CN112530048A - Automobile data recorder system with voice-controlled video uploading function and recording method - Google Patents
Automobile data recorder system with voice-controlled video uploading function and recording method Download PDFInfo
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- CN112530048A CN112530048A CN202011275670.6A CN202011275670A CN112530048A CN 112530048 A CN112530048 A CN 112530048A CN 202011275670 A CN202011275670 A CN 202011275670A CN 112530048 A CN112530048 A CN 112530048A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000005236 sound signal Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 21
- 238000001228 spectrum Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 7
- 230000011218 segmentation Effects 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 6
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- 230000002457 bidirectional effect Effects 0.000 abstract description 3
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
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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
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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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
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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Abstract
The invention belongs to the technical field of vehicle-mounted electronic recording devices, and aims to solve the technical problems that the conventional automobile data recorder uploads huge video data, cannot snapshot effective video information in real time, increases dangers when emergency video recording is manually controlled, has operation delay and cannot snapshot in real time. The technical scheme is as follows: the intelligent vehicle-mounted intelligent management system comprises a main control module, a voice recognition module, a data transmission module, a cloud server, an image recognition module, a mobile terminal and a PC terminal, wherein the voice recognition module is in wireless connection with the main control module, the main control module is connected with a vehicle-mounted charger and is in bidirectional connection with the data transmission module, the data transmission module is in wireless connection with the cloud server, the cloud server is in bidirectional connection with the image recognition module, and the cloud server is connected with the mobile terminal and the PC terminal in a wireless mode. The invention does not need to manually operate the emergency video, reduces the danger coefficient during driving, only retains the effective video information and avoids generating huge data information.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted electronic recording devices, and particularly relates to a vehicle event data recorder system with a voice-controlled video uploading function and a recording method.
Background
The driving recorder is an instrument for recording the image and sound of the vehicle during driving. The automobile data recorder is more and more commonly used at present, the equipment is used for recording accidents encountered in the driving process and positioning the driving condition of a vehicle, can prevent porcelain collision, is convenient for a traffic police team to extract video image information after the accidents occur, and can accurately divide the responsibilities of the accidents.
However, one of the existing automobile data recorders adopts cyclic recording, and after a recorded video is stored in a memory card, the previous video can be automatically deleted, and the process is repeated, so that a large amount of effective information can be missed by the automobile data recorder, the subsequent accident investigation and evidence obtaining are difficult, and the real and effective responsibility for dividing accidents cannot be realized; the other is a vehicle event data recorder with a real-time uploading function, the vehicle event data recorder uploads all recorded videos to a cloud server to generate huge data, most of the data are invalid video data, and after an accident occurs, relevant evidence needs to be found from the huge vehicle event data information for evidence obtaining of the accident, so that the evidence obtaining process is time-consuming and labor-consuming.
In addition, when a driver wants to carry out emergency video recording in the driving process, the driver needs to enter a function interface of the automobile data recorder to manually operate a photographing or emergency video recording button of a tool menu to start video recording, the function implementation steps are complicated, the driver is easy to be distracted in the operation process, dangers in the driving process are increased invisibly, large operation delay exists, real-time snapshot cannot be carried out, and the best opportunity of missing video recording is caused.
Disclosure of Invention
The invention aims to solve the technical problems that the conventional automobile data recorder uploads huge video data, cannot capture effective video information in real time, increases danger when an emergency video is manually controlled, has operation delay and cannot capture the video in real time, and provides an automobile data recorder system with a voice-controlled video uploading function and a recording method.
In order to solve the technical problems, the invention adopts the technical scheme that:
a vehicle event data recorder system with a voice control video uploading function comprises an audio input module, a voice recognition module, a master control system, a data transmission module, a cloud server, a PC terminal, a mobile terminal and a video recording device;
the voice recognition module is internally provided with an audio receiver for receiving the sound signal, carrying out audio segmentation processing on the sound signal and transmitting audio data to the voice recognition module;
the voice recognition module can confirm and recognize the audio data signals transmitted by the audio input module, and after the audio signals are amplified, the voice recognition module extracts and recognizes the characteristics of the audio to obtain recognition results and transmits the audio data to the master control system;
the main control system is used for controlling and coordinating other modules, a password is preset to be used as an instruction word list for the voice recognition module to use, the recognition result of the voice recognition module is judged, if the command is the instruction of the instruction word list, the main control system sends an instruction to the video recording device, the video recording device is controlled to intercept the video from the previous 30s to the current video recording, and if the command is not the instruction of the instruction word list, the main control system finishes working and deletes audio data;
the data transmission module is used for uploading the video data to a cloud server through an http protocol;
the cloud server can store the received video data and deduce frame by frame, and effective information such as license plate numbers in the video is automatically recognized and exported by using an image recognition technology;
the PC terminal and the mobile terminal are used for looking up and calling the effective information identified by the cloud server, and intercepting, storing and printing the effective information;
the video recording device records a video in the driving process and transmits the intercepted video data to the transmission module;
the vehicle-mounted charger comprises an audio input module, a voice recognition module, a main control system, a video device, a data transmission module, a cloud server, a PC terminal, a mobile terminal, a vehicle-mounted charger and a vehicle-mounted charger, wherein the audio input module and the voice recognition module are arranged on the surface of a steering wheel, the output end of the audio input module is connected with the input end of the voice recognition module, the voice recognition module is in two-way communication connection with the main control system, the output end of the main control system is in communication connection with the input ends of the data transmission module and the video device respectively, the output end of the video device is in communication connection with the input end of the data transmission module, the transmitting end of the data transmission module is in wireless communication connection with the receiving end of the cloud server, the transmitting end of the cloud server is in.
Furthermore, the voice recognition module comprises a spectrum analyzer, a feature extractor and a voice recognizer, the output end of the audio input module is in communication connection with the input end of the spectrum analyzer, the output end of the spectrum analyzer is in communication connection with the input end of the feature extractor, the output end of the feature extractor is in communication connection with the input end of the voice recognizer, and the voice recognizer is in two-way communication connection with the master control system.
Further, the communication connection is any one of a wired connection or a wireless connection.
A recording method of a vehicle event data recorder system with a voice-controlled video uploading function comprises the following steps:
1 setting password: presetting an appointed password for a main control system before a vehicle event data recorder works, and generating an instruction word list;
2, receiving voice: in the working process of the automobile data recorder, when an accident or accident occurs, a driver sends a password to the direction of a steering wheel, and an audio input module carries out audio segmentation processing on a received password audio signal and transmits the processed password audio signal to a voice recognition module;
and 3, voice recognition judgment: the voice recognition module confirms and recognizes the audio signal transmitted by the audio input module, and after the audio signal is amplified, the voice recognition module extracts and recognizes the characteristics of the audio to obtain a recognition result;
and 4, processing the identification result: the main control system receives the recognition result of the voice recognition module, compares the recognition result with the instruction word list, sends an instruction to the video recording device if the recognition result is a password in the instruction word list, controls the video recording device to intercept the video from 30s ago, calls the data transmission module to upload the intercepted video recording data to the cloud server for storage, and ends the work and deletes the audio data if the recognition result is not the password in the instruction word list;
and 5, extracting information of the video data: the cloud server deduces the intercepted video data frame by frame, and utilizes an image recognition technology to automatically recognize and derive effective driving information such as license plate numbers in the video;
and 6, terminal consulting: and looking up and calling effective information identified and derived by the cloud server through the PC terminal and the mobile terminal, and intercepting, storing and printing the effective information.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the voice recognition module is arranged on the steering wheel, so that a driver only needs to send out a preset voice command when needing to record video, the video recording function can be realized, manual operation is not needed, the danger coefficient during driving is reduced, delay is avoided, and real-time snapshot is carried out;
2. when the preset voice command is received, the current video before 30 seconds is automatically intercepted and uploaded to the cloud server, only effective video information is reserved, huge data information is avoided, workload is reduced for follow-up investigation and evidence obtaining, and time and labor are saved;
3. the server can extract the effective information of the stored data and output the effective information to the terminal, thereby greatly facilitating the subsequent investigation and evidence-taking work.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the speech recognition unit of FIG. 1;
FIG. 3 is a flow chart of the driving recording operation of the present invention;
in the figure: the system comprises a 1-audio input module, a 2-voice recognition module, a 3-main control system, a 4-data transmission module, a 5-cloud server, a 6-PC terminal, a 7-mobile terminal and an 8-video device;
wherein: 2.1-spectrum analyzer, 2.2-feature extractor, 2.3-speech recognizer.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1 to 3, a vehicle event data recorder system with a voice-controlled video uploading function includes an audio input module 1, a voice recognition module 2, a main control system 3, a data transmission module 4, a cloud server 5, a PC terminal 6, a mobile terminal 7 and a video recording device 8;
the audio input module 1 is internally provided with an audio receiver for receiving sound signals, carrying out audio segmentation processing on the sound signals and transmitting audio data to the voice recognition module 2;
the voice recognition module 2 can confirm and recognize the audio data signal transmitted by the audio input module 1, amplify the audio signal, extract and recognize the audio to obtain a recognition result and transmit the audio data to the main control system 3;
the main control system 3 is used for controlling and coordinating other modules, a password is preset as an instruction word list and is used by the voice recognition module 2, the recognition result of the voice recognition module 2 is judged, if the command is the instruction of the instruction word list, the main control system 3 sends an instruction to the video recording device 8, the video recording device 8 is controlled to intercept the video from before 30s to the current video recording, and if the command is not the instruction of the instruction word list, the main control system 3 finishes working and deletes audio data;
the data transmission module 4 is used for uploading the video data to the cloud server 5 through an http protocol;
the cloud server 5 can store the received video data and deduce the received video data frame by frame, and the effective information such as license plate numbers in the video is automatically identified and exported by using an image identification technology;
the PC terminal 6 and the mobile terminal 7 are used for looking up and calling the effective information identified by the cloud server 5, and intercepting, storing and printing the effective information;
the video recording device 8 records the video in the driving process and transmits the intercepted video data to the transmission module 4;
the audio input module 1 and the voice recognition module 2 are both arranged on the surface of the steering wheel, the output end of the audio input module 1 is connected with the input end of the voice recognition module 2, the voice recognition module 2 is in bidirectional wireless connection with the main control system 3, the output end of the main control system 3 is respectively in wireless connection with the data transmission module 4 and the input end of the video recording device 8, the output end of the video recording device 8 is wirelessly connected with the input end of the data transmission module 4, the transmitting end of the data transmission module 4 is wirelessly connected with the receiving end of the cloud server 5, the transmitting terminal of the cloud server 5 is respectively connected with the receiving terminals of the PC terminal 6 and the mobile terminal 7 in a wireless way, and the transmitting ends of the audio input module 1, the voice recognition module 2, the master control system 3 and the data transmission module 4 are all in wireless connection with the vehicle-mounted charger to supply power to each module.
The communication connection mode can also be a wired connection.
A recording method of a vehicle event data recorder system with a voice-controlled video uploading function comprises the following steps:
1) setting a password: presetting an appointed password for the main control system 3 before the automobile data recorder works, and generating an instruction word list;
2) receiving voice: in the working process of the automobile data recorder, when an accident or accident occurs, a driver sends a password to the direction of a steering wheel, and the audio input module 1 carries out audio segmentation processing on a received password audio signal and transmits the processed password audio signal to the voice recognition module 2;
3) and (3) voice recognition and judgment: the voice recognition module 2 confirms and recognizes the audio signal transmitted by the audio input module 1, and after the audio signal is amplified, the audio signal is subjected to feature extraction and recognition to obtain a recognition result;
4) and processing the recognition result: the main control system 3 receives the recognition result of the voice recognition module 2, compares the recognition result with the instruction word list, if the recognition result is a password in the instruction word list, the main control system 3 sends an instruction to the video recording device 8, controls the video recording device 8 to intercept the video from the previous time of 30s, calls the data transmission module 4 to upload the intercepted video data to the cloud server 5 for storage, and if the recognition result is not a password in the instruction word list, the main control system 3 finishes working and deletes the audio data;
5) extracting information of the video data: the cloud server 5 deduces the intercepted video data frame by frame, and utilizes an image recognition technology to automatically recognize and derive effective driving information such as license plate numbers in the video;
6) and (4) terminal consulting: and effective information identified and exported by the cloud server 5 is consulted and called through the PC terminal 6 and the mobile terminal 7, and is intercepted, stored and printed.
The working principle of the invention is as follows:
before the invention is used, a voice password is set for a main control system 3 to generate an instruction word list, the system is opened and connected with a vehicle-mounted charger in the driving process of a vehicle, the vehicle-mounted charger supplies power for the whole system, a video recording device 8 is opened to start video recording, an audio input module 1 and a voice recognition module 2 are arranged on the upper surface of a steering wheel and are close to a driver to the greatest extent, the voice command can be received most clearly, manual operation is avoided, the danger coefficient in driving is reduced, when an emergency or accident happens, the driver sends a preset password, the audio input module 1 carries out audio segmentation processing on the received password audio signal and sends the processed password audio signal to a voice recognition module 2, the voice recognition module 2 confirms and recognizes the audio signal, after the audio signal is amplified, the audio signal is subjected to feature extraction and recognition to obtain a recognition result and is transmitted to the main control system 3, the main control system 3 receives the recognition result and compares the recognition result with the instruction word list, if the recognition result is a password in the instruction word list, the main control system 3 sends an instruction to the video recording device 8, the video recording device 8 is controlled to intercept the current video before 30 seconds, the data transmission module 4 is called to upload the intercepted video data to the cloud server 5 for storage, the defects that the operation is delayed and the effective video cannot be captured in real time are avoided, if the recognition result is not the password in the instruction word list, the main control system 3 finishes the work and deletes the audio data, the cloud server 5 deduces the intercepted video data frame by frame, the effective driving information such as the license plate number in the video is automatically recognized and derived by using the image recognition technology, and the effective driving information recognized and derived by the cloud server 5 is searched and retrieved through the PC terminal 6 and the mobile terminal 7, and the system only intercepts and stores the video data 30 seconds before the voice instruction is received, so that huge and invalid data are avoided, the workload of later-stage workers is greatly reduced, the case handling efficiency and accuracy are improved, in addition, the video data can be marked, captured and the like on a PC terminal or a mobile terminal, and the generated data can be uploaded to a cloud server again for storage.
Claims (4)
1. The utility model provides a vehicle event data recorder system with video function is uploaded in acoustic control which characterized in that: the system comprises an audio input module (1), a voice recognition module (2), a master control system (3), a data transmission module (4), a cloud server (5), a PC terminal (6), a mobile terminal (7) and a video recording device (8);
the voice frequency input module (1) is internally provided with an audio frequency receiver for receiving a voice signal, carrying out audio frequency segmentation processing on the voice signal and transmitting audio frequency data to the voice recognition module (2);
the voice recognition module (2) can confirm and recognize the audio data signals transmitted by the audio input module (1), and after the audio signals are amplified, the voice recognition module extracts and recognizes the characteristics of the audio to obtain a recognition result and transmits the audio data to the main control system (3);
the main control system (3) is used for controlling and coordinating other modules, a password is preset as an instruction word list and used by the voice recognition module (2), the recognition result of the voice recognition module (2) is judged, if the command is the instruction of the instruction word list, the main control system (3) sends an instruction to the video recording device (8), the video recording device (8) is controlled to intercept the video from the previous time of 30s to the current time, and if the command is not the instruction of the instruction word list, the main control system (3) finishes the work and deletes the audio data;
the data transmission module (4) is used for uploading the video data to a cloud server (5) through an http protocol;
the cloud server (5) can store the received video data and deduce the data frame by frame, and the effective information such as license plate numbers in the video is automatically identified and exported by using an image identification technology;
the PC terminal (6) and the mobile terminal (7) are used for looking up and calling the effective information identified by the cloud server (5), and intercepting, storing and printing the effective information;
the video device (8) carries out video recording on the driving process and transmits the intercepted video data to the transmission module (4);
audio input module (1) and speech recognition module (2) all set up on the steering wheel surface, and the output of audio input module (1) is connected with the input of speech recognition module (2), speech recognition module (2) and major control system (3) both way communication are connected, the output of major control system (3) respectively with data transmission module (4) and video recording device (8) input communication connection, the output of video recording device (8) and the input communication connection of data transmission module (4), the transmitting terminal of data transmission module (4) and the receiving terminal wireless communication of cloud ware (5) are connected, the transmitting terminal of cloud ware (5) respectively with the receiving terminal wireless communication of PC terminal (6) and mobile terminal (7), audio input module (1), speech recognition module (2), The transmitting ends of the master control system (3) and the data transmission module (4) are in wireless communication connection with the vehicle-mounted charger and supply power to the modules.
2. The automobile data recorder system with the voice-controlled video uploading function according to claim 1, wherein the voice-controlled video uploading function comprises: the voice recognition module (2) comprises a spectrum analyzer (2.1), a feature extractor (2.2) and a voice recognizer (2.3), the output end of the audio input module (1) is in communication connection with the input end of the spectrum analyzer (2.1), the output end of the spectrum analyzer (2.1) is in communication connection with the input end of the feature extractor (2.2), the output end of the feature extractor (2.2) is in communication connection with the input end of the voice recognizer (2.3), and the voice recognizer (2.3) is in two-way communication connection with the main control system (3).
3. A vehicle event data recorder system with voice-controlled video uploading function according to any one of claims 1 or 2, wherein: the communication connection is any one of a wired connection or a wireless connection.
4. The recording method of the automobile data recorder system with the function of uploading the video by the voice control according to any one of claims 1 to 3, characterized by comprising the following steps: the method comprises the following steps:
1) setting a password: presetting an appointed password for a main control system (3) before a vehicle event data recorder works to generate an instruction word list;
2) receiving voice: in the working process of the automobile data recorder, when an accident or accident occurs, a driver sends a password to the direction of a steering wheel, and an audio input module (1) carries out audio segmentation processing on a received password audio signal and transmits the processed password audio signal to a voice recognition module (2);
3) and (3) voice recognition and judgment: the voice recognition module (2) confirms and recognizes the audio signal transmitted by the audio input module (1), amplifies the audio signal, and extracts and recognizes the characteristics of the audio to obtain a recognition result;
4) and processing the recognition result: the main control system (3) receives the recognition result of the voice recognition module (2), compares the recognition result with the instruction word list, if the recognition result is a password in the instruction word list, the main control system (3) sends an instruction to the video recording device (8), controls the video recording device (8) to intercept the video from 30s ago, calls the data transmission module (4) to upload the intercepted video recording data to the cloud server (5) for storage, and if the recognition result is not the password in the instruction word list, the main control system (3) finishes working and deletes the audio data;
5) extracting information of the video data: the cloud server (5) deduces the intercepted video data frame by frame, and utilizes an image recognition technology to automatically recognize and derive effective driving information such as license plate numbers in the video;
6) and (4) terminal consulting: and effective information identified and exported by the cloud server (5) is consulted and called through the PC terminal (6) and the mobile terminal (7), and is intercepted, stored and printed.
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| CN202011275670.6A CN112530048A (en) | 2020-11-16 | 2020-11-16 | Automobile data recorder system with voice-controlled video uploading function and recording method |
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| CN202011275670.6A CN112530048A (en) | 2020-11-16 | 2020-11-16 | Automobile data recorder system with voice-controlled video uploading function and recording method |
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Application publication date: 20210319 |
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