Multimedia control method, in-vehicle infotainment device and in-vehicle infotainment equipment

Abstract

The invention belongs to the technical field related to intelligent driving, and particularly relates to a multimedia control method, an in-vehicle infotainment device and in-vehicle infotainment equipment. The method comprises the following steps: acquiring first audio data of audio storage equipment, second audio data of audio acquisition equipment and first positioning data; performing frequency mixing on the first audio data and the second audio data to generate first frequency mixing data, and transmitting the first frequency mixing data to the mobile terminal in real time; and moving the mobile terminal to the initial target position according to the first positioning data, and enabling the mobile terminal to play the first frequency mixing data at the initial target position. Therefore, the vehicle can play audio through the mobile terminal, so that a simple outdoor singing scene is built, and tedious processes and too high equipment cost required for building the outdoor singing scene are avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field related to intelligent driving, and in particular relates to a multimedia control method, a vehicle-mounted device, and a vehicle-mounted device. Background Art

[0002] In the fields of modern transportation and intelligent devices, vehicle technology has made significant progress. As the main means of land transportation, vehicles are constantly making breakthroughs in autonomous driving, intelligent networking, and other areas.

[0003] With the continuous development of vehicle intelligence, vehicles are no longer satisfied with daily driving needs, but have also added some entertainment-related systems, such as in-car karaoke systems, to enrich the vehicle's usage scenarios.

[0004] In some existing technologies, in-car karaoke systems are usually installed. Although in-car karaoke systems can meet people's needs for vehicle entertainment to a certain extent, with the increasing demand for outdoor activities, such as lawn concerts, in-car karaoke systems can no longer meet people's needs. Setting up outdoor concert venues makes outdoor concerts too cumbersome and the equipment required is expensive. Summary of the Invention

[0005] In order to solve the above problems, the present invention proposes a multimedia control method, a vehicle-mounted device and a vehicle-mounted equipment. Through this method, the vehicle's audio can be played out, and outdoor singing equipment and venues can be built through unmanned aerial devices, thereby meeting users' outdoor entertainment needs. This method can adapt to a variety of scenarios, and at the same time, the cost is low and the process is relatively simple.

[0006] The purpose of the present invention is achieved through the following technical solutions:

[0007] In a first aspect, the present invention provides a multimedia control method, which is applied to a vehicle system having a mobile terminal, comprising:

[0008] Acquire first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data;

[0009] Mixing the first audio data and the second audio data to generate first mixed data, and transmitting the first mixed data to the mobile terminal in real time;

[0010] The movable terminal is moved to an initial target position according to the first positioning data, and the movable terminal is enabled to play the first mixed frequency data at the initial target position.

[0011] The system obtains first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data; mixes the first audio data and the second audio data to generate first mixed data, and transmits the first mixed data to a mobile terminal in real time; moves the mobile terminal to an initial target location based on the first positioning data, and causes the mobile terminal to play the first mixed data at the initial target location. This allows vehicles to play audio externally through the mobile terminal, thereby creating a simple outdoor concert scene, thus avoiding the cumbersome process and high equipment costs required to set up an outdoor concert scene.

[0012] In some implementations, obtaining first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data further includes:

[0013] The audio storage device also includes video data, and the video data is projected onto the projection surface through the audio storage device.

[0014] Projection playback of lyrics and pictures is achieved through video data synchronized with the first audio data.

[0015] In some embodiments, the audio storage device is provided with a virtual module, and the virtual module projects the video data onto a projection surface, which is a vehicle windshield.

[0016] Projecting video data onto the vehicle windshield through a virtual module can reduce the use of outdoor audio equipment and reduce costs.

[0017] In some implementations, obtaining first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data includes:

[0018] The audio storage device obtains the accompaniment from the singing software as first audio data;

[0019] The audio acquisition device acquires the human voice as the second audio data;

[0020] The audio acquisition device includes a global positioning module, and obtains first positioning data through the global positioning module.

[0021] In some implementations, mixing first audio data and second audio data to generate first mixed data, and transmitting the first mixed data to a mobile terminal in real time includes:

[0022] The audio storage device sends the first audio data to the USB module, and the audio acquisition device sends the second audio data to the USB module;

[0023] The USB module mixes the first audio data and the second audio data through digital signal processing to generate first mixed data;

[0024] The USB module transmits the first mixed frequency data to the unmanned aerial device via Bluetooth.

[0025] In some embodiments, the method of moving the mobile terminal to an initial target position according to the first positioning data and causing the mobile terminal to play the first mixed frequency data at the initial target position includes:

[0026] Calculate the second positioning data of the initial target position in the polar coordinate system using the first positioning data as the polar coordinate origin;

[0027] moving the mobile terminal to the second positioning data, and causing the mobile terminal to play the first mixed frequency data at the second positioning data;

[0028] According to the first positioning data, the second positioning data of the mobile terminal is adjusted; according to the first mixing data, the sound field data of the mobile terminal is adjusted.

[0029] In some embodiments, adjusting an initial target position of the mobile terminal according to the first positioning data; and adjusting sound field data of the mobile terminal according to the first mixing data include:

[0030] According to the first positioning data, any one of the array, trajectory, distance, and height of the mobile terminal is adjusted; according to the first mixing data, any one of the playback rhythm, pitch, loudness, channel, and power amplifier parameters of the mobile terminal is adjusted.

[0031] In some embodiments, adjusting the initial target position of the mobile terminal according to the first positioning data further includes:

[0032] According to the first positioning data, any one of the angle, direction, intensity, and color of the light irradiated by the light on the mobile terminal is adjusted.

[0033] In a second aspect, the present invention further provides a vehicle-mounted device, comprising:

[0034] A data acquisition module, configured to acquire first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data;

[0035] A mixing module, configured to mix the first audio data and the second audio data to generate first mixed data, and transmit the first mixed data to the mobile terminal in real time;

[0036] The movement control module is used to move the movable terminal to an initial target position according to the first positioning data, and enable the movable terminal to play the first mixed frequency data at the initial target position.

[0037] In a third aspect, the present invention provides a vehicle-mounted device, comprising: a processor, a memory, a communication interface, and a communication bus, wherein the processor, the memory, and the communication interface communicate with each other via the communication bus;

[0038] The audio storage device is a vehicle computer, and the mobile terminal is an unmanned aerial vehicle;

[0039] The memory is used to store at least one executable instruction, and the executable instruction enables the processor to perform the operation of any one of the multimedia control methods of the first aspect.

[0040] The beneficial effects of the multimedia control method, vehicle-mounted device, and vehicle-mounted equipment of the present invention are:

[0041] The system obtains first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data; mixes the first audio data and the second audio data to generate first mixed data, and transmits the first mixed data to a mobile terminal in real time; moves the mobile terminal to an initial target location based on the first positioning data, and causes the mobile terminal to play the first mixed data at the initial target location. This allows vehicles to play audio externally through the mobile terminal, thereby creating a simple outdoor concert scene, thus avoiding the cumbersome process and high equipment costs required to set up an outdoor concert scene.

[0042] The above description is only an overview of the technical solutions of the embodiments of the present invention. In order to more clearly understand the technical means of the embodiments of the present invention, they can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiments of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are specifically listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] The accompanying drawings are only used to illustrate the embodiments and are not to be considered as limiting the present invention. In addition, the same reference symbols are used to represent the same components throughout the drawings. In the drawings:

[0044] Figure 1 A flowchart of a multimedia control method of the present invention;

[0045] Figure 2 A flowchart of a more specific implementation of step 101 of a multimedia control method of the present invention;

[0046] Figure 3 A flowchart of a more specific implementation of step 102 of a multimedia control method of the present invention;

[0047] Figure 4 A flowchart of a more specific implementation of step 103 of a multimedia control method of the present invention;

[0048] Figure 5 This is a framework diagram of the vehicle machine device of the present invention;

[0049] Figure 6 This is a diagram of the equipment framework of the vehicle equipment of the present invention;

[0050] Figure 7 This is a structural diagram of the vehicle computer and unmanned aerial vehicle device of the vehicle computer equipment of the present invention. DETAILED DESCRIPTION

[0051] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein.

[0052] Example 1:

[0053] like Figures 1 to 4 As shown, this embodiment proposes a multimedia control method, which is applied to a vehicle system with a mobile terminal, including:

[0054] Step 101: Acquire first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data;

[0055] Specifically, first audio data is obtained from an audio storage device. The audio storage device can be the control system of the vehicle's intelligent cockpit or the vehicle's own audio device. The first audio data can provide the audio data of the song, and second data is obtained from an audio acquisition device. The audio acquisition device can be a microphone, which can be a built-in vehicle microphone or an external microphone. The on-board external microphone needs to be able to remotely connect to the vehicle. The audio acquisition device can capture human voices and first positioning data of the audio acquisition device. The first positioning data can be used to locate the user's position of the handheld audio acquisition device. The first positioning data can be location data obtained by GPS positioning, Beidou positioning, etc.

[0056] Step 102: Mix the first audio data and the second audio data to generate first mixed data, and transmit the first mixed data to the mobile terminal in real time. Specifically, the first audio data and the second audio data are mixed so that music and human voice can be played simultaneously and synchronously. The mixing can adopt one or more of a variety of technologies such as digital mixing technology, analog mixing technology, and matrix mixing technology. The first mixed data is transmitted to the mobile terminal in real time remotely. The remote transmission method can be wireless transmission such as Bluetooth transmission and remote communication transmission. In some more specific embodiments, based on low-latency audio technology, the sound can be transmitted to the mobile terminal in real time via Bluetooth technology to achieve low-latency audio transmission. The first mixed data is played in real time by the mobile terminal. This method can avoid delays in vehicle and human voice playback and can also change the sound field through the mobile terminal. The mobile terminal can be a drone, an unmanned vehicle, a speaker, or other equipment, and more preferably a drone device.

[0057] Step 103: The movable terminal is moved to the initial target position according to the first positioning data, and the movable terminal plays the first mixed data at the initial target position. Specifically, the position of the user holding the audio acquisition data is determined according to the first positioning data, and based on the position, the initial target position to which the movable terminal needs to move can be calculated. The initial target position is the audio playback position, which can be determined based on the size and position of the scene, the audio playback effect, the required sound effects, etc. The target position can be mobile or non-mobile. This allows the movable terminal to play the first mixed data at the initial target position, thereby achieving external playback of the audio, and further achieving the simple construction of an outdoor singing scene.

[0058] The system obtains first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data; mixes the first audio data and the second audio data to generate first mixed data, and transmits the first mixed data to a mobile terminal in real time; moves the mobile terminal to an initial target location based on the first positioning data, and causes the mobile terminal to play the first mixed data at the initial target location. This allows vehicles to play audio externally through the mobile terminal, thereby creating a simple outdoor concert scene, thus avoiding the cumbersome process and high equipment costs required to set up an outdoor concert scene.

[0059] In some embodiments, obtaining first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data further includes:

[0060] Step 104: The audio storage device also includes video data, which is projected onto the projection surface via the audio storage device. Specifically, the audio storage device also stores video data corresponding to the first audio data. The video data may be synchronized data such as the image, lyrics, and progress of the first audio data. This data can be projected onto the projection surface via the audio storage device to create a performance scene that better meets the user's needs. The video data synchronized with the first audio data enables projection playback of lyrics and images.

[0061] In some preferred embodiments, the audio storage device is provided with a virtual module, which projects the video data onto a projection surface, which is a vehicle windshield. Specifically, through the virtual module, the virtual module can be an AR module, which uses laser projection and optical waveguide technology to project the image directly onto the vehicle windshield. More specifically, a dichroic film can be provided on the front windshield of the vehicle to prevent the light from being too bright or too dark, and a detachable projection screen can also be provided, which can be installed on the front windshield when performing outdoor projection. The AR module can be provided inside the vehicle, or it can be a mobile terminal device, which can be placed in front of the vehicle when needed and cooperate with the projection screen for projection. By projecting the video data onto the vehicle windshield through the virtual module, the use of outdoor audio equipment can be reduced and the cost can be reduced.

[0062] In some more preferred embodiments, an ultra-compact DLP projector with a volume of less than 0.5 liters can be used, integrated into the roof lining, supporting 1080P resolution output, and equipped with an electric dimming windshield. During projection, it can be automatically dimmed to a transmittance of less than 10% to improve the display contrast, and directional light scattering is achieved through a nano-scale grating structure to ensure external viewing angle visibility of more than 150° horizontal range. The projection brightness is dynamically adjusted (500-3000nit) to adapt to changes in ambient light during day and night.

[0063] In some embodiments, obtaining first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data comprises the following steps:

[0064] Step 201: The audio storage device obtains the accompaniment as the first audio data from the singing software; specifically, the accompaniment as the first audio data can be downloaded from conventional music software, and further, the MV of the song or the image of the singing version can also be downloaded.

[0065] Step 202: The audio collection device obtains human voice as second audio data; specifically, the audio collection device may be a microphone, which collects human voice.

[0066] Step 203: The audio acquisition device includes a global positioning module, and obtains first positioning data through the global positioning module. Specifically, the global coordinates are located by GPS or Beidou.

[0067] In some embodiments, mixing first audio data and second audio data to generate first mixed data, and transmitting the first mixed data to a mobile terminal in real time includes:

[0068] Step 301: The audio storage device sends the first audio data to the USB module, and the audio capture device sends the second audio data to the USB module. Specifically, the vehicle is connected to an external USB module, which can be a USB dongle. A dongle is a peripheral device that enables audio transmission between different devices, which can improve the stability of data transmission. At the same time, the device is equipped with an internal DSP chip to perform mixing and sound effect enhancement (such as noise reduction and reverberation), which can reduce the time consumption of audio processing. At the same time, the device can control the audio collection, processing, transmission and the entire process within 50 milliseconds to avoid the delay difference perceived by human ears. The USB dongle also has a Bluetooth transmission protocol (such as BLE or Bluetooth 5.0+ version), which can be used to collect human voices from the microphone and connect to the drone through Bluetooth through this Bluetooth protocol, and realize data transmission. More specifically, the audio storage device, that is, the car device, obtains the accompaniment from the singing software. The accompaniment can be transmitted to the car's BSP (vehicle board support package, which is software between the vehicle hardware and the operating system, used to support the operating system, such as device driver support such as peripheral drivers) through the vehicle's audio router (the audio router is a software module between the singing software and the BSP). Then it is transmitted to the USB Dongle by the BSP.

[0069] Step 302: The USB module mixes the first audio data and the second audio data through digital signal processing to generate first mixed data; specifically, the Dongle mixes the first audio data and the second audio data through built-in digital signal processing (DSP) to generate the first mixed data.

[0070] Step 303: The USB module transmits the first mixed data to the UAV via Bluetooth. Specifically, the first mixed data is transmitted to the UAV via the USB dongle Bluetooth, and the UAV plays the audio, thereby achieving external audio playback instead of internal audio playback in the vehicle.

[0071] In some embodiments, the method of moving the mobile terminal to an initial target position according to the first positioning data and causing the mobile terminal to play the first mixed frequency data at the initial target position includes:

[0072] Step 401: Using the first positioning data as the polar coordinate origin, calculate the second positioning data of the initial target position in the polar coordinate system; specifically, the first positioning data can be used as the polar coordinate origin to establish a polar coordinate system (similar to radar), and four-point positioning can be used to move the movable terminal to the initial target position based on RSSI (signal strength). The initial target position can be more specifically set based on the actual number of movable terminals, which is actually the number of unmanned aerial devices, using four-point positioning. That is, using the first positioning data as the origin, the initial target position is set according to the signal strength (such as 3-4 grids) and the distance, and four unmanned aerial devices are set in the sky using a rectangle to achieve a surround sound effect. It should be noted that the above example is only one method of locating the initial target position. The second positioning data of the initial target position in the polar coordinates can also be determined based on the song (for example, surround sound, left and right channels), the environment (such as excessive noise), etc.

[0073] Step 402: Move the mobile terminal to the second positioning data, and enable the mobile terminal to play the first mixed data at the second positioning data; specifically, move the unmanned aerial device to the calculated second positioning data.

[0074] Step 403: Adjust the second positioning data of the mobile terminal based on the first positioning data; and adjust the sound field data of the mobile terminal based on the first mixed data. Specifically, the second positioning data of the UAV is adjusted based on the dynamic first positioning data (when singing, the user holding the microphone will move), so that the UAV can dynamically adjust and follow the user's movement, thereby achieving dynamic tracking of the user. At the same time, the UAV can also be positioned according to the rhythm and style of the song to play, and the sound field data, such as volume, timbre, and pitch, can be adaptively adjusted.

[0075] In some embodiments, the initial target position of the mobile terminal is adjusted according to the first positioning data; the sound field data of the mobile terminal is adjusted according to the first mixing data; including: adjusting any one of the array, trajectory, distance, and height of the mobile terminal according to the first positioning data; adjusting any one of the playback rhythm, pitch, loudness, channel, and amplifier parameters of the mobile terminal according to the first mixing data. Specifically, according to the first positioning data, any one of the array, trajectory, distance, and height of the mobile terminal is adjusted; for example, according to the style of the song, the drone is adjusted to a heart shape, a wave shape, a V shape, etc., and the drone's rise and fall is adjusted according to the speed of the rhythm, and according to the LED brightness gradient (0-100% linear mapping), the sound field data is adjusted according to the accompaniment of the song, including any one of the playback rhythm, pitch, loudness, channel, amplifier parameters, volume, timbre, etc.

[0076] In some embodiments, adjusting the initial target position of the mobile terminal based on the first positioning data further includes adjusting any of the angle, direction, intensity, and color of light emitted by a light on the mobile terminal based on the first positioning data. Specifically, the unmanned aerial device is further provided with a lighting module, which may be a spotlight. Based on the second positioning data of the unmanned aerial device's flight, the second positioning data may include data such as the distance, angle, and direction from the polar coordinate origin. Based on the angle data, any of the angle, direction, intensity, and color of the spotlight may be adjusted, thereby varying the lighting based on the position of the person.

[0077] Example 2:

[0078] like Figure 5 As shown, this embodiment further provides a vehicle-mounted device, including:

[0079] A data acquisition module is used to acquire the first audio data from the audio storage device, the second audio data from the audio acquisition device, and the first positioning data; so as to execute the steps in step 101, thereby acquiring the audio data and the positioning data;

[0080] A mixing module is configured to mix the first audio data and the second audio data to generate first mixed data, and transmit the first mixed data to the mobile terminal in real time; the steps in step 102 are performed to achieve mixing and transmission to the mobile terminal after the data acquisition module acquires the first audio data and the second audio data;

[0081] The mobile control module is used to move the movable terminal to the initial target position according to the first positioning data, and make the movable terminal play the first mixed data at the initial target position, so as to execute the steps in step 103 to realize the audio data acquired by the data acquisition module, and after mixing through the mixing module, to send the mixed data to the movable terminal, and control the movable terminal to play the mixed data at the initial target position.

[0082] Example 3:

[0083] Figure 6 The schematic diagram of the structure of an embodiment of the vehicle-mounted device of the present invention is shown. The specific embodiment of the present invention does not limit the specific implementation of the vehicle-mounted device.

[0084] like Figure 6 As shown, the vehicle machine device may include: a processor (processor) 602 , a communication interface (Communications Interface) 604 , a memory (memory) 606 , and a communication bus 608 .

[0085] Processor 602, communication interface 604, and memory 606 communicate with each other via communication bus 608. Communication interface 604 is used to communicate with other devices, such as clients or other server network elements. Processor 602 is used to execute program 610, which may specifically perform the steps described in the aforementioned embodiment of the multimedia control method.

[0086] Specifically, the program 610 may include program code including computer-executable instructions.

[0087] Processor 602 may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present invention. The one or more processors included in the vehicle-mounted device may be processors of the same type, such as one or more CPUs, or processors of different types, such as one or more CPUs and one or more ASICs.

[0088] The memory 606 is used to store the program 610. The memory 606 may include a high-speed RAM memory, and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.

[0089] In some preferred embodiments, Figure 7As shown, the audio storage device is a vehicle computer 700, and the mobile terminal is an unmanned aerial vehicle 710; the unmanned aerial vehicle 710 can be installed on top of the vehicle computer 700. When using the method in Example 1, the unmanned aerial vehicle 710 can be launched and connected to the vehicle computer via Bluetooth for data transmission and control. In other embodiments, the unmanned aerial vehicle 710 can be an external device other than the vehicle computer 700. After connecting to the vehicle computer Bluetooth, the method proposed in Example 1 can be implemented. Considering that the unmanned aerial vehicle 710 may generate noise when playing music during flight, the following methods can be used to implement noise reduction design: For example, the propeller noise reduction design uses aerodynamically optimized tilted wingtip propellers (such as model 8331), which can reduce aerodynamic noise by 4dB and reduce high-frequency interference. Using FOC sine waves to drive the electronic speed controller eliminates electromagnetic commutation noise and improves motor operation smoothness. Alternatively, the speaker can be installed on the bottom of the drone, away from the propeller noise source, and sound insulation material can be added to reduce direct interference. Directional speaker technology (such as fan-shaped sound beam projection) can also be used to concentrate sound energy to the target area and reduce the mixing of ambient noise. Active noise reduction algorithms can also be used, and multi-channel voice enhancement technology can be used to repair audio signals polluted by noise, which is suitable for scenarios such as rescue broadcasts; anti-interference hardware upgrades can also be performed, such as replacing high-shielded wires (such as DJI anti-interference wires) to reduce the conduction of electromagnetic noise to the audio system. The system can also be further optimized for collaboration, dynamic volume adjustment: automatically adjust the speaker output volume according to the ambient noise level to ensure that key information is recognizable. Material shock absorption: Use high shock absorption performance materials (such as composite plastics) to make drone components to reduce vibration noise from the source.

[0090] The algorithms or displays provided herein are not inherently related to any particular computer, virtual system or other device. In addition, the embodiments of the present invention are not directed to any particular programming language.

[0091] In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the present invention may be practiced without these specific details. Similarly, in order to streamline the present invention and aid in understanding one or more of the various inventive aspects, in the above description of exemplary embodiments of the present invention, various features of embodiments of the present invention are sometimes grouped together into a single embodiment, figure, or description thereof. The claims that follow the detailed description are hereby expressly incorporated into that detailed description, with each claim itself serving as a separate embodiment of the present invention.

[0092] Those skilled in the art will appreciate that the modules in the devices of the embodiments can be adaptively changed and installed in one or more devices different from the embodiments. The modules, units, or components in the embodiments can be combined into one module, unit, or component, and furthermore, they can be divided into multiple submodules, subunits, or subcomponents. Except that at least some of such features and / or processes or units are mutually exclusive.

[0093] It should be noted that the above embodiments illustrate rather than limit the invention, and that alternative embodiments may be devised by a person skilled in the art without departing from the scope of the appended claims. In the claims, any reference signs placed between brackets should not be construed as limiting the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The present invention may be implemented by means of hardware comprising several different elements and by means of appropriately programmed computers. In a unit claim enumerating several means, several of these means may be embodied by the same item of hardware. The use of the words first, second, and third etc. does not indicate any order. These words may be interpreted as names. The steps in the above embodiments should not be understood as limiting the order of execution unless otherwise specified.

Claims

1. A multimedia control method, characterized in that: Applied to vehicle systems with mobile terminals, including: Acquire first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data; Mixing the first audio data and the second audio data to generate first mixed data, and transmitting the first mixed data to the mobile terminal in real time; The movable terminal is moved to an initial target position according to the first positioning data, and the movable terminal plays the first mixed frequency data at the initial target position.

2. The multimedia control method according to claim 1, wherein: Acquiring first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data; further comprising: The audio storage device further includes video data, and the video data is projected onto a projection surface through the audio storage device.

3. The multimedia control method according to claim 2, wherein: The audio storage device is provided with a virtual module, and the virtual module projects the video data onto the projection surface, which is a vehicle windshield.

4. The multimedia control method according to claim 1, wherein: Acquiring first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data; including: The audio storage device obtains the accompaniment from the singing software as the first audio data; The audio acquisition device acquires human voice as the second audio data; The audio acquisition device includes a global positioning module, and the first positioning data is obtained through the global positioning module.

5. The multimedia control method according to claim 1, wherein: Mixing the first audio data and the second audio data to generate first mixed data, and transmitting the first mixed data to a mobile terminal in real time; comprising: The audio storage device sends the first audio data to the USB module, and the audio acquisition device sends the second audio data to the USB module; The USB module mixes the first audio data and the second audio data through digital signal processing to generate the first mixed data; The USB module transmits the first mixed frequency data to the unmanned aerial device via Bluetooth.

6. The multimedia control method according to claim 1, characterized in that: The method of moving the mobile terminal to an initial target position according to the first positioning data and causing the mobile terminal to play the first mixed frequency data at the initial target position comprises: Calculating second positioning data of the initial target position in the polar coordinate system using the first positioning data as the polar coordinate origin; moving the mobile terminal to the second positioning data, and causing the mobile terminal to play the first mixed frequency data at the second positioning data; According to the first positioning data, the second positioning data of the mobile terminal is adjusted; according to the first mixing data, the sound field data of the mobile terminal is adjusted.

7. The multimedia control method according to claim 6, characterized in that: The method of adjusting the initial target position of the mobile terminal according to the first positioning data and adjusting the sound field data of the mobile terminal according to the first mixing data comprises: According to the first positioning data, any one of the array, trajectory, distance, and height of the mobile terminal is adjusted; according to the first mixing data, any one of the playback rhythm, pitch, loudness, channel, and power amplifier parameters of the mobile terminal is adjusted.

8. The multimedia control method according to claim 7, characterized in that: The adjusting the initial target position of the mobile terminal according to the first positioning data further includes: According to the first positioning data, any one of the angle, direction, intensity, and color of the light irradiated by the light on the mobile terminal is adjusted.

9. A vehicle-mounted device, characterized in that: include: A data acquisition module, configured to acquire first audio data from an audio storage device, second audio data from an audio acquisition device, and first positioning data; A mixing module, configured to mix the first audio data and the second audio data to generate first mixed data, and transmit the first mixed data to the mobile terminal in real time; The mobile control module is configured to move the movable terminal to an initial target position according to the first positioning data, and enable the movable terminal to play the first mixed frequency data at the initial target position.

10. Vehicle equipment, characterized in that: include: A processor, a memory, a communication interface, and a communication bus, wherein the processor, the memory, and the communication interface communicate with each other via the communication bus; The audio storage device is a vehicle computer, and the mobile terminal is an unmanned aerial vehicle; The memory is used to store at least one executable instruction, and the executable instruction enables the processor to perform the operation of the multimedia control method according to any one of claims 1 to 8.

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