CN105161120B - Original vocal accompaniment changing method and device - Google Patents
Original vocal accompaniment changing method and device Download PDFInfo
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- CN105161120B CN105161120B CN201510542924.9A CN201510542924A CN105161120B CN 105161120 B CN105161120 B CN 105161120B CN 201510542924 A CN201510542924 A CN 201510542924A CN 105161120 B CN105161120 B CN 105161120B
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Abstract
The invention discloses a kind of former vocal accompaniment changing method and device, belong to network technique field.Methods described includes：When the accompaniment playing request to specifying song is received, the twin track file bag based on the specified song plays accompaniment audio file by the first track, and the twin track file bag includes the accompaniment audio file and voice audio file；When the first assigned operation is detected, the voice audio file is played by the second track, it is original singer's pattern that first assigned operation is used for current vocal accompaniment pattern switching.Broadcasting by controlling voice audio file of the invention, realize former vocal accompaniment switching, by the twin track file bag that generates voice audio file and accompaniment audio file as played file so that loading velocity is accelerated, at the same also have take memory space it is small, beneficial to downloading the characteristics of.
Description
Technical field
The present invention relates to network technique field, more particularly to a kind of former vocal accompaniment changing method and device.
Background technology
With the popularization of network technology, service provider services more and more by the multimedia application that network is provided, in magnanimity
In multimedia file, song again because its have the time it is short, it is convenient obtain and the features such as committed memory is small, used by all age group
The favor at family.And with the development of network technology, user has been not content with and only song is listened to, therefore, many many matchmakers
K song functions are increased in body application, also there are many K songs to arise at the historic moment, the former vocal accompaniment that user can be sung in application by K is cut
Function is changed, original singer's audio file or accompaniment audio file are played in selection.
At present, former vocal accompaniment changing method can be：The original singer's audio file for specifying song is played by different sound track synchronizations
And accompaniment audio file, when the operation for being switched to original singer is detected, the broadcasting of accompaniment track is played in control audio frequency apparatus regulation
Volume is 0, while the broadcast sound volume for adjusting broadcasting original singer's track is maximum；When the operation for being switched to accompaniment is detected, control
The broadcast sound volume that original singer's track is played in audio frequency apparatus regulation is 0, while the broadcast sound volume for adjusting broadcasting accompaniment track is maximum.
Realize it is of the invention during, inventor find prior art at least there is problems with：
When former vocal accompaniment switching service is provided, original singer's audio file and accompaniment audio file are provided simultaneously, and broadcasting
To synchronize broadcasting when putting to original singer's audio file and accompaniment audio file, therefore have that committed memory is big, be unfavorable for downloading
The problems such as.
The content of the invention
In order to solve problem of the prior art, a kind of former vocal accompaniment changing method and device, institute are the embodiment of the invention provides
State technical scheme as follows：
On the one hand, there is provided a kind of former vocal accompaniment changing method, methods described includes：
When the accompaniment playing request to specifying song is received, the twin track file bag based on the specified song passes through
First track plays accompaniment audio file, and the twin track file bag includes the accompaniment audio file and voice audio file；
When the first assigned operation is detected, the voice audio file is played by the second track, first assigned operation
For being original singer's pattern by current vocal accompaniment pattern switching.
In the first possible implementation of the first aspect of the present invention, cross the second track and play the voice audio file
Afterwards, the method also includes：
When the second assigned operation is detected, the broadcasting of the second track is closed, second assigned operation is used for will be current former
Pattern switching is sung for vocal accompaniment pattern.
In second possible implementation of the first aspect of the present invention, the twin track file based on the specified song
Bag, before playing accompaniment audio file by the first track, the method also includes：
Original singer's audio file and accompaniment audio file according to the specified song, obtain the voice audio file；
The accompaniment audio file and the voice audio file are packed, the twin track file bag is obtained.
In the third possible implementation of the first aspect of the present invention, the basis specifies original singer's audio file of song
And accompaniment audio file, obtaining the voice audio file includes：
Original singer's audio-frequency fingerprint information of the specified song is extracted, original singer's audio-frequency fingerprint information is according to original singer's audio file
Obtain；
According to original singer's audio-frequency fingerprint information, from song database, determine that audio-frequency fingerprint information refers to original singer's audio
The audio file of line information matches, the accompaniment audio file is defined as by the audio file；
Calculate original singer's audio signal in original singer's audio file and the audio accompaniment signal in the accompaniment audio file
Time shift deviator；
By the time shift deviator, original singer's audio signal of aliging and the audio accompaniment signal；
Obtain the difference section between original singer's audio signal and the audio accompaniment signal；
According to the difference section, the voice audio file is generated.
In the 4th kind of possible implementation of the first aspect of the present invention, this generates the voice according to the difference section
Audio file includes：
The difference section is compressed to default code check, the voice audio file is obtained.
On the other hand, there is provided a kind of former vocal accompaniment switching device, described device includes：
First playing module, for when the accompaniment playing request to specifying song is received, based on the specified song
Twin track file bag, by the first track play accompaniment audio file, the twin track file bag include the accompaniment audio file and
Voice audio file；
Second playing module, for when the first assigned operation is detected, people's sound audio text being played by the second track
Part, it is original singer's pattern that first assigned operation is used for current vocal accompaniment pattern switching.
In the first possible implementation of the second aspect of the present invention, the device also includes：
Processing module, for when the second assigned operation is detected, closing the broadcasting of the second track, second assigned operation
For being vocal accompaniment pattern by current original singer's pattern switching.
In second possible implementation of the second aspect of the present invention, the device also includes：
Acquisition module, for original singer's audio file and accompaniment audio file according to the specified song, obtains people's sound
Frequency file；
Packetization module, for being packed to the accompaniment audio file and the voice audio file, obtains twin track text
Part bag.
In the third possible implementation of the second aspect of the present invention, the acquisition module is used for：
Original singer's audio-frequency fingerprint information of the specified song is extracted, original singer's audio-frequency fingerprint information is according to original singer's audio file
Obtain；
According to original singer's audio-frequency fingerprint information, from song database, determine that audio-frequency fingerprint information refers to original singer's audio
The audio file of line information matches, the accompaniment audio file is defined as by the audio file；
Calculate original singer's audio signal in original singer's audio file and the audio accompaniment signal in the accompaniment audio file
Time shift deviator；
By the time shift deviator, original singer's audio signal of aliging and the audio accompaniment signal；
Obtain the difference section between original singer's audio signal and the audio accompaniment signal；
According to the difference section, the voice audio file is generated.
In the 4th kind of possible implementation of the second aspect of the present invention, the acquisition module is used for：
The difference section is compressed to default code check, the voice audio file is obtained.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
By controlling the broadcasting of voice audio file, former vocal accompaniment switching is realized, by by voice audio file and accompaniment tone
The twin track file bag of frequency file generation is used as played file so that loading velocity is accelerated, while also have to take storing
Space is small, beneficial to downloading the characteristics of.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of former vocal accompaniment changing method flow chart provided in an embodiment of the present invention；
Fig. 2 is a kind of former vocal accompaniment changing method flow chart provided in an embodiment of the present invention；
Fig. 3 is a kind of former vocal accompaniment switching device block diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of former vocal accompaniment switching device structural representation provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent and the consistent all implementation methods of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Fig. 1 is a kind of former vocal accompaniment changing method flow chart provided in an embodiment of the present invention, as shown in figure 1, including following step
Suddenly：
101st, when the accompaniment playing request to specifying song is received, the twin track file bag based on the specified song,
Accompaniment audio file is played by the first track, the twin track file bag includes the accompaniment audio file and voice audio file.
102nd, when the first assigned operation is detected, the voice audio file is played by the second track, this first specify
Operate for being original singer's pattern by current vocal accompaniment pattern switching.
Method provided in an embodiment of the present invention, by controlling the broadcasting of voice audio file, realizes former vocal accompaniment switching, passes through
The twin track file bag that voice audio file and accompaniment audio file are generated is used as played file so that loading velocity is added
Hurry up, at the same also have take memory space it is small, beneficial to download the characteristics of.
In the first possible implementation of the invention, after playing the voice audio file by the second track, should
Method also includes：
When the second assigned operation is detected, the broadcasting of the second track is closed, second assigned operation is used for will be current former
Pattern switching is sung for vocal accompaniment pattern.
In second of the invention possible implementation, the twin track file bag based on the specified song, by first
Before track plays accompaniment audio file, the method also includes：
Original singer's audio file and accompaniment audio file according to the specified song, obtain the voice audio file；
The accompaniment audio file and the voice audio file are packed, the twin track file bag is obtained.
In the third possible implementation of the invention, the basis specifies original singer's audio file and audio accompaniment of song
File, obtaining the voice audio file includes：
Original singer's audio-frequency fingerprint information of the specified song is extracted, original singer's audio-frequency fingerprint information is according to original singer's audio file
Obtain；
According to original singer's audio-frequency fingerprint information, from song database, determine that audio-frequency fingerprint information refers to original singer's audio
The audio file of line information matches, the accompaniment audio file is defined as by the audio file；
Calculate original singer's audio signal in original singer's audio file and the audio accompaniment signal in the accompaniment audio file
Time shift deviator；
By the time shift deviator, original singer's audio signal of aliging and the audio accompaniment signal；
Obtain the difference section between original singer's audio signal and the audio accompaniment signal；
According to the difference section, the voice audio file is generated.
In the 4th kind of possible implementation of the invention, this generates the voice audio file bag according to the difference section
Include：
The difference section is compressed to default code check, the voice audio file is obtained.
Above-mentioned all optional technical schemes, can form the alternative embodiment of the disclosure, herein no longer using any combination
Repeat one by one.
Fig. 2 is a kind of former vocal accompaniment changing method flow chart provided in an embodiment of the present invention, and referring to Fig. 2, the method includes：
201st, according to the original singer's audio file and accompaniment audio file for specifying song, voice audio file is obtained.
Original singer's audio file is the audio file for including accompaniment and voice, in original singer's audio file of any song of acquisition
The method of people's sound audio can include following steps：
Step one, the original singer's audio-frequency fingerprint information for obtaining the specified song, original singer's audio-frequency fingerprint information is according to the original singer
Audio file is obtained.
Audio-frequency fingerprint algorithm is a kind of audio signal processing technique, and any song audio signal is extracted according to audio-frequency fingerprint algorithm
Audio-frequency fingerprint information, the audio-frequency fingerprint information is the audio frequency characteristics with time attribute, and audio-frequency fingerprint information can be as
The unique identification information of the audio file with identical melody, that is to say, the audio-frequency fingerprint letter of original singer's audio of same song
Breath has uniformity with the audio-frequency fingerprint information of audio accompaniment in the range of certain error.
Obtaining the audio-frequency fingerprint algorithm of audio-frequency fingerprint information can be：By Fast Fourier Transform (FFT) by the sound of any song
Frequency signal transforms from the time domain to frequency domain, and obtains spectrogram, and the spectrogram is a 3-D view, including time, frequency and energy
Three parameters of amount, obtain a series of mark points from the spectrogram, and the mark point is the energy peak in spectrogram, by connection
These mark points construct the audio-frequency fingerprint information of the audio signal of the song.
It should be noted that obtain the audio-frequency fingerprint information of the audio signal of the song audio-frequency fingerprint algorithm must and sound
The audio-frequency fingerprint algorithm that audio-frequency fingerprint information is extracted in frequency fingerprint database is identical, and the parameter setting in audio-frequency fingerprint algorithm
It is identical, on the premise of this condition is met, in addition to using above-mentioned audio-frequency fingerprint algorithm, it would however also be possible to employ other audio-frequency fingerprints
Algorithm, the embodiment of the present invention is not construed as limiting to this.
It should be noted that the audio fingerprint database is used to store the corresponding original singer's audio-frequency fingerprint letter of each song identity
Breath and audio accompaniment finger print information, wherein, song identity can be as index information, in order to be obtained from the database and song
The corresponding finger print information of song mark.
Step 2, according to original singer's audio-frequency fingerprint information, from song database, determine audio-frequency fingerprint information and the original singer
The audio file of audio-frequency fingerprint information matches, the accompaniment audio file is defined as by the audio file.
The content stored in the song database can include：The corresponding original singer's audio file of song identity, audio accompaniment
The song information of file and the song, such as song title, singer's name and album name；Wherein, song identity can be as index
Information, in order to obtain corresponding audio file from the song database.
If server does not safeguard audio fingerprint database, can be by audio-frequency fingerprint algorithm extraction song database
The audio-frequency fingerprint information of audio accompaniment, obtain with the audio accompaniment finger print information of original singer's audio-frequency fingerprint information match, will be in
The corresponding accompaniment audio file of audio accompaniment finger print information is defined as the accompaniment audio file of the song.
When server maintains audio fingerprint database, then can be when the play operation to song be received, from sound
In frequency fingerprint database, the corresponding original singer's audio-frequency fingerprint information of song identity is obtained, according to original singer's audio-frequency fingerprint information and should
Audio accompaniment finger print information, then carry out subsequent match process.
It should be noted that song database and audio fingerprint database can also be merged into an audio information data
Storehouse, the audio information database includes the audio-frequency fingerprint information of the corresponding audio file of song identity and correspondence audio file,
Such that it is able to pass through the audio fingerprint database obtain audio-frequency fingerprint information and audio file, with matching speed it is fast the characteristics of.
Further, in order to accelerate to determine the speed of accompaniment audio file, can also be by intercepting original singer's audio file in
The audio fragment of certain time length, obtains corresponding clip audio finger print information, is matched with audio accompaniment finger print information, will deposit
It is defined as the accompaniment audio file of original singer's audio file in the accompaniment audio file of the fragment finger print information.
Audio accompaniment in step 3, the original singer's audio signal and the accompaniment audio file for calculating in original singer's audio file
The time shift deviator of signal, by the time shift deviator, original singer's audio signal of aliging and the audio accompaniment signal obtain original singer's sound
Difference section between frequency signal and the audio accompaniment signal.
The time shift deviator refers between original singer's audio signal of any song and the audio initial time of audio accompaniment signal
Time difference, by determining the initial time of original singer's audio signal and the initial time of the audio accompaniment signal, audio letter
Number initial time can be defined as the spectral energy values of audio signal and start from scratch the time for changing, calculate original singer's sound
The time shift deviator of frequency signal and the audio accompaniment signal.
According to the time shift deviator, by original singer's audio signal and audio accompaniment signal alignment after, obtain original singer's audio letter
Number and the audio accompaniment signal difference section, the difference section can be determined by audio volume control, it is also possible to by frequency spectrum energy
The mode for measuring difference determines the difference section, and to the determination method of the difference section, the embodiment of the present invention is not construed as limiting.
Step 4, according to the difference section, generate the voice audio file.
The difference section is compressed to default code check, the voice audio file is obtained.Code check is audio signal
The sample rate of data signal is converted into by analog signal, sample rate more high tone quality is better, for original singer's audio signal and accompaniment tone
The music signals such as frequency signal need code check higher just to can guarantee that its tonequality, and for this voice signal of people's sound audio signals,
Code check is reduced within the specific limits, can be saved memory space and its tonequality will not be influenced too much, therefore, by by people
Sound audio signals are compressed to low bit- rate, generate voice audio file, the memory space of voice audio file can be reduced, so that more
Downloaded beneficial to user.
202nd, the accompaniment audio file and the voice audio file are packed, obtains twin track file bag.
It is treated that the process that this pair accompaniment audio file and the voice audio file are packed is related to file packing
Journey, the embodiment of the present invention is not repeated this.
203rd, when the accompaniment playing request to the specified song is received, the twin track file based on the specified song
Bag, the accompaniment audio file is played by the first track, and the twin track file bag includes the accompaniment audio file and people's sound
Frequency file.
When any multimedia application with original vocal accompaniment handoff functionality is in opening, the multimedia application can be with root
Played according to the selection of user and specify multimedia file, that is to say, when the multimedia application is received to any multimedia file
During playing request, the multimedia file is played in the multimedia application；When the multimedia application is received to any song
During accompaniment playing request, the accompaniment tone in the twin track file bag of the song is played by the first track in the multimedia application
Frequency file.
Further, while the accompaniment audio file in playing twin track file bag by the first track, can be with
The voice audio file in the twin track file bag is played with mute state by the second track.
204th, when the first assigned operation is detected, the voice audio file is played by the second track, this first specify
Operate for being original singer's pattern by current vocal accompaniment pattern switching.
In the broadcast interface of any multimedia application with original vocal accompaniment handoff functionality, former accompaniment function switching figure is provided with
Mark, user can realize the switching of original singer's pattern and vocal accompaniment pattern by clicking on the icon, and specific method can be：When detecting
User by play mode from vocal accompaniment pattern switching to original singer's pattern when, judge whether the second track is playing this pair with mute state
Voice audio file in audio track files bag.
When second track does not play the voice audio file in the twin track file bag with mute state, by the double-tone
Voice audio file in rail file bag is loaded onto the broadcasting buffer of the second track, and with the currently playing of accompaniment audio file
Time, as starting point is played, the voice audio file is played in second track.
When second track is in the voice audio file during the twin track file bag is played with mute state, can pass through
Volume control module opens broadcast sound volume, that is to say, when original singer's playing request of user is detected, triggering volume control mould
Block, by the broadcast sound volume of second track from zero adjustment to default volume, the default volume can be to work as to the volume control module
Preceding second track plays the volume, or system default default value of accompaniment audio file, and the embodiment of the present invention is not made to this
Limit.
205th, when the second assigned operation is detected, the broadcasting of the second track is closed, second assigned operation is used for ought
Preceding original singer's pattern switching is vocal accompaniment pattern.
Volume can be closed and realized by the broadcasting of the track of closing second by volume control module, it is also possible to by removing
The voice audio file that current second track is played in buffer is realized.
The present invention realizes former vocal accompaniment switching by controlling the broadcasting of voice audio file, by by voice audio file and
The twin track file bag of accompaniment audio file generation is used as played file so that loading velocity is accelerated, while also have accounting for
With memory space it is small, beneficial to download the characteristics of；Further, corresponding voice is obtained by the method for audio-frequency fingerprint information matches
Audio signal, by the audio signal carry out low-bit-rate compact formed voice audio file, with accuracy rate it is high the characteristics of, and due to
The characteristics of voice audio file has occupancy memory space small, therefore the speed to load document in track can also be improved.
Fig. 3 is a kind of former vocal accompaniment switching device block diagram provided in an embodiment of the present invention.Reference picture 3, the device includes first
The playing module 302 of playing module 301 and second.
First playing module 301, for when the accompaniment playing request to specifying song is received, based on the specified song
Twin track file bag, by the first track play accompaniment audio file, the twin track file bag include the accompaniment audio file
With voice audio file；
Second playing module 302, for when the first assigned operation is detected, people's sound audio being played by the second track
File, it is original singer's pattern that first assigned operation is used for current vocal accompaniment pattern switching.
In the first possible implementation that the present invention is provided, the device also includes：
Processing module, for when the second assigned operation is detected, closing the broadcasting of the second track, second assigned operation
For being vocal accompaniment pattern by current original singer's pattern switching.
In second possible implementation that the present invention is provided, the device also includes：
Acquisition module, for original singer's audio file and accompaniment audio file according to the specified song, obtains people's sound
Frequency file；
Packetization module, for being packed to the accompaniment audio file and the voice audio file, obtains twin track text
Part bag.
In the third possible implementation that the present invention is provided, the acquisition module is used for：
Original singer's audio-frequency fingerprint information of the specified song is extracted, original singer's audio-frequency fingerprint information is according to original singer's audio file
Obtain；
According to original singer's audio-frequency fingerprint information, from song database, determine that audio-frequency fingerprint information refers to original singer's audio
The audio file of line information matches, the accompaniment audio file is defined as by the audio file；
Calculate original singer's audio signal in original singer's audio file and the audio accompaniment signal in the accompaniment audio file
Time shift deviator；
By the time shift deviator, original singer's audio signal of aliging and the audio accompaniment signal；
Obtain the difference section between original singer's audio signal and the audio accompaniment signal；
According to the difference section, the voice audio file is generated.
In the 4th kind of possible implementation that the present invention is provided, the acquisition module is used for：
The difference section is compressed to default code check, the voice audio file is obtained.
It should be noted that：The original that above-described embodiment is provided accompanies switching device in the former vocal accompaniment handoff functionality of triggering, only
Carried out with the division of above-mentioned each functional module for example, in practical application, can as needed and by above-mentioned functions distribution by
Different functional module is completed, will the internal structure of device be divided into different functional modules, it is described above complete to complete
Portion or partial function.In addition, the former vocal accompaniment switching device that above-described embodiment is provided belongs to original vocal accompaniment changing method embodiment
Same design, it implements process and refers to embodiment of the method, repeats no more here.
Fig. 4 is a kind of former vocal accompaniment switching device structural representation provided in an embodiment of the present invention.For example, device 400 can be with
It is provided as a server.Reference picture 4, device 400 includes processing assembly 422, and it further includes one or more processors,
And the memory resource as representated by memory 432, can for example should by the instruction of the execution of processing component 422 for storing
Use program.In memory 432 store application program can include it is one or more each correspond to one group of instruction
Module.Additionally, processing assembly 422 is configured as execute instruction, to perform above-mentioned former vocal accompaniment changing method.
Device 400 can also include that a power supply module 426 is configured as the power management of performs device 400, and one has
Line or radio network interface 450 are configured as device 400 being connected to network, and input and output (I/O) interface 458.Dress
Putting 400 can operate based on the operating system stored in memory 432, such as Windows ServerTM, Mac OS XTM,
UnixTM,LinuxTM, FreeBSDTMOr it is similar.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, it is also possible to instruct the hardware of correlation to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. a kind of former vocal accompaniment changing method, it is characterised in that methods described includes：
The original singer's audio-frequency fingerprint information for specifying song is extracted, original singer's audio-frequency fingerprint information is obtained according to original singer's audio file；
According to original singer's audio-frequency fingerprint information, from song database, determine that audio-frequency fingerprint information refers to original singer's audio
The audio file of line information matches, accompaniment audio file is defined as by the audio file；
Calculate audio accompaniment signal in the original singer's audio signal and the accompaniment audio file in original singer's audio file
Time shift deviator；
By the time shift deviator, align original singer's audio signal and the audio accompaniment signal；
Obtain the difference section between original singer's audio signal and the audio accompaniment signal；
According to the difference section, voice audio file is generated；
The accompaniment audio file and the voice audio file are packed, twin track file bag is obtained；
When the accompaniment playing request to specifying song is received, the twin track file bag based on the specified song, by the
One track plays the accompaniment audio file, and the twin track file bag includes the accompaniment audio file and people's sound audio
File；
When the first assigned operation is detected, the voice audio file, first assigned operation are played by the second track
For being original singer's pattern by current vocal accompaniment pattern switching.
2. method according to claim 1, it is characterised in that by the second track play the voice audio file it
Afterwards, methods described also includes：
When the second assigned operation is detected, the broadcasting of the second track is closed, second assigned operation is used for current original singer
Pattern switching is vocal accompaniment pattern.
3. method according to claim 1, it is characterised in that described according to the difference section, generation people sound audio text
Part includes：
The difference section is compressed to default code check, the voice audio file is obtained.
4. a kind of former vocal accompaniment switching device, it is characterised in that described device includes：
Acquisition module, the original singer's audio-frequency fingerprint information for extracting specified song, original singer's audio-frequency fingerprint information is according to original singer
Audio file is obtained；According to original singer's audio-frequency fingerprint information, from song database, determine audio-frequency fingerprint information with the original
The audio file of audio-frequency fingerprint information matches is sung, the audio file is defined as accompaniment audio file；Calculate original singer's sound
The time shift deviator of the audio accompaniment signal in original singer's audio signal and the accompaniment audio file in frequency file；By it is described when
Deviator is moved, align original singer's audio signal and the audio accompaniment signal；Obtain original singer's audio signal and the accompaniment
Difference section between audio signal；According to the difference section, voice audio file is generated；
Packetization module, for being packed to the accompaniment audio file and the voice audio file, obtains twin track file
Bag；
First playing module, for when the accompaniment playing request to the specified song is received, based on the specified song
Twin track file bag, by the first track play accompaniment audio file, the twin track file bag include the audio accompaniment
File and the voice audio file；
Second playing module, for when the first assigned operation is detected, the voice audio file being played by the second track,
It is original singer's pattern that first assigned operation is used for current vocal accompaniment pattern switching.
5. device according to claim 4, it is characterised in that described device also includes：
Processing module, for when the second assigned operation is detected, closing the broadcasting of the second track, second assigned operation is used
In by current original singer's pattern switching be vocal accompaniment pattern.
6. device according to claim 4, it is characterised in that the acquisition module is used for：
The difference section is compressed to default code check, the voice audio file is obtained.
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| CN106448637B (en) * | 2016-10-21 | 2018-09-04 | 广州酷狗计算机科技有限公司 | A kind of method and apparatus sending audio data |
| CN106558299A (en) * | 2016-12-01 | 2017-04-05 | 广州酷狗计算机科技有限公司 | The mode switching method and device of audio rendition |
| CN106898369A (en) * | 2017-02-23 | 2017-06-27 | 上海与德信息技术有限公司 | A kind of method for playing music and device |
| CN109903745B (en) * | 2017-12-07 | 2021-04-09 | 北京雷石天地电子技术有限公司 | Method and system for generating accompaniment |
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