CN105825844A - Sound repairing method and device - Google Patents
Sound repairing method and device Download PDFInfo
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- CN105825844A CN105825844A CN201510469290.9A CN201510469290A CN105825844A CN 105825844 A CN105825844 A CN 105825844A CN 201510469290 A CN201510469290 A CN 201510469290A CN 105825844 A CN105825844 A CN 105825844A
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Abstract
The embodiment of the present invention provides a sound repairing method and device. The method comprises a step of obtaining the song audio of a user, a step of converting the song audio into a digital music score, a step of obtaining the characteristic of the song audio, and obtaining a standard music score with a same characteristic according to the characteristic, a step of comparing the digital music score and the standard music score, and determining the difference between the digital music score and the standard music score, and a step of repairing the digital music score according to the difference. The embodiment of the present invention provides the sound repairing method and device, the condition of correcting the out of tune of the singing of a user in a mobile terminal is realized, and the later sound repair processing can be conveniently and quickly carried out.
Description
Technical field
The present invention relates to audio signal processing technique field, particularly relate to a kind of method and apparatus repairing sound.
Background technology
K song is the mode that people divert oneself, but owing to different people is uneven to the perception of musicality and melody, the situation that out of tune or rhythm does not catches up with happens occasionally, and has a strong impact on the mood of singing.
Solve now the out of tune or method not catching up with rhythm, can only be to find professional recording canopy to carry out the later stage to repair sound and process, out of tune to revise.Although the professional higher of sound is repaiied in recording studio, but under the restriction of, the condition such as manufacturing cost is high longer at fabrication cycle, general public is the most beyond affordability, and the interest-degree causing people K to sing declines.
Therefore, a technical problem that those skilled in the art urgently solve is presently required is exactly, and how can realize the conveniently later stage when singing and repair sound and process.
Summary of the invention
The embodiment of the present invention provides a kind of method and apparatus repairing sound, can only go to recording studio that audio frequency is repaiied sound, to correct technical problem out of tune solving user.
In order to solve the problems referred to above, the embodiment of the invention discloses a kind of method repairing sound, including:
Obtain the song audio of user；
Change described song audio into numeric music notation；
Obtain the feature of described song audio, and according to described feature, obtain the standard music score with identical described feature；
Relatively described numeric music notation and described standard music score, determine the difference of described numeric music notation and described standard music score；
According to numeric music notation described in described difference correction.
Preferably, the described numeric music notation of described comparison and described standard music score, determine the difference of described numeric music notation and described standard music score, including:
Relatively at least one in speed, beat or the pitch frequencies of described numeric music notation and described standard music score, it is thus achieved that at least one difference in speed difference, beat difference or pitch frequencies difference.
Preferably, in the step of the described song audio obtaining user, described song audio is dry sound.
Preferably, the feature of the described song audio of described acquisition, and according to described feature, the step obtaining the standard music score with identical described feature includes:
Obtaining title of the song and original singer's name of described song audio, obtain corresponding standard music score by described title of the song with original singer's name, described standard music score is numeric music notation.
Preferably, the described step according to numeric music notation described in described difference correction, including:
According to speed difference, beat difference and pitch frequencies difference, the staff of described standard music score shows described difference；
Receive the revision directive of user, revise described song audio.
Embodiments provide a kind of device repairing sound, including:
Song frequency acquisition module, for obtaining the song audio of user；
Modular converter, is used for changing described song audio into numeric music notation；
Standard music score acquisition module, for obtaining the feature of described song audio, and according to described feature, obtains the standard music score with identical described feature；
Comparison in difference module, for relatively described numeric music notation and described standard music score, determines the difference of described numeric music notation and described standard music score；
Music score correcting module, for according to numeric music notation described in described difference correction.
Preferably, described comparison in difference module is specifically for, relatively at least one in speed, beat or the pitch frequencies of described numeric music notation and described standard music score, it is thus achieved that at least one difference in speed difference, beat difference or pitch frequencies difference.
Preferably, in described song frequency acquisition module, described song audio is dry sound.
Preferably, described standard music score acquisition module specifically for, obtain title of the song and original singer's name of described song audio, obtain corresponding standard music score by described title of the song and original singer's name, described standard music score is numeric music notation.
Preferably, described music score correcting module includes:
Difference display unit, for according to speed difference, beat difference and pitch frequencies difference, shows described difference on the staff of described standard music score；
Amending unit, for receiving the revision directive of user, revises described song audio.
A kind of method and apparatus repairing sound that the embodiment of the present invention provides, by obtaining the song audio of user, conversion song audio is converted to numeric music notation；Obtain the feature of song audio, and according to the feature of song audio, obtain the standard music score with same characteristic features；Relatively numeric music notation and standard music score, determine the difference of numeric music notation and standard music score；Numeric music notation is repaiied sound according to difference, sing situation out of tune it is achieved thereby that correct user on mobile terminals, it is possible to conveniently the later stage repaiies sound and processes.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of method repairing sound that the embodiment of the present invention one provides；
Fig. 2 a is the schematic diagram of the numeric music notation that the embodiment of the present invention one provides；
Fig. 2 b is the schematic diagram of the standard music score that the embodiment of the present invention one provides；
Fig. 3 is the schematic flow sheet of a kind of method repairing sound that the embodiment of the present invention two provides；
Fig. 4 is the structural representation of a kind of device repairing sound that the embodiment of the present invention three provides；
Fig. 5 is the structural representation of a kind of device repairing sound that the embodiment of the present invention four provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one provides a kind of method repairing sound, as it is shown in figure 1, this method repairing sound may comprise steps of:
Step S101, obtains the song audio of user.
In this step, mobile terminal can obtain the song audio of user by mike, and this song audio can be dry sound, and dry sound is also called naked sound, belongs to audio frequency term, processes and the original voice of processing without any later stage after referring generally to recording.In embodiments of the present invention, mobile terminal can be to have sound-recording function, storage audio-frequency function and the electronic equipment of AF playing function, such as, mobile phone, panel computer.
Step S102, changes song audio into numeric music notation.
In this step, can be processed by frequency spectrum, power, zero passage etc. and this song audio is converted into numeric music notation, numeric music notation can include the information such as song tempo, melody pitch, beat, dynamics relation.
Step S103, obtains the feature of song audio, and according to feature, obtains the standard music score with same characteristic features.
In this step, standard music score is the music score sung fully according to music score and/or play, and popular saying is exactly music score the most out of tune.The feature of this song audio may include that title of the song, original singer's name and version, such as title of the song are " 10 years ", original singer entitled " Chen Yixun ", and version is recording refractory slab.The feature of song audio can also include turning over singing hands name.Can search the standard music score with same characteristic features in the local Qu Ku of mobile terminal according to features described above, standard music score can be the music score that original singer sings.Local Qu Ku can also store the standard music score of the different editions that a singer sings, such as, recording refractory slab, on-the-spot version, concert version etc., in general, recording studio version music score tonequality is better than on-the-spot version music score tonequality, therefore, when there is the standard music score of multiple version in local music score, can be with the best music score of prioritizing selection tonequality, such as recording studio music score.
Step S104, compares numeric music notation and standard music score, determines the difference of numeric music notation and standard music score.
In this step, can judge that numeric music notation is the most out of tune by comparing numeric music notation and the rhythm of standard music score and pitch.What rhythm represented is music speed and fierceness delay soft degree, and rhythm can include speed and beat two parts.Therefore, at least one in numeric music notation and the speed of standard music score, beat and pitch can there are differences.Concrete, can be at least one during numeric music notation and the speed of standard music score, beat or pitch frequencies are compared in mobile terminal this locality, it is thus achieved that at least one difference in speed difference, beat difference or pitch frequencies difference.If not there are differences between numeric music notation and standard music score, or speed difference, beat difference or pitch frequencies difference are in the difference range allowed, then can need not the prompting of tuning to user feedback.
Step S105, according to difference correction numeric music notation.
In this step, according to difference, numeric music notation can be repaiied sound in mobile terminal this locality, to realize between numeric music notation and standard music score without difference, namely numeric music notation out of tune is modified.In embodiments of the present invention, difference can be shown according to speed difference, beat difference and pitch frequencies difference on the staff of standard music score；Receiving the revision directive of user, revise song audio, the revision directive of user can be to be modified whole differences, it is achieved a key repaiies sound, it is also possible to be to repair partial difference, member-retaining portion difference, it is achieved that sound is repaiied in personalization.
The numeric music notation schematic diagram that Fig. 2 a provides for the embodiment of the present invention one, the standard music score schematic diagram that Fig. 2 b provides for the embodiment of the present invention one, through comparing it appeared that, in Fig. 2 a, the note in circle is different from the note of the relevant position in Fig. 2 b, the namely part out of tune of numeric music notation, it is thus desirable to the note in circle in Fig. 2 a is repaiied sound, the note in circle is revised as the note of relevant position in Fig. 2 b, it is achieved note out of tune is repaiied sound.In the embodiment of the present invention one, automatically according to difference, numeric music notation can will be repaiied sound, it is also possible to difference is shown to user, it is allowed to user manually repaiies sound.During manually repairing sound, can allow user that note single in melody is manually adjusted, under the rhythm of melody with standard music score contrasts, by oneself individual demand, rhythm and pitch can be carried out manual single regulation.Manually repair the mode of sound it may be that realize repairing sound by the note locations adjusting in staff.The note different from standard music score can be adjusted, it is also possible to adjust the note of standard music score, it is achieved the variation melody song on the basis of former song.
A kind of method repairing sound provided by the embodiment of the present invention one, it is achieved that correct user on mobile terminals and sing situation out of tune, it is possible to audio frequency carries out the conveniently later stage to be repaiied sound and process.
Embodiment two
Owing to the local internal memory of mobile terminal is less, the standard audio negligible amounts of storage, it is possible to exist and search the situation less than standard audio, for solving this technical problem, the embodiment of the present invention two provides a kind of method repairing sound, as it is shown on figure 3, may comprise steps of:
Step S301, the performance audio frequency of acquisition for mobile terminal user.
Step S302, the feature of acquisition for mobile terminal song audio, and change song audio into numeric music notation.
Step S303, feature and numeric music notation are uploaded to high in the clouds by mobile terminal.
Step S304, high in the clouds receives numeric music notation and feature, and compares numeric music notation and standard music score, determines the difference of numeric music notation and standard music score.
In this step, high in the clouds receives numeric music notation, according to feature, obtains the standard music score with same characteristic features；Relatively numeric music notation and standard music score, determine the difference of numeric music notation and standard music score；And to mobile terminal fed back difference.Therefore, there is no need to, at local cache standard music score, release locally stored space.
Step S305, difference is fed back to mobile terminal by high in the clouds.
Step S306, mobile terminal receives difference, and according to difference correction numeric music notation.
A kind of method repairing sound provided by the embodiment of the present invention two, can be saved in high in the clouds by standard music score, it is not necessary to take the local resource of mobile terminal, ensures and finds standard music score, to realize numeric music notation is repaiied sound.
Embodiment three
Embodiments provide a kind of mobile terminal repairing sound, can perform above-described embodiment one repaiies sound method, as shown in Figure 4, this mobile terminal repairing sound can include with lower module: song frequency acquisition module 41, modular converter 42, standard music score acquisition module 43, comparison in difference module 44 and music score correcting module 45.
Song frequency acquisition module 41, for obtaining the song audio of user；Modular converter 42, is used for changing song audio into numeric music notation；Standard music score acquisition module 43, for obtaining the feature of song audio, and according to feature, obtains the standard music score with same characteristic features；Comparison in difference module 44, is used for comparing numeric music notation and standard music score, determines the difference of numeric music notation and standard music score；Music score correcting module 45, for according to difference correction numeric music notation.
In song frequency acquisition module 41, mobile terminal can obtain the song audio of user by mike, and this song audio can be dry sound, and dry sound is also called naked sound, belong to audio frequency term, process and the original voice of processing without any later stage after referring generally to recording.In embodiments of the present invention, mobile terminal can be to have sound-recording function, storage audio-frequency function and the electronic equipment of AF playing function, such as, mobile phone, panel computer.
In modular converter 42, can be processed by frequency spectrum, power, zero passage etc. and this song audio is converted into numeric music notation, numeric music notation can include the information such as song tempo, melody pitch, beat, dynamics relation.
In standard music score acquisition module 43, standard music score is the music score sung fully according to music score and/or play, and popular says music score the most out of tune.The feature of this song audio may include that title of the song, original singer's name and version, such as title of the song are " 10 years ", original singer entitled " Chen Yixun ", and version is recording refractory slab.The feature of song audio can also include turning over singing hands name.Can search the standard music score with same characteristic features in the local Qu Ku of mobile terminal according to features described above, standard music score can be the music score that original singer sings.Local Qu Ku can also store the standard music score of the different editions that a singer sings, such as, recording refractory slab, on-the-spot version, concert version etc., in general, recording studio version music score tonequality is better than on-the-spot version music score tonequality, therefore, when there is the standard music score of multiple version in local music score, can be with the best music score of prioritizing selection tonequality, such as recording studio music score.
In comparison in difference module 44, can judge that numeric music notation is the most out of tune by comparing numeric music notation and the rhythm of standard music score and pitch.What rhythm represented is music speed and fierceness delay soft degree, and rhythm can include speed and beat two parts.Therefore, at least one in numeric music notation and the speed of standard music score, beat and pitch can there are differences.Concrete, can be at least one during numeric music notation and the speed of standard music score, beat or pitch frequencies are compared in mobile terminal this locality, it is thus achieved that at least one difference in speed difference, beat difference or pitch frequencies difference.If not there are differences between numeric music notation and standard music score, or speed difference, beat difference or pitch frequencies difference are in the difference range allowed, then can need not the prompting of tuning to user feedback
In music score correcting module 45, according to difference, numeric music notation can be repaiied sound in mobile terminal this locality, to realize between numeric music notation and standard music score without difference, namely numeric music notation out of tune is modified.In embodiments of the present invention, difference can be shown according to speed difference, beat difference and pitch frequencies difference on the staff of standard music score；Receiving the revision directive of user, revise song audio, the revision directive of user can be to be modified whole differences, it is achieved a key repaiies sound, it is also possible to be to repair partial difference, member-retaining portion difference, it is achieved that sound is repaiied in personalization.
A kind of mobile terminal repairing sound provided by the embodiment of the present invention three, it is achieved that correct user on mobile terminals and sing situation out of tune, it is possible to audio frequency carries out the conveniently later stage to be repaiied sound and process.
Embodiment four
Owing to the local internal memory of mobile terminal is less, the standard audio negligible amounts of storage, it is possible to exist and search the situation less than standard audio, for solving this technical problem, as it is shown in figure 5, a kind of mobile device repairing sound that the embodiment of the present invention four provides can include following:
Mobile terminal 51 and high in the clouds 52；Mobile terminal 51 includes: transmission module 513, music score correcting module 514 in song frequency acquisition module 511, modular converter 512, numeric music notation；
High in the clouds 52 includes: comparison in difference module 521 and difference feedback module 522.
Song frequency acquisition module 511, for obtaining the performance audio frequency of user；Modular converter 512, for obtaining the feature of song audio, and changes song audio into numeric music notation；Transmission module 513 in numeric music notation, for being uploaded to high in the clouds by feature and numeric music notation；Comparison in difference module 521, receives numeric music notation and feature, and compares numeric music notation and standard music score, determine the difference of numeric music notation and standard music score for high in the clouds；Difference feedback module 522, for feeding back to mobile terminal by difference；Music score correcting module 514, is used for receiving difference, and according to difference correction numeric music notation.
In comparison in difference module 521, high in the clouds receives numeric music notation, according to feature, obtains the standard music score with same characteristic features；Relatively numeric music notation and standard music score, determine the difference of numeric music notation and standard music score；And to mobile terminal fed back difference.Therefore, there is no need to, at local cache standard music score, release locally stored space.
In music score correcting module 514, difference display unit and amending unit can be included.
Difference display unit, for according to speed difference, beat difference and pitch frequencies difference, shows difference on the staff of standard music score；
Amending unit, for receiving the revision directive of user, revises song audio.
A kind of device repairing sound provided by the embodiment of the present invention four, can be saved in high in the clouds by standard music score, it is not necessary to take the local resource of mobile terminal, ensures and finds standard music score, to realize numeric music notation is repaiied sound.
Above to a kind of method and apparatus repairing sound provided by the present invention, it is described in detail, principle and the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, the most all will change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the method repairing sound, it is characterised in that including:
Obtain the song audio of user；
Change described song audio into numeric music notation；
Obtain the feature of described song audio, and according to described feature, obtain the standard music score with identical described feature；
Relatively described numeric music notation and described standard music score, determine the difference of described numeric music notation and described standard music score；
According to numeric music notation described in described difference correction.
Method the most according to claim 1, it is characterised in that the described numeric music notation of described comparison and described standard music score, determines the difference of described numeric music notation and described standard music score, including:
Relatively at least one in speed, beat or the pitch frequencies of described numeric music notation and described standard music score, it is thus achieved that at least one difference in speed difference, beat difference or pitch frequencies difference.
Method the most according to claim 1, it is characterised in that in the step of the song audio of described acquisition user, described song audio is dry sound.
Method the most according to claim 1, it is characterised in that the feature of the described song audio of described acquisition, and according to described feature, the step obtaining the standard music score with identical described feature includes:
Obtaining title of the song and original singer's name of described song audio, obtain corresponding standard music score by described title of the song with original singer's name, described standard music score is numeric music notation.
Method the most according to claim 2, it is characterised in that the described step according to numeric music notation described in described difference correction, including:
According to speed difference, beat difference and pitch frequencies difference, the staff of described standard music score shows described difference；
Receive the revision directive of user, revise described song audio.
6. the device repairing sound, it is characterised in that including:
Song frequency acquisition module, for obtaining the song audio of user；
Modular converter, is used for changing described song audio into numeric music notation；
Standard music score acquisition module, for obtaining the feature of described song audio, and according to described feature, obtains the standard music score with identical described feature；
Comparison in difference module, for relatively described numeric music notation and described standard music score, determines the difference of described numeric music notation and described standard music score；
Music score correcting module, for according to numeric music notation described in described difference correction.
Device the most according to claim 6, it is characterized in that, described comparison in difference module is specifically for, relatively at least one in speed, beat or the pitch frequencies of described numeric music notation and described standard music score, it is thus achieved that at least one difference in speed difference, beat difference or pitch frequencies difference.
Device the most according to claim 6, it is characterised in that in described song frequency acquisition module, described song audio is dry sound.
Device the most according to claim 6, it is characterized in that, described standard music score acquisition module specifically for, obtain title of the song and original singer's name of described song audio, obtaining corresponding standard music score by described title of the song with original singer's name, described standard music score is numeric music notation.
Device the most according to claim 7, it is characterised in that described music score correcting module includes:
Difference display unit, for according to speed difference, beat difference and pitch frequencies difference, shows described difference on the staff of described standard music score；
Amending unit, for receiving the revision directive of user, revises described song audio.
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