CN109471524A - A kind of method and mobile terminal controlling motor vibrations - Google Patents
A kind of method and mobile terminal controlling motor vibrations Download PDFInfo
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- CN109471524A CN109471524A CN201811115595.XA CN201811115595A CN109471524A CN 109471524 A CN109471524 A CN 109471524A CN 201811115595 A CN201811115595 A CN 201811115595A CN 109471524 A CN109471524 A CN 109471524A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72427—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting games or graphical animations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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Abstract
The embodiment of the invention discloses a kind of methods and mobile terminal for controlling motor vibrations, are related to field of communication technology, to solve the problems, such as that the feedback form of playing function of prior art offer is more dull.This method is applied to mobile terminal, this method comprises: obtaining the frequency spectrum of target audio signal, which is the audio signal in the audio signal of mobile terminal output；In the case that at least one sampled point in the spectrum meets preset condition, according to the target audio signal, driving signal is generated；Using the motor vibrations in driving signal driving mobile terminal.This method can be applied in the scene using mobile terminal playing sound.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of method for controlling motor vibrations and movements eventually
End.
Background technique
With the development of communication technology, more and more mobile terminals have playing function.
Currently, above-mentioned playing function may include picture playing function and sound-playing function.For example, using sound in user
During happy class application program plays song, mobile terminal can play the sound of the song；It is answered in user using video class
During watching film with program, mobile terminal can play the picture and sound of the film；It is answered in user using game class
During playing game with program, mobile terminal can play the picture and sound of the game.
However, in above-mentioned playing process, mobile terminal can only be provided in picture and sound both feedback forms
At least one, the feedback form so as to cause the playing function of prior art offer are more dull.
Summary of the invention
The embodiment of the present invention provides a kind of method and mobile terminal for controlling motor vibrations, to solve prior art offer
The more dull problem of the feedback form of playing function.
In order to solve the above-mentioned technical problem, the embodiments of the present invention are implemented as follows:
In a first aspect, this method is applied to mobile whole the embodiment of the invention provides a kind of method for controlling motor vibrations
End, this method comprises: obtaining the frequency spectrum of target audio signal, which is in the audio signal of mobile terminal output
Audio signal；In the case that at least one sampled point in the spectrum meets preset condition, according to the target audio signal,
Generate driving signal；Using the motor vibrations in driving signal driving mobile terminal.
Second aspect, the embodiment of the invention provides a kind of mobile terminal, which includes obtaining module, generating mould
Block and drive module.Module is obtained, for obtaining the frequency spectrum of target audio signal, which is mobile terminal output
Audio signal in audio signal；Generation module, for obtaining at least one sampled point in the frequency spectrum that module obtains
In the case where meeting preset condition, according to target audio signal, driving signal is generated；Drive module, for using generation module
The motor vibrations in driving signal driving mobile terminal generated.
The third aspect the embodiment of the invention provides a kind of mobile terminal, including processor, memory and is stored in this and deposits
On reservoir and the computer program that can run on the processor, the computer program realize first party when being executed by the processor
The step of method for the control motor vibrations that face provides.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage mediums
Computer program is stored in matter, and the control motor vibrations that first aspect provides are realized when which is executed by processor
The step of method.
In embodiments of the present invention, (target audio signal can be defeated for mobile terminal for available target audio signal
The audio signal in audio signal out) frequency spectrum；And at least one sampled point in the spectrum meets the feelings of preset condition
Under condition, according to the target audio signal, driving signal is generated；And using the motor vibration in driving signal driving mobile terminal
It is dynamic.With this solution, due to mobile terminal can at least one sampled point in the frequency spectrum of target audio signal meet it is default
In the case where condition, according to the target audio signal, the driving signal of the motor vibrations in driving mobile terminal, therefore this are generated
Inventive embodiments can provide the vibrational feedback of cooperation sound, so as to improve the result of broadcast of music, video and game etc.,
And then the experience sense of user can be improved.
Detailed description of the invention
Fig. 1 is a kind of configuration diagram of Android operation system provided in an embodiment of the present invention；
Fig. 2 is a kind of one of schematic diagram of method for controlling motor vibrations provided in an embodiment of the present invention；
Fig. 3 is a kind of one of schematic diagram of frequency spectrum of target audio signal provided in an embodiment of the present invention；
Fig. 4 is the two of a kind of schematic diagram of the frequency spectrum of target audio signal provided in an embodiment of the present invention；
Fig. 5 is the two of the schematic diagram of a kind of method for controlling motor vibrations provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram provided in an embodiment of the present invention for obtaining driving signal；
Fig. 7 is the three of the schematic diagram of a kind of method for controlling motor vibrations provided in an embodiment of the present invention；
Fig. 8 is a kind of flow diagram of frequency spectrum for obtaining target audio signal provided in an embodiment of the present invention；
Fig. 9 is the four of the schematic diagram of a kind of method for controlling motor vibrations provided in an embodiment of the present invention；
Figure 10 is the schematic diagram provided in an embodiment of the present invention for obtaining spectrum sequence；
Figure 11 is the structural schematic diagram of mobile terminal provided in an embodiment of the present invention；
Figure 12 is the hardware schematic of mobile terminal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The terms "and/or" is a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships,
For example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
Term " first " and " second " in description and claims of this specification etc. are for distinguishing different pairs
As, rather than it is used for the particular order of description object.For example, the first difference and the second difference etc. are for distinguishing different differences
Value, rather than the particular order for describing difference.
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " plurality " is refer to two or more,
For example, multiple element refers to two or more element.
The embodiment of the present invention provides a kind of method and mobile terminal for controlling motor vibrations, available target audio signal
The frequency spectrum of (target audio signal can be the audio signal in the audio signal of mobile terminal output)；And in the spectrum
In the case that at least one sampled point meets preset condition, according to the target audio signal, driving signal is generated；And it uses and is somebody's turn to do
Driving signal drives the motor vibrations in mobile terminal.With this solution, since mobile terminal can be in target audio signal
In the case that at least one sampled point in frequency spectrum meets preset condition, according to the target audio signal, it is mobile eventually to generate driving
The driving signal of motor vibrations in end, therefore the embodiment of the present invention can provide the vibrational feedback of cooperation sound, so as to
The result of broadcast of music, video and game etc. is improved, and then the experience sense of user can be improved.
Mobile terminal in the embodiment of the present invention can be the mobile terminal with operating system.The operating system can be
Android (Android) operating system can be ios operating system, can also be other possible operating systems, and the present invention is implemented
Example is not especially limited.
Below by taking Android operation system as an example, the method institute of control motor vibrations provided in an embodiment of the present invention is introduced
The software environment of application.
As shown in Figure 1, being a kind of configuration diagram of Android operation system provided in an embodiment of the present invention.In Fig. 1, peace
The framework of tall and erect operating system includes 4 layers, is respectively as follows: application layer, application framework layer, system Runtime Library layer and inner nuclear layer
(being specifically as follows Linux inner core).
Wherein, application layer includes each application program (including system application and in Android operation system
Tripartite's application program).
Application framework layer is the frame of application program, and developer can be in the exploitation for the frame for abiding by application program
In the case where principle, some application programs are developed based on application framework layer.
System Runtime Library layer includes library (also referred to as system library) and Android operation system running environment.Library is mainly Android behaviour
As system it is provided needed for all kinds of resources.Android operation system running environment is used to provide software loop for Android operation system
Border.
Inner nuclear layer is the operating system layer of Android operation system, belongs to the bottom of Android operation system software level.It is interior
Stratum nucleare provides core system service and hardware-related driver based on linux kernel for Android operation system.
By taking Android operation system as an example, in the embodiment of the present invention, developer can be based on above-mentioned Android as shown in Figure 1
The software program of the method for control motor vibrations provided in an embodiment of the present invention is realized in the system architecture of operating system, exploitation, from
And the method for the control motor vibrations is run based on Android operation system as shown in Figure 1.That is processor or shifting
Dynamic terminal can realize that control motor provided in an embodiment of the present invention shakes by running the software program in Android operation system
Dynamic method.
Mobile terminal in the embodiment of the present invention can be mobile phone, tablet computer, laptop, palm PC, vehicle-mounted
Mobile terminal, wearable device, Ultra-Mobile PC (ultra-mobile personal computer, UMPC),
Net book or personal digital assistant (personal digital assistant, PDA) etc., specifically can be according to actual use
Demand determines that the embodiment of the present invention is not especially limited.
The executing subject of the method for control motor vibrations provided in an embodiment of the present invention can be above-mentioned mobile terminal,
It can be the functional module and/or functional entity that can be realized the method for the control motor vibrations in the mobile terminal, specifically
It can be determined according to actual use demand, the embodiment of the present invention is not construed as limiting.Below by taking mobile terminal as an example, the present invention is implemented
The method for the control motor vibrations that example provides illustratively is illustrated.
As shown in Fig. 2, the embodiment of the present invention provides a kind of method for controlling motor vibrations.This method can be applied to move
Terminal.This method may include following step 100- step 103.
The frequency spectrum of step 100, acquisition for mobile terminal target audio signal.
Wherein, above-mentioned target audio signal can be the audio signal in the audio signal of mobile terminal output.
It should be noted that in the embodiment of the present invention, the audio signal of mobile terminal output refer to language, music and
The frequency and amplitude change information carrier (i.e. electric signal) of the regular sound wave of audio, and the electric signal can be simulation letter
Number.Specifically, what the audio signal can be connect by the audio-frequency module (such as loudspeaker) of mobile terminal or with mobile terminal
Audio frequency apparatus (such as sound equipment, microphone) etc. receives, and then audio-frequency module or audio frequency apparatus etc. can be by the audio signals with sound
Waveshape output (i.e. broadcasting sound).
Optionally, in the embodiment of the present invention, in the audio signal that above-mentioned target audio signal can export for mobile terminal
Part signal, or mobile terminal output audio signal in whole signals.It specifically can be according to actual use need
Ask determining, the embodiment of the present invention is not construed as limiting.
Optionally, mobile terminal can obtain the frequency spectrum of target audio signal under following scenes one or scene two:
Scene one, during output audio signal, the frequency spectrum of acquisition for mobile terminal target audio signal.
Illustratively, during user triggers playing music by mobile terminal, mobile terminal can export the music pair
The audio signal answered, and the frequency spectrum of the target audio signal in the audio signal is obtained in real time.
Scene two, during output audio signal and vision signal, the frequency of acquisition for mobile terminal target audio signal
Spectrum.
Illustratively, mobile terminal playing video or user are triggered in user and uses the process of mobile terminal object for appreciation game
In, mobile terminal can export the audio signals such as background sound, and obtain target audio signal in the audio signal in real time
Frequency spectrum.
Optionally, mobile terminal can obtain the frequency spectrum of target audio signal by following manner one or mode two:
Mode one, mobile terminal carry out Fourier transformation to target audio signal, to obtain the frequency of the target audio signal
Spectrum.Wherein, which can be continuous frequency spectrum.
It illustratively, is a kind of mobile terminal provided in an embodiment of the present invention to target audio as shown in (a) in Fig. 3
Signal carries out the schematic diagram of the frequency spectrum of the target audio signal obtained after Fourier transformation.
Mode two, mobile terminal obtain destination sample frequency according to the frequency range of target audio signal；And according to the mesh
It marks sample frequency to sample target audio signal, to obtain the sample sequence of the target audio signal；And to the sample sequence
It carries out operation (such as discrete Fourier transform), to obtain the frequency spectrum of target audio signal.Wherein, which can be discrete frequency
Spectrum, and the discrete spectrum by N number of groups of samples at (N is positive integer).
It illustratively, is a kind of mobile terminal provided in an embodiment of the present invention to target audio as shown in (b) in Fig. 3
The schematic diagram of the frequency spectrum of the target audio signal obtained after the progress discrete Fourier transform of signal.
Step 101, mobile terminal judge whether at least one sampled point in the frequency spectrum meets preset condition.
In the embodiment of the present invention, after the frequency spectrum of acquisition for mobile terminal target audio signal, mobile terminal be may determine that
Whether the sampled point in the frequency spectrum of the target audio signal meets preset condition.At least one sampled point in the spectrum meets
In the case where preset condition, mobile terminal can execute following steps 102；At least one sampled point in the spectrum is discontented
In the case where sufficient preset condition, mobile terminal can return and continue to execute above-mentioned step 100.
Optionally, in the embodiment of the present invention, above-mentioned preset condition may include at least one following: the amplitude of sampled point
It is greater than or equal to second threshold more than or equal to the absolute value of first threshold and the amplitude change rate of sampled point.Wherein, one
The amplitude change rate of sampled point be the first difference and the second difference ratio, first difference be a sampled point amplitude and
The difference of the amplitude of first sampled point, second difference are the difference of the frequency of a sampled point and the frequency of first sampled point
Value, first sampled point are adopting for the frequency that and frequency adjacent with a sampled point is less than a sampled point on frequency domain
Sampling point.
Illustratively, as shown in figure 4, being the schematic diagram of another frequency spectrum provided in an embodiment of the present invention.Assuming that the first threshold
Value is 2.5, second threshold 6, and the amplitude of sampled point A is 4.0, and the frequency of sampled point A is 2.5, and the amplitude of sampled point B is 0.5,
The frequency of sampled point B is 2.0, and the amplitude of sampled point C is 3.0, and the frequency of sampled point C is 6.0, and the amplitude of sampled point D is 1.2,
The frequency of sampled point D be 5.5, then the absolute value of the amplitude change rate of sampled point A be 7, the amplitude change rate of sampled point C it is exhausted
It is 3.6 to value.In the case where the amplitude that preset condition is sampled point is greater than or equal to first threshold, due to the width of sampled point A
Value and the amplitude of sampled point C are all larger than first threshold, therefore can to determine that sampled point A and sampled point C are all satisfied pre- for mobile terminal
If condition；In the case where the absolute value for the amplitude change rate that preset condition is sampled point is greater than or equal to second threshold, due to
The absolute value of the amplitude change rate of sampled point A is greater than second threshold, therefore mobile terminal can determine that sampled point A meets default item
Part；It is greater than or equal to the absolute value of the amplitude change rate of first threshold and sampled point in the amplitude that preset condition is sampled point
In the case where more than or equal to second threshold, since the amplitude of sampled point A is greater than first threshold and the amplitude change rate of sampled point A
Absolute value be greater than second threshold, therefore mobile terminal can determine that sampled point A meets preset condition.
Optionally, in the embodiment of the present invention, mobile terminal judges whether the sampled point in the frequency spectrum of target audio signal is full
Sufficient preset condition can specifically be realized by two kinds of following possible implementations:
The first possible implementation, in the case where the frequency spectrum of target audio signal is continuous frequency spectrum, mobile terminal
The frequency spectrum can be sampled, to obtain N number of sampled point, and judge whether each sampled point in N number of sampled point meets
Preset condition.
Second of possible implementation, in the case where the frequency spectrum of target audio signal is discrete spectrum, mobile terminal
It may determine that whether each sampled point in N number of sampled point of the discrete spectrum meets preset condition.
Step 102, mobile terminal generate driving signal according to the target audio signal.
Wherein, above-mentioned driving signal can be used for driving the motor vibrations in mobile terminal.
Optionally, in the embodiment of the present invention, mobile terminal can be directly using target audio signal as driving signal, can also
Using by the amplified target audio signal of amplitude as generate driving signal.It can specifically be determined according to actual use demand,
The embodiment of the present invention is not construed as limiting.
Step 103, mobile terminal are using the motor vibrations in driving signal driving mobile terminal.
Optionally, in the embodiment of the present invention, the motor in mobile terminal can be linear motor, or non-linear horse
It reaches.It can specifically be determined according to actual use demand, the embodiment of the present invention is not construed as limiting.
The embodiment of the present invention provides a kind of method for controlling motor vibrations, since mobile terminal can be in target audio signal
Frequency spectrum at least one sampled point meet preset condition in the case where, according to the target audio signal, generate driving movement
The driving signal of motor vibrations in terminal, therefore the embodiment of the present invention can provide the vibrational feedback of cooperation sound, so as to
To improve the result of broadcast of music, video and game etc., and then the experience sense of user can be improved.
Optionally, in conjunction with Fig. 2, as shown in figure 5, above-mentioned steps 102 specifically can be by following in the embodiment of the present invention
Step 102a is realized.
Step 102a, mobile terminal is according to default amplification factor, the amplitude of amplification target audio signal, to obtain driving letter
Number.
Wherein, the amplitude of above-mentioned target audio signal is the electric current of the voltage value of target audio signal, target audio signal
The performance number of value or target audio signal.
The embodiment of the present invention, in the time domain, the horizontal axis value of target audio signal can be time value, target audio signal
Longitudinal axis value can be amplitude (such as the current value of the voltage value of target audio signal, target audio signal of target audio signal
Or the performance number of target audio signal).
Optionally, amplifier can be set in mobile terminal provided in an embodiment of the present invention, such amplifier can be with
According to default amplification factor (such as amplification factor can be 2 times, 3 times, 4 times or 5 times), in the time domain to target audio signal
Amplitude amplify, so as to obtain driving signal.
Illustratively, Fig. 6 is the schematic diagram provided in an embodiment of the present invention for obtaining driving signal.Assuming that target audio signal
For the signal as shown in (a) in Fig. 6, mobile terminal can amplify as shown in (a) in Fig. 6 according to default amplification factor
The amplitude of target audio signal, so as to obtain the signal as shown in (b) in Fig. 6.Assuming that target audio signal is such as Fig. 6
In (c) shown in signal, mobile terminal can according to default amplification factor, amplify the target audio as shown in (c) in Fig. 6
The amplitude of signal, so as to obtain the signal as shown in (d) in Fig. 6.
The method of control motor vibrations provided in an embodiment of the present invention, due to can be according to default amplification factor, in time domain
On the amplitude of target audio signal is amplified, so can according to amplitude amplify target audio signal (i.e. driving signal)
The motor vibrations in mobile terminal are driven, so as to enhance the vibrating effect of motor.
Optionally, in conjunction with Fig. 2, as shown in fig. 7, above-mentioned steps 100 specifically can be by following in the embodiment of the present invention
Step 100a- step 100c is realized.
Step 100a, mobile terminal obtains destination sample frequency according to the frequency range of target audio signal.
Step 100b, mobile terminal samples the target audio signal according to the destination sample frequency, to obtain the target
The sample sequence of audio signal.
Step 100c, mobile terminal carries out operation to the sample sequence, to obtain the frequency spectrum of the target audio signal.
Optionally, mobile terminal obtains destination sample frequency according to the frequency range of sampling thheorem and target audio signal.
Optionally, in the embodiment of the present invention, above-mentioned operation can be discrete Fourier transform.Further, the present invention is real
It applies in example, which can be Fast Fourier Transform (FFT).It can specifically be determined according to actual use demand, this
Inventive embodiments are not construed as limiting.
Illustratively, Fig. 8 is a kind of process signal of frequency spectrum for obtaining target audio signal provided in an embodiment of the present invention
Figure.As shown in (a) in Fig. 8, it is assumed that the highest frequency of target audio signal is fc, then the available target of mobile terminal is adopted
Sample frequency is k*fc (k >=2), and is sampled according to the destination sample frequency to the target audio signal, to obtain as in Fig. 8
(b) sample sequence shown in.Then, mobile terminal can carry out Fast Fourier Transform (FFT) to the sample sequence, so as to
To the frequency spectrum as shown in (c) in Fig. 8.
The method of control motor vibrations provided in an embodiment of the present invention, since the feature of some signals is in time domain and unknown
It is aobvious, and feature is obvious on frequency domain, therefore after target audio signal is converted to frequency domain by time domain, it can be preferably right
Target audio signal is analyzed, such as can more accurately be identified the obvious sound of the spectrum signatures such as shot, explosive sound
Frequency signal, consequently facilitating the sound of motor cooperation mobile terminal output is shaken.
Optionally, in conjunction with Fig. 7, as shown in figure 9, above-mentioned steps 100c specifically can be by following in the embodiment of the present invention
Step 100c1 and step 100c2 realize.
Step 100c1, mobile terminal carries out the arrangement of code bit inverted order to sample sequence, to obtain inverted order sequence.
It is below x (n) with sample sequence, and code bit is to illustrate for 8 (i.e. 0≤n≤7).Described as follows
Shown in table 1, for a kind of sequence decimal system code bit provided in an embodiment of the present invention, sequence binary system code bit, inverted order binary system code bit
With the corresponding relationship of inverted order decimal system code bit.
Table 1
It is x (0) to sample sequence, x (1), x (2), x (3), x (4), x (5), x (6) and x (7) carry out code bit referring to table 1
After inverted order arrangement, successively available inverted order sequence x (0), x (4), x (2), x (6), x (1), x (5), x (3) and x (7).
Step 100c2, mobile terminal carries out Fast Fourier Transform (FFT) to the inverted order sequence, to obtain target audio signal
Frequency spectrum.
Illustratively, it is assumed that the frequency spectrum X (n) of x (n) target audio signal obtained after Fast Fourier Transform (FFT)
It indicates, then as shown in Figure 10, being carried out to inverted order sequence x (0), x (4), x (2), x (6), x (1), x (5), x (3) and x (7)
After Fast Fourier Transform (FFT), positive sequence sequence X (0), X (1), X (2), X (3), X (4), X (5), X (6) and X can be successively obtained
(7)。
It is provided in an embodiment of the present invention control motor vibrations method, by sample sequence carry out code bit inverted order arrangement and
Fast Fourier Transform (FFT), the frequency spectrum of the target audio signal of available permutation with positive order, consequently facilitating mobile terminal carries out frequency spectrum
Analysis.
As shown in figure 11, the embodiment of the present invention provides a kind of mobile terminal 1100.The mobile terminal may include obtaining mould
Block 1101, generation module 1102 and drive module 1103.Wherein, module 1101 is obtained, for obtaining the frequency of target audio signal
Spectrum, the target audio signal are the audio signal in the audio signal of mobile terminal output；Generation module 1102, for obtaining
In the case that at least one sampled point in the frequency spectrum that module 1101 obtains meets preset condition, according to target audio signal,
Generate driving signal；Drive module 1103, the driving signal for being generated using generation module 1102 are driven in mobile terminal
Motor vibrations.
Optionally, in the embodiment of the present invention, above-mentioned preset condition may include at least one following: the amplitude of sampled point
It is greater than or equal to second threshold more than or equal to the absolute value of first threshold and the amplitude change rate of sampled point.Wherein, one
The amplitude change rate of sampled point be the first difference and the second difference ratio, first difference be a sampled point amplitude and
The difference of the amplitude of first sampled point, second difference are the difference of the frequency of a sampled point and the frequency of first sampled point
Value, first sampled point are adopting for the frequency that and frequency adjacent with a sampled point is less than a sampled point on frequency domain
Sampling point.
Optionally, in the embodiment of the present invention, above-mentioned generation module 1102 is specifically used for sampling at least one of frequency spectrum
In the case that point meets preset condition, according to default amplification factor, the amplitude of amplification target audio signal, to obtain driving letter
Number.Wherein, the amplitude of the target audio signal is the current value or mesh of the voltage value of target audio signal, target audio signal
Mark the performance number of audio signal.
Optionally, in the embodiment of the present invention, above-mentioned acquisition module 1101, specifically for the frequency according to target audio signal
Range obtains destination sample frequency；And target audio signal is sampled according to the destination sample frequency, to obtain the target audio
The sample sequence of signal；And operation is carried out to the sample sequence, to obtain the frequency spectrum of the target audio signal.
Optionally, in the embodiment of the present invention, above-mentioned acquisition module 1101 is specifically used for carrying out code bit inverted order to sample sequence
Arrangement, to obtain inverted order sequence；And Fast Fourier Transform (FFT) is carried out to the inverted order sequence, to obtain the frequency of target audio signal
Spectrum.
Mobile terminal provided in an embodiment of the present invention can be realized mobile terminal in above method embodiment realize it is each
Process, to avoid repeating, which is not described herein again.
The embodiment of the present invention provides a kind of mobile terminal, since mobile terminal can be in the frequency spectrum of target audio signal
In the case that at least one sampled point meets preset condition, according to the target audio signal, the horse in driving mobile terminal is generated
Mobile terminal up to the driving signal of vibration, therefore in the embodiment of the present invention can provide the vibrational feedback of cooperation sound, thus
The result of broadcast of music, video and game etc. can be improved, and then the experience sense of user can be improved.
A kind of hardware structural diagram of Figure 12 mobile terminal of each embodiment to realize the present invention.As shown in figure 12,
The mobile terminal 200 includes but is not limited to: radio frequency unit 201, network module 202, audio output unit 203, input unit
204, sensor 205, display unit 206, user input unit 207, interface unit 208, memory 209, processor 210, with
And the equal components of power supply 211.It will be understood by those skilled in the art that mobile terminal structure shown in Figure 12 is not constituted to movement
The restriction of terminal, mobile terminal may include perhaps combining certain components or different than illustrating more or fewer components
Component layout.In embodiments of the present invention, mobile terminal includes but is not limited to mobile phone, tablet computer, laptop, palm electricity
Brain, vehicle mobile terminals, wearable device and pedometer etc..
Wherein, processor 210, for obtaining the frequency spectrum of target audio signal, which is that mobile terminal is defeated
The audio signal in audio signal out；And in the case that at least one sampled point in the spectrum meets preset condition, root
According to the target audio signal, driving signal is generated；And using the motor vibrations in driving signal driving mobile terminal.
The embodiment of the present invention provides a kind of mobile terminal, since mobile terminal can be in the frequency spectrum of target audio signal
In the case that at least one sampled point meets preset condition, according to the target audio signal, the horse in driving mobile terminal is generated
Mobile terminal up to the driving signal of vibration, therefore in the embodiment of the present invention can provide the vibrational feedback of cooperation sound, thus
The result of broadcast of music, video and game etc. can be improved, and then the experience sense of user can be improved.
It should be understood that the embodiment of the present invention in, radio frequency unit 201 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 210 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 201 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 201 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 202 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 203 can be received by radio frequency unit 201 or network module 202 or in memory 209
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 203 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 200 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 203 includes loudspeaker, buzzer and receiver etc..
Input unit 204 is for receiving audio or video signal.Input unit 204 may include graphics processor
(Graphics Processing Unit, GPU) 2041 and microphone 2042, graphics processor 2041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 206.Through graphics processor 2041, treated that picture frame can be deposited
Storage is sent in memory 209 (or other storage mediums) or via radio frequency unit 201 or network module 202.Mike
Wind 2042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 201 is converted in the case where telephone calling model.
Mobile terminal 200 further includes at least one sensor 205, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 2061, and proximity sensor can close when mobile terminal 200 is moved in one's ear
Display panel 2061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 205 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 206 is for showing information input by user or being supplied to the information of user.Display unit 206 can wrap
Display panel 2061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 2061.
User input unit 207 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 207 include touch panel 2071 and
Other input equipments 2072.Touch panel 2071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 2071 or in touch panel 2071
Neighbouring operation).Touch panel 2071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 210, receiving area
It manages the order that device 210 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 2071.In addition to touch panel 2071, user input unit 207 can also include other input equipments
2072.Specifically, other input equipments 2072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 2071 can be covered on display panel 2061, when touch panel 2071 is detected at it
On or near touch operation after, send processor 210 to determine the type of touch event, be followed by subsequent processing device 210 according to touching
The type for touching event provides corresponding visual output on display panel 2061.Although in Figure 12, touch panel 2071 and aobvious
Show that panel 2061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 2071 and display panel 2061 and that realizes mobile terminal output and input function.
Interface unit 208 is the interface that external device (ED) is connect with mobile terminal 200.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 208 can be used for receiving the input from external device (ED) and the input received be transferred to movement
One or more elements in terminal 200 can be used for transmitting data between mobile terminal 200 and external device (ED).
Memory 209 can be used for storing software program and various data.Memory 209 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 209 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 210 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 209, and calls and is stored in storage
Data in device 209 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 210 may include one or more processing units；Optionally, processor 210 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 210.
Mobile terminal 200 can also include the power supply 211 (such as battery) powered to all parts, optionally, power supply 211
Can be logically contiguous by power-supply management system and processor 210, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.In addition, mobile terminal 200 includes some unshowned functional modules.
Optionally, the embodiment of the present invention also provides a kind of mobile terminal, including processor 210 as shown in figure 12, storage
Device 209 is stored in the computer program that can be run on memory 209 and on processor 210, and the computer program is by processor
210 realize each process of above method embodiment when executing, and can reach identical technical effect, and which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, realizes each process of above method embodiment when which is executed by processor, and can reach identical
Technical effect, to avoid repeating, which is not described herein again.Wherein, computer readable storage medium, such as read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a mobile terminal (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute the method that each embodiment of the present invention describes.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (11)
1. a kind of method for controlling motor vibrations, is applied to mobile terminal, which is characterized in that the described method includes:
The frequency spectrum of target audio signal is obtained, the target audio signal is the sound in the audio signal of mobile terminal output
Frequency signal；
It is raw according to the target audio signal in the case that at least one sampled point in the frequency spectrum meets preset condition
At driving signal；
Motor vibrations in the mobile terminal are driven using the driving signal.
2. the method according to claim 1, wherein the preset condition includes at least one following: sampling
The absolute value that the amplitude of point is greater than or equal to the amplitude change rate of first threshold and sampled point is greater than or equal to second threshold；
Wherein, the amplitude change rate of a sampled point is the ratio of the first difference and the second difference, and first difference is described
The difference of the amplitude of the amplitude of one sampled point and the first sampled point, second difference be one sampled point frequency with
The difference of the frequency of first sampled point, first sampled point are adjacent with one sampled point on frequency domain and frequency
Rate is less than the sampled point of the frequency of one sampled point.
3. the method according to claim 1, wherein described according to the target audio signal, generation driving letter
Number, comprising:
According to default amplification factor, amplify the amplitude of the target audio signal, to obtain the driving signal；
Wherein, the amplitude of the target audio signal is the voltage value of the target audio signal, the target audio signal
The performance number of current value or the target audio signal.
4. according to the method in any one of claims 1 to 3, which is characterized in that the frequency for obtaining target audio signal
Spectrum, comprising:
According to the frequency range of the target audio signal, destination sample frequency is obtained；
The target audio signal is sampled according to the destination sample frequency, to obtain the sampling sequence of the target audio signal
Column；
Operation is carried out to the sample sequence, to obtain the frequency spectrum of the target audio signal.
5. according to the method described in claim 4, it is characterized in that, described carry out operation to the sample sequence, to obtain
State the frequency spectrum of target audio signal, comprising:
The arrangement of code bit inverted order is carried out to the sample sequence, to obtain inverted order sequence；
Fast Fourier Transform (FFT) is carried out to the inverted order sequence, to obtain the frequency spectrum of the target audio signal.
6. a kind of mobile terminal, which is characterized in that the mobile terminal includes obtaining module, generation module and drive module；
The acquisition module, for obtaining the frequency spectrum of target audio signal, the target audio signal is that the mobile terminal is defeated
The audio signal in audio signal out；
The generation module meets default item at least one sampled point in the frequency spectrum that the acquisition module obtains
In the case where part, according to the target audio signal, driving signal is generated；
The drive module, the driving signal for being generated using the generation module drive the horse in the mobile terminal
Up to vibration.
7. mobile terminal according to claim 6, which is characterized in that the preset condition includes at least one following:
The absolute value that the amplitude of sampled point is greater than or equal to the amplitude change rate of first threshold and sampled point is greater than or equal to the second threshold
Value；
Wherein, the amplitude change rate of a sampled point is the ratio of the first difference and the second difference, and first difference is described
The difference of the amplitude of the amplitude of one sampled point and the first sampled point, second difference be one sampled point frequency with
The difference of the frequency of first sampled point, first sampled point are adjacent with one sampled point on frequency domain and frequency
Rate is less than the sampled point of the frequency of one sampled point.
8. mobile terminal according to claim 6, which is characterized in that
The generation module is pressed in the case where meeting preset condition specifically at least one sampled point in the frequency spectrum
According to default amplification factor, amplify the amplitude of the target audio signal, to obtain the driving signal；
Wherein, the amplitude of the target audio signal is the voltage value of the target audio signal, the target audio signal
The performance number of current value or the target audio signal.
9. the mobile terminal according to any one of claim 6 to 8, which is characterized in that
The acquisition module obtains destination sample frequency specifically for the frequency range according to the target audio signal；And it presses
The target audio signal is sampled according to the destination sample frequency, to obtain the sample sequence of the target audio signal；With
And operation is carried out to the sample sequence, to obtain the frequency spectrum of the target audio signal.
10. mobile terminal according to claim 9, which is characterized in that
The acquisition module is specifically used for carrying out the arrangement of code bit inverted order to the sample sequence, to obtain inverted order sequence；And it is right
The inverted order sequence carries out Fast Fourier Transform (FFT), to obtain the frequency spectrum of the target audio signal.
11. a kind of mobile terminal, which is characterized in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 1 to 5 is realized when the computer program is executed by the processor
Any one of described in control motor vibrations method the step of.
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| CN201811115595.XA CN109471524A (en) | 2018-09-25 | 2018-09-25 | A kind of method and mobile terminal controlling motor vibrations |
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| CN201811115595.XA CN109471524A (en) | 2018-09-25 | 2018-09-25 | A kind of method and mobile terminal controlling motor vibrations |
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