CN106384603A - Music play method and music play device - Google Patents
Music play method and music play device Download PDFInfo
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- CN106384603A CN106384603A CN201610872623.7A CN201610872623A CN106384603A CN 106384603 A CN106384603 A CN 106384603A CN 201610872623 A CN201610872623 A CN 201610872623A CN 106384603 A CN106384603 A CN 106384603A
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- G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters
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Abstract
The present invention discloses a music play method and a music play device. The method comprises the steps of dividing a first audio file into N music clips according to a preset rule, wherein the preset rule specifically refers to a preset duration or a preset size, and N is an integer greater than or equal to 2; extracting a feature vector of each music clip of the N music clips, and acquiring N feature vectors; determining a play parameter corresponding to each feature vector of the N feature vectors, and acquiring N groups of play parameter; and playing the first audio file according to the N groups of play parameter. Through adoption of the method and device, a technical problem in the prior art that a speaker has a single music play manner is solved. According to the method, the audio file is divided into multiple music clips, and each music clip is matched with corresponding play parameter so as to play the audio file, so that the music play manner is increased.
Description
Technical field
The present invention relates to electronic technology field, particularly to a kind of method for playing music and music player devices.
Background technology
With scientific and technical continuous progress, electronic technology has also obtained development at full speed, a lot of electronic equipments, such as hand
Machine, audio amplifier etc., become the daily necessities of people.With the development of Intelligent hardware, meet the diversified need to audio for the user
Seeking Truth current sound-box device development trend.
In the prior art, audio amplifier can only play out according to default play mode when playing music, e.g., works as audio amplifier
When playing music first, automatically play according to default mode；When user selects other play mode prestoring in audio amplifier, such as select
Select the pop pattern prestoring, then audio amplifier is according to pop mode playback music.
It can be seen that, audio amplifier of the prior art can only play music according to the play mode prestoring, so, of the prior art
There is the single technical problem of mode of music in audio amplifier.
Content of the invention
The embodiment of the present application provides a kind of method for playing music and music player devices, for solving sound of the prior art
There is the single technical problem of mode of music in case, realize for audio file being divided into multiple snatch of musics, and is each sound
The corresponding play parameter of happy fragment match playing described audio file, thus increasing the technology effect of music mode
Really.
The embodiment of the present application one side provides a kind of method for playing music, is applied in music player devices, including：
First audio file is divided into N number of snatch of music according to preset rules, wherein, described preset rules are specially pre-
If duration or default size, N is the integer more than or equal to 2；
Extract the characteristic vector of each snatch of music in described N number of snatch of music, obtain N number of characteristic vector；
Determine and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtain N group play parameter；
Described first audio file is play based on described N group play parameter.
Optionally, the characteristic vector of each snatch of music described is the frequency domain character for characterizing each music frequency range described
Parameter or audio frequency characteristics parameter.
Optionally, described extract described N number of snatch of music in each snatch of music characteristic vector, obtain N number of feature to
Amount, including：
Each snatch of music in described N number of snatch of music is decoded, obtains N group pulse code modulated audio number
According to；
Obtain default characteristic vector pickup algorithm；
Based on described characteristic vector pickup algorithm, the every group pulse in described N group pulse code modulated audio data is compiled
Code modulating audio frequency data is calculated, and obtains N number of characteristic vector.
Optionally, described determination and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtain N group
Play parameter, including：
Obtain at least one default characteristic vector, and at least one default characteristic vector described is preset with least one set and broadcast
Put the corresponding relation of parameter；
I is taken to be 1 to N successively, by least one default spy vectorial for the ith feature in described N number of characteristic vector and described
Levy vector to be mated, determine i-th first eigenvector with described ith feature Vectors matching, when i is for N, obtain N
Individual first eigenvector；
Based on described corresponding relation, determine N group play parameter corresponding with described N number of first eigenvector.
Optionally, described least one set presets play parameter is the least one set the being pre-stored in described music player devices
One play parameter and/or the least one set second by detecting the calibration operation acquisition of the use user of described music player devices
Play parameter and/or least one set the 3rd broadcasting ginseng being sent by the first electronic equipment being connected with described music player devices
Number.
Optionally, described based on described N group play parameter play described first audio file, including：
Described N group play parameter is analyzed integrate, forms play parameter row corresponding with described first audio file
Table；
Described first audio file is play based on described play parameter list.
Optionally, after described described first audio file of broadcasting based on described play parameter list, methods described is also
Including：
Set up and preserve the first corresponding relation of described first audio file and described play parameter list.
Optionally, set up and preserve described first audio file pass corresponding with the first of described play parameter list described
After system, methods described also includes：
Obtain the second audio file；
Determine in the vectorial N number of vector differentials with described N number of characteristic vector of N number of second feature of described second audio file
Whether each vector differentials is less than or equal to predetermined threshold value；
If so, then obtain described first corresponding relation, and described second audio frequency literary composition is play based on described play parameter list
Part.
The embodiment of the present application another aspect additionally provides a kind of music player devices, including：
First segmentation module, for the first audio file is divided into N number of snatch of music according to preset rules, wherein, institute
State preset rules and be specially preset duration or default size, N is the integer more than or equal to 2；
First acquisition module, for extracting the characteristic vector of each snatch of music in described N number of snatch of music, obtains N number of
Characteristic vector；
Second acquisition module, for determining and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtains
Take N group play parameter；
First performing module, for playing described first audio file based on described N group play parameter.
Optionally, the characteristic vector of each snatch of music described is the frequency domain character for characterizing each music frequency range described
Parameter or audio frequency characteristics parameter.
Optionally, described first acquisition module specifically for：
Each snatch of music in described N number of snatch of music is decoded, obtains N group pulse code modulated audio number
According to；
Obtain default characteristic vector pickup algorithm；
Based on described characteristic vector pickup algorithm, the every group pulse in described N group pulse code modulated audio data is compiled
Code modulating audio frequency data is calculated, and obtains N number of characteristic vector.
Optionally, described second acquisition module specifically for：
Obtain at least one default characteristic vector, and at least one default characteristic vector described is preset with least one set and broadcast
Put the corresponding relation of parameter；
I is taken to be 1 to N successively, by least one default spy vectorial for the ith feature in described N number of characteristic vector and described
Levy vector to be mated, determine i-th first eigenvector with described ith feature Vectors matching, when i is for N, obtain N
Individual first eigenvector；
Based on described corresponding relation, determine N group play parameter corresponding with described N number of first eigenvector.
Optionally, described least one set presets play parameter is the least one set the being pre-stored in described music player devices
One play parameter and/or the least one set second by detecting the calibration operation acquisition of the use user of described music player devices
Play parameter and/or least one set the 3rd broadcasting ginseng being sent by the first electronic equipment being connected with described music player devices
Number.
Optionally, described first performing module specifically for：
Described N group play parameter is analyzed integrate, forms play parameter row corresponding with described first audio file
Table；
Described first audio file is play based on described play parameter list.
Optionally, described music player devices also include：
Second performing module, for setting up and preserving the first couple of described first audio file and described play parameter list
Should be related to.
Optionally, described music player devices also include：
3rd acquisition module, for obtaining the second audio file；
First determining module, the N number of second feature for determining described second audio file vectorial with described N number of feature to
In N number of vector differentials of amount, whether each vector differentials is less than or equal to predetermined threshold value；
3rd performing module, for if so, then obtaining described first corresponding relation, and is broadcast based on described play parameter list
Put described second audio file.
Said one in the embodiment of the present application or multiple technical scheme, at least have following one or more technology effect
Really：
First, due to the technical scheme in the embodiment of the present application, it is divided into N using by the first audio file according to preset rules
Individual snatch of music, wherein, described preset rules are specially preset duration or default size, and N is the integer more than or equal to 2；Carry
Take the characteristic vector of each snatch of music in described N number of snatch of music, obtain N number of characteristic vector；Determine with described N number of feature to
The corresponding play parameter of each characteristic vector in amount, obtains N group play parameter；Play described the based on described N group play parameter
The technological means of one audio file, so, music file to be played is carried out preconditioned fragment, is divided into several snatch of musics,
Then the characteristic vector according to each snatch of music, mates corresponding play parameter for each snatch of music, thus should playing
During music file, according to the multiple play parameter played in order determined, efficiently solve for solving sound of the prior art
There is the single technical problem of mode of music in case, realize playing music literary compositions using multiple different play parameter
Part, increases the technique effect of music mode.
2nd, due to the technical scheme in the embodiment of the present application, presetting play parameter using described least one set is to be pre-stored in
Least one set first play parameter in described music player devices and/or the use use by detecting described music player devices
Least one set second play parameter that the calibration operation at family obtains and/or by the first electronics being connected with described music player devices
The technological means of least one set the 3rd play parameter that equipment sends, so, when for each snatch of music coupling play parameter,
Can be mated from the play parameter of systemic presupposition it is also possible to oneself distinctive calibration parameter is saved in by music by user
In playback equipment, then mated from the play parameter that oneself preserves, it is also possible to from by other electronics such as server
Mated in the play parameter that equipment pushes, thus providing multiple choices for snatch of music, so that each snatch of music
Most suitable play parameter can be matched it is achieved that the diversified technique effect of play parameter.
3rd, due to the technical scheme in the embodiment of the present application, using obtaining the second audio file；Determine described second audio frequency
N number of second feature of file is vectorial and N number of vector differentials of described N number of characteristic vector in each vector differentials whether be less than or equal to
Predetermined threshold value；If so, then obtain described first corresponding relation, and described second audio frequency literary composition is play based on described play parameter list
The technological means of part, so, after generating play parameter list corresponding with the first audio file, if play the first sound again
When other audio files of frequency file or broadcasting are similar to the first audio file, then can directly adopt the first audio file
Play parameter list is play, without being analyzed to audio file again it is achieved that reducing the amount of calculation of music player devices
Technique effect.
Brief description
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, embodiment will be described below
In required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some
Embodiment.
A kind of flow chart of method for playing music that Fig. 1 provides for the embodiment of the present application one；
A kind of structured flowchart of music player devices that Fig. 2 provides for the embodiment of the present application two.
Specific embodiment
The embodiment of the present application provides a kind of method for playing music and music player devices, for solving sound of the prior art
There is the single technical problem of mode of music in case, realize for audio file being divided into multiple snatch of musics, and is each sound
The corresponding play parameter of happy fragment match playing described audio file, thus increasing the technology effect of music mode
Really.
Technical scheme in the embodiment of the present application is to solve above-mentioned technical problem, and general thought is as follows：
A kind of method for playing music, is applied in music player devices, including：
First audio file is divided into N number of snatch of music according to preset rules, wherein, described preset rules are specially pre-
If duration or default size, N is the integer more than or equal to 2；
Extract the characteristic vector of each snatch of music in described N number of snatch of music, obtain N number of characteristic vector；
Determine and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtain N group play parameter；
Described first audio file is play based on described N group play parameter.
In technique scheme, it is divided into N number of snatch of music using by the first audio file according to preset rules, its
In, described preset rules are specially preset duration or default size, and N is the integer more than or equal to 2；Extract described N number of music
The characteristic vector of each snatch of music in fragment, obtains N number of characteristic vector；Determine and each feature in described N number of characteristic vector
The corresponding play parameter of vector, obtains N group play parameter；Described first audio file is play based on described N group play parameter
Technological means, so, music file to be played is carried out preconditioned fragment, is divided into several snatch of musics, then according to each
The characteristic vector of snatch of music, mates corresponding play parameter for each snatch of music, thus when playing this music file, pressing
According to the multiple play parameter played in order determined, efficiently solve and there is music for solving audio amplifier of the prior art
The single technical problem of mode, realize playing music files using multiple different play parameter, increase music
The technique effect of mode.
In order to be better understood from technique scheme, below by accompanying drawing and specific embodiment to technical solution of the present invention
It is described in detail it should be understood that the specific features in the embodiment of the present application and embodiment are detailed to technical solution of the present invention
Thin explanation, rather than the restriction to technical solution of the present invention, in the case of not conflicting, the embodiment of the present application and embodiment
In technical characteristic can be combined with each other.
Embodiment one
Refer to Fig. 1, a kind of flow chart of the method for playing music providing for the embodiment of the present application one, methods described is applied
In music player devices, including：
S101：First audio file is divided into N number of snatch of music according to preset rules, wherein, described preset rules tool
Body is preset duration or default size, and N is the integer more than or equal to 2；
S102：Extract the characteristic vector of each snatch of music in described N number of snatch of music, obtain N number of characteristic vector；
S103：Determine and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtain N group and play ginseng
Number；
S104：Described first audio file is play based on described N group play parameter.
In specific implementation process, described music player devices can be specifically audio amplifier, smart mobile phone or other
There is the electronic equipment playing audio file, here, just differ one schematically illustrating.Described first audio file can be preserved
Recommended in the memory cell middle pitch frequency file of described music player devices or by server or other electronic equipments
Audio file, is not restricted in the embodiment of the present application.
When music is play using the method in the embodiment of the present application, step S101 is first carried out, that is,：By the first audio frequency literary composition
Part is divided into N number of snatch of music according to preset rules, and wherein, described preset rules are specially preset duration or default size, N
It is the integer more than or equal to 2.
In specific implementation process, with described music player devices as audio amplifier, described first audio file be saved in sound
As a example song 1 in the memory cell of happy playback equipment, when the processor of audio amplifier determines and is currently needed for playing song 1, then obtain
Take the fileinfo of song 1, such as the size of song 1 or the total duration of song 1, then according to the segmentation rule having predefined
Then, as carried out segmentation according to default duration or carrying out segmentation according to default size, song 1 is divided into multiple musical films
Section.
Taking according to default duration, segmentation is carried out to song 1 as a example, a length of 30s when setting default, the total duration of song 1
For 3min, then every 30s content of song 1 is divided into a snatch of music, then obtains 6 snatch of musics.Certainly, if song 1
Total duration is not 3 multiple, and such as total duration is 190s, then need song 1 to be divided into 7 snatch of musics, less than the part of 30s
It is considered a snatch of music.
After execution completes step S101, method just execution step S102 in the embodiment of the present application, that is,：Extract described
The characteristic vector of each snatch of music in N number of snatch of music, obtains N number of characteristic vector.
In the embodiment of the present application, the characteristic vector of each snatch of music described is for characterizing each music frequency range described
Frequency domain character parameter or audio frequency characteristics parameter.
In specific implementation process, continue to use above-mentioned example, when audio amplifier processor by song 1 be divided into 6 snatch of musics it
Afterwards, then extract the characteristic parameter of each snatch of music, can be specifically to extract frequency domain character parameter, such as each snatch of music is each
The frequency gain of individual frequency, spectrogram etc.；Can also be to extract range characteristic parameter, such as sub-belt energy ratio, frequency barycenter or
Baseband frequency etc., certainly, those skilled in the art can also extract other characteristic parameters of snatch of music, in the embodiment of the present application
In be not restricted.In the embodiment of the present application, said as a example described characteristic vector using spectral centroid and frequency spectrum transition
Bright.
In the embodiment of the present application, the specific implementation of step S102 is as follows：
Each snatch of music in described N number of snatch of music is decoded, obtains N group pulse code modulated audio number
According to；
Obtain default characteristic vector pickup algorithm；
Based on described characteristic vector pickup algorithm, the every group pulse in described N group pulse code modulated audio data is compiled
Code modulating audio frequency data is calculated, and obtains N number of characteristic vector.
In specific implementation process, continue to use above-mentioned example, when audio amplifier processor by song 1 be divided into 6 snatch of musics it
Afterwards, first 6 snatch of music perform decodings based on compressed encoding are obtained with 6 corresponding PCM audio data, then extracts solution
The characteristic vector of the PCM audio data after code.Specifically, taking extract the characteristic vector of first snatch of music as a example, by
One snatch of music is divided into the clip (fragment) of 2s, non-overlapping part between adjacent clip, adds the Hamming of 50ms for each clip
Window shape framing, adjacent interframe has the lap of 25ms.Then using the multiple frames obtaining, calculate the frequency spectrum of first music fragment
Barycenter and frequency spectrum transition.Wherein, spectral centroid is the index of tolerance audio frequency brightness, and computational methods are as follows：
Wherein, C is spectral centroid, and M [f] represents the size of the energy value when Fourier transformation medium frequency is f, and N is sampling
The number that frequency calculates.
Frequency spectrum transition reflect spectral change, and it is defined as follows：
F=| | M [f]-MP[f]||
Mp[f] represents the size of the corresponding energy value of previous frame rate f.
And then obtain the characteristic vector (C of first snatch of music1, F1).The like, obtain remaining 5 musical films respectively
The characteristic vector of section.
Certainly, those skilled in the art can also obtain the characteristic vector of snatch of music using other modes, in the application
It is not restricted in embodiment.
After execution completes step S102, method just execution step S103 in the embodiment of the present application, that is,：Determine and institute
State the corresponding play parameter of each characteristic vector in N number of characteristic vector, obtain N group play parameter.
In the embodiment of the present application, the specific implementation of step S103 is as follows：
Obtain at least one default characteristic vector, and at least one default characteristic vector described is preset with least one set and broadcast
Put the corresponding relation of parameter；
I is taken to be 1 to N successively, by least one default spy vectorial for the ith feature in described N number of characteristic vector and described
Levy vector to be mated, determine i-th first eigenvector with described ith feature Vectors matching, when i is for N, obtain N
Individual first eigenvector；
Based on described corresponding relation, determine N group play parameter corresponding with described N number of first eigenvector.
Wherein, described least one set presets play parameter is the least one set first being pre-stored in described music player devices
The least one set second of play parameter and/or the calibration operation acquisition using user passing through the described music player devices of detection is broadcast
Put parameter and/or least one set the 3rd play parameter being sent by the first electronic equipment being connected with described music player devices.
In specific implementation process, continue to use above-mentioned example, when the processor of audio amplifier obtains corresponding 6 of 6 snatch of musics
After characteristic vector, processor needs respectively 6 characteristic vectors to mate corresponding play parameter.Memory cell in audio amplifier
In, it is previously stored with multigroup play parameter.Described play parameter can be that in audio amplifier, default play mode is corresponding plays ginseng
In number, such as audio amplifier, default play parameter has：Pop music parameter set, classical music music parameter collection, rock music parameter set, with
When, the pop music characteristic vector corresponding with pop music parameter set that be also stored with the memory cell of audio amplifier and classic musical sound
The corresponding classical music characteristic vector of happy parameter set, and rock music characteristic vector corresponding with rock music parameter set.It is each
The extracting mode of the corresponding characteristic vector of individual preset musical parameter set can be using as the method in step S102, it would however also be possible to employ
Other modes, are not restricted in the embodiment of the present application.Then, processor is by 6 characteristic vectors obtaining and memory cell
The characteristic vector prestoring is compared, and e.g., compares (C1, F1) respectively with pop music characteristic vector, classical music characteristic vector and
The similarity of rock music characteristic vector, determines (C1, F1) with the similarity highest of pop music characteristic vector, so that it is determined that going out
The first eigenvector of first snatch of music is pop music characteristic vector.Due to pop music characteristic vector and pop music
Play parameter is corresponding it is determined that the play parameter going out first snatch of music is pop music play parameter.
According to the method described above, other corresponding play parameter of 5 characteristic vectors are determined, thus obtaining 6 groups of play parameter.
Certainly, described 6 groups of play parameter can different or a portion identical, another part is different, such as the
Two snatch of musics correspond to classical music play parameter, and the 3rd snatch of music corresponds to rock music play parameter, the 4th musical film
The corresponding rock music play parameter of section, the 5th snatch of music corresponds to pop play parameter, and the 6th snatch of music is corresponding classic
Happy play parameter.
In specific implementation process, except can be mated it is also possible to by user with play parameter default in audio amplifier
Oneself distinctive calibration parameter is saved in music player devices, is then mated from the play parameter that oneself preserves,
It is also possible to be mated it is also possible to obtain this simultaneously from the play parameter being pushed by other electronic equipments such as server
All play parameter of three aspects, are mated from all play parameter, are not restricted in the embodiment of the present application.
After execution completes step S103, method just execution step S104 in the embodiment of the present application, that is,：Based on described
N group play parameter plays described first audio file.
In the embodiment of the present application, the specific implementation of step S104 is as follows：
Described N group play parameter is analyzed integrate, forms play parameter row corresponding with described first audio file
Table；
Described first audio file is play based on described play parameter list.
In specific implementation process, continue to use above-mentioned example, when broadcasting of first snatch of music determined by the processor of audio amplifier
Putting parameter is pop play parameter, and second snatch of music corresponds to classical music play parameter, and the 3rd snatch of music correspondence is shaken
Roll happy play parameter, the 4th snatch of music corresponds to rock music play parameter, the 5th snatch of music corresponds to pop and play ginseng
Number, after the 6th snatch of music corresponds to classical music play parameter, just forms play parameter list.Playing sequence as music is
Fragment 1-6, then play parameter list then be pop music play parameter → classical music play parameter → rock music play parameter →
Rock music play parameter → pop play parameter → classical music play parameter.Then song 1 is play in above-mentioned list.
After execution completes above-mentioned steps, methods described also includes：
Set up and preserve the first corresponding relation of described first audio file and described play parameter list；
Obtain the second audio file；
Determine in the vectorial N number of vector differentials with described N number of characteristic vector of N number of second feature of described second audio file
Whether each vector differentials is less than or equal to predetermined threshold value；
If so, then obtain described first corresponding relation, and described second audio frequency literary composition is play based on described play parameter list
Part.
In specific implementation process, continue to use above-mentioned example, when the processor of audio amplifier forms the play parameter list to song 1
Afterwards, then song 1 is saved with play parameter list.When the processor of audio amplifier wants here to play song, then extract first
Need the characteristic vector of the song of broadcasting, then the characteristic vector of the characteristic vector extracting and song 1 is compared, passes through
The difference of characteristic vector determines whether the song being currently needed for playing is similar or identical with song 1, if same or similar,
From memory cell, directly obtain play parameter list corresponding with song 1, the play parameter list according to song 1 is play current
Need the song play, thus reducing the amount of calculation of sound box processor.
Embodiment two
It is based on and the embodiment of the present application one identical inventive concept, refer to Fig. 2, providing for the embodiment of the present application two
Plant the structured flowchart of music player devices, including：
First segmentation module 101, for the first audio file is divided into N number of snatch of music according to preset rules, wherein,
Described preset rules are specially preset duration or default size, and N is the integer more than or equal to 2；
First acquisition module 102, for extracting the characteristic vector of each snatch of music in described N number of snatch of music, obtains N
Individual characteristic vector；
Second acquisition module 103, for determining broadcasting ginseng corresponding with each characteristic vector in described N number of characteristic vector
Number, obtains N group play parameter；
First performing module 104, for playing described first audio file based on described N group play parameter.
In the embodiment of the present application two, the characteristic vector of each snatch of music described is for characterizing each music frequency described
The frequency domain character parameter of section or audio frequency characteristics parameter.
In the embodiment of the present application two, the first acquisition module 102 specifically for：
Each snatch of music in described N number of snatch of music is decoded, obtains N group pulse code modulated audio number
According to；
Obtain default characteristic vector pickup algorithm；
Based on described characteristic vector pickup algorithm, the every group pulse in described N group pulse code modulated audio data is compiled
Code modulating audio frequency data is calculated, and obtains N number of characteristic vector.
In the embodiment of the present application two, the second acquisition module 103 specifically for：
Obtain at least one default characteristic vector, and at least one default characteristic vector described is preset with least one set and broadcast
Put the corresponding relation of parameter；
I is taken to be 1 to N successively, by least one default spy vectorial for the ith feature in described N number of characteristic vector and described
Levy vector to be mated, determine i-th first eigenvector with described ith feature Vectors matching, when i is for N, obtain N
Individual first eigenvector；
Based on described corresponding relation, determine N group play parameter corresponding with described N number of first eigenvector.
In the embodiment of the present application two, it is to be pre-stored in described music player devices that described least one set presets play parameter
Least one set first play parameter and/or by detect described music player devices use user calibration operation obtain
Least one set second play parameter and/or the least one set being sent by the first electronic equipment being connected with described music player devices
3rd play parameter.
In the embodiment of the present application two, the first performing module 104 specifically for：
Described N group play parameter is analyzed integrate, forms play parameter row corresponding with described first audio file
Table；
Described first audio file is play based on described play parameter list.
In the embodiment of the present application two, described music player devices also include：
Second performing module 105, for setting up and preserving the of described first audio file and described play parameter list
One corresponding relation.
In the embodiment of the present application two, described music player devices also include：
3rd acquisition module 106, for obtaining the second audio file；
First determining module 107, the N number of second feature for determining described second audio file vectorial with described N number of spy
Levy whether each vector differentials in N number of vector differentials of vector are less than or equal to predetermined threshold value；
If so, 3rd performing module 108, for then obtaining described first corresponding relation, and based on described play parameter row
Described second audio file play by table.
By one or more of the embodiment of the present application technical scheme, it is possible to achieve one or more technology effects as follows
Really：
First, due to the technical scheme in the embodiment of the present application, it is divided into N using by the first audio file according to preset rules
Individual snatch of music, wherein, described preset rules are specially preset duration or default size, and N is the integer more than or equal to 2；Carry
Take the characteristic vector of each snatch of music in described N number of snatch of music, obtain N number of characteristic vector；Determine with described N number of feature to
The corresponding play parameter of each characteristic vector in amount, obtains N group play parameter；Play described the based on described N group play parameter
The technological means of one audio file, so, music file to be played is carried out preconditioned fragment, is divided into several snatch of musics,
Then the characteristic vector according to each snatch of music, mates corresponding play parameter for each snatch of music, thus should playing
During music file, according to the multiple play parameter played in order determined, efficiently solve for solving sound of the prior art
There is the single technical problem of mode of music in case, realize playing music literary compositions using multiple different play parameter
Part, increases the technique effect of music mode.
2nd, due to the technical scheme in the embodiment of the present application, presetting play parameter using described least one set is to be pre-stored in
Least one set first play parameter in described music player devices and/or the use use by detecting described music player devices
Least one set second play parameter that the calibration operation at family obtains and/or by the first electronics being connected with described music player devices
The technological means of least one set the 3rd play parameter that equipment sends, so, when for each snatch of music coupling play parameter,
Can be mated from the play parameter of systemic presupposition it is also possible to oneself distinctive calibration parameter is saved in by music by user
In playback equipment, then mated from the play parameter that oneself preserves, it is also possible to from by other electronics such as server
Mated in the play parameter that equipment pushes, thus providing multiple choices for snatch of music, so that each snatch of music
Most suitable play parameter can be matched it is achieved that the diversified technique effect of play parameter.
3rd, due to the technical scheme in the embodiment of the present application, using obtaining the second audio file；Determine described second audio frequency
N number of second feature of file is vectorial and N number of vector differentials of described N number of characteristic vector in each vector differentials whether be less than or equal to
Predetermined threshold value；If so, then obtain described first corresponding relation, and described second audio frequency literary composition is play based on described play parameter list
The technological means of part, so, after generating play parameter list corresponding with the first audio file, if play the first sound again
When other audio files of frequency file or broadcasting are similar to the first audio file, then can directly adopt the first audio file
Play parameter list is play, without being analyzed to audio file again it is achieved that reducing the amount of calculation of music player devices
Technique effect.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or the reality combining software and hardware aspect
Apply the form of example.And, the present invention can be using in one or more computers wherein including computer usable program code
The upper computer program implemented of usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) produces
The form of product.
The present invention is the flow process with reference to method according to embodiments of the present invention, equipment (system) and computer program
Figure and/or block diagram are describing.It should be understood that can be by each stream in computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor instructing all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device is to produce
A raw machine is so that produced for reality by the instruction of computer or the computing device of other programmable data processing device
The device of the function of specifying in present one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing device with spy
Determine in the computer-readable memory that mode works so that the instruction generation inclusion being stored in this computer-readable memory refers to
Make the manufacture of device, this command device realize in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function of specifying in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that counting
On calculation machine or other programmable devices, execution series of operation steps to be to produce computer implemented process, thus in computer or
On other programmable devices, the instruction of execution is provided for realizing in one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function of specifying in individual square frame or multiple square frame.
Specifically, the corresponding computer program instructions of the method for playing music in the embodiment of the present application can be stored in
CD, hard disk, on the storage medium such as USB flash disk, when computer program instructions quilt corresponding with method for playing music in storage medium
When one electronic equipment reads or is performed, comprise the steps：
First audio file is divided into N number of snatch of music according to preset rules, wherein, described preset rules are specially pre-
If duration or default size, N is the integer more than or equal to 2；
Extract the characteristic vector of each snatch of music in described N number of snatch of music, obtain N number of characteristic vector；
Determine and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtain N group play parameter；
Described first audio file is play based on described N group play parameter.
Optionally, in described storage medium storage and step：Extract each snatch of music in described N number of snatch of music
Characteristic vector, obtain N number of characteristic vector, corresponding computer program instructions when executed, including：
Each snatch of music in described N number of snatch of music is decoded, obtains N group pulse code modulated audio number
According to；
Obtain default characteristic vector pickup algorithm；
Based on described characteristic vector pickup algorithm, the every group pulse in described N group pulse code modulated audio data is compiled
Code modulating audio frequency data is calculated, and obtains N number of characteristic vector.
Optionally, in described storage medium storage and step：Determine and each characteristic vector in described N number of characteristic vector
Corresponding play parameter, obtain N group play parameter, corresponding computer program instructions when executed, including：
Obtain at least one default characteristic vector, and at least one default characteristic vector described is preset with least one set and broadcast
Put the corresponding relation of parameter；
I is taken to be 1 to N successively, by least one default spy vectorial for the ith feature in described N number of characteristic vector and described
Levy vector to be mated, determine i-th first eigenvector with described ith feature Vectors matching, when i is for N, obtain N
Individual first eigenvector；
Based on described corresponding relation, determine N group play parameter corresponding with described N number of first eigenvector.
Optionally, in described storage medium storage and step：Described first audio frequency is play based on described N group play parameter
File, corresponding computer program instructions when executed, including：
Described N group play parameter is analyzed integrate, forms play parameter row corresponding with described first audio file
Table；
Described first audio file is play based on described play parameter list.
Optionally, be also stored with described storage medium other computer program instructions, and described other calculates
Machine programmed instruction with step：Play the corresponding computer program of described first audio file based on described play parameter list to refer to
It is performed after order execution, including：
Set up and preserve the first corresponding relation of described first audio file and described play parameter list.
Optionally, be also stored with described storage medium other computer program instructions, and described other calculates
Machine programmed instruction with step：Set up and preserve the first corresponding relation of described first audio file and described play parameter list
It is performed after corresponding computer program instructions execution, including：
Obtain the second audio file；
Determine in the vectorial N number of vector differentials with described N number of characteristic vector of N number of second feature of described second audio file
Whether each vector differentials is less than or equal to predetermined threshold value；
If so, then obtain described first corresponding relation, and described second audio frequency literary composition is play based on described play parameter list
Part.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to including excellent
Select embodiment and fall into being had altered and changing of the scope of the invention.
Obviously, those skilled in the art can carry out the various changes and modification essence without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprise these changes and modification.
Claims (16)
1. a kind of method for playing music, is applied in music player devices, including：
First audio file is divided into N number of snatch of music according to preset rules, wherein, when described preset rules are specially default
Long or default size, N is the integer more than or equal to 2；
Extract the characteristic vector of each snatch of music in described N number of snatch of music, obtain N number of characteristic vector；
Determine and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtain N group play parameter；
Described first audio file is play based on described N group play parameter.
2. the method for claim 1 is it is characterised in that the characteristic vector of each snatch of music described is for characterizing
State frequency domain character parameter or the audio frequency characteristics parameter of each music frequency range.
3. method as claimed in claim 1 or 2 is it is characterised in that each musical film in the described N number of snatch of music of described extraction
The characteristic vector of section, obtains N number of characteristic vector, including：
Each snatch of music in described N number of snatch of music is decoded, obtains N group pulse code modulated audio data；
Obtain default characteristic vector pickup algorithm；
Based on described characteristic vector pickup algorithm, the every group pulse coding in described N group pulse code modulated audio data is adjusted
Voice data processed is calculated, and obtains N number of characteristic vector.
4. method as claimed in claim 3 it is characterised in that in described determination and described N number of characteristic vector each feature to
Measure corresponding play parameter, obtain N group play parameter, including：
Obtain at least one default characteristic vector, and at least one default characteristic vector described is preset with least one set and play ginseng
The corresponding relation of number；
Take i to be 1 to N successively, by vectorial for the ith feature in described N number of characteristic vector with least one default feature described to
Amount is mated, and determines and i-th first eigenvector of described ith feature Vectors matching, when i is for N, obtains N number of the
One characteristic vector；
Based on described corresponding relation, determine N group play parameter corresponding with described N number of first eigenvector.
5. method as claimed in claim 4 is it is characterised in that it is to be pre-stored in described sound that described least one set presets play parameter
Least one set first play parameter in happy playback equipment and/or the school by detecting the use user of described music player devices
Standard is operated least one set second play parameter obtaining and/or is sent out by the first electronic equipment being connected with described music player devices
Least one set the 3rd play parameter sent.
6. method as claimed in claim 5 is it is characterised in that described play described first sound based on described N group play parameter
Frequency file, including：
Described N group play parameter is analyzed integrate, forms play parameter list corresponding with described first audio file；
Described first audio file is play based on described play parameter list.
7. method as claimed in claim 6 is it is characterised in that play described first described based on described play parameter list
After audio file, methods described also includes：
Set up and preserve the first corresponding relation of described first audio file and described play parameter list.
8. method as claimed in claim 7 it is characterised in that described set up and preserve described first audio file with described
After first corresponding relation of play parameter list, methods described also includes：
Obtain the second audio file；
Determine each in the vectorial N number of vector differentials with described N number of characteristic vector of N number of second feature of described second audio file
Whether vector differentials are less than or equal to predetermined threshold value；
If so, then obtain described first corresponding relation, and described second audio file is play based on described play parameter list.
9. a kind of music player devices, including：
First segmentation module, for the first audio file is divided into N number of snatch of music according to preset rules, wherein, described pre-
If rule is specially preset duration or default size, N is the integer more than or equal to 2；
First acquisition module, for extracting the characteristic vector of each snatch of music in described N number of snatch of music, obtains N number of feature
Vector；
Second acquisition module, for determining and the corresponding play parameter of each characteristic vector in described N number of characteristic vector, obtains N
Group play parameter；
First performing module, for playing described first audio file based on described N group play parameter.
10. music player devices as claimed in claim 9 are it is characterised in that the characteristic vector of each snatch of music described is
For characterizing frequency domain character parameter or the audio frequency characteristics parameter of each music frequency range described.
11. music player devices as described in claim 9 or 10 it is characterised in that described first acquisition module specifically for：
Each snatch of music in described N number of snatch of music is decoded, obtains N group pulse code modulated audio data；
Obtain default characteristic vector pickup algorithm；
Based on described characteristic vector pickup algorithm, the every group pulse coding in described N group pulse code modulated audio data is adjusted
Voice data processed is calculated, and obtains N number of characteristic vector.
12. music player devices as claimed in claim 11 it is characterised in that described second acquisition module specifically for：
Obtain at least one default characteristic vector, and at least one default characteristic vector described is preset with least one set and play ginseng
The corresponding relation of number；
Take i to be 1 to N successively, by vectorial for the ith feature in described N number of characteristic vector with least one default feature described to
Amount is mated, and determines and i-th first eigenvector of described ith feature Vectors matching, when i is for N, obtains N number of the
One characteristic vector；
Based on described corresponding relation, determine N group play parameter corresponding with described N number of first eigenvector.
13. music player devices as claimed in claim 12 are it is characterised in that it is pre- that described least one set presets play parameter
There is least one set first play parameter in described music player devices and/or by detecting making of described music player devices
With least one set second play parameter of the calibration operation acquisition of user and/or by first being connected with described music player devices
Least one set the 3rd play parameter that electronic equipment sends.
14. music player devices as claimed in claim 13 it is characterised in that described first performing module specifically for：
Described N group play parameter is analyzed integrate, forms play parameter list corresponding with described first audio file；
Described first audio file is play based on described play parameter list.
15. music player devices as claimed in claim 14 are it is characterised in that described music player devices also include：
Second performing module, for setting up and preserving described first audio file pass corresponding with the first of described play parameter list
System.
16. music player devices as claimed in claim 15 are it is characterised in that described music player devices also include：
3rd acquisition module, for obtaining the second audio file；
First determining module, the N number of second feature for determining described second audio file is vectorial and described N number of characteristic vector
In N number of vector differentials, whether each vector differentials is less than or equal to predetermined threshold value；
3rd performing module, for if so, then obtaining described first corresponding relation, and plays institute based on described play parameter list
State the second audio file.
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| CN201610872623.7A CN106384603A (en) | 2016-09-30 | 2016-09-30 | Music play method and music play device |
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| CN201610872623.7A CN106384603A (en) | 2016-09-30 | 2016-09-30 | Music play method and music play device |
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Application publication date: 20170208 |