CN106649586A - Playing method of audio files and device of audio files - Google Patents
Playing method of audio files and device of audio files Download PDFInfo
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- CN106649586A CN106649586A CN201611018899.5A CN201611018899A CN106649586A CN 106649586 A CN106649586 A CN 106649586A CN 201611018899 A CN201611018899 A CN 201611018899A CN 106649586 A CN106649586 A CN 106649586A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/686—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, title or artist information, time, location or usage information, user ratings
Abstract
The invention discloses a playing method of audio files and a device of audio files. The playing method of the audio files and the device of the audio files comprise achieving the audio files which are waiting to be played, extracting characteristic information collections of the audio files, choosing the corresponding characteristic information from the characteristic information collections as target characteristic information through presetting algorithm, determining background images of the audio files which are dynamic images of the audio files, according to the target characteristic information, and controlling dynamic display of the background images in background windows according to the target characteristic information. The playing method of the audio files and the device of the audio files have the advantages of choosing different dynamic images as dynamic display backgrounds according to different songs, which is not only achieved simply, but also make backgrounds switch more flexibly and displaying more abundant scenes, which greatly improves display effects.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of player method and device of audio file.
Background technology
In recent years, with the continuous development of the intelligent terminals such as mobile phone, panel computer, termination function is also increasingly perfect, terminal
Become increasingly abundant using being even more.User can pass through terminal downloads application, watch video, listens to music, appreciates picture or read book
Nationality etc..
At present, it has been one of important amusement function of intelligent terminal to play music, during user can be by opening a terminal
Music player software realizes the broadcasting of music.When playing, song is preferably followed to sing for ease of user, terminal can be provided
Lyrics display function.Generally, the background image of the lyrics is static picture, such as completely black Background, singer's picture or its
His picture etc., so, user not only can follow the lyrics to sing, and can also appreciate picture, and aesthetic property has obtained certain raising.But
It is, because this display background is static picture, it is impossible to be changed according to the regular movements of song, cause display mode excessively single
Adjust, display effect is not good.
The content of the invention
It is an object of the invention to provide the player method and device of a kind of audio file, are being played with solving existing terminal
Display background is excessively dull when song, the not good technical problem of display effect.
To solve above-mentioned technical problem, the embodiment of the present invention provides technical scheme below：
A kind of player method of audio file, it includes：
Audio file to be played is obtained, and extracts the characteristic information set of the audio file；
Corresponding characteristic information is selected to be used as target signature information from the characteristic information set by Predistribution Algorithm；
The background image of the audio file is determined according to the target signature information, the background image is Dynamic Graph
Picture；
During the audio file is played, the background image is controlled in background according to the target signature information
Dynamic Announce in window.
To solve above-mentioned technical problem, the embodiment of the present invention also provides technical scheme below：
A kind of playing device of audio file, it includes：
Acquisition module, for obtaining audio file to be played, and extracts the characteristic information collection of the audio file；
Selecting module, selects corresponding characteristic information to be used as target for concentrating from the characteristic information by Predistribution Algorithm
Characteristic information；
Determining module, for determining the background image of the audio file, the background according to the target signature information
Image is dynamic image；
Control module, for during the audio file is played, according to target signature information control
Dynamic Announce of the background image in backdrop window.
The player method and device of audio file of the present invention, by obtaining audio file to be played, and extracts
The characteristic information set of the audio file, afterwards, selects corresponding feature to believe by Predistribution Algorithm from this feature information aggregate
Breath determines the background image of the audio file as target signature information according to the target signature information, and the background image is
Dynamic image, afterwards, during the audio file is played, the background image is controlled in background according to the target signature information
Dynamic Announce in window, so as to select different dynamic images as dynamic display background according to different song, no
Only realize simply, and the switching of background can be caused more flexible, and show that scene is more enriched, substantially improve display
Effect.
Description of the drawings
Below in conjunction with the accompanying drawings, described in detail by the specific embodiment to the present invention, technical scheme will be made
And other beneficial effects are apparent.
Fig. 1 a are the schematic diagram of a scenario of the Play System of audio file provided in an embodiment of the present invention；
Fig. 1 b are the schematic flow sheet of the player method of audio file provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the player method of audio file provided in an embodiment of the present invention；
Fig. 3 a are the structural representation of the playing device of audio file provided in an embodiment of the present invention；
Fig. 3 b are another structural representation of the playing device of audio file provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the network equipment provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, the every other enforcement that those skilled in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of player method of audio file, apparatus and system.
Fig. 1 a are referred to, the Play System of the audio file can include any one audio frequency that the embodiment of the present invention is provided
The playing device of file, the playing device of the audio file specifically can be integrated in the network equipments such as server or terminal.
Wherein, the network equipment can obtain audio file to be played, and extract the characteristic information set of the audio file,
Then, corresponding characteristic information is selected to be used as target signature information from this feature information aggregate by Predistribution Algorithm, and according to
The target signature information determines the background image of the audio file, and the background image is dynamic image, afterwards, is playing the audio frequency
During file, Dynamic Announce of the background image in backdrop window is controlled according to the target signature information.
Wherein, the audio file can include song or melody etc., and the audio frequency text is mainly included in this feature information aggregate
The acoustic feature of part, such as tone color, pitch and rhythm etc..The Predistribution Algorithm can according to the actual requirements depending on, it mainly includes
Feature selecting algorithm.The backdrop window is the window for being used for display background image in audio file broadcast interface.The Dynamic Announce
Refer mainly to dynamic change speed of the dynamic image during display.Such as, when user prepares to play certain stream by the network equipment
Make merry, for example when " once fine ", the network equipment can extract the characteristic information set of the song, and therefrom choose target signature
Information, afterwards, determines that the background image of the pop is the sea under dusk, white clouds in the image according to target signature information
The flowing velocity of speed of waving and seawater is determined by target signature information.
To be described in detail respectively below.It should be noted that, the sequence number of following examples is preferentially suitable not as embodiment
The restriction of sequence.
First embodiment
The present embodiment is described the angle of the playing device from audio file, and the playing device of the audio file can be with
In being integrated in server or terminal.
Fig. 1 b are referred to, Fig. 1 b specifically describe the player method of the audio file of first embodiment of the invention offer, its
Can include：
S101, acquisition audio file to be played, and extract the characteristic information set of the audio file.
In the present embodiment, the audio file can include song or melody etc..It is main in this feature information aggregate to include being somebody's turn to do
The acoustic feature of audio file, such as spectral centroid value, decay cut-off frequency, linear predictor coefficient, most strong beat dynamics etc., should
Characteristic information set specifically can carry out extraction and obtain by feature extraction algorithm to the frame feature and section feature of audio file.
S102, selected from this feature information aggregate by Predistribution Algorithm corresponding characteristic information be used as target signature letter
Breath.
In the present embodiment, the target signature information is mainly used in determining the musical genre of audio file that it can include section
Play, tone color and pitch this three category information, wherein, rhythm refers to that music rhythm carries out the length of middle scale note or syllable and strong
Weak etc., tone color refers to the tonequality of musical instrument or voice, and sound that general different sounding body sends has different timbres, and pitch is referred to respectively
The sound of different height, the i.e. height of sound are planted, it depends primarily on the size of the height with loudness of frequency.Due to this feature information
Also include the very low feature of or correlation unrelated with acoustic feature in set, therefore it is determined that needing to weed out this during musical genre
A little features, namely need that qualified feature is selected from characteristic information set by Predistribution Algorithm, wherein, the Predistribution Algorithm
Can include feature based contribution degree feature selecting algorithm (Contribution Based Feature Selection,
CBFS), it is the contribution degree by increasing and decreasing the method for feature to calculate each feature, and computing formula can be as follows：
{fi|C(i)>ξand fi∈F}；
Wherein, i and j represent dimension, and F representative feature information aggregates, fi represents i-th dimension feature, and C (i) is characterized fi's
Contribution degree, R (i, j) represent using i-th dimension to jth dimensional feature as target signature information carry out musical genre classification when it is resulting
Classification accuracy, the classification accuracy can be according to SVM (support vector machine, SVMs) grader institute
The classification confusion matrix of generation is calculated.By above-mentioned formula, all contribution degrees C can be chosen from characteristic information set
I used as target signature information, wherein ξ is usually 0 to the feature of () more than ξ.
S103, the background image that the audio file is determined according to the target signature information, the background image is dynamic image.
For example, above-mentioned steps S103 specifically can include：
Class label according to belonging to the target signature information determines the audio file；
Concentrated from default dynamic image according to such distinguishing label and select corresponding dynamic image；
The dynamic image of selection is defined as into the background image of the audio file.
In the present embodiment, such distinguishing label is used to indicate musical genre, such as rock and roll, classic or prevalence etc..This is moved
State image set can preset according to the actual requirements, such as can be user according to hobby sets itself, or set
Set for producer when dispatching from the factory.In actual application, need to pre-build between Dynamic Graph image set and class label
Incidence relation, so as to subsequently by class label and incidence relation corresponding dynamic image be selected to be used as background image.
The determination method of this background image can determine different dynamic images according to different types of songs, it is to avoid background image mistake
In dullness, flexibility is high.
It should be noted that only when the playback equipment of the audio file is not networked or local data base in do not deposit
When storing up the relevant information of the audio file, just need to carry out calculating analysis by Predistribution Algorithm, to obtain class label, when can be with
By the essential information of audio file, such as the information such as audio file name, singer's title, ci and qu author is from local data base
In directly determine class label when, above-mentioned steps S102 can be performed.
S104, play the audio file during, the background image is controlled in background according to the target signature information
Dynamic Announce in window.
In the present embodiment, the backdrop window is the window for being used for display background image in audio file broadcast interface.This is moved
State shows the dynamic change speed for referring mainly to dynamic image during display, if being the indigo plant that white clouds wave than dynamic image
My god, then dynamic change speed can refer to the speed that white clouds wave.
To increase the display effect of dynamic image, Consumer's Experience is improved, the dynamic change speed can be according to audio file
Broadcasting rhythm and change, that is, above-mentioned steps S104 specifically can include：
Cadence information is extracted from the target signature information；
The dynamic change speed that the background image is shown in backdrop window is controlled according to the cadence information.
For example, above-mentioned steps " control the dynamic change that the background image is shown in backdrop window according to the cadence information
Speed " specifically can include：
The tempo variation frequency of the audio file is determined according to the cadence information；
The dynamic change speed of the background image is calculated according to the tempo variation frequency；
According to the dynamic change speed background image is shown in backdrop window.
In the present embodiment, the tempo variation frequency refers mainly to the speed degree of tempo variation, and it can be according to each moment
Cadence information be calculated.The computational methods of the dynamic change speed can according to the actual requirements depending on, such as the dynamic becomes
Changing speed can be equal to tempo variation frequency, it is also possible to tempo variation frequency into multiple proportion, etc..Specifically, audio frequency is worked as
In backdrop window during display background image, the dynamic change speed of the background image can follow audio frequency to the playback equipment of file
The broadcasting rhythm of file and change, such as, when tempo variation frequency is big, dynamic change speed is fast, tempo variation frequency hour, moves
State pace of change is slow.
Additionally, during display background image, the audio file broadcast interface can also be included for showing the lyrics
Lyrics window, now, the background image is the background image of the lyrics.For avoid the background image the Color influences lyrics it is aobvious
Show effect, cause user not see the lyrics, after above-mentioned steps S103, the player method of the audio file can also include：
The lyrics of the audio file are obtained, and extracts the collection of color values of the background image；
The target colour of the lyrics is determined according to the collection of color values；
The lyrics are drawn on by lyrics window with the target colour.
In the present embodiment, the lyrics refer generally to coordinate music, are easy to the sentence hummed.The position of the lyrics window can be with root
Depending on according to demand, such as can be suspended in centre or lower section of backdrop window etc..Colour namely face in the collection of color values
Colour, each color value refers to the corresponding numerical value in different color modes of this kind of color, and wherein the color mode can
So that including RGB (red, green, blue) patterns or HSB (form and aspect, saturation degree, brightness) pattern etc., such as redness is at RGB (RGB)
In color mode corresponding numerical value be (255,0,0), in HSB patterns corresponding numerical value be (359,67,46).
Specifically, the method for collection of color values being extracted from background image can have various, relatively common ways to be：By one
Pictures are divided equally into n equal portions, then take the colour of each equal portions core, constitute collection of color values.It should be noted that due to
The background image is dynamic image, and its dynamic change part may not show in the same time different colors, for the convenience of the user can
See the lyrics clearly, the lyrics window can be suspended in the position that static part is located in the background image, at this point it is possible to Background
The image of the lyrics window and peripheral part carries out colour extraction as in, without the need for carrying out colour extraction to whole image.
Further, the determination method of the target colour can according to the actual requirements depending on, for example, above-mentioned steps " according to
The collection of color values determines the target colour of the lyrics " specifically can include：
The frequency of occurrences of each colour in the collection of color values is counted, and obtains frequency of occurrences highest colour；
The colour of opposite color is calculated according to frequency of occurrences highest colour；
The colour of the opposite color is defined as into the target colour of the lyrics.
In the present embodiment, the opposite color of certain color refers to the composition not included in this kind of color, sometimes referred to as complementary colours, color
It is orange etc. that new color in ring obtained by any two mixture of colours and another primary colors complementary color each other, such as red complementary color are green, blue complementary color.Should
The computational methods of the colour of opposite color can according to the actual requirements depending on, such as in RGB patterns, the colour of opposite color is to use
255 each colour for deducting native color, for example the color value of certain color is R=98, G=80, B=161, the colour of its opposite color
It is：R=255-98=157, G=255-80=175, B=255-161=94.By taking the colour of opposite color as the lyrics
Target colour shown, can avoid lyrics color and color of image due to close or identical and cause the problem not seen,
Ensure the definition that the lyrics show.
From the foregoing, the player method of the audio file of the present embodiment offer, by obtaining audio file to be played,
And the characteristic information set of the audio file is extracted, afterwards, select corresponding from this feature information aggregate by Predistribution Algorithm
Characteristic information determines the background image of the audio file as target signature information according to the target signature information, the background
Image is dynamic image, afterwards, during the audio file is played, according to the target signature information background image is controlled
Dynamic Announce in backdrop window, so as to select different dynamic images to show the back of the body as dynamic according to different songs
Scape, not only realizes simply, and the switching of background can be caused more flexible, and shows that scene is more enriched, and substantially improves
Display effect.
Second embodiment
Method according to described by embodiment one, is below described in further detail citing.
In the present embodiment, will be integrated in the terminal with the playing device of the audio file, the audio file is for song
Example is described in detail.
As shown in Fig. 2 a kind of player method of audio file, idiographic flow can be as follows：
S201, terminal obtain song to be played, and extract the characteristic information set of the song.
For example, terminal can carry out feature extraction by feature extraction algorithm from the frame feature and section feature of song, obtain
To characteristic information set, in this feature information aggregate can include spectral centroid value, decay cut-off frequency, linear predictor coefficient,
The acoustic features such as most strong beat dynamics.
S202, terminal select corresponding characteristic information to be used as target signature by Predistribution Algorithm from this feature information aggregate
Information.
For example, terminal can pass through feature selecting algorithm (the Contribution Based of feature based contribution degree
Feature Selection, CBFS) selecting qualified characteristic information as target signature information, its computing formula can
With as follows：
{fi|C(i)>ξand fi∈F}；
Wherein, i and j represent dimension, and F representative feature information aggregates, fi represents i-th dimension feature, and C (i) is characterized fi's
Contribution degree, R (i, j) represent using i-th dimension to jth dimensional feature as target signature information carry out musical genre classification when it is resulting
Classification accuracy, the classification accuracy is given birth to according to SVM (support vector machine, SVMs) grader
Into classification confusion matrix calculate come.By above-mentioned formula, all contribution degrees C can be chosen from characteristic information set
I used as target signature information, wherein ξ is usually 0 to the feature of () more than ξ.
The class label of S203, terminal according to belonging to the target signature information determines the song.
For example, terminal first can be divided the target signature information, be roughly divided into rhythm, tone color and pitch this three class
Information, then determines the musical genre (namely class label) of song according to rhythm, tone color and pitch this three category information, such as shake
Rolling, classic or prevalence etc..
S204, terminal are concentrated from default dynamic image according to such distinguishing label and select corresponding dynamic image, and will choosing
The dynamic image selected is defined as the background image of the song.
For example, the incidence relation between Dynamic Graph image set and class label can be pre-build, so as to subsequently pass through
Class label and incidence relation select corresponding dynamic image as background image, such as when such distinguishing label is classical music,
Corresponding dynamic image is that white clouds wave on blue sky, and when such distinguishing label is rock music, corresponding dynamic image is raging combustion
The raging fire of burning, when such distinguishing label is pop, corresponding dynamic image is river flowing water, etc..
The cadence information of S205, terminal in the target signature information determines the tempo variation frequency of the audio file,
And the dynamic change speed of the background image is calculated according to the tempo variation frequency.
For example, terminal can calculate the tempo variation frequency of the audio file according to the cadence information at each moment, and this is moved
State pace of change can be equal to the tempo variation frequency.
S206, play the song during, terminal according to the dynamic change speed in backdrop window to the background
Image is shown.
For example, the background image can be that white clouds wave on blue sky, now, if the tempo variation frequency of current song compared with
Greatly, then the speed waved of white clouds for showing in backdrop window can than very fast, if the tempo variation frequency of current song is less,
The speed that the white clouds shown in backdrop window wave can be relatively slower.
S207, terminal obtain the lyrics of the song, and extract the collection of color values of the background image.
For example, lyrics window in background image and the corresponding image of periphery can be divided into 16 equal portions by terminal, and be taken every
The colour of one equal portions core, obtains the collection of color values.
S208, terminal count the frequency of occurrences of each colour in the collection of color values, and obtain frequency of occurrences highest colour.
For example, if colour blue in the collection of color values is occurred in that 10 times, the colour of white is occurred in that 4 times, red color
Value occurs in that then frequency of occurrences highest colour is blue colour 2 times.
S209, terminal calculate the colour of opposite color according to frequency of occurrences highest colour, and the colour of the opposite color is true
It is set to the target colour of the lyrics.
For example, when frequency of occurrences highest colour is blue colour, namely rgb value for (0,0, when 255), the opposite color
Colour can be R=255-0=255, G=255-0=255, B=255-255=0, namely opposite color is for orange, now,
(255,255,0) be the lyrics target colour.
S210, play the song during, the lyrics are drawn on lyrics window by terminal with the target colour.
For example, drawing in the lyrics window of the broadcast interface has the orange lyrics.
It should be noted that above-mentioned steps S205-S206 and S207-S210 are not prescribed by execution sequence, it can be simultaneously
Carry out, it is also possible to successively carry out.
From the foregoing, the player method of the audio file of the present embodiment offer, wherein terminal are to be played by obtaining
Song, and the characteristic information set of the song is extracted, then, select corresponding from this feature information aggregate by Predistribution Algorithm
Characteristic information is used as target signature information, and the class label according to belonging to the target signature information determines the song, afterwards, root
Concentrate from default dynamic image according to such distinguishing label and select corresponding dynamic image, and the dynamic image of selection is defined as into this
The background image of song, can select different dynamic images as background image according to different songs, realize simple, flexibility
Height, then, cadence information of the terminal in the target signature information determines the tempo variation frequency of the audio file, and according to
The tempo variation frequency calculates the dynamic change speed of the background image, during the song is played, becomes according to the dynamic
Change speed to show the background image in backdrop window, song rhythm can be followed to control the dynamic change of the background image
Speed, greatly improves Consumer's Experience, enriches display scene, meanwhile, by obtaining the lyrics of the song, and extract the background
The collection of color values of image, counts the frequency of occurrences of each colour in the collection of color values, and obtains frequency of occurrences highest colour, root
The colour of opposite color is calculated according to frequency of occurrences highest colour, and the colour of the opposite color is defined as into the aim colour of the lyrics
Value, so that during the song is played, the lyrics are drawn on into lyrics window with the target colour, it is to avoid lyrics face
Color and color of image cause the problem not seen because close or identical, it is ensured that the definition that the lyrics show.
3rd embodiment
On the basis of embodiment one and the methods described of embodiment two, the present embodiment is by from the playing device of audio file
Angle is further described below, and refers to Fig. 3 a, and Fig. 3 a specifically describe the audio file of third embodiment of the invention offer
Playing device, it can include：Acquisition module 10, selecting module 20, determining module 30 and control module 40, wherein：
(1) acquisition module 10
Acquisition module 10, for obtaining audio file to be played, and extracts the characteristic information collection of the audio file.
In the present embodiment, the audio file can include song or melody etc..It is main in this feature information aggregate to include being somebody's turn to do
The acoustic feature of audio file, such as spectral centroid value, decay cut-off frequency, linear predictor coefficient, most strong beat dynamics etc., obtain
Delivery block 10 can carry out feature extraction operation by feature extraction algorithm to the frame feature and section feature of audio file, obtain spy
Levy information aggregate.
(2) selecting module 20
Selecting module 20, selects corresponding characteristic information to be used as target for concentrating from this feature information by Predistribution Algorithm
Characteristic information.
In the present embodiment, the target signature information is mainly used in determining the musical genre of audio file that it can include section
Play, tone color and pitch this three category information, wherein, rhythm refers to that music rhythm carries out the length of middle scale note or syllable and strong
Weak etc., tone color refers to the tonequality of musical instrument or voice, and sound that general different sounding body sends has different timbres, and pitch is referred to respectively
The sound of different height, the i.e. height of sound are planted, it depends primarily on the size of the height with loudness of frequency.Due to this feature information
Also include the very low feature of or correlation unrelated with acoustic feature in set, therefore it is determined that needing to weed out this during musical genre
Features, namely selecting module 20 a bit need that qualified feature is selected from characteristic information set by Predistribution Algorithm, wherein,
The Predistribution Algorithm can include feature selecting algorithm (the Contribution Based Feature of feature based contribution degree
Selection, CBFS), it is that the contribution degree of each feature is calculated by increasing and decreasing the method for feature, and computing formula can be as
Under：
{fi|C(i)>ξand fi∈F}；
Wherein, i and j represent dimension, and F representative feature information aggregates, fi represents i-th dimension feature, and C (i) is characterized fi's
Contribution degree, R (i, j) represent using i-th dimension to jth dimensional feature as target signature information carry out musical genre classification when it is resulting
Classification accuracy, the classification accuracy can be according to SVM (support vector machine, SVMs) grader institute
The classification confusion matrix of generation is calculated.By above-mentioned formula, selecting module 20 can choose institute from characteristic information set
Used as target signature information, wherein ξ is usually 0 to feature of the degree of contributing C (i) more than ξ.
(3) determining module 30
Determining module 30, for determining the background image of the audio file according to the target signature information, the background image
For dynamic image.
For example, the determining module 30 specifically can be used for：
Class label according to belonging to the target signature information determines the audio file；
Concentrated from default dynamic image according to such distinguishing label and select corresponding dynamic image；
The dynamic image of selection is defined as into the background image of the audio file.
In the present embodiment, such distinguishing label is used to indicate musical genre, such as rock and roll, classic or prevalence etc..This is moved
State image set can preset according to the actual requirements, such as can be user according to hobby sets itself, or set
Set for producer when dispatching from the factory.In actual application, need to pre-build between Dynamic Graph image set and class label
Incidence relation, so as to subsequently by class label and incidence relation corresponding dynamic image be selected to be used as background image.
The determination method of this background image can determine different dynamic images according to different types of songs, it is to avoid background image mistake
In dullness, flexibility is high.
It should be noted that only when the playback equipment of the audio file is not networked or local data base in do not deposit
When storing up the relevant information of the audio file, just need to carry out calculating analysis by Predistribution Algorithm, to obtain class label, when can be with
By the essential information of audio file, such as the information such as audio file name, singer's title, ci and qu author is from local data base
In directly determine class label when, calculating analysis can be carried out.
(4) control module 40
Control module 40, for during the audio file is played, according to the target signature information background being controlled
Dynamic Announce of the image in backdrop window.
In the present embodiment, the backdrop window is the window for being used for display background image in audio file broadcast interface.This is moved
State shows the dynamic change speed for referring mainly to dynamic image during display, if being the indigo plant that white clouds wave than dynamic image
My god, then dynamic change speed can refer to the speed that white clouds wave.
To increase the display effect of dynamic image, Consumer's Experience is improved, the dynamic change speed can be according to audio file
Broadcasting rhythm and change, that is, the control module 40 specifically can include：
Extraction unit, for extracting cadence information from the target signature information；
Control unit, for controlling the dynamic change that the background image is shown in backdrop window according to the cadence information
Change speed.
For example, above-mentioned control unit specifically can be used for：
The tempo variation frequency of the audio file is determined according to the cadence information；
The dynamic change speed of the background image is calculated according to the tempo variation frequency；
According to the dynamic change speed background image is shown in backdrop window.
In the present embodiment, the tempo variation frequency refers mainly to the speed degree of tempo variation, and it can be according to each moment
Cadence information be calculated.The computational methods of the dynamic change speed can according to the actual requirements depending on, such as the dynamic becomes
Changing speed can be equal to tempo variation frequency, it is also possible to tempo variation frequency into multiple proportion, etc..Specifically, audio frequency is worked as
The playback equipment of file in backdrop window during display background image, control unit can follow the broadcasting rhythm of audio file and
Change the dynamic change speed of the background image, such as, when tempo variation frequency is big, dynamic change speed is fast, tempo variation frequency
Rate hour, dynamic change speed is slow..
Additionally, during control unit display background image, the audio file broadcast interface can also include for
The lyrics window of the lyrics is shown, now, the background image is the background image of the lyrics.Such as Fig. 3 b, to avoid the background image
The display effect of the Color influences lyrics, causes user not see the lyrics, and the playing device of the audio file can also include drawing
Module 50, the drafting module 50 specifically can include：
Acquiring unit, for the determining module according to the target signature information determine the audio file background image it
Afterwards, the lyrics of the audio file are obtained, and extracts the collection of color values of the background image；
Determining unit, for determining the target colour of the lyrics according to the collection of color values；
Drawing unit, for the lyrics to be drawn on into lyrics window with the target colour.
For example, the determining unit specifically can be used for：
The frequency of occurrences of each colour in the collection of color values is counted, and obtains frequency of occurrences highest colour；
The colour of opposite color is calculated according to frequency of occurrences highest colour；
The colour of the opposite color is defined as into the target colour of the lyrics.
In the present embodiment, the lyrics refer generally to coordinate music, are easy to the sentence hummed.Colour in the collection of color values namely
Color value, each color value refers to the corresponding numerical value in different color modes of this kind of color, the wherein color mode
RGB (red, green, blue) patterns or HSB (form and aspect, saturation degree, brightness) pattern etc. can be included, such as it is red (red green in RGB
It is blue) corresponding numerical value in color mode be (255,0,0), in HSB patterns corresponding numerical value be (359,67,46).
Specifically, the method for collection of color values being extracted from background image can have various, relatively common ways to be：By one
Pictures are divided equally into n equal portions, then take the colour of each equal portions core, constitute collection of color values.It should be noted that due to
The background image is dynamic image, and its dynamic change part may not show in the same time different colors, for the convenience of the user can
See the lyrics clearly, the lyrics window can be suspended in the position that static part is located in the background image, at this point it is possible to Background
The image of the lyrics window and peripheral part carries out colour extraction as in, without the need for carrying out colour extraction to whole image.
Further, the determination method of the target colour can according to the actual requirements depending on, for example, above-mentioned determining unit tool
Body can be used for：
The frequency of occurrences of each colour in the collection of color values is counted, and obtains frequency of occurrences highest colour；
The colour of opposite color is calculated according to frequency of occurrences highest colour；
The colour of the opposite color is defined as into the target colour of the lyrics.
In the present embodiment, the opposite color of certain color refers to the composition not included in this kind of color, sometimes referred to as complementary colours, color
It is orange etc. that new color in ring obtained by any two mixture of colours and another primary colors complementary color each other, such as red complementary color are green, blue complementary color.Should
The computational methods of the colour of opposite color can according to the actual requirements depending on, such as in RGB patterns, the colour of opposite color is to use
255 each colour for deducting native color, for example the color value of certain color is R=98, G=80, B=161, the colour of its opposite color
It is：R=255-98=157, G=255-80=175, B=255-161=94.By taking the colour of opposite color as the lyrics
Target colour shown, can avoid lyrics color and color of image due to close or identical and cause the problem not seen,
Ensure the definition that the lyrics show.
When being embodied as, above unit can be realized as independent entity, it is also possible to be combined, and be made
Realize for same or several entities, being embodied as of above unit can be found in embodiment of the method above, and here is not
Repeat again.
From the foregoing, the playing device of the audio file of the present embodiment offer, obtains to be played by acquisition module 10
Audio file, and extract the characteristic information set of the audio file, afterwards, selecting module 20 is by Predistribution Algorithm from this feature
Select corresponding characteristic information as target signature information in information aggregate, determining module 30 determines according to the target signature information
The background image of the audio file, the background image is dynamic image, afterwards, during the audio file is played, control
Module 40 controls Dynamic Announce of the background image in backdrop window according to the target signature information, so as to according to different
Song selects different dynamic images as dynamic display background, not only realizes simply, and can cause the switching of background
It is more flexible, and show that scene is more enriched, substantially improve display effect.
Fourth embodiment
Accordingly, the embodiment of the present invention also provides a kind of Play System of audio file, including the embodiment of the present invention is carried
For any one audio file playing device, the playing device of the audio file specifically can be found in embodiment three.
Wherein, the playing device of the audio file specifically can be integrated in the network equipments such as server or terminal, for example,
Can be as follows：
The network equipment, for obtaining audio file to be played, and extracts the characteristic information set of the audio file；Pass through
Predistribution Algorithm selects corresponding characteristic information as target signature information from this feature information aggregate；According to the target signature letter
Breath determines the background image of the audio file, and the background image is dynamic image；During the audio file is played, according to
The target signature information controls Dynamic Announce of the background image in backdrop window.
More than each equipment be embodied as can be found in embodiment above, will not be described here.
Because the Play System of the audio file can include any one audio file that the embodiment of the present invention is provided
Playing device, it is thereby achieved that achieved by the playing device of any one audio file that provided of the embodiment of the present invention
Beneficial effect, refers to embodiment above, will not be described here.
5th embodiment
Accordingly, the embodiment of the present invention also provides a kind of network equipment, as shown in figure 4, it illustrates the embodiment of the present invention
The structural representation of the involved network equipment, specifically：
The network equipment can include one or more than one processing core processor 601, one or more
Memory 602, radio frequency (Radio Frequency, the RF) circuit 603 of computer-readable recording medium, power supply 604, input are single
First 605 and display unit 606 etc. part.It will be understood by those skilled in the art that the network equipment infrastructure illustrated in Fig. 4 is simultaneously
The restriction to the network equipment is not constituted, part more more or less of than diagram can be included, or combine some parts, or not
Same part arrangement.Wherein：
Processor 601 is the control centre of the network equipment, using various interfaces and connection whole network equipment
Various pieces, by operation or perform and are stored in software program and/or module in memory 602, and call and be stored in
Data in reservoir 602, perform the various functions and processing data of the network equipment, so as to carry out integral monitoring to the network equipment.
Optionally, processor 601 may include one or more processing cores；Preferably, processor 601 can integrated application processor and tune
Demodulation processor processed, wherein, application processor mainly processes operating system, user interface and application program etc., and modulatedemodulate is mediated
Reason device mainly processes radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 601
In.
Memory 602 can be used to store software program and module, and processor 601 is stored in memory 602 by operation
Software program and module, so as to perform various function application and data processing.Memory 602 can mainly include storage journey
Sequence area and storage data field, wherein, the application program (ratio that storing program area can be needed for storage program area, at least one function
Such as sound-playing function, image player function) etc.；Storage data field can be stored and use created number according to the network equipment
According to etc..Additionally, memory 602 can include high-speed random access memory, nonvolatile memory can also be included, for example extremely
Few disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memory 602 can also be wrapped
Memory Controller is included, to provide access of the processor 601 to memory 602.
During RF circuits 603 can be used to receive and send messages, the reception and transmission of signal, especially, by the descending letter of base station
After breath is received, transfer to one or more than one processor 601 is processed；In addition, up data is activation will be related to base station.It is logical
Often, RF circuits 603 include but is not limited to antenna, at least one amplifier, tuner, one or more oscillators, user identity
Module (SIM) card, transceiver, coupler, low-noise amplifier (LNA, Low Noise Amplifier), duplexer etc..This
Outward, RF circuits 603 can also be communicated by radio communication with network and other equipment.The radio communication can be using arbitrary logical
Beacon standard or agreement, including but not limited to global system for mobile communications (GSM, Global System of Mobile
Communication), general packet radio service (GPRS, General Packet Radio Service), CDMA
(CDMA, Code Division Multiple Access), WCDMA (WCDMA, Wideband Code
Division Multiple Access), Long Term Evolution (LTE, Long Term Evolution), Email, short message clothes
Business (SMS, Short Messaging Service) etc..
The network equipment also includes the power supply 604 (such as battery) powered to all parts, it is preferred that power supply 604 can lead to
Cross power-supply management system logically contiguous with processor 601, so as to by power-supply management system realize management charge, electric discharge and
The functions such as power managed.Power supply 604 can also include one or more direct current or AC power, recharging system, electricity
The random component such as source failure detector circuit, power supply changeover device or inverter, power supply status indicator.
The network equipment may also include input block 605, and the input block 605 can be used for the numeral or character of receives input
Information, and produce the keyboard relevant with user's setting and function control, mouse, action bars, optics or trace ball signal
Input.Specifically, in a specific embodiment, input block 605 may include Touch sensitive surface and other input equipments.Touch
Sensitive surfaces, also referred to as touch display screen or Trackpad, user can be collected thereon or neighbouring touch operation (such as user makes
With the operation of any suitable object such as finger, stylus or annex on Touch sensitive surface or near Touch sensitive surface), and according to pre-
The formula for first setting drives corresponding attachment means.Optionally, Touch sensitive surface may include touch detecting apparatus and touch controller
Two parts.Wherein, touch detecting apparatus detect the touch orientation of user, and detect the signal that touch operation brings, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
Give processor 601 again, and the order sent of receiving processor 601 and can be performed.Furthermore, it is possible to using resistance-type, electricity
The polytypes such as appearance formula, infrared ray and surface acoustic wave realize Touch sensitive surface.Except Touch sensitive surface, input block 605 can be with
Including other input equipments.Specifically, other input equipments can include but is not limited to physical keyboard, function key (such as volume
Control button, switch key etc.), trace ball, mouse, one or more in action bars etc..
The network equipment may also include display unit 606, and the display unit 606 can be used to show by the information of user input
Or be supplied to the information of user and the various graphical user interface of the network equipment, these graphical user interface can by figure,
Text, icon, video and its any combination are constituting.Display unit 606 may include display floater, optionally, can adopt liquid
Crystal display (LCD, Liquid Crystal Display), Organic Light Emitting Diode (OLED, Organic Light-
Emitting Diode) etc. form configuring display floater.Further, Touch sensitive surface can cover display floater, when touch-sensitive table
Face is detected thereon or after neighbouring touch operation, processor 601 is sent to determine the type of touch event, with post processing
Device 601 provides on a display panel corresponding visual output according to the type of touch event.Although in the diagram, Touch sensitive surface with
Display floater be as two independent parts come realize input and input function, but in some embodiments it is possible to will touch
Sensitive surfaces are integrated with display floater and realization is input into and output function.
Although not shown, the network equipment can also include camera, bluetooth module etc., will not be described here.Specifically at this
In embodiment, the processor 601 in the network equipment can be according to following instruction, by entering for one or more application program
The corresponding executable file of journey is loaded into memory 602, and run by processor 601 storage in the memory 602 should
It is as follows so as to realize various functions with program：
Audio file to be played is obtained, and extracts the characteristic information set of the audio file；
Corresponding characteristic information is selected to be used as target signature information from this feature information aggregate by Predistribution Algorithm；
The background image of the audio file is determined according to the target signature information, the background image is dynamic image；
During the audio file is played, the background image is controlled in backdrop window according to the target signature information
Dynamic Announce.
Above the implementation method of each operation specifically can be found in above-described embodiment, and here is omitted.
The terminal can be realized achieved by the playing device of any one audio file that the embodiment of the present invention is provided
Effectively effect, refers to embodiment above, will not be described here.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Completed with instructing the hardware of correlation by program, the program can be stored in a computer-readable recording medium, storage
Medium can include：Read-only storage (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
A kind of player method of the audio file for being provided the embodiment of the present invention above, device and system have been carried out in detail
Introduce, specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example
It is only intended to help and understands the method for the present invention and its core concept；Simultaneously for those skilled in the art, according to the present invention
Thought, will change in specific embodiments and applications, in sum, this specification content should not be understood
For limitation of the present invention.
Claims (12)
1. a kind of player method of audio file, it is characterised in that include：
Audio file to be played is obtained, and extracts the characteristic information set of the audio file；
Corresponding characteristic information is selected to be used as target signature information from the characteristic information set by Predistribution Algorithm；
The background image of the audio file is determined according to the target signature information, the background image is dynamic image；
During the audio file is played, the background image is controlled in backdrop window according to the target signature information
In Dynamic Announce.
2. the player method of audio file according to claim 1, it is characterised in that described to be believed according to the target signature
Breath determines the background image of the audio file, including：
Class label according to belonging to the target signature information determines the audio file；
Concentrated from default dynamic image according to the class label and select corresponding dynamic image；
The dynamic image of selection is defined as into the background image of the audio file.
3. the player method of audio file according to claim 1, it is characterised in that described to be believed according to the target signature
Dynamic Announce of the breath control background image in backdrop window, including：
Cadence information is extracted from the target signature information；
The dynamic change speed that the background image is shown in backdrop window is controlled according to the cadence information.
4. the player method of audio file according to claim 3, it is characterised in that described according to the cadence information control
The dynamic change speed that the background image is shown in backdrop window is made, including：
The tempo variation frequency of the audio file is determined according to the cadence information；
The dynamic change speed of the background image is calculated according to the tempo variation frequency；
According to the dynamic change speed background image is shown in backdrop window.
5. the player method of audio file according to claim 1, it is characterised in that according to the target signature information
After determining the background image of the audio file, also include：
The lyrics of the audio file are obtained, and extracts the collection of color values of the background image；
The target colour of the lyrics is determined according to the collection of color values；
The lyrics are drawn on by lyrics window with the target colour.
6. the player method of audio file according to claim 5, it is characterised in that described true according to the collection of color values
The target colour of the fixed lyrics, including：
The frequency of occurrences of each colour in the collection of color values is counted, and obtains frequency of occurrences highest colour；
The colour of opposite color is calculated according to frequency of occurrences highest colour；
The colour of the opposite color is defined as into the target colour of the lyrics.
7. a kind of playing device of audio file, it is characterised in that include：
Acquisition module, for obtaining audio file to be played, and extracts the characteristic information collection of the audio file；
Selecting module, selects corresponding characteristic information to be used as target signature for concentrating from the characteristic information by Predistribution Algorithm
Information；
Determining module, for determining the background image of the audio file, the background image according to the target signature information
For dynamic image；
Control module, for during the audio file is played, according to the target signature information background being controlled
Dynamic Announce of the image in backdrop window.
8. the playing device of audio file according to claim 7, it is characterised in that the determining module specifically for：
Class label according to belonging to the target signature information determines the audio file；
Concentrated from default dynamic image according to the class label and select corresponding dynamic image；
The dynamic image of selection is defined as into the background image of the audio file.
9. the playing device of audio file according to claim 7, it is characterised in that the control module is specifically included：
Extraction unit, for extracting cadence information from the target signature information；
Control unit, for controlling the dynamic change speed that the background image is shown in backdrop window according to the cadence information
Degree.
10. the playing device of audio file according to claim 9, it is characterised in that described control unit specifically for：
The tempo variation frequency of the audio file is determined according to the cadence information；
The dynamic change speed of the background image is calculated according to the tempo variation frequency；
According to the dynamic change speed background image is shown in backdrop window.
The playing device of 11. audio files according to claim 7, it is characterised in that described to paint also including drafting module
Molding block is specifically included：
Acquiring unit, for determining the background image of the audio file according to the target signature information in the determining module
Afterwards, the lyrics of the audio file are obtained, and extracts the collection of color values of the background image；
Determining unit, for determining the target colour of the lyrics according to the collection of color values；
Drawing unit, for the lyrics to be drawn on into lyrics window with the target colour.
The playing device of 12. audio files according to claim 11, it is characterised in that the determining unit is specifically used
In：
The frequency of occurrences of each colour in the collection of color values is counted, and obtains frequency of occurrences highest colour；
The colour of opposite color is calculated according to frequency of occurrences highest colour；
The colour of the opposite color is defined as into the target colour of the lyrics.
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| CN201611018899.5A CN106649586A (en) | 2016-11-18 | 2016-11-18 | Playing method of audio files and device of audio files |
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| CN201611018899.5A CN106649586A (en) | 2016-11-18 | 2016-11-18 | Playing method of audio files and device of audio files |
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| WO2022105271A1 (en) * | 2020-11-18 | 2022-05-27 | 北京字跳网络技术有限公司 | Method and apparatus for presenting lyrics and video, and electronic device and computer-readable medium |
| CN112818163A (en) * | 2021-01-22 | 2021-05-18 | 惠州Tcl移动通信有限公司 | Song display processing method, device, terminal and medium based on mobile terminal |
| CN114329001A (en) * | 2021-12-23 | 2022-04-12 | 游艺星际(北京)科技有限公司 | Dynamic picture display method and device, electronic equipment and storage medium |
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Application publication date: 20170510 |