CN113763935A - Method and system for controlling electric appliance of vehicle body through voice outside vehicle, vehicle and storage medium - Google Patents
Method and system for controlling electric appliance of vehicle body through voice outside vehicle, vehicle and storage medium Download PDFInfo
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- CN113763935A CN113763935A CN202110963659.7A CN202110963659A CN113763935A CN 113763935 A CN113763935 A CN 113763935A CN 202110963659 A CN202110963659 A CN 202110963659A CN 113763935 A CN113763935 A CN 113763935A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
- G10L15/063—Training
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/28—Constructional details of speech recognition systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/225—Feedback of the input speech
Abstract
The invention discloses a method, a system, a vehicle and a storage medium for controlling electrical appliances of a vehicle body by using outside voice, wherein the method comprises the following steps: step one, the same voice control system is arranged in the vehicle control APP of the entertainment host and the mobile phone; step two, judging whether the device is used for the first time, and if so, carrying out voice control self-learning; if not, entering the third step; step three, the mobile phone end collects sound information and judges whether the voice characteristics of the sound information are matched with preset voice characteristics through a voice control instruction module in the mobile phone end, if so, the step four is carried out, and if not, the step is finished; step four, a voice control instruction module of the mobile phone end judges whether the voice signal contains voice control keywords; if yes, the voice control instruction module in the mobile phone sends a corresponding control instruction to the entertainment host, the entertainment host sends the control instruction to the corresponding vehicle body electrical appliance, and the vehicle body electrical appliance executes the control instruction, otherwise, the operation is finished. The invention can realize the function of controlling the vehicle electrical equipment through sound outside the vehicle.
Description
Technical Field
The invention belongs to the technical field of automobile control, and particularly relates to a method and a system for controlling automobile body electric appliances by using outside-automobile voice, a vehicle and a storage medium.
Background
At present, the vehicle basically realizes the functions of controlling the electrical appliances of the vehicle body by the sound in the vehicle, such as a sound control air conditioner, a sound control skylight, sound control light, sound control music and the like. When the control command is consistent with the existing control command in the system, the entertainment host executes the related command work or transmits the work command to the corresponding vehicle body controller module through a bus, and the controller drives the electric appliance to work. Due to the limitation of the sound collection range of the microphone in the automobile, the general sound control is limited to be used in the automobile, and the remote control of the electric appliances on the automobile body is mainly realized by the operation of the mobile phone APP at present. For example, patent document cn200610121172.x discloses a system and a control method for controlling an automobile door lock by a mobile phone, the method utilizes a mobile phone keyboard combination key to directly trigger a software package built in the mobile phone, the software package is an instruction for opening or closing the automobile door lock, the method relates to a method for remotely controlling the opening and the door locking of the automobile door lock by the mobile phone, and realizes that one person utilizes the mobile phone to open and close the automobile door lock; the control of the car door lock is realized by using a mobile phone keyboard combination key. For another example, patent document CN201210426097.3 discloses a method for controlling an automobile door lock system through a mobile terminal APP, and a single electric appliance function control is realized by operating an APP button.
Therefore, it is necessary to develop a method, a system, a vehicle and a storage medium for controlling body electrical appliances by out-of-vehicle voice.
Disclosure of Invention
The invention aims to provide a method, a system, a vehicle and a storage medium for controlling vehicle body electric appliances by voice outside a vehicle, which can realize the function of controlling the vehicle electric appliances by voice outside the vehicle.
In a first aspect, the invention provides a method for controlling vehicle body electric appliances by using voice outside a vehicle, which comprises the following steps:
step one, the same voice control system is arranged in vehicle control APPs of an entertainment host and a mobile phone, and a voice control instruction module in the voice control system comprises a plurality of vehicle body electrical appliance control key instructions;
step two, judging whether the voice control is used for the first time, if so, carrying out the voice control self-learning, specifically: reading keywords of a vehicle body electrical appliance control instruction, simultaneously extracting characteristics of sound, analyzing voice characteristics of the sound, judging whether a user correctly identifies the keywords by a voice control instruction module, and if self-learning succeeds, taking the voice characteristics as preset voice characteristics of a system; if the product is not used for the first time, the third step is carried out;
step three, the mobile phone end collects sound information and judges whether the sound characteristics of the sound information are matched with preset sound characteristics through a sound control instruction module in the mobile phone end, if so, the mobile phone enters step four, otherwise, the flow is ended;
step four, a voice control instruction module of the mobile phone end judges whether the voice signal contains voice control keywords; if yes, the voice control instruction module in the mobile phone sends a corresponding control instruction to the entertainment host, the entertainment host sends the control instruction to the corresponding vehicle body electrical appliance, and the vehicle body electrical appliance executes the control instruction, otherwise, the process is finished.
Optionally, before the mobile phone end uses the voice control for the first time, the mobile phone end prompts the user to perform voice control learning, prompts a control keyword control instruction, the user reads the keyword of the control instruction according to the prompt, performs feature extraction on the voice of the user at the mobile phone end, analyzes the unique characteristic of the voice, simultaneously judges whether the user correctly recognizes the keyword or not by the voice control instruction module, if the user correctly recognizes the keyword by the voice control instruction module, the self-learning success is indicated, the voice characteristic of the user at the vehicle end is set as the voice characteristic S1, otherwise, the self-learning failure is indicated.
Optionally, before the entertainment host computer uses the voice control for the first time, the vehicle end prompts a user to perform voice control learning, prompts a control keyword control instruction, the user reads a keyword of the control instruction according to the prompt, simultaneously performs feature extraction on the voice of the vehicle end user, analyzes the unique characteristics of the voice, simultaneously the voice control instruction module judges whether the user correctly recognizes the keyword, if the voice control instruction module judges that the user correctly recognizes the keyword, the self-learning is successful, the voice characteristics of the vehicle end user are set as the voice characteristics S2, otherwise, the self-learning is unsuccessful;
optionally, the preset speech features include speech feature S1 and speech feature S2.
Optionally, in the third step, after the user sends the voice control command, and after the microphone of the mobile phone collects the voice control command sent by the user, the voice information is transmitted to the voice control instruction module, and the voice control instruction module identifies whether the voice information meets the voice feature S1 or the voice feature S2; if yes, judging whether the voice keywords accord with a built-in vehicle body electrical appliance control key instruction in the voice control instruction module, if yes, recording the recognized voice instruction, and entering a fourth step; if not, it is recorded as "voice command not recognized", and the flow ends.
Optionally, the method further comprises the step of customizing the voice control instruction at a mobile phone end or an entertainment host end.
In a second aspect, the system for controlling the vehicle body electrical appliance by the vehicle exterior voice comprises a memory and a controller, wherein the memory stores a computer readable program, and the computer readable program can execute the steps of the method for controlling the vehicle body electrical appliance by the vehicle exterior voice according to the invention when being called by the controller.
In a third aspect, the invention provides a vehicle, and the system for controlling the electrical appliances of the vehicle body through the outside voice of the vehicle is adopted.
In a fourth aspect, the present invention provides a storage medium having a computer readable program stored therein, wherein the computer readable program, when being invoked by a controller, is capable of executing the steps of the method for controlling the body electrical apparatus by out-of-vehicle voice according to the present invention.
The invention has the following advantages:
(1) the invention effectively increases the effective distance of sound control of the automobile electrical appliances and realizes the control outside the automobile;
(2) the mobile phone end and the entertainment host end use the same voice control instruction module, and adopt a two-stage fusion recognition mode to perform voice recognition, so that voice interference of other people is avoided, and the reliability of voice recognition is improved;
(3) the invention allows 1-2 users to carry out voice control, the self-learning of the voice command can be realized through a mobile phone end or an entertainment host end, the operation is convenient, and the actual use requirements of the users are met;
in conclusion, the method realizes communication with the whole vehicle entertainment host through the mobile phone APP by means of the mobile phone end microphone and the built-in voice control instruction module, so that the voice control distance is increased, the method that a user can control the functions of the electric appliances of the vehicle through voices outside the vehicle is realized, the accurate recognition of the voice of the user is realized, and the limitation that the original voice control can only be realized inside the vehicle is eliminated.
Drawings
FIG. 1 is a flow chart of the present embodiment;
FIG. 2 is a flow chart of self-learning in the present embodiment;
fig. 3 is a flowchart of the custom function in this embodiment.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, in this embodiment, a method for controlling electrical appliances on a vehicle body by voice outside the vehicle includes the following steps:
step one, the same voice control system is arranged in vehicle control APPs of an entertainment host and a mobile phone, and a voice control instruction module in the voice control system comprises a plurality of vehicle body electrical appliance control key instructions;
step two, judging whether the voice control is used for the first time, if so, carrying out the voice control self-learning, specifically: reading keywords of a vehicle body electrical appliance control instruction, simultaneously extracting characteristics of sound, analyzing voice characteristics of the sound, judging whether a user correctly identifies the keywords by a voice control instruction module, and if self-learning succeeds, taking the voice characteristics as preset voice characteristics of a system; if the product is not used for the first time, the third step is carried out;
step three, the mobile phone end collects sound information and judges whether the sound characteristics of the sound information are matched with preset sound characteristics through a sound control instruction module in the mobile phone end, if so, the mobile phone enters step four, otherwise, the flow is ended;
step four, a voice control instruction module of the mobile phone end judges whether the voice signal contains voice control keywords; if yes, the voice control instruction module in the mobile phone sends a corresponding control instruction to the entertainment host, the entertainment host sends the control instruction to the corresponding vehicle body electrical appliance, and the vehicle body electrical appliance executes the control instruction, otherwise, the process is finished.
In this embodiment, the voice control instruction module stores all vehicle body electrical appliance control key instructions, such as "open the sunroof", "unlock the vehicle", "open the charging port", and the like.
In the embodiment, the same voice control instruction module and the same vehicle body electrical appliance control key instruction are used based on the mobile phone terminal and the in-vehicle entertainment host; because cell-phone end and amusement host computer end all can discern sound, have increased speech recognition reliability, let the user use more conveniently simultaneously.
In this embodiment, before the mobile phone end uses the voice control for the first time, the mobile phone end may prompt the user to perform the voice control learning, prompt a control keyword control instruction, the user reads the keyword of the control instruction according to the prompt, and simultaneously performs feature extraction on the voice of the user at the mobile phone end, analyzes the unique characteristic of the voice, and simultaneously the voice control instruction module determines whether the user correctly recognizes the keyword, if the voice control instruction module determines that the user correctly recognizes the keyword, it indicates that the self-learning is successful, and sets the voice characteristic of the user at the vehicle end as the voice characteristic S1, otherwise, it indicates that the self-learning is unsuccessful.
As shown in fig. 2, in the present embodiment, the self-learning process is as follows: the following steps are that the voice control process comprises the steps of voice recognition self-learning and setting the voice characteristics of the user:
s101, starting a voice control system in the APP through a mobile phone key, and selecting a voice control self-learning menu in the voice control system; at this time, the voice control system self-learns to output the voice prompt signal "owner, you good! Welcome to use voice command and please read according to the control command prompted by the security.
And S102, the user sends out a voice control command according to the system prompt.
S103, the mobile phone microphone collects voice signals and sends the voice signals to the voice control instruction module, and the voice control instruction module extracts the characteristics of the voice of a user.
S104, the system sets the sound characteristics S1.
And S105, recognizing the electrical appliance control keyword instruction by the voice control instruction module, and if the electrical appliance control keyword instruction is recognized, entering S106, otherwise, entering S108.
And S106, respectively sending out the voice control keywords for three times by the system for recognition.
S107, recognizing and feeding back a recognition result according to the voice sent by the user, and entering S108 when the recognition result is not recognized; after the identification is successful, the process proceeds to S109.
S108, feeding back 'voice command can not be identified'.
S109, the system prompts that the voice control recognition is successful and the learning is finished.
And S110, ending the process.
In the embodiment, before the entertainment host computer uses the voice control for the first time, the vehicle end prompts a user to perform voice control learning and prompts a control keyword control instruction, the user reads the keyword of the control instruction according to the prompt, meanwhile, the voice of the vehicle end user is subjected to feature extraction, the unique feature of the voice is analyzed, meanwhile, the voice control instruction module judges whether the user correctly identifies the keyword, if the voice control instruction module judges that the user correctly identifies the keyword, the self-learning success is shown, the voice feature of the vehicle end user is set as the voice feature S2, and otherwise, the self-learning failure is shown.
The self-learning process at the vehicle end is basically consistent with the self-learning steps at the mobile phone end.
In this embodiment, the preset speech features include speech features S1 and speech features S2. In the third step, after the user sends the voice control command, after the microphone of the mobile phone collects the voice control command sent by the user, the voice information is transmitted to the voice control command module, and the voice control command module identifies whether the voice information meets the voice characteristics S1 or S2; if yes, judging whether the voice keywords accord with a built-in vehicle body electrical appliance control key instruction in the voice control instruction module, if yes, recording the recognized voice instruction, and entering a fourth step; if not, it is recorded as "voice command not recognized", and the flow ends.
In the embodiment, the mobile phone or the entertainment host side APP is accessed to the voice control system through the key; the voice control system comprises a voice control system self-learning or voice control working interface, a default automatic login hook option is arranged on the voice control working interface, and besides initial voice control self-learning, the voice control system directly logs in to enter the APP voice control working interface.
In this embodiment, the voice control system self-learning includes the module outputting the voice prompt signal "owner, hello! The voice command is welcomed to be used, the voice command comprises 'please read the control command according to the prompt of the security', the voice control module carries out voice recognition on the input voice control signal, and when the voice recognition does not belong to S1 or S2, the system feeds back 'voice is not recognized'. After the voice recognition is passed, the system judges the voice command, feeds back and judges whether the reading instruction is correct or not, and outputs the next control instruction after the judgment is correct; when the judgment is incorrect, the feedback of 'speech command can not be recognized'.
In the embodiment, in order to enhance the accuracy of the control instruction, the voice control system recognizes the voice by adopting a two-stage fusion recognition mode of the mobile phone end and the entertainment host end, so that the voice interference of other people is avoided, and the voice recognition module can keep the expected recognition probability under the condition of inaccurate voice, so that the recognition rate of the voice recognition of the automobile voice control system can be greatly improved.
In this embodiment, the method for identifying the two-stage integration of the mobile phone and the entertainment host specifically includes:
(1) the voice control system comprises a voice control instruction module, wherein the voice control instruction module stores all vehicle body electrical appliance control key instructions, such as 'open skylight', 'vehicle unlock', 'open charging port' and the like, so that the same key instructions are used by the mobile phone end and the entertainment host end, and voice control commands inside and outside the vehicle are consistent;
(2) the voice control system is provided with a voice recognition technology and adopts an MFCC feature extraction voice feature flow. The user is before using speech control, and cell-phone APP can indicate the user to carry out speech control study, suggestion control keyword control command, and the user reads control command's keyword according to the suggestion, carries out the feature extraction to user's sound simultaneously, and the only characteristic of analysis pronunciation, the module judges whether the user correctly discerns the keyword simultaneously.
(3) The user characteristics of the mobile phone terminal and the entertainment host are set to be S1 and S2 respectively, and in order to ensure that the voice recognition coverage range recorded by the two terminals is comprehensive and avoid the deviation of S1 and S2, the voice characteristic range comprises S1 and S2. And after judging that the voice control command accords with the voice characteristics, the voice control command module identifies the keywords of the voice control command. The mobile phone end and the entertainment host can judge the sound characteristics of the user and the correctness of the keywords through the method, and the reliability of voice recognition is improved.
As shown in fig. 3, in this embodiment, the following is a related flow of the voice control customization function at the mobile phone end or the entertainment host end:
s201, clicking a user-defined voice control command menu by the voice control work interface.
S202, clicking a 'welcome function command custom input' or other custom function items of the system.
S203, prompting 'please speak the voice control command' by the system.
And S204, the user speaks the voice control command keywords to the microphone of the mobile phone.
And S205, the system identifies the voice keywords fed back by the microphone and displays the voice keywords on a system interface, gives a confirmation item, and clicks 'yes' or 'no'.
S206, after the user clicks 'No', the process reenters the S203 and the control command is re-entered.
S207, after the user confirms the command and clicks 'yes', the function setting is saved.
And S208, ending the process.
The method comprises the steps of freely setting voice control commands, completing the customization of greeting/object sending voice control commands, adding other customized control commands to the system according to the same mode, and improving the participation degree and interactivity of clients.
In this embodiment, a system for controlling a vehicle body electrical appliance by using a vehicle exterior voice includes a memory and a controller, where the memory stores a computer readable program, and the computer readable program, when called by the controller, can execute the steps of the method for controlling a vehicle body electrical appliance by using a vehicle exterior voice as described in this embodiment.
In this embodiment, a vehicle adopts the system for controlling body electrical appliances by using the speech outside the vehicle as described in this embodiment.
In this embodiment, a storage medium has a computer readable program stored therein, and when the computer readable program is called by a controller, the steps of the method for controlling the electric appliance on the vehicle body by the vehicle-exterior voice as described in this embodiment can be executed.
Claims (9)
1. A method for controlling electric appliances of a car body through voice outside a car is characterized by comprising the following steps:
step one, the same voice control system is arranged in vehicle control APPs of an entertainment host and a mobile phone, and a voice control instruction module in the voice control system comprises a plurality of vehicle body electrical appliance control key instructions;
step two, judging whether the voice control is used for the first time, if so, carrying out the voice control self-learning, specifically: reading keywords of a vehicle body electrical appliance control instruction, simultaneously extracting characteristics of sound, analyzing voice characteristics of the sound, judging whether a user correctly identifies the keywords by a voice control instruction module, and if self-learning succeeds, taking the voice characteristics as preset voice characteristics of a system; if the product is not used for the first time, the third step is carried out;
step three, the mobile phone end collects sound information and judges whether the sound characteristics of the sound information are matched with preset sound characteristics through a sound control instruction module in the mobile phone end, if so, the mobile phone enters step four, otherwise, the flow is ended;
step four, a voice control instruction module of the mobile phone end judges whether the voice signal contains voice control keywords; if yes, the voice control instruction module in the mobile phone sends a corresponding control instruction to the entertainment host, the entertainment host sends the control instruction to the corresponding vehicle body electrical appliance, and the vehicle body electrical appliance executes the control instruction, otherwise, the process is finished.
2. The method for the out-of-vehicle voice control of the car body electrical appliance according to claim 1, characterized in that: before the mobile phone end uses voice control for the first time, the mobile phone end can prompt a user to learn the voice control and prompt a control keyword control instruction, the user reads a keyword of the control instruction according to the prompt, meanwhile, feature extraction is carried out on the voice of the user at the mobile phone end, the unique characteristic of the voice is analyzed, meanwhile, the voice control instruction module judges whether the user correctly identifies the keyword, if the voice control instruction module judges that the user correctly identifies the keyword, the self-learning success is shown, the voice characteristic of the user at the vehicle end is set as the voice characteristic S1, and otherwise, the self-learning failure is shown.
3. The method for the out-of-vehicle voice control of the car body electrical appliance according to claim 2, characterized in that: before the entertainment host computer uses voice control for the first time, the vehicle end can prompt a user to perform voice control learning and prompt a control keyword control instruction, the user reads a keyword of the control instruction according to the prompt, feature extraction is performed on the voice of the user at the vehicle end, the unique feature of the voice is analyzed, the voice control instruction module judges whether the user correctly identifies the keyword, if the voice control instruction module judges that the user correctly identifies the keyword, the self-learning success is shown, the voice feature of the user at the vehicle end is set as the voice feature S2, and otherwise, the self-learning failure is shown.
4. The method for the out-of-vehicle voice control of the car body electrical appliance according to claim 3, characterized in that: the preset voice features include a voice feature S1 and a voice feature S2.
5. The method for out-of-vehicle voice control of car body appliances of claim 4, characterized in that: in the third step, after the user sends the voice control command, after the microphone of the mobile phone collects the voice control command sent by the user, the voice information is transmitted to the voice control command module, and the voice control command module identifies whether the voice information meets the voice characteristics S1 or S2; if yes, judging whether the voice keywords accord with a built-in vehicle body electrical appliance control key instruction in the voice control instruction module, if yes, recording the recognized voice instruction, and entering a fourth step; if not, it is recorded as "voice command not recognized", and the flow ends.
6. The method for the out-of-vehicle voice control of the car body electrical appliance according to any one of claims 1 to 5, characterized in that: and the voice control instruction is customized at the mobile phone end or the entertainment host end.
7. The system for controlling the electrical appliances on the vehicle body through the voice outside the vehicle comprises a storage and a controller, and is characterized in that: the memory is stored with a computer readable program which, when invoked by the controller, is capable of performing the steps of the method for out-of-vehicle voice control of body electrical appliances according to any of claims 1 to 6.
8. A vehicle, characterized in that: a system for controlling body appliances using off-board speech as claimed in claim 7.
9. A storage medium, characterized by: a computer readable program stored therein, which when invoked by a controller, is capable of performing the steps of the method for out-of-vehicle voice control of body electrical appliances according to any of claims 1 to 6.
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| CN202110963659.7A CN113763935A (en) | 2021-08-20 | 2021-08-20 | Method and system for controlling electric appliance of vehicle body through voice outside vehicle, vehicle and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114844980A (en) * | 2022-04-26 | 2022-08-02 | 重庆长安汽车股份有限公司 | Method and system for controlling vehicle through voice |
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Application publication date: 20211207 |