprises a support and a stop device fixedly disposed on the left and right sides of the X-track.
3. The voiceprint recognition automatic signing device of claim 2, wherein preferably a level is mounted on top of said support.
4. The automatic voiceprint recognition signature device of claim 2 wherein said stop means preferably includes stops disposed on both the left and right sides of said X-track.
5. The automatic voiceprint recognition signature device as recited in claim 1, wherein the writing pen holder comprises a holder and a mounting plate, one end of the mounting plate is connected with the rocker arm of the steering engine, and the other end of the mounting plate is connected with the holder.
6. The voiceprint recognition automatic signing apparatus of claim 1, wherein the voice capture device comprises a microphone.
7. The voiceprint recognition automatic signing apparatus of claim 6, wherein said microphone is equipped with noise reduction means.
8. An identification method of a voiceprint identification automatic signature device is characterized in that,
comprising the following identification steps;
step one, the controller starts the voice acquisition device to acquire voice voiceprints of a user, and the voice acquisition device stores acquired user voice analog signal data in the memory;
step two, the voiceprint recognition processor converts the user voice analog signal data stored in the memory into voice digital signal data and compares the voice digital signal data with the voiceprint information prestored in the memory for recognition;
step three, after voiceprint information comparison, confirming that the voiceprint information is consistent with the voiceprint information reserved by the user, confirming the identity of the user, starting the loudspeaker and the voice acquisition device by the voiceprint recognition processor to interact with the user, and sending a voice instruction to the voice acquisition device by the user through voice according to a prompt tone preset by the loudspeaker;
step four, the voice acquisition device transmits the acquired user voice instruction to the memory and converts the voice analog signal data into voice digital signal data;
comparing and recognizing the voice digital signal data with the voice recognition model database prestored in the memory by the voiceprint recognition processor to obtain a voice target character instruction, and selecting whether to call the user signature handwriting information prestored in the memory or not through the character instruction; when the voice instruction of the user is an instruction for calling the user signature handwriting information, the voiceprint recognition processor calls the user signature handwriting information and converts the user signature handwriting information into a writing track, and the operation of the Y-direction stepping motor, the X-direction stepping motor and the steering engine is controlled by the controller to control the writing pen to write along the writing track;
and sixthly, when the voice instruction of the user is an instruction of not calling user signature handwriting information, the voiceprint recognition processor interacts with the user through the loudspeaker prompt, transmits the voice analog signal data of the user collected by the voice collection device to the memory and converts the voice analog signal data into voice digital signal data, calls a voice recognition model database prestored in the memory to compare and recognize the voice digital signal data to obtain voice target characters, converts the voice target characters into a writing track, and controls the operation of the Y-direction stepping motor, the X-direction stepping motor and the steering engine to control the writing pen to write along the writing track through a controller.
9. The method as claimed in claim 8, wherein in step three, the consistency with the user reserved voiceprint information cannot be confirmed after comparing the voiceprint information, the user identity cannot be confirmed, at this time, the voiceprint recognition processor can only call the pre-stored voice recognition model database in the memory, the voiceprint recognition processor starts the speaker and the voice acquisition device to interact with the user, and the user sends out voice to the voice acquisition device through voice according to the prompt tone preset by the speaker; the voice recognition device comprises a memory, a voice recognition model database, a controller, a writing track, a writing pen, a controller and a controller, wherein the voice recognition model database is pre-stored in the memory, the voice simulation signal data of a user collected by the voice collection device are transmitted to the memory and converted into voice digital signal data, the voice target characters are obtained after the voice recognition model database is pre-stored in the memory is called for comparison and recognition, the voice target characters are converted into the writing track of conventional characters, and the writing pen is controlled by the controller to write along the writing track.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911214579.0A CN110970033A (en) | 2019-12-02 | 2019-12-02 | Voiceprint recognition automatic signing device and recognition method thereof |
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| CN201911214579.0A CN110970033A (en) | 2019-12-02 | 2019-12-02 | Voiceprint recognition automatic signing device and recognition method thereof |
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Cited By (1)
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