CN117041813A - Vehicle multimedia volume self-adaptive adjusting method, system and equipment - Google Patents
Vehicle multimedia volume self-adaptive adjusting method, system and equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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Abstract
The application discloses a vehicle volume self-adaptive adjusting method, a system and equipment, belongs to the technical field of multimedia volume control, and is used for solving the technical problem that the existing vehicle volume adjusting method is poor in volume adjusting precision due to the fact that noise change caused by vehicle driving speed change is not considered. The method comprises the following steps: performing motion calibration on a current model vehicle to obtain a noise change curve of the current model vehicle; determining a noise change turning point of the current model vehicle according to the noise change curve; acquiring real-time motion information of a current model vehicle; determining corresponding volume parameters according to the real-time motion information and the noise change turning points; and determining the sound output volume value of the current model vehicle according to the volume parameter. Vibration caused by the change of the driving speed of the vehicle and noise change caused by the vibration are fully considered, so that the precision and accuracy of volume calculation are improved, and erroneous judgment is not easy to cause.
Description
Technical Field
The present application relates to the field of multimedia volume control technologies, and in particular, to a method, a system, and an apparatus for adaptively adjusting volume of a vehicle multimedia.
Background
Along with the improvement of the living standard of people, the popularity of the vehicle is higher, the comfort requirement of the user in the driving process of the vehicle is continuously improved, and in order to make the driver relax more in the driving process, the fatigue caused by long-distance driving is reduced, and most drivers can choose to adopt the vehicle-mounted multimedia device to play music so as to relieve the pressure.
However, because the noise generated by the structures such as the engine and the like is inevitably generated in the running process of the vehicle, and part of the noise is transmitted into the cab, the environment in the cab is noisy, and in the running process of the vehicle, the faster the speed of the vehicle is, the higher the rotating speed of the engine is, the larger the noise is, and the noise in the cab is also changed along with the speed of the vehicle due to the fact that the running speed of the vehicle is not unique, so that the driver needs to adjust the volume of music played by the multimedia device according to the actual situation, in the prior art, the volume is adjusted by adopting a button type structure, the driver needs to manually control the volume, and although the operation is simple, the driver needs to operate by himself when adjusting to the proper volume, the energy of the driver is consumed to a certain extent, the driving experience is influenced, and the concentration of the driver on the driving of the vehicle is reduced; in view of this, in the prior art, a multimedia device capable of automatically adjusting the volume is proposed, but most multimedia devices adjust the volume of music played by the multimedia device according to the volume in the cab or the volume in the surrounding environment of the vehicle body, and noise caused by vibration caused by the change of the driving speed of the vehicle is not considered, so that the structure is complex, misjudgment is easily caused, and the volume adjustment precision is poor.
Disclosure of Invention
The embodiment of the application provides a vehicle multimedia volume self-adaptive adjusting method, system and equipment, which are used for solving the following technical problems: the existing vehicle volume adjusting method does not consider noise change caused by vehicle driving speed change, so that the volume adjusting precision is poor.
The embodiment of the application adopts the following technical scheme:
in one aspect, an embodiment of the present application provides a method for adaptively adjusting volume of a vehicle multimedia, where the method includes: performing motion calibration on a current model vehicle to obtain a noise change curve of the current model vehicle;
determining a noise change turning point of the current model vehicle according to the noise change curve;
acquiring real-time motion information of a current model vehicle;
determining corresponding volume parameters according to the real-time motion information and the noise change turning points;
and determining the sound output volume value of the current model vehicle according to the volume parameter.
In a possible implementation manner, the motion calibration is performed on the current model vehicle to obtain a noise change curve of the current model vehicle, which specifically includes:
acquiring the vehicle speed, the engine speed and the corresponding cab noise value of the current model of vehicle in the highest forward gear state;
and drawing a change curve of the noise value of the cab based on the vehicle speed and the engine speed according to the vehicle speed and the engine speed, and obtaining the noise change curve.
In a possible implementation manner, according to the noise change curve, determining a noise change turning point of the current model vehicle specifically includes:
calculating the slope of each point in sequence from the lowest point of the vehicle speed until the first slope smaller than a preset threshold value is read, and stopping calculating;
and reading the corresponding cab noise value at the moment, and determining the cab noise value as the noise change turning point.
In a possible implementation manner, the method for acquiring the real-time motion information of the current model vehicle specifically includes:
reading real-time motion information from a CAN bus of a vehicle of the current model through a CAN transceiver; the real-time motion information comprises a real-time vehicle speed value and a real-time engine rotating speed value;
and sending the read real-time motion information to a multimedia MCU processor.
In a possible implementation manner, determining the corresponding volume parameter according to the real-time motion information and the noise change turning point specifically includes:
determining a noise influence coefficient according to the real-time vehicle speed value and the noise change turning point;
determining the volume parameter N according to n=m×v/N;
wherein M is the noise influence coefficient, V is the real-time speed value of the current model vehicle, and N is the real-time engine speed value of the current model vehicle.
In a possible implementation manner, determining a noise influence coefficient according to the real-time vehicle speed value and the noise change turning point specifically includes:
when the real-time vehicle speed value is smaller than the vehicle speed value corresponding to the noise change turning point, setting the noise influence coefficient M to be 1;
and when the real-time vehicle speed value is larger than or equal to the vehicle speed value corresponding to the noise change turning point, setting the noise influence coefficient M to be 0.3.
In a possible implementation manner, determining the sound output volume value of the current model vehicle according to the volume parameter specifically includes:
setting the music playing volume set by a user when the vehicle is idling as a volume initial value;
obtaining calibration parameters;
and determining the sound output sound volume value of the vehicle with the current model according to the sound volume initial value, the calibration parameter and the sound volume parameter.
In a possible implementation manner, determining the sound output volume value of the current model vehicle according to the volume initial value, the calibration parameter and the volume parameter specifically includes:
according to y=b×n+y 0 Determining an acoustic output volume value Y of the current model vehicle; wherein the method comprises the steps ofB is a calibration parameter, and the calibration parameters of different vehicle types are different; y is Y 0 The volume initial value is the volume initial value; n is the volume parameter.
In a second aspect, an embodiment of the present application further provides a system for adaptively adjusting volume of a vehicle multimedia, where the system includes: the calibration module is used for performing motion calibration on the current model of vehicle to obtain a noise change curve of the current model of vehicle; determining a noise change turning point of the current model vehicle according to the noise change curve;
the volume control module is used for acquiring real-time motion information of the current model vehicle; determining corresponding volume parameters according to the real-time motion information and the noise change turning points; and determining the sound output volume value of the current model vehicle according to the volume parameter.
In a third aspect, an embodiment of the present application further provides a device for adaptively adjusting volume of a multimedia of a vehicle, where the device includes: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a method for adaptive volume adjustment of vehicular multimedia according to any one of the embodiments described above.
Compared with the prior art, the method, the system and the equipment for adaptively adjusting the volume of the vehicle multimedia have the following beneficial effects:
according to the application, the relation between the rotating speed and the vehicle speed of the vehicle and the noise in the cab is determined by calibrating the rotating speed and the vehicle speed of the vehicle and the noise in the cab, the noise curve is divided into a rapid rising stage and a slow rising stage according to the change trend of the noise curve, and vibration caused by the change of the driving speed of the vehicle and noise change caused by the vibration are fully considered, so that the precision and the accuracy of volume calculation are improved, misjudgment is not easy to cause, and better hearing experience is provided for users.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art. In the drawings:
fig. 1 is a flow chart of a method for adaptively adjusting volume of a vehicle multimedia according to an embodiment of the present application;
fig. 2 is a diagram of a logic architecture for adaptive volume adjustment of vehicle multimedia according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a system for adaptively adjusting volume of a vehicle multimedia according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a vehicle multimedia volume adaptive adjustment device according to an embodiment of the present application.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
The embodiment of the application provides a volume self-adaptive adjustment method of vehicle multimedia, as shown in fig. 1, the volume self-adaptive adjustment method of vehicle multimedia specifically comprises steps S101-S105:
s101, performing motion calibration on a current model vehicle to obtain a noise change curve of the current model vehicle.
Each model is different according to the location, and the cab sound insulation effect of design is also different. But the proportional relation between the vehicle speed and the engine speed and the noise value in the cab is not changed. Therefore, the application calibrates the vehicle speed, the engine rotating speed and the noise value in the cab of different vehicle types, thereby obtaining the relation curve among the vehicle speed, the engine and the noise value in the cab of each vehicle type.
Specifically, a vehicle speed, an engine speed, and a corresponding cab noise value of a current model vehicle in a highest forward gear state are obtained. And drawing a change curve of the noise value of the cab based on the vehicle speed and the engine speed according to the vehicle speed and the engine speed, and obtaining the noise change curve.
As a possible implementation mode, the vehicle speed is taken as an x axis, the engine speed is taken as a y axis, the noise value in the cab is taken as a z axis, and a noise change curve is drawn according to the collected calibration data.
S102, determining the noise change turning point of the current model vehicle according to the noise change curve.
According to the actual calibrated noise change curve, the noise in the cab rises along with the rising of the vehicle speed and the rotating speed, and two stages, namely a rapid rising stage and a slow rising stage exist. Through real vehicle calibration, the demarcation point of the rapid rising and the slow rising of the noise can be calculated.
Specifically, starting from the lowest point of the vehicle speed, sequentially calculating the slope at each point until the first slope smaller than a preset threshold value is read, and stopping calculation; and reading the corresponding cab noise value at the moment, and determining the cab noise value as the noise change turning point.
As a possible implementation manner, the slope of the curve at the point corresponding to the minimum vehicle speed on the curve is calculated, and if the slope of the curve at the point is greater than or equal to the preset threshold, the slope of the curve at the next point is continuously calculated. When a first curve slope smaller than a preset threshold value is obtained, a point corresponding to the slope is determined, and a cab noise value, a vehicle speed value and an engine speed value corresponding to the point are read in a coordinate system.
S103, acquiring real-time motion information of the current model vehicle.
Specifically, the real-time motion information is read from a CAN bus of a vehicle of the current model through a CAN transceiver; and sending the read real-time motion information to a multimedia MCU processor. The real-time motion information comprises a real-time vehicle speed value and a real-time engine rotating speed value;
as a feasible implementation mode, the existing meters comprise CAN transceiver devices, and CAN rapidly send out some vehicle information in a CAN signal mode.
S104, determining corresponding volume parameters according to the real-time motion information and the noise change turning points.
Specifically, determining a noise influence coefficient according to the real-time vehicle speed value and the noise change turning point specifically includes:
when the real-time vehicle speed value V is smaller than the vehicle speed value corresponding to the noise change turning point, setting the noise influence coefficient M as 1; when the real-time vehicle speed value V is larger than or equal to the vehicle speed value corresponding to the noise change turning point, the noise influence coefficient M is set to be 0.3.
Further, according to n=m×v/N, determining a volume parameter N; m is a noise influence coefficient, V is a real-time speed value of a current model vehicle, the unit is Km/h, N is a real-time engine speed value of the current model vehicle, and the unit is 100 revolutions per minute.
S105, determining the sound output volume value of the current model vehicle according to the volume parameter.
Specifically, in the running process of the vehicle, the volume of the multimedia output is adjusted in real time according to the volume parameter n, so that the effect of adaptively adjusting the volume of the sound equipment is achieved.
First, the music play volume set by the user when the vehicle is idling is set as the volume initial value. And then obtaining calibration parameters.
Further, determining the sound output volume value of the current model vehicle according to the volume initial value, the calibration parameter and the volume parameter specifically includes:
according to y=b×n+y 0 Determining the sound of the current model vehicleOutputting a sound volume value Y in a sound way; wherein, B is a calibration parameter, and the calibration parameters of different vehicle types are different; y is Y 0 Is the initial value of volume; n is the volume parameter.
The multimedia device sets the current sound volume to the calculated sound output volume value Y.
As a possible implementation manner, fig. 2 is a schematic diagram of a volume adaptive adjustment logic structure of a vehicle multimedia according to an embodiment of the present application, and as shown in fig. 2, the overall operation logic of the present application is as follows: the rotation speed information and the vehicle speed information of the vehicle are acquired through the CAN transceiver and are sent to the multimedia MCU processor for information collection and processing, then MCU calculation is carried out through the formula, and the sound output sound volume value is calculated and applied to the multimedia sound.
The application determines the relation between the rotating speed and the vehicle speed of the vehicle and the noise in the cab by calibrating the rotating speed and the vehicle speed of the vehicle and the noise in the cab. The noise curve is divided into a rapid rising stage and a slow rising stage by analyzing the variation trend of the noise curve, different noise variations caused by different variations of the driving speed of the vehicle are fully considered, in the subsequent volume calculation, the different noise variations are considered, volume parameters adapting to the vehicle speed, the rotating speed and the different noise rising stages are designed, calibration coefficients are introduced, and the vehicles of different models are distinguished, so that the calculated volume is more suitable for the vehicles of the current model. Therefore, the precision and accuracy of volume calculation are improved, misjudgment is not easy to occur, and better hearing experience is provided for users. The device has simple structure, only the CAN transceiver is added in the multimedia device for receiving and transmitting data, and other algorithms are completed in the multimedia MCU processor, so that the device is convenient to realize without adding excessive structures.
In addition, the embodiment of the application further provides a system for adaptively adjusting the volume of the vehicle multimedia, and fig. 3 is a schematic structural diagram of the system for adaptively adjusting the volume of the vehicle multimedia according to the embodiment of the application, as shown in fig. 3, the system 300 for adaptively adjusting the volume of the vehicle multimedia specifically includes:
the calibration module 310 is used for performing motion calibration on the vehicle of the current model to obtain a noise change curve of the vehicle of the current model; determining a noise change turning point of the current model vehicle according to the noise change curve;
the volume control module 320 is configured to obtain real-time motion information of a vehicle of a current model; determining corresponding volume parameters according to the real-time motion information and the noise change turning points; and determining the sound output volume value of the current model vehicle according to the volume parameter.
In addition, the embodiment of the application further provides a device for adaptively adjusting the volume of the vehicle multimedia, and fig. 4 is a schematic structural diagram of the device for adaptively adjusting the volume of the vehicle multimedia, as shown in fig. 4, where the device for adaptively adjusting the volume of the vehicle multimedia specifically includes:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform:
performing motion calibration on a current model vehicle to obtain a noise change curve of the current model vehicle;
determining a noise change turning point of the current model vehicle according to the noise change curve;
acquiring real-time motion information of a current model vehicle;
determining corresponding volume parameters according to the real-time motion information and the noise change turning points;
and determining the sound output volume value of the current model vehicle according to the volume parameter.
The system, apparatus, module or unit set forth in the above embodiments may be implemented in particular by a computer chip or entity, or by a product having a certain function. One typical implementation is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being functionally divided into various units, respectively. Of course, the functions of each element may be implemented in one or more software and/or hardware elements when implemented in the present specification.
It will be appreciated by those skilled in the art that the present description may be provided as a method, system, or computer program product. Accordingly, the present specification embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present description embodiments may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present description is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the specification. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The description may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The specification may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for apparatus, devices, non-volatile computer storage medium embodiments, the description is relatively simple, as it is substantially similar to method embodiments, with reference to the section of the method embodiments being relevant.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The foregoing is merely one or more embodiments of the present description and is not intended to limit the present description. Various modifications and alterations to one or more embodiments of this description will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of one or more embodiments of the present description, is intended to be included within the scope of the claims of the present description.
Claims (10)
1. A method for adaptively adjusting the volume of a vehicle multimedia, the method comprising:
performing motion calibration on a current model vehicle to obtain a noise change curve of the current model vehicle;
determining a noise change turning point of the current model vehicle according to the noise change curve;
acquiring real-time motion information of a current model vehicle;
determining corresponding volume parameters according to the real-time motion information and the noise change turning points;
and determining the sound output volume value of the current model vehicle according to the volume parameter.
2. The method for adaptively adjusting the volume of a vehicle multimedia according to claim 1, wherein the method for adaptively adjusting the volume of a vehicle according to claim 1 is characterized by performing motion calibration on a vehicle of a current model to obtain a noise change curve of the vehicle of the current model, and specifically comprises the following steps:
acquiring the vehicle speed, the engine speed and the corresponding cab noise value of the current model of vehicle in the highest forward gear state;
and drawing a change curve of the noise value of the cab based on the vehicle speed and the engine speed according to the vehicle speed and the engine speed, and obtaining the noise change curve.
3. The method for adaptively adjusting the volume of a vehicle multimedia according to claim 1, wherein determining the turning point of the noise variation of the current model vehicle according to the noise variation curve comprises:
calculating the slope of each point in sequence from the lowest point of the vehicle speed until the first slope smaller than a preset threshold value is read, and stopping calculating;
and reading the corresponding cab noise value at the moment, and determining the cab noise value as the noise change turning point.
4. The method for adaptively adjusting the volume of a vehicle multimedia according to claim 1, wherein the step of obtaining real-time motion information of a vehicle of a current model comprises the following steps:
reading real-time motion information from a CAN bus of a vehicle of the current model through a CAN transceiver; the real-time motion information comprises a real-time vehicle speed value and a real-time engine rotating speed value;
and sending the read real-time motion information to a multimedia MCU processor.
5. The method for adaptively adjusting the volume of a vehicle multimedia according to claim 4, wherein determining the corresponding volume parameter according to the real-time motion information and the noise change turning point comprises:
determining a noise influence coefficient according to the real-time vehicle speed value and the noise change turning point;
determining the volume parameter N according to n=m×v/N;
wherein M is the noise influence coefficient, V is the real-time speed value of the current model vehicle, and N is the real-time engine speed value of the current model vehicle.
6. The method for adaptively adjusting the volume of a vehicle multimedia according to claim 5, wherein determining a noise influence coefficient according to the real-time vehicle speed value and the noise change turning point comprises:
when the real-time vehicle speed value is smaller than the vehicle speed value corresponding to the noise change turning point, setting the noise influence coefficient M to be 1;
and when the real-time vehicle speed value is larger than or equal to the vehicle speed value corresponding to the noise change turning point, setting the noise influence coefficient M to be 0.3.
7. The method for adaptively adjusting the volume of a vehicle multimedia according to claim 1, wherein determining the audio output volume value of the current model vehicle according to the volume parameter comprises:
setting the music playing volume set by a user when the vehicle is idling as a volume initial value;
obtaining calibration parameters;
and determining the sound output sound volume value of the vehicle with the current model according to the sound volume initial value, the calibration parameter and the sound volume parameter.
8. The method for adaptively adjusting the volume of a vehicle multimedia according to claim 7, wherein determining the audio output volume value of the current model vehicle according to the volume initial value, the calibration parameter and the volume parameter comprises:
according to y=b×n+y 0 Determining an acoustic output volume value Y of the current model vehicle; wherein, B is a calibration parameter, and the calibration parameters of different vehicle types are different; y is Y 0 The volume initial value is the volume initial value; n is the volume parameter.
9. A system for adaptively adjusting the volume of a vehicle multimedia, the system comprising:
the calibration module is used for performing motion calibration on the current model of vehicle to obtain a noise change curve of the current model of vehicle; determining a noise change turning point of the current model vehicle according to the noise change curve;
the volume control module is used for acquiring real-time motion information of the current model vehicle; determining corresponding volume parameters according to the real-time motion information and the noise change turning points; and determining the sound output volume value of the current model vehicle according to the volume parameter.
10. A volume adaptive adjustment device for vehicular multimedia, the device comprising:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a method of adaptive volume adjustment of vehicular multimedia according to any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310956495.4A CN117041813A (en) | 2023-08-01 | 2023-08-01 | Vehicle multimedia volume self-adaptive adjusting method, system and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310956495.4A CN117041813A (en) | 2023-08-01 | 2023-08-01 | Vehicle multimedia volume self-adaptive adjusting method, system and equipment |
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