CN110461077A - A kind of lamp light control method, Light Control Unit and readable storage medium storing program for executing - Google Patents
A kind of lamp light control method, Light Control Unit and readable storage medium storing program for executing Download PDFInfo
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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
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Abstract
The application belongs to intelligent lighting technical field, mainly provide a kind of lamp light control method, Light Control Unit and readable storage medium storing program for executing, by acquiring the audio data of preset length audio section, and according to the sample frequency of the amplitude of variation of audio data adjustment audio data；Obtain the centre frequency of the audio data, then corresponding light driving signal is generated according to the centre frequency and preset frequency color relations, corresponding color lamp is driven to light by light driving signal, it realizes light and changes the effect being changed according to audio in real time, improve the harmony between light variation effect and music rhythm, it solves in existing music illumination scheme, light can not be converted according to music rhythm in real time, there is a problem of that the harmony between light variation effect and music rhythm variation and timing is poor.
Description
Technical field
The application belongs to intelligent lighting technical field more particularly to a kind of lamp light control method, Light Control Unit and can
Read storage medium.
Background technique
Intelligent scene illumination refers under intelligent illuminating system environment, passes through wireless control apparatus (remote controler, mobile phone application
Deng) switch of light, brightness and color etc. are adjusted, realize the control of the different lighting effects under different scenes.Often
Scene lighting has music lighting effects, and light changes with music.It realizes music lantern lighting effects, needs using sound
Happy color lamp controller.The equipment that music lantern controller adjusts color lamp when being a kind of broadcasting music in real time.Music common at present
The implementation of color lamp controller includes two kinds: one is according to specific music, artificial layout color lamp color change sequence, so
Change color lamp color according to the colour sequential of setting when playing music afterwards, this method may be implemented preferable color lamp color and become
Change effect, but need the color change sequence different to the difference layout of different songs, this needs to consume a large amount of time and people
Power cost.Another method is that timing changes color lamp color when playing music, and this method operation is fairly simple, and realization is also compared
It is easy, but the harmony between color lamp light variation effect and music rhythm variation and timing is poor.
Therefore, in existing music illumination scheme, light can not be converted according to music rhythm in real time, and there are light variations
Effect and music rhythm change the poor problem of the harmony between timing.
Summary of the invention
The application's is designed to provide a kind of lamp light control method, Light Control Unit and readable storage medium storing program for executing, it is intended to
It solves in existing music illumination scheme, light can not be converted according to music rhythm in real time, and there are light variation effect and sounds
Happy melody changes the poor problem of the harmony between timing.
This application provides a kind of lamp light control method, the lamp light control method includes:
The audio data of preset length audio section is acquired, and audio data is adjusted according to the amplitude of variation of the audio data
Sample frequency；
Obtain the centre frequency of the audio data；
Corresponding light driving signal, the light are generated according to the centre frequency and preset frequency color relations
Driving signal is for driving corresponding color lamp to light.
Optionally, the sample frequency that audio data is adjusted according to the amplitude of variation of the audio data, comprising:
Judge whether the amplitude of variation of the audio data is steady；
If steady, the audio data of next audio section is acquired according to the preset time interval, if unstable, reduction is adopted
Collect the time interval of the audio data of next audio section.
Optionally, whether the amplitude of variation for judging the audio data is steady, comprising:
Obtain the highest audio frequency and lowest audible frequencies of the audio data, and calculate the highest audio frequency with
Frequency difference between the lowest audible frequencies；
Judge whether the frequency difference is greater than predeterminated frequency threshold value；
If it is not, then determining that the amplitude of variation of the audio data is steady, if so, determining the variation width of the audio data
It spends unstable.
Optionally, the centre frequency for obtaining the audio data, comprising:
Obtain the highest audio frequency and lowest audible frequencies of the audio data；
Using the average value of the highest audio frequency and the lowest audible frequencies as the center of audio data frequency
Rate.
Optionally, the centre frequency for obtaining the audio data, comprising:
Calculate the frequency median of the audio data；
Using the frequency median as the centre frequency of the audio data.
Optionally, the centre frequency for obtaining the audio data, comprising:
The audio time domain signal of the audio data is converted into audio frequency-region signal by Fourier transform principle；
The audio frequency-region signal average value for calculating the audio data, centered on the audio frequency-region signal average value
Frequency.
Optionally, described to generate corresponding light driving letter according to the centre frequency and preset frequency color relations
Number, comprising:
Corresponding frequency Color Range is confirmed according to the centre frequency；
Corresponding light driving data is obtained according to the frequency Color Range and frequency color relations；Wherein, each
Frequency Color Range corresponds to one group of light driving data；
The light driving data is converted into corresponding light driving signal.
Optionally, after the centre frequency for obtaining the audio data, further includes:
Delay time is generated according to the centre frequency；
The time that the light driving signal drives the color lamp to light is determined according to the delay time.
Present invention also provides a kind of Light Control Unit, institute's Light Control Unit includes:
Audio data collecting module, for acquiring the audio data of preset length audio section, and according to the audio data
Amplitude of variation adjustment audio data sample frequency；
Centre frequency obtains module, for obtaining the centre frequency of the audio data；
Light drive module, for generating corresponding light according to the centre frequency and preset frequency color relations
Driving signal, the light driving signal is for driving corresponding color lamp to light.
Present invention also provides a kind of readable storage medium storing program for executing, the readable storage medium storing program for executing is stored with computer program, described
It is realized when computer program is executed by processor as described in above-mentioned any one the step of lamp light control method.
This application provides a kind of lamp light control method, Light Control Unit and readable storage medium storing program for executing, default by acquiring
The audio data of length audio section, and according to the sample frequency of the amplitude of variation of audio data adjustment audio data；It obtains
Then the centre frequency of the audio data generates corresponding lamp according to the centre frequency and preset frequency color relations
Optical drive signal drives corresponding color lamp to light by light driving signal, realizes light and changes progress according to audio in real time
The effect of variation improves the harmony between light variation effect and music rhythm, solves in existing music illumination scheme,
Light can not be converted according to music rhythm in real time, and there are between light variation effect and music rhythm variation and timing
The poor problem of harmony.
Detailed description of the invention
Fig. 1 is the flow diagram for the lamp light control method that one embodiment of the application provides.
A kind of implementation process signal of step S10 in the lamp light control method that Fig. 2 provides for one embodiment of the application
Figure.
A kind of implementation process signal of step S11 in the lamp light control method that Fig. 3 provides for one embodiment of the application
Figure.
The first implementation process of step S20 is shown in the lamp light control method that Fig. 4 provides for one embodiment of the application
It is intended to.
Second of implementation process of step S20 is shown in the lamp light control method that Fig. 5 provides for one embodiment of the application
It is intended to.
The third implementation process of step S20 is shown in the lamp light control method that Fig. 6 provides for one embodiment of the application
It is intended to.
A kind of implementation process signal of step S30 in the lamp light control method that Fig. 7 provides for one embodiment of the application
Figure.
Fig. 8 is the flow diagram for the lamp light control method that another embodiment of the application provides.
Fig. 9 is the structural schematic diagram for the Light Control Unit that one embodiment of the application provides.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
Rhythm is the tissue of audio in time, and rhythm includes beat and speed the two concepts, and beat refers to that audio is advised
The alternate movement of the power of rule property, that is, clap combination a little, speed refers to the rate of this regular movements.Due to the masking on human auditory system
Audio is divided a series of critical band by effect on frequency domain.In the case where acoustic pressure is constant, when noise is limited in some
When in bandwidth, the subjective loudness that human ear is felt is also constant, and one in this frequency bandwidth has complicated envelope
Signal loudness be equivalent to band width centre frequency position a pure tone loudness, and it is unrelated with the frequency distribution of signal itself,
So in the process for the frequency data acquisition for carrying out audio, it is important to find the centre frequency of the bandwidth of music signal, being based on should
Corresponding light variation effect is arranged in centre frequency, to express music rhythm at that time.
Fig. 1 is the flow diagram for the lamp light control method that one embodiment of the application provides, shown in Figure 1, this
The lamp light control method in embodiment includes:
Step S10: the audio data of acquisition preset length audio section, and adjusted according to the amplitude of variation of the audio data
The sample frequency of audio data；
Step S20: the centre frequency of the audio data is obtained；
Step S30: generating corresponding light driving signal according to the centre frequency and preset frequency color relations,
The light driving signal is for driving corresponding color lamp to light.
In the present embodiment, the audio data of preset length audio section is acquired first, and according to the change of the audio data
Change amplitude adjusts the sample frequency of audio data, specifically, the amplitude of variation of the audio data refers mainly to audio in the audio section
Frequency amplitude of variation, the preset length audio section can be used as first current audio section, and the time span of the audio section can
To preset, for example, being set as needed as 10us or 20us, the sample frequency of audio data can be according to previous audio
The amplitude of variation of the audio data of section acquisition is adjusted, i.e., the acquisition time node of subsequent every a segment of audio data can root
Be arranged according to the last period audio data, the acquisition time intervals of two adjacent audio sections by the last period audio data amplitude of variation
It determines, if the frequency amplitude of variation of the audio data is higher, the acquisition time interval is reduced, if the frequency of the audio data
Rate amplitude of variation is lower, then improves the acquisition time interval.The time interval can preset multiple preset time intervals,
If for example, the time interval can be set to 10us perhaps 15us the last period audio data amplitude of variation it is relatively steady or
Amplitude of variation is less than preset threshold, then acquisition time is set to 15us, if the amplitude of variation of the last period audio data is uneven
Steady or amplitude of variation is greater than preset threshold, then acquisition time is set to 10us.
Further, after the audio data for obtaining the audio data, the centre frequency of the audio data is calculated.
Then corresponding light driving signal is generated according to the centre frequency and preset frequency color relations, it is corresponding to drive
Color lamp is lighted.
In the present embodiment, the corresponding one group of light driving signal of each centre frequency, one group of light driving signal can drive
Dynamic color lamp generates a variety of lighting effects successively changed, which can be the centre frequency of a bit of audio, for example, one
Small section audio is between 8kHz to 10kHz, and wherein centre frequency can be 9kHz, in one embodiment, each centre frequency
Map one group of light driving signal, i.e., each centre frequency and corresponding light driving signal at preset frequency color relations,
Therefore, corresponding fluorescent tube driving signal is produced based on the centre frequency and preset frequency color relations, to drive
Color lamp generates corresponding color transformed effect.
In one embodiment, lamp light control method in the present embodiment further include: video decoding is divided into video flowing and sound
Frequency flows, and generates corresponding audio data based on the audio stream.
In this example it is shown that the Scaler chip of device receives HDMI/Displayport signal, pass through video solution
Code is divided into video flowing and audio stream two parts, and generates corresponding audio data based on the audio stream, passes through the sound collected
Frequency is according to corresponding light driving signal is generated, to drive color lamp to light, so that the process in video playing realizes that light follows
It is synchronous with light to reach vision for the effect that audio rhythm is converted.In one application, such as in scene of game, display
Device receives HDMI/Displayport signal, is divided into video flowing and audio stream two parts by video decoding, and be based on the sound
Frequency stream generates corresponding audio data, corresponding light driving signal is generated by the audio data collected, to drive
Color lamp is lighted, which can be embedded in Baffle Box of Bluetooth or display frame, is realized that vision is synchronous with light, is promoted user's
Game experiencing.
In one embodiment, shown in Figure 2, it is described that audio data is adjusted according to the amplitude of variation of the audio data
Sample frequency, comprising:
Step S11: judge whether the amplitude of variation of the audio data is steady；
Step S12: if steady, acquiring the audio data of next audio section according to the preset time interval, if unstable,
Then reduce the time interval for acquiring the audio data of next audio section.
In the present embodiment, it every time between the timing node of acquisition audio data there are a preset time interval, is adopting
It, can be by judging the amplitude of variation of the audio data whether steadily to next audio data collecting during collecting audio data
Timing node be adjusted, for example, if the amplitude of variation of the audio data is more steady, i.e., when the frequency in leading portion changes
Amplitude is lower, then acquires the audio data of next audio section according to the preset time interval, avoids frequently acquiring and handling audio
Data cause power consumption to increase problem, if judging, the amplitude of variation of the audio data is unstable, in order to make fluorescent tube transform effect
It follows audio to change in time, needs to reduce the time interval for acquiring the audio data of next audio section, for example, by the time interval
It is set as the 3/4 or 1/2 of preset time interval.
In one embodiment, shown in Figure 3, step S11: judge whether the amplitude of variation of the audio data puts down
Surely, comprising:
Step S111: the highest audio frequency and lowest audible frequencies of the audio data are obtained, and calculates the highest
Frequency difference between audio frequency and the lowest audible frequencies；
Step S112: judge whether the frequency difference is greater than predeterminated frequency threshold value；If it is not, then determining the audio data
Amplitude of variation it is steady, if so, determining that the amplitude of variation of the audio data is unstable.
In the present embodiment, can by obtaining the highest audio frequency and lowest audible frequencies of the audio data, and
The frequency difference between the highest audio frequency and the lowest audible frequencies is calculated to judge the frequency variation of the audio section
It is whether steady, if the frequency difference is less than predeterminated frequency threshold value, it can be determined that the audio data variation of the audio section is steady, if
The frequency difference is greater than predeterminated frequency threshold value, then illustrates to change greatly in the audio data of the audio section, the audio of the audio section
Data variation is unstable, needs to reduce the time interval of acquisition audio data, promotes the association of light transformation effect and audio rhythm
Tonality.
In one embodiment, shown in Figure 4, step S20: the centre frequency for obtaining the audio data, packet
It includes:
Step S211: the highest audio frequency and lowest audible frequencies of the audio data are obtained；
Step S212: using the average value of the highest audio frequency and the lowest audible frequencies as the audio data
Centre frequency.
In the present embodiment, by obtaining the highest audio frequency and lowest audible frequencies of the audio data, calculating should
The average value of highest audio frequency and lowest audible frequencies, and using the average value as the centre frequency of the audio data, example
Such as, the lowest audio frequency audio of the audio data is 8kHz, highest audio frequency 10kHz, the then centre frequency of the audio section
It can be 9kHz.
In one embodiment, shown in Figure 5, step S20: the centre frequency for obtaining the audio data, packet
It includes:
Step S221: the frequency median of the audio data is calculated；
Step S222: using the frequency median as the centre frequency of the audio data.
In the present embodiment, after the frequency data for obtaining the audio data, the audio is calculated according to the frequency data
The frequency median of data, using the frequency median as the centre frequency of the audio data, specifically, using position in frequency
Number can get the frequency representative value of the entire audio data, thus not by the maximum or minimum shadow in the audio section
It rings, improves the representativeness of centre frequency.
In one embodiment, shown in Figure 6, step S20: the centre frequency for obtaining the audio data, packet
It includes:
Step S231: the audio time domain signal of the audio data is converted to by audio frequency domain by Fourier transform principle
Signal；
Step S232: the audio frequency-region signal average value of the audio data is calculated, the audio frequency-region signal is averaged
Frequency centered on value.
In the present embodiment, after the frequency data for obtaining the audio data, by Fourier transform principle by the sound
The audio time domain signal of frequency evidence is converted to audio frequency-region signal, and the audio frequency-region signal for then calculating the audio data is average
Value, by frequency centered on the audio frequency-region signal average value.
In one embodiment, shown in Figure 7, step S30: described according to the centre frequency and preset frequency
Color relations generate corresponding light driving signal, comprising:
Step S301: corresponding frequency Color Range is confirmed according to the centre frequency；
Step S302: corresponding light driving data is obtained according to the frequency Color Range and frequency color relations；
Wherein, the corresponding one group of light driving data of each frequency Color Range；
Step S303: the light driving data is converted into corresponding light driving signal.
In the present embodiment, by the way that all centre frequencies are divided into multiple frequency Color Ranges, i.e., adjacent center frequency
Rate or the corresponding frequency Color Range of centre frequency in a certain frequency range, avoid in the center of adjacent audio section frequency
Rate differs the problem of lesser situation also needs to be separately provided one group of light driving data, leads to light driving power consumption, for example, if
The centre frequency of the audio data is 8.01kHz, and the centre frequency of next audio section is 8.03kHz, then when centre frequency is
Same frequency Color Range, each frequency Color Range corresponding one group of light driving number are mapped to when 8.01kHz and 8.03kHz
According to the centre frequency of that is, described audio data is 8.01kHz, and the centre frequency of next audio section is 8.03kHz, is generated identical
Light transformation effect, by the way that all centre frequencies are divided in multiple lesser frequency Color Ranges, according to the frequency color
The group number of the number setting light driving data of range avoids each center in the case where not influencing light transformation effect
The problem of existing transformation of the corresponding one group of light driving data of frequency is frequent, heavy workload is arranged in light driving data.
In one embodiment, shown in Figure 8, step S20: after the centre frequency for obtaining the audio data, also
Include:
Step S401: delay time is generated according to the centre frequency；
Step S402: the time that the light driving signal drives the color lamp to light is determined according to the delay time.
In the present embodiment, delay time is generated according to centre frequency, light driving letter is then determined according to delay time
Number driving time for lighting of color lamp, specifically, the centre frequency by the audio data can calculate rhythm or beat
Delay, so that it is determined that the output time of light driving signal, to determine that the driving of fluorescent tube driving signal is color according to the delay time
The time that lamp is lighted allows light transformation effect to follow the variation of music rhythm in time.
Shown in Figure 9 the embodiment of the present application also provides a kind of Light Control Unit, institute's Light Control Unit 10 wraps
It includes:
Audio data collecting module 11, for acquiring the audio data of preset length audio section, and according to the audio number
According to amplitude of variation adjustment audio data sample frequency；
Centre frequency obtains module 12, for obtaining the centre frequency of the audio data；
Light drive module 13, for generating corresponding lamp according to the centre frequency and preset frequency color relations
Optical drive signal, the light driving signal is for driving corresponding color lamp to light.
In the present embodiment, audio data collecting module 11 acquires the audio data of preset length audio section, and according to institute
The sample frequency for stating the amplitude of variation adjustment audio data of audio data, specifically, the amplitude of variation of the audio data refers mainly to
Audio frequency amplitude of variation in the audio section, the preset length audio section can be used as first current audio section, the audio
The time span of section can be preset, for example, being set as needed as 10us or 20us, the sample frequency of audio data can
It is adjusted with the amplitude of variation of the audio data acquired according to previous audio section, i.e., the acquisition of subsequent every a segment of audio data
Timing node can be arranged according to the last period audio data, and the acquisition time interval of two adjacent audio sections is by previous section audio
The amplitude of variation of data determines, if the frequency amplitude of variation of the audio data is higher, the acquisition time interval is reduced, if institute
The frequency amplitude of variation for stating audio data is lower, then improves the acquisition time interval.The time interval can preset multiple
Preset time interval, for example, the time interval can be set to 10us or 15us, if the variation width of the last period audio data
Degree is relatively more steady or amplitude of variation is less than preset threshold, then acquisition time is set to 15us, if the last period audio data
Amplitude of variation is unstable or amplitude of variation is greater than preset threshold, then acquisition time is set to 10us.
Further, after the audio data that audio data collecting module 11 obtains the audio data, centre frequency is obtained
The centre frequency of the calculating of modulus block 12 audio data.Then light drive module 13 is according to the centre frequency and pre-
If frequency color relations generate corresponding light driving signal, to drive corresponding color lamp to light.
In the present embodiment, the corresponding one group of light driving signal of each centre frequency, one group of light driving signal can drive
Dynamic color lamp generates a variety of lighting effects successively changed, which can be the centre frequency of a bit of audio, for example, one
Small section audio is between 8kHz to 10kHz, and wherein centre frequency can be 9kHz, in one embodiment, each centre frequency
Map one group of light driving signal, i.e., each centre frequency and corresponding light driving signal at preset frequency color relations,
Therefore, corresponding fluorescent tube driving signal is produced based on the centre frequency and preset frequency color relations, to drive
Color lamp generates corresponding color transformed effect.
In a kind of lamp light control method provided by the present application, Light Control Unit, pass through acquisition preset length audio section
Audio data, and according to the sample frequency of the amplitude of variation of audio data adjustment audio data；Obtain the audio data
Centre frequency, then generate corresponding light driving signal according to the centre frequency and preset frequency color relations,
It drives corresponding color lamp to light by light driving signal, realizes light and change the effect being changed according to audio in real time,
The harmony between light variation effect and music rhythm is improved, is solved in existing music illumination scheme, light can not be real
When converted according to music rhythm, there are light variation effect and music rhythm variation timing between harmony it is poor
The problem of.
Present invention also provides a kind of display terminal, including memory, processor and storage are in the memory simultaneously
The computer program that can be run on the processor, the processor are realized when executing the computer program as above-mentioned any
The step of one lamp light control method.
In the embodiment of the present application, alleged processor can be central processing unit (Central Processing
Unit, CPU), which can also be other general processors, digital signal processor (Digital Signal
Processor, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
It is field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components etc..General processor can be microprocessor or the processor can also
To be any conventional processor etc..
Memory may include read-only memory and random access memory, and provide instruction and data to processor.It deposits
Part or all of reservoir can also include nonvolatile RAM.For example, memory can also store equipment
The information of type.
The application one embodiment additionally provides a kind of readable storage medium storing program for executing, and the readable storage medium storing program for executing is stored with computer
Program is realized as described in above-mentioned any one when the computer program is executed by processor the step of lamp light control method.Institute
Stating readable storage medium storing program for executing can be memory, and the memory is stored with computer program, and the computer program can be described
It is run on processor, for example, the computer program is the program of lamp light control method.The processor executes the computer
The step in above-mentioned lamp light control method embodiment is realized when program.Alternatively, when the processor executes the computer program
Realize the function of each module/unit in above-mentioned each Installation practice.
The computer program can be divided into one or more module/units, one or more of modules/mono-
Member is stored in the memory, and is executed by the processor, to complete the application.One or more of modules/mono-
Member can be the series of computation machine program instruction section that can complete specific function, and the instruction segment is for describing the computer journey
Implementation procedure of the sequence in the terminal of lamp light control method.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
In embodiment provided herein, it should be understood that disclosed device/terminal and method can pass through
Other modes are realized.For example, device/terminal embodiment described above is only schematical, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling or direct-coupling or communication connection discussed can be through some interfaces, device or unit
INDIRECT COUPLING or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the application realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a readable storage medium storing program for executing, and the computer program is when being executed by processor, it can be achieved that above-mentioned each
The step of embodiment of the method.Wherein, the computer program includes computer program code, and the computer program code can be with
For source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium can wrap
It includes: any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic disk, light of the computer program code can be carried
Disk, computer storage, read-only memory (Read-Only Memory, ROM), random access memory (Random Access
Memory, RAM), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described computer-readable
The content that medium includes can carry out increase and decrease appropriate according to the requirement made laws in jurisdiction with patent practice, such as at certain
A little jurisdictions do not include electric carrier signal and telecommunication signal according to legislation and patent practice, computer-readable medium.
The foregoing is merely the alternative embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (10)
1. a kind of lamp light control method, which is characterized in that the lamp light control method includes:
The audio data of preset length audio section is acquired, and adopting for audio data is adjusted according to the amplitude of variation of the audio data
Sample frequency；
Obtain the centre frequency of the audio data；
Corresponding light driving signal, the light driving are generated according to the centre frequency and preset frequency color relations
Signal is for driving corresponding color lamp to light.
2. lamp light control method as described in claim 1, which is characterized in that the amplitude of variation according to the audio data
Adjust the sample frequency of audio data, comprising:
Judge whether the amplitude of variation of the audio data is steady；
If steady, the audio data of next audio section is acquired according to the preset time interval, if unstable, is reduced under acquisition
The time interval of the audio data of one audio section.
3. lamp light control method as claimed in claim 2, which is characterized in that the amplitude of variation of the judgement audio data
It is whether steady, comprising:
Obtain the highest audio frequency and lowest audible frequencies of the audio data, and calculate the highest audio frequency with it is described
Frequency difference between lowest audible frequencies；
Judge whether the frequency difference is greater than predeterminated frequency threshold value；
If it is not, then determining that the amplitude of variation of the audio data is steady, if so, determining the amplitude of variation of the audio data not
Steadily.
4. lamp light control method as described in claim 1, which is characterized in that the center frequency for obtaining the audio data
Rate, comprising:
Obtain the highest audio frequency and lowest audible frequencies of the audio data；
Using the average value of the highest audio frequency and the lowest audible frequencies as the centre frequency of the audio data.
5. lamp light control method as described in claim 1, which is characterized in that the center frequency for obtaining the audio data
Rate, comprising:
Calculate the frequency median of the audio data；
Using the frequency median as the centre frequency of the audio data.
6. lamp light control method as described in claim 1, which is characterized in that the center frequency for obtaining the audio data
Rate, comprising:
The audio time domain signal of the audio data is converted into audio frequency-region signal by Fourier transform principle；
The audio frequency-region signal average value for calculating the audio data, by frequency centered on the audio frequency-region signal average value
Rate.
7. lamp light control method as described in claim 1, which is characterized in that described according to the centre frequency and preset
Frequency color relations generate corresponding light driving signal, comprising:
Corresponding frequency Color Range is confirmed according to the centre frequency；
Corresponding light driving data is obtained according to the frequency Color Range and frequency color relations；Wherein, each frequency
Color Range corresponds to one group of light driving data；
The light driving data is converted into corresponding light driving signal.
8. lamp light control method as described in claim 1, which is characterized in that the centre frequency for obtaining the audio data
Later, further includes:
Delay time is generated according to the centre frequency；
The time that the light driving signal drives the color lamp to light is determined according to the delay time.
9. a kind of Light Control Unit, which is characterized in that institute's Light Control Unit includes:
Audio data collecting module, for acquiring the audio data of preset length audio section, and according to the change of the audio data
The sample frequency of change amplitude adjustment audio data；
Centre frequency obtains module, for obtaining the centre frequency of the audio data；
Light drive module drives for generating corresponding light according to the centre frequency and preset frequency color relations
Signal, the light driving signal is for driving corresponding color lamp to light.
10. a kind of readable storage medium storing program for executing, the readable storage medium storing program for executing is stored with computer program, which is characterized in that the calculating
It is realized when machine program is executed by processor as described in claim 1 to 8 any one the step of lamp light control method.
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