CN108281130A - Audio modification method and device - Google Patents
Audio modification method and device Download PDFInfo
- Publication number
- CN108281130A CN108281130A CN201810054003.1A CN201810054003A CN108281130A CN 108281130 A CN108281130 A CN 108281130A CN 201810054003 A CN201810054003 A CN 201810054003A CN 108281130 A CN108281130 A CN 108281130A
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- China
- Prior art keywords
- grade
- rhythm
- pitch
- scale modification
- song
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
- G10H1/366—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems with means for modifying or correcting the external signal, e.g. pitch correction, reverberation, changing a singer's voice
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/325—Musical pitch modification
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/375—Tempo or beat alterations; Music timing control
- G10H2210/381—Manual tempo setting or adjustment
Abstract
This application discloses a kind of audio modification methods, including：Obtain the song that user sings；It receives the pitch scale modification grade of user's selection and rhythm corrects grade, different pitch scale modification grades correspond to different intervals, and different rhythm corrects grade and corresponds to different gear shift modes；The pitch of the song is adjusted according to the corresponding interval of the pitch scale modification grade, and is corrected grade according to the rhythm and corresponded to the rhythm that gear shift mode adjusts the song.The application ensure that the naturalness of sound after repairing sound so that user selects according to according to itself performance level, avoids repairing sound technique functions negative interaction using the extent of amendment for limiting pitch and rhythm.
Description
Technical field
This application involves the audio signal processing technique communications fields, in particular to a kind of audio modification method and device.
Background technology
K songs are the modes of people's pastime, but since different people is irregular to the sensing capability of musicality and melody, out of tune
Or rhythm the case where not catching up with, happens occasionally, and seriously affects the mood of singing.Sound technology is repaiied thus thus to generate.
Correlation repair sound technology be usually according to certain masterplate, by the pitch of song and rhythm be revised as pitch in masterplate and
Rhythm.But it this repair sound mode there are the following problems：One, modification amplitude is fixed, is not suitable for horizontal different singing people,
Therefore when the amplitude of modification is larger, distortion is easy after modification, unlike the sound of singing people；Two, it is also easy to produce side effect, this is because
It is changed there are in the case of error in rhythm, the mistake that this error will be converted to tone is presented in modified song.
Therefore urgently provide it is a kind of can either carry out repairing sound processing according to the performance level of user, user voice will not be caused
It is undistorted, but reduce repair side effect repair sound mode.
Invention content
The main purpose of the application is to provide a kind of audio modification method, to solve to be determined according to different performance levels
Sound amplitude is repaiied, to avoid problem of dtmf distortion DTMF, while the problem of side effect that sound generates is repaiied in reduction.
To achieve the goals above, according to the one side of the application, a kind of audio modification method is provided, including：
Obtain the song that user sings；
The pitch scale modification grade and rhythm for receiving user's selection correct grade, and different pitch scale modification grades correspond to different sounds
Journey, different rhythm correct grade and correspond to different gear shift modes；
The pitch of the song is adjusted according to the corresponding interval of the pitch scale modification grade, and according to described rhythm amendment etc.
The corresponding gear shift mode of grade adjusts the rhythm of the song.
Further, the method further includes：
Before the pitch scale modification grade and rhythm for receiving user's selection correct grade, feature extraction is carried out to the song,
Obtain pitch parameters and rhythm characteristic；
The pitch scale modification grade recommended is determined according to the pitch parameters, and the section recommended is determined according to the rhythm characteristic
Play amendment grade；
It is defeated as the correction strategy recommended that the pitch scale modification grade of the recommendation and the rhythm of the recommendation are corrected into grade
Go out.
Further, the pitch scale modification grade that recommendation is determined according to the pitch parameters, including：
The incidence relation for inquiring pitch parameters and pitch scale modification grade, obtains pitch scale modification corresponding with the pitch parameters
Grade.
Further, described to determine that the rhythm recommended corrects grade according to the rhythm characteristic, including：
The incidence relation that rhythm characteristic corrects grade with rhythm is inquired, rhythm amendment corresponding with the rhythm characteristic is obtained
Grade.
Further, the pitch scale modification grade for receiving user's selection and rhythm correct grade, including：
Table of grading is corrected in inquiry, is obtained the corresponding audio of different amendments grades and is corrected grade and rhythm amendment grade；
Receive the amendment grade of user's selection.
Further, the amendment grade for receiving user's selection, including：
It scores the song, obtains estimating point to the song；
The contingency table with amendment grade is estimated point in inquiry, and user is according to the amendment grade for estimating component selections for acquisition.
To achieve the goals above, according to the another aspect of the application, a kind of audio correcting device is provided, including：
Song acquiring unit, the song for obtaining user's performance；
Selecting unit is corrected, the pitch scale modification grade and rhythm for receiving user's selection correct grade, and different pitches are repaiied
Positive grade corresponds to different intervals, and different rhythm corrects grade and corresponds to different gear shift modes；
Correcting process unit, the pitch for adjusting the song according to the corresponding interval of the pitch scale modification grade, and
Grade, which is corrected, according to the rhythm corresponds to the rhythm that gear shift mode adjusts the song.
Further, described device further includes：
Feature extraction unit, before correcting grade in the pitch scale modification grade and rhythm that receive user's selection, to described
Song carries out feature extraction, obtains pitch parameters and rhythm characteristic；
Level de-termination unit, for determining the pitch scale modification grade recommended according to the pitch parameters, and according to the section
It plays feature and determines that the rhythm recommended corrects grade；
Recommend output unit, for using the pitch scale modification grade of the recommendation and the rhythm of the recommendation correct grade as
The correction strategy of recommendation exports.
Further, the level de-termination unit includes：
First enquiry module, the incidence relation for inquiring pitch parameters and pitch scale modification grade obtain and the pitch
The corresponding pitch scale modification grade of feature.
Further, the level de-termination unit includes：
Second enquiry module, the incidence relation for inquiring rhythm characteristic and rhythm amendment grade, obtains and the rhythm
The corresponding rhythm of feature corrects grade.
Further, the amendment selecting unit includes：
Enquiry module corrects table of grading for inquiring, and obtains the corresponding audio amendment grade of different amendments grades and rhythm
Correct grade；
Receiving module, the amendment grade for receiving user's selection.
Further, the amendment selecting unit further includes：
Grading module obtains estimating point to the song for scoring the song；
Recommending module obtains user and estimates repairing for component selections according to described for inquiring the contingency table estimated point and correct grade
Positive grade.
In the embodiment of the present application, using the extent of amendment for limiting pitch and rhythm, ensure that sound after repairing sound from
So degree so that user selects according to according to itself performance level, avoids repairing sound technique functions negative interaction.
Description of the drawings
The attached drawing constituted part of this application is used for providing further understanding of the present application so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the flow diagram of herein described audio modification method one embodiment；
Fig. 2 is that the flow that the application receives the pitch scale modification grade of user's selection and rhythm corrects grade one embodiment is shown
It is intended to；
Fig. 3 is the flow that the application receives another embodiment of the pitch scale modification grade and rhythm amendment grade of user's selection
Schematic diagram；And
Fig. 4 is the structure of block diagram schematic diagram of audio correcting device one embodiment described herein.
Specific implementation mode
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection
It encloses.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include without clear
It is listing to Chu or for these processes, method, product or equipment intrinsic other steps or unit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the flow diagram of herein described audio modification method one embodiment.The method includes S101~
S103。
S101, the song that user sings is obtained.
S102, the pitch scale modification grade for receiving user's selection and rhythm correct grade, and different pitch scale modification grades correspond to not
Same interval, different rhythm correct grade and correspond to different gear shift modes.
The pitch scale modification grade corrects the pitch of song by the setting of interval, and the rhythm corrects grade and passes through difference
Gear shift mode adjustment song offset, specifically, it can be user that the pitch scale modification grade and the rhythm, which correct grade,
Selection is carried out according to itself performance level.
S103, the pitch that the song is adjusted according to the corresponding interval of the pitch scale modification grade, and according to the rhythm
It corrects grade and corresponds to the rhythm that gear shift mode adjusts the song.
The application corrected by pitch scale modification grade and rhythm grade setting provide it is a variety of repair sound mode, so as to user
The degree being adjusted according to the horizontally selected pitch and rhythm to song of performance of itself.The application using interval the number of degrees and
Sound number sets to provide a variety of amplitudes being adjusted to pitch；A kind of rhythm is corresponded to by different variable-speed processing modes to repair
Positive grade, it is out of tune to solve the problems, such as.
The application corrects grade so that user selects, because of different pitches by providing pitch scale modification grade and rhythm
It corrects grade and corresponds to different intervals, to limit the number of degrees being modified to pitch and sound number, to prevent pitch scale modification
It is distorted caused by more degree, ensure that the naturalness of sound after repairing sound；And rhythm corrects grade rule is solved to run away and asked really
Topic.
Herein described audio modification method can be applied both and can be recorded on the recording arrangement of song, can also be answered
It is modified in the processing unit of processing with to audio.Specifically, the recording and amendment of the song can both be set at one
Standby upper completion, can also complete on different devices respectively.Specifically, recording arrangement and processing unit can be PC machine,
The smart machines such as notebook, mobile phone.
Fig. 2 is that the flow that the application receives the pitch scale modification grade of user's selection and rhythm corrects grade one embodiment is shown
It is intended to.
The method includes S201~S203.
Before S201, the pitch scale modification grade selected in reception user and rhythm correct grade, feature is carried out to the song
Extraction, obtains pitch parameters and rhythm characteristic.
S202, the pitch scale modification grade recommended is determined according to the pitch parameters, and pushed away according to rhythm characteristic determination
The rhythm recommended corrects grade.
Specifically, the incidence relation for inquiring pitch parameters and pitch scale modification grade, obtains corresponding with the pitch parameters
Pitch scale modification grade；The incidence relation that rhythm characteristic corrects grade with rhythm is inquired, section corresponding with the rhythm characteristic is obtained
Play amendment grade.Method described herein provides different pitch scale modification grades and different rhythm corrects grade, by more
Kind pitch scale modification grade provides a variety of pitch scale modification modes to the user, to limit the amplitude of pitch scale modification, and it is a variety of
The mode that rhythm corrects grade has provided the mode to the song into line displacement to the user, is to retain itself so that user determines
Sing characteristic.
S203, the pitch scale modification grade of the recommendation and the rhythm of the recommendation are corrected into grade as the amendment plan recommended
Slightly export.
The present embodiment is by the correction strategy by generating recommendation to the analysis of the song, so as to user's repairing according to recommendation
Positive strategy is selected, and selects pitch scale modification grade and rhythm amendment grade to provide and assist help for user.Specifically, Yong Huke
To select pitch scale modification grade and rhythm to correct grade according to the correction strategy of recommendation, can also according to itself demand or from
Body performance is horizontal directly to be selected.
Fig. 3 is the flow that the application receives another embodiment of the pitch scale modification grade and rhythm amendment grade of user's selection
Schematic diagram.
The method includes S301~S302.
Table of grading is corrected in S301, inquiry, is obtained the corresponding audio of different amendments grades and is corrected grade and rhythm amendment grade.
Specifically, the amendment table of grading provides a variety of amendment grades, and each is corrected grade and corresponds to a kind of pitch scale modification
Grade and a kind of rhythm correct grade.Table of grading can will specifically be corrected according to level-one, two level, and so on, e.g., level-one corresponds to
Level-one pitch scale modification grade (minor second) and level-one rhythm correct grade (not deviating).
S302, the amendment grade for receiving user's selection.
The application provides two kinds of pitch scale modification grades and rhythm corrects the method for determination of grade, and one is registered by correcting
The mode of table, another kind are to correct grade according to the pitch scale modification grade and rhythm that are determined respectively to the analysis of song.
By both examples above it is found that this application provides two kinds of pitch scale modification grades and rhythm to correct grade really
Determine mode：One is users individually to select pitch scale modification grade, individually rhythm is selected to correct grade；Another kind is repaiied by basis
Grade is corrected in positive table of grading selection, and grade is corrected by the determining pitch scale modification grade and rhythm of correcting grade.It needs
It is bright, whether which kind of mode, can by providing a user the correction strategy of recommendation to the analysis of the song, so as to
User selects, and provides for the selection of user and assists help.
Further, it before the amendment grade for receiving user's selection, scores the song, obtains to the song
Estimate point；Inquiry estimate point with the contingency table of correcting grade, to the amendment grade of user's generation recommendation.
The application to user to estimating point for the song by recommending to correct grade, so that user determines according to grade is corrected
Pitch scale modification grade and rhythm correct grade.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
Fig. 4 is the structure of block diagram schematic diagram of audio correcting device one embodiment described herein.
Described device includes song acquiring unit 10, corrects selecting unit 20 and correcting process unit 30.
Wherein, the song acquiring unit 10, the song for obtaining user's performance；The amendment selecting unit 20 is used
Grade is corrected in the pitch scale modification grade and rhythm for receiving user's selection, different pitch scale modification grades correspond to different intervals, no
Same rhythm corrects grade and corresponds to different gear shift modes；The correcting process unit 30, for according to described pitch scale modification etc.
The corresponding interval of grade adjusts the pitch of the song, and corrects grade according to the rhythm and correspond to the gear shift mode adjustment song
Rhythm.
The application limits the extent of amendment of pitch by the number of degrees and sound number of interval, ensure that the nature of sound after repairing sound
Degree.
Further, described device further includes：
Feature extraction unit, before correcting grade in the pitch scale modification grade and rhythm that receive user's selection, to described
Song carries out feature extraction, obtains pitch parameters and rhythm characteristic；
Level de-termination unit, for determining the pitch scale modification grade recommended according to the pitch parameters, and according to the section
It plays feature and determines that the rhythm recommended corrects grade；
Recommend output unit, for using the pitch scale modification grade of the recommendation and the rhythm of the recommendation correct grade as
The correction strategy of recommendation exports.
Further, the level de-termination unit includes：
First enquiry module, the incidence relation for inquiring pitch parameters and pitch scale modification grade obtain and the pitch
The corresponding pitch scale modification grade of feature.
Further, the level de-termination unit includes：
Second enquiry module, the incidence relation for inquiring rhythm characteristic and rhythm amendment grade, obtains and the rhythm
The corresponding rhythm of feature corrects grade.
Further, the amendment selecting unit includes：
Enquiry module corrects table of grading for inquiring, and obtains the corresponding audio amendment grade of different amendments grades and rhythm
Correct grade；
Receiving module, the amendment grade for receiving user's selection.
Further, the amendment selecting unit further includes：
Grading module obtains estimating point to the song for scoring the song；
Recommending module obtains user and estimates repairing for component selections according to described for inquiring the contingency table estimated point and correct grade
Positive grade.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, either they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of audio modification method, which is characterized in that including：
Obtain the song that user sings；
The pitch scale modification grade and rhythm for receiving user's selection correct grade, and different pitch scale modification grades correspond to different intervals,
Different rhythm corrects grade and corresponds to different gear shift modes；
The pitch of the song is adjusted according to the corresponding interval of the pitch scale modification grade, and corrects grade pair according to the rhythm
Judgement of speed change mode adjusts the rhythm of the song.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
Before the pitch scale modification grade and rhythm for receiving user's selection correct grade, feature extraction is carried out to the song, is obtained
Pitch parameters and rhythm characteristic；
The pitch scale modification grade recommended is determined according to the pitch parameters, and determines that the rhythm recommended is repaiied according to the rhythm characteristic
Positive grade；
The pitch scale modification grade of the recommendation and the rhythm of the recommendation are corrected into grade as the correction strategy output recommended.
3. according to the method described in claim 2, it is characterized in that, described determine that the pitch recommended is repaiied according to the pitch parameters
Positive grade, including：
The incidence relation for inquiring pitch parameters and pitch scale modification grade, obtains pitch scale modification corresponding with the pitch parameters etc.
Grade.
4. according to the method described in claim 2, it is characterized in that, described determine that the rhythm recommended is repaiied according to the rhythm characteristic
Positive grade, including：
The incidence relation that rhythm characteristic corrects grade with rhythm is inquired, rhythm amendment corresponding with the rhythm characteristic etc. is obtained
Grade.
5. according to the method described in claim 1, it is characterized in that, the pitch scale modification grade and rhythm for receiving user's selection
Grade is corrected, including：
Table of grading is corrected in inquiry, is obtained the corresponding audio of different amendments grades and is corrected grade and rhythm amendment grade；
Receive the amendment grade of user's selection.
6. according to the method described in claim 5, it is characterized in that, the method further includes：
It before the amendment grade for receiving user's selection, scores the song, obtains estimating point to the song；
Inquiry estimate point with the contingency table of correcting grade, to the amendment grade of user's generation recommendation.
7. a kind of audio correcting device, which is characterized in that including：
Song acquiring unit, the song for obtaining user's performance；
Selecting unit is corrected, the pitch scale modification grade and rhythm for receiving user's selection correct grade, different pitch scale modifications etc.
The corresponding different interval of grade, different rhythm correct grade and correspond to different gear shift modes；
Correcting process unit, the pitch for adjusting the song according to the corresponding interval of the pitch scale modification grade, and according to
The rhythm corrects grade and corresponds to the rhythm that gear shift mode adjusts the song.
8. device according to claim 7, which is characterized in that the method further includes：
Feature extraction unit, before correcting grade in the pitch scale modification grade and rhythm that receive user's selection, to the song
Feature extraction is carried out, pitch parameters and rhythm characteristic are obtained；
Level de-termination unit, for determining the pitch scale modification grade recommended according to the pitch parameters, and according to rhythm spy
Sign determines that the rhythm recommended corrects grade；
Recommend output unit, for the pitch scale modification grade of the recommendation and the rhythm of the recommendation to be corrected grade as recommendation
Correction strategy output.
9. device according to claim 8, which is characterized in that the level de-termination unit includes：
First enquiry module, the incidence relation for inquiring pitch parameters and pitch scale modification grade obtain and the pitch parameters
Corresponding pitch scale modification grade.
10. device according to claim 8, which is characterized in that the level de-termination unit includes：
Second enquiry module, the incidence relation for inquiring rhythm characteristic and rhythm amendment grade, obtains and the rhythm characteristic
Corresponding rhythm corrects grade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810054003.1A CN108281130B (en) | 2018-01-19 | 2018-01-19 | Audio correction method and device |
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| CN201810054003.1A CN108281130B (en) | 2018-01-19 | 2018-01-19 | Audio correction method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110675886A (en) * | 2019-10-09 | 2020-01-10 | 腾讯科技（深圳）有限公司 | Audio signal processing method, audio signal processing device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675886A (en) * | 2019-10-09 | 2020-01-10 | 腾讯科技（深圳）有限公司 | Audio signal processing method, audio signal processing device, electronic equipment and storage medium |
| CN110675886B (en) * | 2019-10-09 | 2023-09-15 | 腾讯科技（深圳）有限公司 | Audio signal processing method, device, electronic equipment and storage medium |
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