CN110929074A - Vehicle-mounted voice broadcasting method and system - Google Patents
Vehicle-mounted voice broadcasting method and system Download PDFInfo
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Abstract
The invention relates to the technical field of vehicles, and provides a vehicle-mounted voice broadcasting method and system. The vehicle-mounted voice broadcasting method comprises the following steps: acquiring a driving state of the automobile; determining an automobile driving scene corresponding to the automobile driving state; and calling target voice information corresponding to the determined automobile driving scene from a voice scene library, and broadcasting the target voice information, wherein a plurality of mapping relations comprising the automobile driving scene and prerecorded voice information are stored in the voice scene library. Therefore, the calling of the specific voice information in the automobile driving scene is realized, and the sound warning identification degree of the scene is higher; on the other hand, different recording sounds can be called under different automobile driving scenes based on the voice scene library, and a user can record corresponding voices individually, so that the user experience and the driving safety are improved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle-mounted voice broadcasting method and system.
Background
At present, with the vigorous popularization of the voice technology in the vehicle-mounted field, the increasing assembly rate, the marketing propaganda of manufacturers and laugh head, the attention of customers to voice broadcasting and voice recognition is higher and higher, the personalized broadcasting of the instrument alarm sound is added in a voice system, particularly in the scenes that the safety of a vehicle is influenced, such as the condition that a safety belt is not fastened and a vehicle door is not closed, the users are warned in time in a voice broadcasting mode, the current state of the vehicle can be auditorily prompted, and the safety of the vehicle and the user experience are improved.
However, the inventors of the present application found in practicing the present application that: different automobile manufacturers can define different alarm prompt tones, and at the present stage, the alarm tones (synthetic tones or recorded tones) with specific frequencies used by all automobile manufacturers do not use voice broadcast or the alarm prompt tones are customized by users; in addition, at the present stage, the vehicle cannot implement personalized alarm prompt aiming at the real-time driving scene, and the user experience and the safe driving performance are not high.
Disclosure of Invention
In view of the above, the present invention is directed to a vehicle-mounted voice broadcasting method, so as to at least solve the problem in the prior art that the alarm prompt sound is not pre-recorded and cannot be customized in the driving scene, resulting in low alarm recognition.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle-mounted voice broadcasting method comprises the following steps: acquiring a driving state of the automobile; determining an automobile driving scene corresponding to the automobile driving state; and calling target voice information corresponding to the determined automobile driving scene from a voice scene library, and broadcasting the target voice information, wherein a plurality of mapping relations comprising the automobile driving scene and prerecorded voice information are stored in the voice scene library.
Further, the mapping relationship is further configured to indicate a relationship among the driving scenario, the voice information, and a preconfigured priority, and the determined driving scenario is multiple, where the invoking of the target voice information corresponding to the determined driving scenario from the voice scenario library and the broadcasting of the target voice information include: calling a plurality of target voice information respectively corresponding to the plurality of determined automobile driving scenes and a plurality of priorities respectively corresponding to the plurality of automobile driving scenes from a voice scene library; and according to the priorities, preferentially broadcasting the target voice information with high priority in the target voice information.
Further, the method further comprises a voice scene library establishing step, wherein the voice scene library establishing step specifically comprises the following steps: displaying an automobile driving scene to which a voice broadcasting function is to be applied; collecting voice information and priority input by a user in response to the automobile driving scene; storing the driving scene of the automobile, the collected voice information and the priority in an associated manner to generate a mapping relation among the driving scene of the automobile, the collected voice information and the priority; and constructing the voice scene library according to the generated mapping relation.
Further, the constructing the speech scene library according to the generated mapping relationship includes: judging whether the number of the generated mapping relations exceeds a number threshold value; if the number of the generated mapping relations does not exceed the number threshold, determining that the establishment of the voice scene library fails; and if the generated number of the mapping relations exceeds the number threshold, determining that the voice scene library is successfully established.
Further, the vehicle-mounted voice broadcasting method further comprises the following steps: and triggering to display alarm prompt information corresponding to the determined automobile driving scene on a user interface of the vehicle-mounted terminal while broadcasting the target voice information.
Compared with the prior art, the vehicle-mounted voice broadcasting method has the following advantages:
the vehicle-mounted voice broadcasting method determines the vehicle driving scene corresponding to the acquired vehicle state in real time, calls the prerecorded target voice information corresponding to the vehicle driving scene based on the voice scene library, and broadcasts the target voice information. Therefore, on one hand, the calling of specific voice information in the automobile driving scene is realized, and the sound warning identification degree of the scene is higher; on the other hand, different recording sounds can be called under different automobile driving scenes based on the voice scene library, and a user can record corresponding voices individually, so that the user experience and the driving safety are improved.
Another objective of the present invention is to provide a vehicle-mounted voice broadcasting system, so as to at least solve the problem in the prior art that the alarm prompt sound is not pre-recorded and cannot be customized in the driving scene, resulting in low alarm recognition.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a vehicle-mounted voice broadcast system, vehicle-mounted voice broadcast system includes: the driving state acquisition unit is used for acquiring the driving state of the automobile; the driving scene determining unit is used for determining an automobile driving scene corresponding to the automobile driving state; and the voice broadcasting unit is used for calling the target voice information corresponding to the determined automobile driving scene from a voice scene library and broadcasting the target voice information, wherein the voice scene library stores a plurality of mapping relations comprising the automobile driving scene and the prerecorded voice information.
Further, the mapping relationship is further configured to indicate a relationship between the driving scene, the voice information, and a preconfigured priority, and the determined driving scene is multiple, where the voice broadcast unit includes: the voice information calling module is used for calling a plurality of target voice information respectively corresponding to the plurality of determined automobile driving scenes from a voice scene library and a plurality of priorities respectively corresponding to the plurality of automobile driving scenes; and the voice broadcasting module is used for preferentially broadcasting the target voice information with high priority in the target voice information according to the priorities.
Further, the system further includes a speech scene library establishing unit, where the speech scene library establishing unit specifically includes: the scene display module is used for displaying the automobile driving scene to which the voice broadcast function is to be applied; the database information acquisition module is used for acquiring voice information and priority input by a user in response to the automobile driving scene; and the library construction module is used for constructing the voice scene library according to the generated mapping relation.
Further, the library building module comprises: a quantity threshold judgment component for judging whether the quantity of the generated mapping relation exceeds a quantity threshold; a library establishment failure determining component, configured to determine that the voice scene library is established in failure if the number of the generated mapping relationships does not exceed the number threshold; and a library establishment success determining component, configured to determine that the speech scene library is established successfully if the number of the generated mapping relationships exceeds the number threshold.
Further, the system further comprises: and the warning interface triggering unit is used for displaying warning prompt information corresponding to the determined automobile driving scene on a user interface of the vehicle-mounted terminal while broadcasting the target voice information.
Compared with the prior art, the vehicle-mounted voice broadcasting system and the vehicle-mounted voice broadcasting method have the same advantages, and are not repeated herein.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a vehicle-mounted voice broadcasting method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an architecture of a vehicle-mounted voice broadcasting method according to an embodiment of the present invention;
fig. 3 is a block diagram of a vehicle-mounted voice broadcast system according to an embodiment of the present invention.
Description of reference numerals:
10 vehicle-mounted information entertainment system host 101 voice noise reduction module
102 processor 103 memory
104 microphone 105 display
20 ABM
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
In addition, the driving state of the vehicle in the embodiment of the present invention refers to one or more state information of the vehicle, such as seat belt information, oil amount information, door information, key information, oil pressure information, and tire pressure information, which may be used to indicate various driving states of the vehicle, such as corresponding seat belt state, oil amount state, door state, and the like.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, a vehicle-mounted voice broadcasting method according to an embodiment of the present invention includes:
and S11, acquiring the driving state of the automobile.
The object of execution of the method according to the embodiment of the present invention may be a host of an in-vehicle infotainment system, and may also be a machine (e.g., a processor) cooperating with a machine-readable storage medium configured with instructions that when executed by the machine implement the in-vehicle voice broadcast method according to the embodiment of the present invention.
The manner of acquiring the driving state of the vehicle according to the embodiment of the present invention may be that the host computer or the processor is connected to the vehicle CAN to receive various driving state information of the vehicle from the vehicle CAN.
And S12, determining the automobile driving scene corresponding to the automobile driving state.
Specifically, the driving state information of the vehicle may be compared with a preset standard threshold value to determine a driving scene of the vehicle, for example, the acquired fuel amount may be compared with a preset fuel amount standard value to determine whether the fuel amount of the vehicle is insufficient to determine whether the fuel amount is insufficient; the acquired tire pressure can be compared with a preset tire pressure standard value, so that whether the tire pressure of the automobile is too high or too low is determined, and whether an automobile driving scene with too high tire pressure or too low tire pressure exists is determined. In an alternative embodiment, it may be determined directly from the driving state of the vehicle, for example the driving state of the vehicle may be seatbelt unbelted information, thereby determining that the corresponding driving scenario of the vehicle is "unbelted".
And S13, calling target voice information corresponding to the determined automobile driving scene from the voice scene library and broadcasting the target voice information, wherein the voice scene library stores a plurality of mapping relations comprising the automobile driving scene and the prerecorded voice information.
It should be noted that, in this embodiment, the emphasis is on the application of the voice scene library storing a plurality of mapping relationships including the driving scene of the automobile and the prerecorded voice information, so as to obtain the target voice; regarding the establishment of the speech scene library, it may be in any manner, for example, it may be existing, or may be provided in the following in the embodiment of the present invention, and all fall into the protection scope of the present invention; in addition, the mapping relationship in the voice scene library may include any other suitable parameters (such as priority information described below) besides the driving scene of the vehicle and the pre-recorded voice information, and all fall within the scope of the present invention.
In some preferred embodiments, the mapping relationship in the library may be a relationship indicating a driving situation of the vehicle, the voice information, and a pre-configured priority, and when the acquired driving situation of the vehicle is multiple and the corresponding determined driving situation of the vehicle is multiple, the mapping relationship may be a relationship calling a plurality of target voice information and a plurality of priorities respectively corresponding to the determined driving situations of the vehicle from the voice scene library, and then preferentially broadcasting the target voice information with a higher priority among the plurality of target voice information according to the plurality of priorities.
As shown in table 1, an example of a base table structure of a voice scene base according to an embodiment of the present invention is shown, where the base table includes driving scenes, priorities, broadcast frequencies, and voice information. When the driving scenes of the automobiles with the sequence number 1 (the automobile doors are not closed and the automobile speed is more than 6km/h) and the driving scenes of the automobiles with the sequence number 6 (fuel shortage) are detected at the same time, the priorities corresponding to the driving scenes of the automobiles with the sequence number 1 are compared, wherein the priority (1) corresponding to the driving scene of the automobiles with the sequence number 1 is obviously higher than the priority (5) corresponding to the driving scene of the automobiles with the sequence number 6, so that the voice warning information 'the automobile doors are not closed and please notice' corresponding to the sequence number 1 is broadcasted preferentially, but the voice warning information 'fuel shortage' with relatively low danger is broadcasted, and the safety is improved.
In some preferred embodiments, when there are a plurality of driving scenes corresponding to the same priority among the determined driving scenes of the vehicle, the plurality of driving scenes belonging to the same priority may be sequentially broadcasted in a queue manner.
TABLE 1
As shown in fig. 2, the architecture of the vehicle-mounted voice broadcasting method according to an embodiment of the present invention includes a vehicle-mounted infotainment System host 10, and the vehicle-mounted infotainment System host 10 is configured with a microphone 104, a voice noise reduction module 101, a processor 102, a memory 103, and a display 105, where the noise reduction module 101 may also have a voice recognition function to recognize voice recorded by a user, the processor 102 may be an SOC (System on Chip), the memory 103 may be an EMCC (Embedded MultiMedia Card), and the display 105 may be a touch screen. In a preferred embodiment of the present invention, a construction process of a voice scene library is further provided, which may specifically be that the display 105 displays an automobile driving scene to which a voice broadcast function is to be applied, for example, each application scene in table 1 may be displayed; then, the user records voice according to the displayed user scene, and based on the voice information input by the user collected by the microphone 104 and the priority collected by the display 105 or other interactive devices, the priority of the sound warning can be configured by the user in a personalized manner, so that the user experience is improved, and preferably, the voice information prompt content corresponding to the voice scene can be displayed on the display 105, so that the user input is suggested; then, the voice denoising module 101 performs denoising processing on the voice information, and preferably, the denoising module may also be configured with a voice recognition function so as to compare the voice information input by the user with the information suggested to be input; finally, the processor 102 associates and stores the displayed driving scene of the vehicle with the noise-reduced voice information and priority to generate a corresponding mapping relationship, constructs a voice scene library according to a plurality of mapping relationships, and stores the voice scene library in the memory 103.
In some preferred embodiments, when constructing the voice scene library, it may be determined whether the number of generated mapping relationships exceeds a number threshold, and it may be determined that the voice scene library is successfully established and corresponding personalized scene voice packets are generated only when the number of generated mapping relationships exceeds the number threshold (for example, 8 pieces of mapping relationships); however, when the number of generated mapping relationships does not exceed the number threshold, it is determined that the speech scene library establishment has failed. In a preferred embodiment, the number threshold may be a total number indicating the number corresponding to all mapping relationships in the voice scene library, so that the voice scene library may be successfully established only when corresponding voice information exists in all driving scenes of the vehicle.
As an example, when recording a user voice, there may be the following requirements: 1. in order to ensure the definition of the finally output voice broadcast, a user is advised to record in a relatively quiet scene; 2. after one "drop" of the system, the user can start recording; 3. the recording time of the single voice broadcast content is required to be no more than 5s at most, and the voice broadcast content automatically jumps to the next voice broadcast content after 5 s; if the last voice is recorded, ending the current voice recording when the recording time exceeds 5 s; the time length of the recorded content is 5s when the content is overtime, and the system informs the user whether to adopt the content; 4. in the recording process, when the system monitors that the user does not speak and does not recognize effective voice input, the system prompts the user to 'not hear clearly' and records the current item content again; 5. when the system successfully records one voice item, the successfully recorded voice item is prestored, and a complete broadcast voice packet is generated after all the successfully recorded voice items are successfully recorded; if the voice packet is cancelled in the midway, the broadcast voice packet is not generated.
In the implementation process of the vehicle-mounted voice broadcast method according to the embodiment of the present invention, a seat belt state signal generated by an ABM (Air bag module) 20 may be input into the processor 102 through an interface, the processor 102 analyzes a driving scene of the vehicle corresponding to the seat belt state signal in real time, and then the processor 102 calls corresponding target voice information from a voice scene library in the memory 103 and outputs the target voice information through a speaker (not shown). Preferably, the vehicle-mounted terminal triggers the display of the alarm prompt information corresponding to the determined driving scene of the automobile on a user interface (such as the display 105) of the vehicle-mounted terminal at the same time of broadcasting the target voice information, and the alarm prompt information can be text content matched with or associated with the target voice information.
Under an application scene of the embodiment of the invention, a user can select and set the on and off of the personalized broadcast in the infotainment system through a menu; when the personalized broadcasting is started, the system gives a text prompt of recording My sound; in the interface of recording my sound, the user can only record personalized sound in a specific scene in consideration of the priority and the emergency degree of the vehicle alarm prompt interface; for example: the situations of unbuckled safety belts, insufficient fuel, unclosed vehicle doors, overhigh vehicle speed and the like relate to the driving safety of the vehicle, and a vehicle owner can record the recording according to related prompts; during voice broadcasting, when alarm scenes such as 'safety belt is not fastened', 'fuel shortage' and the like occur, the newly generated personalized voice packet takes effect; the original meter alarms, and meanwhile, the self-definition and personalized broadcasting of an owner is added; if when "the safety belt is not fastened", the system can carry out voice broadcast when display screen interface (or pilot lamp) show: please fasten the safety belt and pay attention to safety (the sound recorded by the car owner); after the voice recording is finished, the system generates personalized voice packets, and generally 10 personalized voice packets can be stored at the same time; the generated personalized voice packet can be directly applied, and each personalized voice message can contain various alarm prompts which are allowed to be recorded by the system; the voice broadcast in the infotainment system can be used for personalized voice recording and broadcasting of various alarm prompt scenes (as shown in table 1).
In the embodiment of the invention, a personalized and customized voice broadcasting mode is realized, voice information is not limited to the prompting and alarming sound of the original vehicle, a vehicle owner can customize the broadcasting content of the vehicle owner according to the preference, and when the broadcasting information is triggered in a specified scene, the system calls the customized broadcasting content.
As shown in fig. 3, a vehicle-mounted voice broadcast system 30 according to an embodiment of the present invention includes: a driving state acquisition unit 301 for acquiring a driving state of the vehicle; a driving scene determining unit 302, configured to determine a driving scene of the vehicle corresponding to the driving state of the vehicle; the voice broadcasting unit 303 is configured to call target voice information corresponding to the determined car driving scene from a voice scene library, and broadcast the target voice information, where the voice scene library stores a plurality of mapping relationships between the car driving scene and pre-recorded voice information.
In some embodiments, the mapping relationship is further configured to indicate a relationship between the driving scene of the vehicle, the voice information, and a preconfigured priority, and the determined driving scene of the vehicle is multiple, where the voice broadcasting unit 303 includes: a voice information calling module (not shown) for calling a plurality of target voice information respectively corresponding to the determined plurality of automobile driving scenes and a plurality of priorities respectively corresponding to the plurality of automobile driving scenes from a voice scene library; and a voice broadcast module (not shown) configured to preferentially broadcast, according to the multiple priorities, target voice information with a higher priority among the multiple target voice information.
In some embodiments, the system 30 further includes a speech scene library establishing unit (not shown), where the speech scene library establishing unit specifically includes: the scene display module is used for displaying the automobile driving scene to which the voice broadcast function is to be applied; the database information acquisition module is used for acquiring voice information and priority input by a user in response to the automobile driving scene; and the library construction module is used for constructing the voice scene library according to the generated mapping relation.
In some embodiments, the library building module comprises: a quantity threshold judgment component for judging whether the quantity of the generated mapping relation exceeds a quantity threshold; a library establishment failure determining component, configured to determine that the voice scene library is established in failure if the number of the generated mapping relationships does not exceed the number threshold; and a library establishment success determining component, configured to determine that the speech scene library is established successfully if the number of the generated mapping relationships exceeds the number threshold.
In some embodiments, the system 30 further comprises: and the warning interface triggering unit (not shown) is used for displaying warning prompt information corresponding to the determined automobile driving scene on a user interface of the vehicle-mounted terminal while broadcasting the target voice information.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A vehicle-mounted voice broadcasting method is characterized by comprising the following steps:
acquiring a driving state of the automobile;
determining an automobile driving scene corresponding to the automobile driving state;
and calling target voice information corresponding to the determined automobile driving scene from a voice scene library, and broadcasting the target voice information, wherein a plurality of mapping relations comprising the automobile driving scene and prerecorded voice information are stored in the voice scene library.
2. The vehicle-mounted voice broadcasting method according to claim 1, wherein the mapping relationship is further configured to indicate a relationship among the driving scene of the vehicle, the voice information, and a preconfigured priority, and the determined driving scene of the vehicle is plural, and the invoking of the target voice information corresponding to the determined driving scene of the vehicle from the voice scene library and the broadcasting of the target voice information comprises:
calling a plurality of target voice information respectively corresponding to the plurality of determined automobile driving scenes and a plurality of priorities respectively corresponding to the plurality of automobile driving scenes from a voice scene library;
and according to the priorities, preferentially broadcasting the target voice information with high priority in the target voice information.
3. The vehicle-mounted voice broadcasting method according to claim 2, further comprising a voice scene library establishing step, wherein the voice scene library establishing step specifically comprises:
displaying an automobile driving scene to which a voice broadcasting function is to be applied;
collecting voice information and priority input by a user in response to the automobile driving scene;
storing the driving scene of the automobile, the collected voice information and the priority in an associated manner to generate a mapping relation among the driving scene of the automobile, the collected voice information and the priority; and
and constructing the voice scene library according to the generated mapping relation.
4. The vehicle-mounted voice broadcasting method according to claim 3, wherein the constructing the voice scene library according to the generated mapping relationship includes:
judging whether the number of the generated mapping relations exceeds a number threshold value;
if the number of the generated mapping relations does not exceed the number threshold, determining that the establishment of the voice scene library fails; and
and if the generated number of the mapping relations exceeds the number threshold, determining that the voice scene library is successfully established.
5. The vehicle-mounted voice broadcasting method according to claim 1, further comprising:
and triggering to display alarm prompt information corresponding to the determined automobile driving scene on a user interface of the vehicle-mounted terminal while broadcasting the target voice information.
6. The utility model provides a vehicle-mounted voice broadcast system, its characterized in that, vehicle-mounted voice broadcast system includes:
the driving state acquisition unit is used for acquiring the driving state of the automobile;
the driving scene determining unit is used for determining an automobile driving scene corresponding to the automobile driving state;
and the voice broadcasting unit is used for calling the target voice information corresponding to the determined automobile driving scene from a voice scene library and broadcasting the target voice information, wherein the voice scene library stores a plurality of mapping relations comprising the automobile driving scene and the prerecorded voice information.
7. The vehicle-mounted voice broadcasting system according to claim 6, wherein the mapping relationship is further configured to indicate a relationship among the driving scene, the voice information, and a preconfigured priority, and the determined driving scene is plural, and wherein the voice broadcasting unit includes:
the voice information calling module is used for calling a plurality of target voice information respectively corresponding to the plurality of determined automobile driving scenes from a voice scene library and a plurality of priorities respectively corresponding to the plurality of automobile driving scenes;
and the voice broadcasting module is used for preferentially broadcasting the target voice information with high priority in the target voice information according to the priorities.
8. The vehicle-mounted voice broadcasting system according to claim 7, wherein the system further comprises a voice scene library establishing unit, wherein the voice scene library establishing unit specifically comprises:
the scene display module is used for displaying the automobile driving scene to which the voice broadcast function is to be applied;
the database information acquisition module is used for acquiring voice information and priority input by a user in response to the automobile driving scene;
and the library construction module is used for constructing the voice scene library according to the generated mapping relation.
9. The vehicle-mounted voice broadcasting system according to claim 8, wherein the library construction module includes:
a quantity threshold judgment component for judging whether the quantity of the generated mapping relation exceeds a quantity threshold;
a library establishment failure determining component, configured to determine that the voice scene library is established in failure if the number of the generated mapping relationships does not exceed the number threshold; and
and the database establishment success determining component is used for determining that the voice scene database is established successfully if the number of the generated mapping relations exceeds the number threshold.
10. The vehicle-mounted voice broadcast system according to claim 6, wherein the system further comprises:
and the warning interface triggering unit is used for displaying warning prompt information corresponding to the determined automobile driving scene on a user interface of the vehicle-mounted terminal while broadcasting the target voice information.
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| CN111966221A (en) * | 2020-08-10 | 2020-11-20 | 广州汽车集团股份有限公司 | In-vehicle interaction processing method and device |
| CN112017667A (en) * | 2020-09-04 | 2020-12-01 | 华人运通(上海)云计算科技有限公司 | Voice interaction method, vehicle and computer storage medium |
| CN113409615A (en) * | 2021-06-18 | 2021-09-17 | 深圳市易流科技股份有限公司 | Driver monitoring system and driver monitoring method |
| CN113538944A (en) * | 2021-06-11 | 2021-10-22 | 广汽本田汽车有限公司 | Configuration system, method, equipment and storage medium of automobile voice prompt information |
| CN113793588A (en) * | 2021-09-15 | 2021-12-14 | 深圳创维－Rgb电子有限公司 | Intelligent voice prompt method, device, equipment and storage medium |
| CN113872838A (en) * | 2021-08-24 | 2021-12-31 | 爱驰汽车有限公司 | Vehicle-mounted control system and method, and processing method of video data and audio data |
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| CN114302239A (en) * | 2021-12-28 | 2022-04-08 | 阿维塔科技(重庆)有限公司 | Vehicle end voice broadcast configuration method, device and equipment |
| CN114333239A (en) * | 2020-09-30 | 2022-04-12 | 宝能汽车集团有限公司 | Vehicle, vehicle early warning method and device and computer readable storage medium |
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