CN115103485A - Scene-based control method and system for rhythm of automobile atmosphere lamp along with sound source - Google Patents
Scene-based control method and system for rhythm of automobile atmosphere lamp along with sound source Download PDFInfo
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- CN115103485A CN115103485A CN202210750786.3A CN202210750786A CN115103485A CN 115103485 A CN115103485 A CN 115103485A CN 202210750786 A CN202210750786 A CN 202210750786A CN 115103485 A CN115103485 A CN 115103485A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention belongs to the technical field of control of automobile electronic equipment, and particularly relates to a scene-based control method and system for rhythm of an automobile atmosphere lamp along with a sound source. The automobile system-level chip converts signals and sends the signals to the automobile MCU and the independent power amplifier, the automobile MCU sends the judgment result of the sound source signals to the atmosphere lamp controller, so that the atmosphere lamp is driven to respond to the sound source signals such as intelligent voice, multimedia, navigation and vehicle safety reminding sent by the sound source management module of the vehicle-mounted entertainment audio-video system, and the independent power amplifier drives the loudspeaker to play sound sources after simulating audio amplification. The atmosphere lamp rhythm model sets corresponding rhythm flow logic according to sound source parameters through the MCU, and can change colors gradually along with the fluctuation of sound source data such as intelligent voice, multimedia, navigation, vehicle safety reminding and the like, so that the beautiful and absolute atmosphere effect in the cabin is decorated.
Description
Technical Field
The invention belongs to the technical field of control of automobile electronic equipment, and particularly relates to a scene-based control method and system for rhythm of an automobile atmosphere lamp along with a sound source.
Background
At present, the requirement of a user on automobile driving experience is gradually increased, and better driving experience can bring more added values to the operation of an intelligent automobile. The atmosphere and immersion type experience built in the automobile becomes a tendency which is advocated by various automobile enterprises, and extends from the aspects of sound, light, touch, smell and the like, and the novel technologies of an intelligent atmosphere lamp, an intelligent surface, virtual sound waves, a fragrance system, an air purification system and the like are included, so that emotional experience is provided for users, wherein the atmosphere lamp can most intuitively provide visual enjoyment for the users.
The existing automobile atmosphere lamp control can only be controlled independently, the atmosphere lamp display mode is limited, the atmosphere lamp display mode cannot be linked with an in-automobile sound system, and the improvement capability of atmosphere sense and entertainment sense in an automobile is limited.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method and the system for controlling the rhythm of the atmosphere lamp of the automobile along with the sound source based on the scene can better create the atmosphere sense and entertainment sense in the automobile and improve the driving experience of the automobile.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a control method of car atmosphere lamp with sound source rhythm based on scene comprises the following steps:
s1, the vehicle-mounted entertainment audio-visual system generates a corresponding sound source analog signal according to the currently executed function module and sends the sound source analog signal to the automobile system-level chip, wherein the function module comprises music playing, voice navigation and vehicle safety reminding;
s2, the automobile system-level chip converts the sound source analog signal into a sound source digital signal, and sends the sound source digital signal to a sound source management micro control unit, and meanwhile, the automobile system-level chip forwards the sound source analog signal to a vehicle-mounted independent power amplifier;
s3, the sound source management micro-control unit classifies the sound source digital signals, generates corresponding CAN signals according to the types of the sound source digital signals, and then sends the CAN signals to an atmosphere lamp controller, wherein the types of the sound source digital signals comprise in-vehicle music, in-vehicle navigation voice and vehicle reminding alarm voice;
s4, intelligently controlling the atmosphere lamp in the vehicle by the atmosphere lamp controller according to the prefabricated atmosphere lamp rhythm model;
and S5, the vehicle-mounted independent power amplifier amplifies the received sound source analog signal and then drives a vehicle-mounted loudspeaker to play a corresponding sound source.
Further, the vehicle-mounted entertainment audio and video system sends the sound source analog signal to the automobile system-level chip through the sound source management module; and the automobile system-level chip sends the sound source digital signal to a sound source management micro-control unit through a sound source management module.
Further, in step S2, the car system-on-chip is provided with an analog-to-digital converter, and the sound source analog signal is converted into a sound source digital signal by the analog-to-digital converter.
Further, in step S4, the content of the intelligent control specifically includes: the color of the lamp beads, the brightness of the lamp beads and the turn-on/turn-off time of the atmosphere lamp are determined, the color of the lamp beads is changed according to the color value, the brightness of the lamp beads is changed according to the brightness percentage, and the time is calculated by taking seconds as a unit.
Further, in step S4, the preset atmosphere lamp rhythm model specifically includes the following steps:
A. when the vehicle is started, the welcome mode is started, the atmosphere lamp presents ice blue, and flashes and fluctuates according to the breathing frequency;
B. when the vehicle plays music, a pleasure mode is started, the atmosphere lamps change different colors according to the music type of the multimedia module and flash in real time according to the music rhythm;
C. when the vehicle navigates, a route searching mode is started, the color of the atmosphere lamp is changed into green, and the atmosphere lamp flashes according to the real-time broadcasting frequency of navigation;
(4) when the vehicle gives an alarm, an alarm mode is started, the atmosphere lamp is bright red, and the flashing frequency is improved;
(5) when the vehicle is parked, the guest sending mode is started, the atmosphere lamp presents ice blue, and flashes and fluctuates according to the breathing frequency.
Furthermore, prefabricated atmosphere lamp law moves the model and is equipped with many sets, atmosphere lamp controller has the OTA function for the replacement is updated prefabricated atmosphere lamp law moves the model.
A control system for realizing the control method comprises a sound source judgment function module and an intelligent control function module;
the sound source judgment function module consists of a vehicle-mounted entertainment audio-visual system, an automobile system-level chip, a sound source management micro-control unit and a sound source management module;
the intelligent control function module is composed of an atmosphere lamp controller, an atmosphere lamp, a vehicle-mounted independent power amplifier and a vehicle-mounted loudspeaker.
Furthermore, the vehicle-mounted entertainment audio and video system is provided with a plurality of functional modules for providing different sound sources, and the functional modules comprise music playing, voice navigation and vehicle safety reminding;
the automobile system-level chip is provided with an analog-digital converter for converting the sound source analog signals into sound source digital signals.
Furthermore, the atmosphere lamp body is installed in vehicle air conditioner air outlet, instrument board bottom and door inboard.
An automobile comprising a control system as described above.
Compared with the prior art, the invention has the following main advantages:
1. the method for controlling the automobile atmosphere lamp to move with the sound source rhythm based on the scene is provided, the automobile atmosphere lamp can be intelligently controlled according to the automobile sound source through the sound source judging function module and the intelligent control function module, so that the automobile atmosphere lamp moves with the sound source according to the preset model rhythm, the automobile atmosphere feeling and the entertainment feeling can be better created, and the driving experience of an automobile is improved;
2. the prefabricated atmosphere lamp rhythm model is provided, corresponding control modes are executed according to the starting and stopping states of the vehicle and the type of the sound source digital signal, intelligent control is conducted on the atmosphere of the vehicle, the atmosphere sense in the vehicle is further improved, and intelligent experience of the vehicle is enhanced.
Drawings
FIG. 1 is a flow chart of a control method of the present invention;
FIG. 2 is a system diagram of the control system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
At present, the demand of a user on automobile driving experience is gradually increased, and better driving experience can bring more added values to the operation of an intelligent automobile. The atmosphere and immersion type experience built in the automobile become a popular trend for various automobile enterprises, and extend from the aspects of sound, light, touch, smell and the like, and the novel technologies of an intelligent atmosphere lamp, an intelligent surface, virtual sound waves, an aroma system, an air purification system and the like are included, so that emotional experience is provided for users, and the atmosphere lamp can provide visual enjoyment for the users most intuitively.
The existing automobile atmosphere lamp control can only be controlled independently, the atmosphere lamp display mode is limited, the atmosphere lamp display mode cannot be linked with an in-automobile sound system, and the improvement capability of atmosphere sense and entertainment sense in an automobile is limited.
The technical problem to be solved by the invention is as follows: the control method and the control system for the rhythm of the atmosphere lamp along with the sound source based on the scene are provided, and the atmosphere sense and the entertainment sense in the automobile can be better created and the driving experience of the automobile can be improved by establishing a perfect sound source judgment mechanism, reasonably processing data logic and designing a targeted atmosphere lamp rhythm model.
The automobile system-level chip converts signals and sends the signals to the automobile MCU and the independent power amplifier, the automobile MCU sends the judgment result of the sound source signals to the atmosphere lamp controller, so that the atmosphere lamp is driven to respond to the sound source signals such as intelligent voice, multimedia, navigation and vehicle safety reminding sent by the sound source management module of the vehicle-mounted entertainment audio-video system, and the independent power amplifier simulates audio frequency amplification and then drives the loudspeaker to play the sound source. The atmosphere lamp rhythm model sets corresponding rhythm flow logic according to sound source parameters through the MCU, and can change colors gradually along with the fluctuation of sound source data such as intelligent voice, multimedia, navigation, vehicle safety reminding and the like, so that the beautiful and absolute atmosphere effect in the cabin is decorated.
Scene-based control method for rhythm of vehicle atmosphere lamp along with sound source
As shown in fig. 1, the method for controlling a car atmosphere lamp to move with a sound source based on a scene specifically includes the following steps:
step one, an automobile system-level chip needs an analog-digital converter, and an electronic element for converting an analog signal into a digital signal;
secondly, the automobile needs a digital signal processing module to convert the analog signal into a digital signal;
step three, the automobile needs a vehicle-mounted entertainment audio-visual system, and apps related to different sound sources can be carried, wherein the apps comprise intelligent voice, multimedia, navigation, vehicle safety reminding and the like;
step four, the vehicle-mounted entertainment audio-visual system needs to be provided with a sound source management module, sends the sound source analog signals to the digital signal processing module, converts the sound source analog signals into sound source digital signals and sends the sound source digital signals to the MCU;
step five, the automobile needs to be provided with an MCU (sound source management micro control unit), classifies sound source signals, keeps the currently played sound source signals, removes other sound source signals, converts the result into a CAN signal and sends the CAN signal to an atmosphere lamp controller;
step six, the vehicle needs an atmosphere lamp controller, and the rhythm effect of the atmosphere lamp is controlled and driven in real time according to the MCU result;
step seven, the automobile needs to be provided with a combined atmosphere lamp, and a set connection chip is selected, so that each lamp bead can be controlled independently, and a dynamic streamer effect is realized;
step eight, the automobile needs to be provided with an independent power amplifier, the automobile system-level chip sends the sound source digital signal to the independent power amplifier to control the loudspeaker, and the analog audio frequency is amplified to drive the loudspeaker;
step nine, the automobile needs a combined loudspeaker to bear the sound source playing function, and the effect of fluctuating and slowly changing colors of the audio and atmosphere lamp rhythm model can be realized;
step ten, the vehicle-mounted entertainment audio and video system needs to prefabricate atmosphere lamp rhythm models and combine driving scenes to achieve the display effect of different sound sources in differentiated fluctuation, slow changing and color rhythm. Different lamp bead rhythm flow logics are designed, including lamp bead colors, lamp bead brightness, lighting/closing time, lighting duration and other logics. The color of the lamp bead changes according to the color value, the brightness of the lamp bead changes according to the brightness percentage, and the time is calculated according to seconds;
step eleven, the atmosphere lamp controller needs OTA (on-line upgrading) function, and the rhythm model can be continuously iteratively optimized.
Furthermore, the invention provides a prefabricated atmosphere lamp rhythm model, which is combined with a driving scene to realize the following display effects of different sound source differentiation fluctuation, slow change color and rhythm:
(1) when the vehicle is started, the welcome mode is started, the atmosphere lamp presents ice blue, and flashes and fluctuates according to the breathing frequency, and the loudspeaker plays the welcome music resource prefabricated by the multimedia module;
(2) when the vehicle plays music, a pleasure mode is started, the atmosphere lamp changes different colors according to the music type of the multimedia module, and flashes in real time according to the music rhythm, and the loudspeaker plays music normally;
(3) when the vehicle navigates, a road finding mode is started, the color of the atmosphere lamp is changed into green, the atmosphere lamp flashes according to the navigation real-time broadcasting frequency, and the speaker broadcasts navigation real-time driving information;
(4) when the vehicle gives an alarm, an alarm mode is started, the atmosphere lamp is bright red, the flashing frequency is increased, and the combined loudspeaker gives an alarm prompt tone;
(5) when the vehicle is parked, the guest sending mode is started, the atmosphere lamp presents ice blue, and flashes and fluctuates according to the breathing frequency, and the speaker plays the guest sending music resource prefabricated by the multimedia module.
Second, control system of car atmosphere lamp along with sound source rhythm based on scene
Based on the same inventive concept, the embodiment of the application also provides a scene-based control system for the atmosphere lamp of the automobile along with the rhythm of the sound source, which is used for realizing the control method; as shown in fig. 2, the device includes a sound source determination function module and an intelligent control function module.
The sound source judging function module specifically comprises: the system level chip, the vehicle-mounted entertainment audio-visual system, the sound source management module, the digital signal processing module and the MCU (sound source management micro control unit);
the system-on-chip functions are as follows: the system-level chip needs an analog-digital converter, and an electronic element for converting an analog signal into a digital signal;
the vehicle-mounted entertainment audio and video system has the functions of: apps such as sound source signals of intelligent voice, multimedia, navigation, vehicle safety reminding and the like can provide sound sources of different applications;
the sound source management module has the functions of: sending the sound source analog signal to a digital signal processing module, and sending the sound source digital signal to an MCU;
the digital signal processing module has the functions of: converting the sound source analog signal into a sound source digital signal;
the functions of the MCU (sound source management micro control unit) are as follows: classifying the sound source signals, reserving the currently played sound source signals, removing other sound source signals, converting the result into a CAN signal and sending the CAN signal to an atmosphere lamp controller;
further, the intelligent control function module specifically includes: the atmosphere lamp control device, the combined atmosphere lamp, the independent power amplifier and the combined loudspeaker are arranged;
the combined atmosphere lamp is arranged at the air outlet of a vehicle air conditioner, the bottom of an IP (instrument panel), a door panel and the like, and receives signals of the atmosphere lamp controller to realize different rhythm effects;
the function of the ambience lamp controller is as follows: controlling the combined atmosphere lamp according to the MCU result, driving the rhythm effect of the atmosphere lamp in real time, dividing the atmosphere lamp into different sound sources, and respectively performing color control, brightness control, turn-on/turn-off time control, turn-on duration control and the like on the lamp beads;
the independent power amplifier has the functions as follows: controlling a loudspeaker, and driving the loudspeaker after analog audio amplification;
the combined loudspeaker has the functions of: the audio source playing function is carried, and the effect of fluctuating and slowly changing colors of the audio and atmosphere lamp rhythm models can be achieved synchronously.
Based on the same inventive concept, the embodiment of the application also provides an automobile which comprises the control system.
In summary, the method and the system for controlling the rhythm of the vehicle atmosphere lamp along with the sound source based on the scene provided by the invention are adopted:
1. the method for controlling the automobile atmosphere lamp to move with the sound source rhythm based on the scene is provided, the automobile atmosphere lamp can be intelligently controlled according to the automobile sound source through the sound source judging function module and the intelligent control function module, so that the automobile atmosphere lamp moves with the sound source according to the preset model rhythm, the automobile atmosphere feeling and the entertainment feeling can be better created, and the driving experience of an automobile is improved;
2. the prefabricated atmosphere lamp rhythm model is provided, corresponding control modes are executed according to the starting and stopping states of the vehicle and the type of the sound source digital signal, intelligent control is conducted on the atmosphere of the vehicle, the atmosphere sense in the vehicle is further improved, and intelligent experience of the vehicle is enhanced.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (10)
1. A method for controlling rhythm of an atmosphere lamp of a car along with a sound source based on a scene is characterized by comprising the following steps:
s1, the vehicle-mounted entertainment audio-visual system generates a corresponding sound source analog signal according to the currently executed function module and sends the sound source analog signal to the automobile system-level chip, wherein the function module comprises music playing, voice navigation and vehicle safety reminding;
s2, the automobile system-level chip converts the sound source analog signal into a sound source digital signal, and sends the sound source digital signal to a sound source management micro control unit, and meanwhile, the automobile system-level chip forwards the sound source analog signal to a vehicle-mounted independent power amplifier;
s3, the sound source management micro control unit classifies the sound source digital signals, generates corresponding CAN signals according to the types of the sound source digital signals, and then sends the CAN signals to the atmosphere lamp controller, wherein the types of the sound source digital signals comprise in-vehicle music, in-vehicle navigation voice and vehicle reminding alarm voice;
s4, the atmosphere lamp controller intelligently controls the atmosphere lamp in the vehicle according to the prefabricated atmosphere lamp rhythm model;
and S5, the vehicle-mounted independent power amplifier amplifies the received sound source analog signal and then drives a vehicle-mounted loudspeaker to play a corresponding sound source.
2. The method for controlling the atmosphere lamp of the car along with the rhythm of the sound source based on the scene as claimed in claim 1, wherein the car-mounted entertainment audio and video system sends the sound source analog signal to the car system-level chip through the sound source management module; and the automobile system-level chip sends the sound source digital signal to a sound source management micro control unit through a sound source management module.
3. The method of claim 1, wherein in step S2, the car system on chip is provided with an analog-to-digital converter, and the audio source analog signal is converted into an audio source digital signal by the analog-to-digital converter.
4. The method of claim 1, wherein in step S4, the intelligent control comprises: the color of the lamp beads, the brightness of the lamp beads and the turn-on/turn-off time of the atmosphere lamp are determined, the color of the lamp beads is changed according to the color value, the brightness of the lamp beads is changed according to the brightness percentage, and the time is calculated by taking seconds as a unit.
5. The method for controlling a car atmosphere lamp to follow a sound source rhythm based on a scene as claimed in claim 1, wherein in step S4, the prefabricated atmosphere lamp rhythm model specifically comprises the following steps:
A. when the vehicle is started, the welcome mode is started, the atmosphere lamp presents ice blue, and flashes and fluctuates according to the breathing frequency;
B. when the vehicle plays music, a pleasure mode is started, the atmosphere lamp changes different colors according to the music type of the multimedia module and flashes in real time according to the speed of the music rhythm;
C. when the vehicle navigates, a route searching mode is started, the color of the atmosphere lamp is changed into green, and the atmosphere lamp flashes according to the real-time broadcasting frequency of navigation;
(4) when the vehicle gives an alarm, an alarm mode is started, the atmosphere lamp is bright red, and the flashing frequency is improved;
(5) when the vehicle is parked, the guest sending mode is started, the atmosphere lamp presents ice blue, and flashes and fluctuates according to the breathing frequency.
6. The method for controlling the rhythm of an automotive ambience lamp with a sound source based on a scene as claimed in claim 1, wherein the prefabricated ambience lamp rhythm model is provided with a plurality of sets, and the ambience lamp controller has OTA function for updating and replacing the prefabricated ambience lamp rhythm model.
7. A control system for implementing the control method of any one of claims 1 to 6, comprising a sound source judgment function module and an intelligent control function module;
the sound source judgment function module consists of a vehicle-mounted entertainment audio-visual system, an automobile system-level chip, a sound source management micro-control unit and a sound source management module;
the intelligent control function module is composed of an atmosphere lamp controller, an atmosphere lamp, a vehicle-mounted independent power amplifier and a vehicle-mounted loudspeaker.
8. The control system of claim 7, wherein the in-vehicle entertainment audio/video system has a plurality of functional modules for providing different sound sources, and the functional modules include music playing, voice navigation, and vehicle safety reminding;
the automobile system-level chip is provided with an analog-digital converter used for converting the sound source analog signal into a sound source digital signal.
9. The control system of claim 7, wherein the mood light is specifically mounted to an air outlet of an automotive air conditioner, a bottom portion of an instrument panel, and an inside of a door of the vehicle.
10. An automobile, characterized in that: comprising a control system according to claim 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210750786.3A CN115103485A (en) | 2022-06-28 | 2022-06-28 | Scene-based control method and system for rhythm of automobile atmosphere lamp along with sound source |
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| CN202210750786.3A CN115103485A (en) | 2022-06-28 | 2022-06-28 | Scene-based control method and system for rhythm of automobile atmosphere lamp along with sound source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115742949B (en) * | 2022-11-29 | 2024-05-03 | 重庆长安汽车股份有限公司 | Music rhythm atmosphere lamp and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115742949B (en) * | 2022-11-29 | 2024-05-03 | 重庆长安汽车股份有限公司 | Music rhythm atmosphere lamp and vehicle |
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