CN115534844A - Vehicle-mounted atmosphere lamp music rhythm control method and system - Google Patents
Vehicle-mounted atmosphere lamp music rhythm control method and system Download PDFInfo
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- 230000002996 emotional effect Effects 0.000 claims abstract description 27
- 239000003086 colorant Substances 0.000 claims abstract description 16
- 230000036651 mood Effects 0.000 claims description 14
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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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
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
- G10L25/30—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique using neural networks
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
- G10L25/63—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for estimating an emotional state
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Abstract
A vehicle-mounted atmosphere lamp music rhythm control method and system. The vehicle-mounted atmosphere lamp music rhythm control method is suitable for being implemented in a vehicle body control unit and comprises the following steps: acquiring a series of characteristic data of currently played music from the vehicle-mounted infotainment system, wherein each characteristic data corresponds to music data with a first cycle length; periodically determining a corresponding emotional color based on a series of feature data within a second time period; and determining attributes of the vehicle-mounted atmosphere lamp based on the emotional colors. The vehicle-mounted atmosphere lamp music rhythm control method and system have the advantages of low implementation cost, good atmosphere lamp music rhythm effect and the like.
Description
Technical Field
The invention relates to automobile electronics, in particular to a vehicle-mounted atmosphere lamp music rhythm control method, a vehicle body control unit, a method for extracting music characteristic data, a vehicle-mounted information entertainment system and a vehicle-mounted atmosphere lamp music rhythm control system.
Background
To enhance the user experience, more and more vehicles are now being equipped with atmosphere lights. The mood light on some vehicles may change with the musical rhythm, i.e., the musical rhythm function of the vehicle mood light. For the music rhythm function of the car atmosphere lamp, the current conventional practice is: (1) Collecting the voltage of a loudspeaker, sending the collected data to a music rhythm algorithm box for processing through an audio analysis chip or directly, generating a corresponding control instruction and sending the control instruction to an atmosphere lamp; (2) For a specific music or music, atmosphere lamp control instructions are designed in a manual mode, and the atmosphere lamp controller executes the control instructions to control the atmosphere lamp.
For the method of the type (1), a specific music rhythm algorithm box is required, the implementation cost is high, and the structure does not meet the trend of automobile intellectualization. In addition, because the voltage of the loudspeaker is collected to be used as the input of the music rhythm control algorithm, the atmosphere lamp rhythm and the music beat have poor synchronism.
In the method (2), the atmosphere lamp control command is manually designed for specific music, so that the method has the defects of limited use scenes, inflexible function configuration, incapability of dynamically adjusting the rhythm effect of the atmosphere lamp according to different types of music, poor reusability and the like.
Disclosure of Invention
The invention aims to provide a vehicle-mounted atmosphere lamp music rhythm control method, a vehicle body control unit, a method for extracting music characteristic data, a vehicle-mounted information entertainment system and a vehicle-mounted atmosphere lamp music rhythm control system, and the vehicle-mounted atmosphere lamp music rhythm control system has the advantages of low implementation cost, good atmosphere lamp music rhythm effect and the like.
In order to solve the above problems, an aspect of the present invention provides a vehicle-mounted atmosphere lamp music rhythm control method, which is suitable for being implemented in a vehicle body control unit, and includes: acquiring a series of characteristic data of currently played music from an in-vehicle infotainment system, wherein each characteristic data corresponds to music data with a first cycle length; periodically determining a corresponding emotional color based on a series of the feature data over a second duration; and determining the attribute of the vehicle-mounted atmosphere lamp based on the emotional colors.
Another aspect of the present invention provides a vehicle body control unit including: one or more processors; and a computer-readable storage medium having stored thereon a plurality of instructions that, in response to execution by the one or more processors, cause the one or more processors to implement an in-vehicle mood light musical rhythm control method as described above.
Yet another aspect of the present invention provides a method of extracting music feature data, suitable for implementation in an in-vehicle infotainment system, comprising: generating an audio waveform according to the music file; performing discrete processing and time-frequency transformation on the audio waveform to obtain a series of frequency spectrum data; and determining corresponding characteristic data based on each of the spectral data.
Yet another aspect of the present invention provides an in-vehicle infotainment system, comprising: one or more processors; and a computer-readable storage medium having stored thereon a plurality of instructions that, in response to execution by the one or more processors, cause the one or more processors to implement the method of extracting music feature data as described above.
Yet another aspect of the present invention provides a vehicle-mounted ambience lamp music rhythm control system, comprising: the vehicle body control unit as described above and the in-vehicle infotainment system as described above, which are connected to each other by an in-vehicle bus.
Compared with the prior art, the scheme has the following advantages:
the vehicle-mounted atmosphere lamp music rhythm control method can be integrated in the vehicle body control unit in a software mode, realizes atmosphere lamp music rhythm control by utilizing the redundant space and the computing power of the vehicle body control unit, does not need additional hardware, and reduces the hardware cost. In addition, the vehicle-mounted atmosphere lamp music rhythm control method can determine the attribute of the vehicle-mounted atmosphere lamp according to the played music in real time, and has the advantages of good synchronism of atmosphere lamp rhythm and music beat and good rhythm effect.
Drawings
FIG. 1 illustrates a schematic diagram of an in-vehicle mood light music rhythm control system in accordance with one or more embodiments of the present invention;
FIG. 2 illustrates a schematic view of a vehicle body control unit according to one or more embodiments of the present invention;
FIG. 3 illustrates a flow diagram of an in-vehicle mood light music pulse control method in accordance with one or more embodiments of the present invention;
FIG. 4 illustrates a schematic diagram of an in-vehicle infotainment system in accordance with one or more embodiments of the invention;
fig. 5 illustrates a flowchart of a method of extracting music feature data according to one or more embodiments of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention to those skilled in the art. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without some of these specific details. Furthermore, it should be understood that the invention is not limited to specific described embodiments. Rather, it is contemplated that the invention may be practiced with any combination of the following features and elements, whether or not they relate to different embodiments. Thus, the following aspects, features, embodiments and advantages are merely illustrative and should not be considered elements or limitations of the claims except where explicitly recited in a claim(s).
FIG. 1 illustrates a schematic diagram of a vehicle-mounted ambience lamp music pulse control system according to one or more embodiments of the invention. Referring to FIG. 1, an in-vehicle mood light music rhythm control system 100 includes a body control unit 110, an in-vehicle infotainment system 120, and an in-vehicle bus 130. The body control unit 110 and the in-vehicle infotainment system 120 are interconnected by an in-vehicle bus 130. The on-board bus 130 may include, for example, one or more of the following: ethernet bus, CAN bus, LIN bus, flexRay bus, etc. Based on the characteristic data 101 determined by the in-vehicle infotainment system 120 from the played music, the body control unit 110 is adapted to determine properties 102 of the in-vehicle ambience lamp for controlling the in-vehicle ambience lamp 10 to rhythm with the music.
In one or more embodiments, in-vehicle mood light music rhythm control system 100 may also include in-vehicle mood light control module 140. The vehicle-mounted ambience lamp control module 140 is adapted to receive the attribute 102 of the vehicle-mounted ambience lamp sent by the vehicle body control unit 110 and determine and send a vehicle-mounted ambience lamp control signal to the vehicle-mounted ambience lamp 10 based on the attribute 102 of the vehicle-mounted ambience lamp. In one or more embodiments, the vehicle ambience lamp control module 140 and the vehicle ambience lamp 10 may be connected by one or more of a LIN bus, a PWM signal line, and a Sel signal line. The LIN bus is used for mutual communication between the vehicle-mounted atmosphere lamp control module 140 and the vehicle-mounted atmosphere lamp 10, the PWM signal line is used for transmitting a PWM signal to control the brightness, color and the like of the vehicle-mounted atmosphere lamp 10, and the Sel signal line is used for transmitting a selection signal to select which area or areas of the atmosphere lamp 10 are controlled.
FIG. 2 illustrates a schematic view of a vehicle body control unit according to one or more embodiments of the present invention. Referring to fig. 2, the body control unit 110 includes one or more processors 111 and a computer-readable storage medium 112. The computer-readable storage medium 112 stores a plurality of instructions that can be executed by the processor 111 to implement the vehicle-mounted ambience lamp music rhythm control method as will be described in greater detail below.
FIG. 3 illustrates a flow diagram of a vehicle mood light music pulse control method in accordance with one or more embodiments of the present invention. Referring to fig. 3, a vehicle-mounted ambience light music rhythm control method 200 includes the steps of:
step 210: acquiring a series of characteristic data of currently played music from the vehicle-mounted infotainment system, wherein each characteristic data corresponds to music data with a first cycle length;
step 220: periodically determining a corresponding emotional color based on a series of characteristic data within a second time period;
step 230: and determining the attribute of the vehicle-mounted atmosphere lamp based on the emotional colors.
At step 210, the vehicle body control unit 110 acquires a series of characteristic data 101 of currently playing music from the in-vehicle infotainment system 120, wherein each characteristic data 101 corresponds to music data of a first cycle length. The characteristic data 101 may include, among other things, one or more of an energy value, an amplitude, and a frequency. In one or more embodiments, the feature data 101 includes one or more of an energy value, amplitude, and frequency corresponding to a maximum energy point in an energy spectrum of the music data of the first period length. The first period may have a length of 20 milliseconds, for example.
In step 220, the vehicle body control unit 110 periodically determines a corresponding emotional color based on the series of characteristic data 101 in the second period of time. In one or more embodiments, the step of determining the corresponding emotional color based on the series of characteristic data 101 over the second duration comprises:
calculating a feature data average value for a series of feature data over a second time period;
and determining the corresponding emotional colors through the emotional color determination model based on the characteristic data average value.
In one or more embodiments, the mean value of the feature data is calculated by an arithmetic mean or a weighted mean. In one or more embodiments, the emotional color determination model may be a model trained via a neural network. In particular, neural networks can be trained using a large amount of manually emotional-color-labeled music data (feature data average) as a training set. The model obtained after training can output corresponding emotional colors according to the average value of the feature data as input. In one or more embodiments, the emotional colors include one or more of: joy, anger, sadness, fear, disgust, surprise, mu.
In step 230, the vehicle body control unit 110 determines the attributes of the vehicle-mounted ambience lamp based on the emotional colors. In one or more embodiments, the emotional colors are input to an mood light musical rhythm model that determines attributes 102 of the vehicle-mounted mood light based on the emotional colors. The atmosphere light music rhythm model may be a model trained by a neural network, for example. In other embodiments, the ambience light music rhythm model may be, for example, a lookup table of correspondence of emotional colors to attributes of the vehicle-mounted ambience light. In one or more embodiments, the attributes 102 of the onboard atmosphere light include one or more of: light position, light color, light brightness. In one embodiment, the mood light musical movement model may output a light color of red when the emotional color is anger. In one embodiment, the mood light music rhythm model may output a light color of blue when the emotional color is sad.
In one or more embodiments, the body control unit 110 may also obtain information 103 from other onboard controllers via the onboard bus 130 to determine attributes 102 of the onboard atmosphere lights. The information 103 may include, for example, one or more of the following: weather information, rainfall information, user configuration, vehicle speed information.
As described above, in the foregoing embodiment, the vehicle-mounted ambience lamp music rhythm control method 200 is integrated in the form of software in the vehicle body control unit (e.g., vehicle body area controller, vehicle body high performance computing unit, conventional vehicle body control unit (BCM, IGC), etc.), and the ambience lamp music rhythm control can be implemented by using the redundant space and computing power of the vehicle body control unit, without additional hardware, thereby reducing the hardware cost. In addition, the vehicle-mounted atmosphere lamp music rhythm control method 200 in the foregoing embodiment may determine the attribute of the vehicle-mounted atmosphere lamp in real time according to the played music, and has the advantages of good synchronization between the atmosphere lamp rhythm and the music beat, and good rhythm effect.
FIG. 4 illustrates a schematic diagram of an in-vehicle infotainment system according to one or more embodiments of the invention. Referring to FIG. 4, in-vehicle infotainment system 120 includes one or more processors 121 and computer-readable storage media 122. The computer-readable storage medium 122 stores a plurality of instructions that can be executed by the processor 121 to implement a method of extracting music feature data as will be described later.
Fig. 5 illustrates a flowchart of a method of extracting music feature data according to one or more embodiments of the present invention. Referring to fig. 5, a method 300 of extracting music feature data includes the steps of:
step 310: generating an audio waveform according to the music file;
step 320: carrying out discrete processing and time-frequency transformation on the audio waveform to obtain a series of frequency spectrum data;
step 330: corresponding feature data is determined based on each of the spectral data.
In step 310, the in-vehicle infotainment system 120 generates an audio waveform from the music file. The music file may be, for example, a locally stored music file, or a music file played online. In one or more embodiments, the in-vehicle infotainment system 120 may convert music files in MP3/WMA/ACC/FLAC format, etc. into WAV waveform files to obtain audio waveforms. Wherein the sampling frequency of the music file may be, for example, one or more of 22.05KHz, 44.1KHz, 48KHz, etc.
In step 320, the in-vehicle infotainment system 120 performs discrete processing and time-frequency transformation on the audio waveform to obtain a series of spectral data. In one or more embodiments, time-frequency transforming the audio waveform includes a short-time fourier transform periodic by a first period length. The first period may have a length of 20 milliseconds, for example.
At step 330, in-vehicle infotainment system 120 determines corresponding characteristic data based on each of the spectral data. In one or more embodiments, step 330 includes the following two substeps:
the first substep: calculating the power of the frequency spectrum data in each equidistant frequency band;
and a second substep: the characteristic data is determined based on a maximum energy point in a frequency band having a maximum power.
In sub-step one, the corresponding power can be obtained by squaring and integrating the spectral data in the equally spaced frequency bands. In substep two, a maximum energy point is found in the frequency band with the maximum power, and the characteristic data is determined based on the maximum energy point. By determining the characteristic data in such a way, noise with larger energy can be avoided as a maximum energy point, and the accuracy of the characteristic data is ensured by determining the characteristic data through the noise. In one or more embodiments, the characteristic data may include one or more of an energy value, an amplitude, and a frequency.
Although the present invention has been described in connection with the preferred embodiments, it is not limited thereto. Various changes and modifications within the spirit and scope of the present invention will become apparent to those skilled in the art from this disclosure, and it is intended that the scope of the present invention be defined by the appended claims.
Claims (18)
1. A vehicle-mounted atmosphere lamp music rhythm control method is suitable for being implemented in a vehicle body control unit and is characterized by comprising the following steps:
acquiring a series of characteristic data of currently played music from an in-vehicle infotainment system, wherein each characteristic data corresponds to music data with a first cycle length;
periodically determining a corresponding emotional color based on a series of the feature data over a second time period; and
determining attributes of the vehicle-mounted atmosphere lamp based on the emotional colors.
2. The vehicle-mounted ambience lamp music rhythm control method of claim 1, wherein the characteristic data includes one or more of energy value, amplitude and frequency.
3. The vehicle atmosphere light music rhythm control method of claim 2, wherein said characteristic data includes one or more of an energy value, an amplitude, and a frequency corresponding to a maximum energy point in an energy spectrum of said music data for said first period length.
4. The vehicle-mounted atmosphere light music rhythm control method according to claim 1, wherein the step of determining the corresponding emotional colors based on a series of the characteristic data within the second time period comprises:
calculating a feature data average for a series of said feature data over a second time period;
and determining the corresponding emotional colors through the emotional color determination model based on the characteristic data average value.
5. The vehicle-mounted atmosphere lamp music rhythm control method according to claim 4, wherein the characteristic data average value is calculated by an arithmetic average or a weighted average.
6. The vehicle-mounted ambience lamp music rhythm control method according to claim 1, wherein the emotional colors are input to an ambience lamp music rhythm model, and the ambience lamp music rhythm model determines attributes of the vehicle-mounted ambience lamp based on the emotional colors.
7. The vehicle-mounted ambience lamp music rhythm control method of claim 1, 4, 5 or 6, wherein the emotional colors include one or more of the following: joy, anger, sadness, fear, disgust, surprise, mu.
8. The vehicle-mounted ambience lamp music rhythm control method of claim 1, wherein the attributes of the vehicle-mounted ambience lamp include one or more of the following: light position, light color, light brightness.
9. The vehicle-mounted ambience lamp music rhythm control method of claim 1, wherein the attributes of the vehicle-mounted ambience lamp are determined based on one or more of the following information: weather information, rainfall information, user configuration, vehicle speed information.
10. A vehicle body control unit characterized by comprising:
one or more processors; and
a computer-readable storage medium having stored thereon a plurality of instructions that, in response to execution by the one or more processors, cause the one or more processors to implement the in-vehicle mood light music rhythm control method of any of claims 1-9.
11. A method for extracting music characteristic data, which is suitable for being implemented in a vehicle-mounted infotainment system, is characterized by comprising the following steps:
generating an audio waveform according to the music file;
performing discrete processing and time-frequency transformation on the audio waveform to obtain a series of frequency spectrum data; and
corresponding characteristic data is determined based on each of the spectral data.
12. The method of claim 11, wherein the time-frequency transform comprises a short-time fourier transform with a first cycle length as a cycle.
13. The method of extracting music feature data according to claim 11, wherein the step of determining corresponding feature data based on each of the spectrum data comprises:
calculating the power of the frequency spectrum data in each equidistant frequency band; and
the characteristic data is determined based on a maximum energy point in a frequency band having a maximum power.
14. The method of extracting music feature data of claim 11, wherein the feature data comprises one or more of an energy value, an amplitude, and a frequency.
15. An in-vehicle infotainment system, comprising:
one or more processors; and
a computer-readable storage medium having stored thereon a plurality of instructions that, in response to execution by the one or more processors, cause the one or more processors to implement the method of extracting music feature data of any of claims 11-14.
16. The utility model provides a vehicle-mounted atmosphere lamp music rhythm control system which characterized in that includes: the vehicle body control unit of claim 10 and the in-vehicle infotainment system of claim 15, the vehicle body control unit and the in-vehicle infotainment system being interconnected by a vehicle bus.
17. The vehicle-mounted ambience lamp music rhythm control system of claim 16, further comprising a vehicle-mounted ambience lamp control module adapted to receive the attributes of the vehicle-mounted ambience lamp sent by the vehicle body control unit and determine and send a vehicle-mounted ambience lamp control signal to the vehicle-mounted ambience lamp based on the attributes of the vehicle-mounted ambience lamp.
18. The vehicle atmosphere light music rhythm control system of claim 16, wherein said vehicle control unit further obtains one or more of the following information via said vehicle bus: weather information, rainfall information, user configuration, vehicle speed information.
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| CN115002604A (en) * | 2022-04-11 | 2022-09-02 | 中国第一汽车股份有限公司 | Method for synchronously rhythming with music by matching full-active suspension system with vehicle-mounted entertainment system |
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| CN115002604A (en) * | 2022-04-11 | 2022-09-02 | 中国第一汽车股份有限公司 | Method for synchronously rhythming with music by matching full-active suspension system with vehicle-mounted entertainment system |
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