CN108766452A - Repair sound method and device - Google Patents
Repair sound method and device Download PDFInfo
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- CN108766452A CN108766452A CN201810289050.4A CN201810289050A CN108766452A CN 108766452 A CN108766452 A CN 108766452A CN 201810289050 A CN201810289050 A CN 201810289050A CN 108766452 A CN108766452 A CN 108766452A
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- Prior art keywords
- sound
- frequency information
- audio
- sound pattern
- repair
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/003—Changing voice quality, e.g. pitch or formants
- G10L21/007—Changing voice quality, e.g. pitch or formants characterised by the process used
Abstract
This application discloses one kind repairing sound method and device.This repaiies sound method：Obtain pending audio-frequency information；According to the pending audio-frequency information in default template corresponding standard audio information, determine that recommends repaiies sound pattern in sound pattern from a variety of preset repair；Pitch adjustment and/or rhythm adjustment are carried out to the pending audio-frequency information according to the sound pattern of repairing of the recommendation.This repaiies mixer：Audio acquiring unit for obtaining pending audio-frequency information；For determining the pattern determining unit for repairing sound pattern recommended；And sound processing unit is repaiied to what audio-frequency information was adjusted according to sound pattern is repaiied.Present application addresses correlations to repair in sound technology due to repairing the problem that audio is easily distorted and song is unnatural caused by sound mode is fixed.
Description
Technical field
This application involves field of audio processing, and sound method and device is repaiied in particular to one kind.
Background technology
As communication and the high speed development of information technology, music function have become one in the terminals such as computer or mobile phone
The indispensable application of item, singing on mobile phone also becomes to become more and more popular, but since different people is to the sensing capability of musicality and melody
Irregular, the case where out of tune or rhythm is not caught up with, happens occasionally, and seriously affects the mood of singing, repaiies sound technology thus thus
It generates.
It is usually to be revised as the pitch of song and rhythm and the pitch in masterplate according to certain masterplate that correlation, which repaiies sound technology,
It is consistent with rhythm.Implement it is this repair sound method when, inventor has found that correlation is repaiied sound technology and had at least the following problems：One, it repaiies
The amplitude of changing is fixed, is not suitable for horizontal different singing people, therefore when the amplitude of modification is larger, distortion is easy after modification, no
As the sound of singing people；Two, this personalization repaiied sound method and do not account for user, if user is delithted with the singing of oneself
Rhythm merely desires to be adjusted pitch, then this sound method of repairing just is not suitable for completely.Asking in sound technology is repaiied for above-mentioned correlation
Topic, inventor provides a kind of solution.
Invention content
The main purpose of the application is that providing one kind repairing sound method, to solve to be determined according to the different performance level of user
Sound pattern 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, it according to the one side of the application, provides one kind and repairing sound method, including：
Obtain pending audio-frequency information；
According to the pending audio-frequency information in default template corresponding standard audio information, preset repaiied from a variety of
Determine that recommends repaiies sound pattern in sound pattern；
Pitch adjustment and/or rhythm tune are carried out to the pending audio-frequency information according to the sound pattern of repairing of the recommendation
It is whole.
Further, described that pitch adjustment is carried out to the pending audio-frequency information according to the sound pattern of repairing of the recommendation
And/or rhythm adjustment, including：
Sound pattern table is repaiied in inquiry, and obtain the recommendation repaiies the corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment
Mode；
The corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment mode are repaiied to described pending according to the recommendation
Audio-frequency information be adjusted.
Further, it is described according to the pending audio-frequency information in default template corresponding standard audio information from
A variety of preset repair determine that recommends repaiies sound pattern in sound pattern, including：
Feature extraction is carried out to the pending audio-frequency information, obtains the rhythm characteristic of the pending audio-frequency information
And pitch parameters；
According in the rhythm characteristic of the pending audio-frequency information and pitch parameters and the standard audio information
Rhythm template and pitch template, carry out pattern match calculating, from it is a variety of it is preset repair determined in sound pattern with it is described pending
Audio-frequency information match repair sound pattern as recommend repair sound pattern.
Further, pitch tune is carried out to the pending audio-frequency information according to the sound pattern of repairing of the recommendation described
After the adjustment of whole and/or rhythm, including：
When sound pattern is repaiied in user's selection, receive user's selection repaiies sound pattern；
Pitch adjustment and/or rhythm are carried out to the pending audio-frequency information according to the sound pattern of repairing of user selection
Adjustment.
Further, pitch tune is carried out to the pending audio-frequency information according to the sound pattern of repairing of the recommendation described
After the adjustment of whole and/or rhythm, including：
Calculate the accuracy in pitch accuracy increase rate of the pending audio-frequency information after adjustment.
To achieve the goals above, it according to the another aspect of the application, provides one kind and repairing mixer, including：
Audio acquiring unit, for obtaining pending audio-frequency information；
Pattern determining unit, for corresponding standard audio to be believed in default template according to the pending audio-frequency information
Breath determines that recommends repaiies sound pattern from a variety of preset repair in sound pattern；
Sound processing unit is repaiied, for carrying out pitch to the pending audio-frequency information according to the sound pattern of repairing of the recommendation
Adjustment and/or rhythm adjustment.
Further, the sound processing unit of repairing includes：
Pattern query module repaiies sound pattern table for inquiring, and obtain the recommendation repaiies the corresponding pitch adjustment of sound pattern
Mode and/or rhythm adjustment mode；
Adjustment unit, for repairing the corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment side according to the recommendation
Formula is adjusted the pending audio-frequency information.
Further, the pattern determining unit includes：
Feature extraction unit obtains described pending for carrying out feature extraction to the pending audio-frequency information
The rhythm characteristic and pitch parameters of audio-frequency information；
Matching primitives module, for according to the rhythm characteristic and pitch parameters of the pending audio-frequency information and described
Rhythm template in standard audio information and pitch template carry out pattern match calculating, preset are repaiied in sound pattern really from a variety of
It makes the sound pattern of repairing to match with the pending audio-frequency information and repaiies sound pattern as what is recommended.
Further, the mixer of repairing includes：
Mode selecting unit, for when sound pattern is repaiied in user's selection, receive user's selection to repair sound pattern.
Further, the mixer of repairing includes：
Computing module, the accuracy in pitch accuracy increase rate for calculating the pending audio-frequency information after adjusting.
In the embodiment of the present application, it is determined from a variety of preset repair in sound pattern using the level to be given song recitals according to user
Go out and repair sound pattern as what is recommended with a kind of sound pattern of repairing that the song level that user sings most is consistent, and sound is repaiied according to recommendation
The mode that the song that pattern sings user is adjusted has reached the level determination that the user of basis gives song recitals and has repaiied sound pattern
Purpose, ensure that the naturalness of song after repairing sound, and realize do not need user oneself judgement, automatically according to user sing
The level of song judges the optimum advantageous effect for repairing sound pattern.
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 to repair sound method flow schematic diagram according to the application first embodiment；
Fig. 2 is to repair sound method flow schematic diagram according to the application second embodiment；
Fig. 3 is to repair sound method flow schematic diagram according to the application 3rd embodiment；
Fig. 4 is to repair sound method flow schematic diagram according to the application fourth embodiment；
Fig. 5 is to repair mixer structural schematic diagram according to the application first embodiment；
Fig. 6 is to repair mixer structural schematic diagram according to the application second embodiment；
Fig. 7 is to repair mixer structural schematic diagram according to the application 3rd embodiment；And
Fig. 8 is to repair mixer structural schematic diagram according to the application fourth embodiment.
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 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.
As shown in Figure 1, this application involves one kind repairing sound method, it includes step S102 to step S106 that this, which repaiies sound method,.
Step S102 obtains pending audio-frequency information.In this step, it can be obtained by the microphone of mobile terminal
The song audio that user sings, the song audio are preferably the dry sound audio for the song that user sings.In the optional reality of the application
It applies in example, mobile terminal can be the electronic equipment with sound-recording function such as mobile phone, tablet computer.
Step S104, according to the pending audio-frequency information in default template corresponding standard audio information, from more
Kind preset repair determines that recommends repaiies sound pattern in sound pattern.In this step, the song that user sings is obtained first to correspond to
Template audio-frequency information, which includes the pitch parameters and lyrics feature of song, and the template audio-frequency information is preferred
It is just locally downloading and preserve before user gives song recitals, further pass through the song audio and template sound for comparing that user sings
Frequency information determines that the most matched one kind of the song audio level sung with user repaiies sound mould from a variety of preset repair in sound pattern
Formula repaiies sound pattern as acquiescence.
In the alternative embodiment of the application, the preset sound pattern of repairing includes：The song sound sung for user
Smaller slight of the accuracy in pitch deviation of frequency and template audio-frequency information repaiies sound pattern；The song audio and template audio sung for user
The moderate that the accuracy in pitch deviation of information is larger repaiies sound pattern；It is inclined for the accuracy in pitch of the song audio and template audio-frequency information of user's performance
The prodigious depth of difference repaiies sound pattern, and since each is repaiied, the process object that sound pattern is directed to is different, each repaiies the sound of sound pattern
Height adjustment mode and rhythm adjustment mode are also different, inclined by the song audio and the accuracy in pitch of template audio that first calculate user's performance
Difference repaiies sound pattern according to the corresponding recommendation of the range of accuracy in pitch deviation may determine that with user sings song audio.
Step S106, according to the recommendation repair sound pattern to the pending audio-frequency information carry out pitch adjustment and/
Or rhythm adjustment.In this step, sound pattern is repaiied in the horizontal corresponding recommendation of song determined with user sings
Afterwards, receive user repaiies sound instruction, and repaiies the corresponding pitch adjustment mode of sound pattern and/or rhythm tune according to the recommendation
Perfect square formula carries out the song audio that user sings to repair sound processing.
As shown in Fig. 2, in step S106, it is described that sound pattern is repaiied to the pending audio-frequency information according to the recommendation
Pitch adjustment and/or rhythm adjustment are carried out, specifically includes step S202 to step S204.
Step S202, inquiry repair sound pattern table, obtain the recommendation repair the corresponding pitch adjustment mode of sound pattern and/or
Rhythm adjustment mode, each is repaiied sound pattern and all corresponds to a kind of pitch adjustment mode and/or rhythm adjustment mode, for example, upper
It states slight repair in sound pattern and subtle adjustment only is carried out to the pitch of audio, and adjusted without rhythm；Sound mould is repaiied in above-mentioned moderate
Also rhythm can be adjusted sentence by sentence while the pitch to audio is adjusted in formula；And in above-mentioned depth repaiies sound pattern
Word for word the pitch of audio and rhythm can be adjusted, in this step, sound pattern table be repaiied by inquiry, is obtained and the recommendation
Repair the corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment mode.
Step S204 repaiies the corresponding pitch of sound pattern according to the recommendation obtained in step S202 in this step
Adjustment mode and/or rhythm adjustment mode are adjusted the pending audio-frequency information, the audio-frequency information after being adjusted.
As shown in figure 3, in step S104, it is described according to the pending audio-frequency information in default template corresponding mark
Quasi- audio-frequency information determines that recommends repaiies sound pattern from a variety of preset repair, specifically includes step S302 to step in sound pattern
S304。
Step S302 carries out feature extraction to the pending audio-frequency information, obtains the pending audio-frequency information
Rhythm characteristic and pitch parameters, in this step, first pass through feature extraction obtain user's performance the dry sound of song and rhythm it is special
It seeks peace pitch parameters, the rhythm characteristic is that user gives song recitals the lyrics and Syllable segmentation point feature, and the pitch parameters are to use
Family gives song recitals the pitch of each time point.
Step S304, according to the rhythm characteristic of the pending audio-frequency information and pitch parameters and the standard audio
Rhythm template in information and pitch template carry out pattern match calculating, are determined in sound pattern and institute from a variety of preset repair
It states the sound pattern of repairing that pending audio-frequency information matches and repaiies sound pattern as what is recommended.This step specifically includes, and user is drilled
The rhythm characteristic for the song sung in template audio-frequency information the lyrics and Syllable segmentation point template be compared, user is calculated
The time offset sequence of the song of performance；Song pitch parameters are obtained from the song that user sings, and are believed with template audio
Pitch template in breath is compared, and the pitch difference sequence of user's song is calculated；The time of time offset sequence is inclined
Shifting amount range and the pitch difference range of pitch difference sequence are compared with sound pattern match table is repaiied, and different repaiies sound pattern correspondence
Different time offset ranges and pitch difference range, matching obtain it is corresponding with the song that user sings repair sound pattern, and
Sound pattern is repaiied as recommendation.
As shown in figure 4, in step S106, the pending audio-frequency information is carried out according to the sound pattern of repairing of the recommendation
Pitch adjusts and/or rhythm adjustment further includes later：Step S402 to step S404.
Step S402, when sound pattern is repaiied in user's selection, receive user's selection repaiies sound pattern.In this step, when with
Family is unsatisfied with to the audio fruit of repairing for repairing sound pattern of recommendation, wants to attempt that other repair sound pattern repaiies audio fruit, or thinks more
Retain the personalization for the song oneself sung, for example user is delithted with the rhythm that oneself is sung and likes a little small innovation, can select
Such as it does not repair the above-mentioned of rhythm and slightly repaiies sound pattern.User can select other in repairing after sound pattern repaiied sound according to recommendation
The song that sound pattern sings oneself of repairing repair sound again.
Step S404 carries out pitch adjustment according to the sound pattern of repairing of user selection to the pending audio-frequency information
And/or rhythm adjustment.In this step, receive user selection repair sound pattern after, inquiry repair sound pattern table, obtain the use
The corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment mode are repaiied in family selection, and according to the pitch adjustment mode and/
Or the song that rhythm adjustment mode sings user repaiies sound again.
The application's repaiies in sound method, is carried out to the pending audio-frequency information according to the sound pattern of repairing of the recommendation
After pitch adjustment and/or rhythm adjustment, further include：The accuracy in pitch for calculating the pending audio-frequency information after adjustment is correct
Rate increase rate.It specifically includes：Calculate the accuracy in pitch accuracy of the pending audio-frequency information before adjustment；It calculates described after adjustment
The accuracy in pitch accuracy of pending audio-frequency information；According to the accuracy in pitch accuracy of the pending audio-frequency information before the adjustment and
The accuracy in pitch accuracy of the pending audio-frequency information after the adjustment obtains the pending audio-frequency information after adjustment
Accuracy in pitch accuracy increase rate.
According to the another aspect of the application, this application provides one kind repairing mixer.
As shown in figure 5, this repaiies mixer includes：Audio acquiring unit 1, pattern determining unit 2 and repair sound processing unit
3, wherein：
The audio acquiring unit 1, for obtaining the song audio that user sings by microphone, in the optional of the application
In embodiment, the song audio that user sings can be obtained by mobile phone；
The pattern determining unit 2, the song audio for being used to be sung according to the user corresponding mould in default template
Plate audio-frequency information determines that recommends repaiies sound pattern from a variety of preset repair in sound pattern；
It is described to repair sound processing unit 3, for the song audio repaiied sound pattern and sung the user according to the recommendation
Carry out pitch adjustment and/or rhythm adjustment.
As shown in fig. 6, the sound processing unit 3 of repairing includes：Pattern query module 31 and adjustment unit 32, wherein：
The pattern query module 31 repaiies sound pattern table for inquiring, and obtain the recommendation repaiies the corresponding sound of sound pattern
Height adjustment mode and/or rhythm adjustment mode；
The adjustment unit 32, for repairing the corresponding pitch adjustment mode of sound pattern and/or rhythm according to the recommendation
Adjustment mode is adjusted the pending audio-frequency information.
As shown in fig. 7, the pattern determining unit 2 includes：Feature extraction unit 21 and matching primitives module 22,
In：
The feature extraction unit 21 obtains described wait for for carrying out feature extraction to the pending audio-frequency information
The rhythm characteristic and pitch parameters of the audio-frequency information of processing；
The matching primitives module 22, for according to the rhythm characteristic and pitch parameters of the pending audio-frequency information with
And the rhythm template in the standard audio information and pitch template, pattern match calculating is carried out, preset sound mould is repaiied from a variety of
It determines to repair sound pattern as what is recommended with the sound pattern of repairing that the pending audio-frequency information matches in formula.
As shown in figure 8, the mixer of repairing further includes：Mode selecting unit 4, the mode selecting unit 4 be used for
When sound pattern is repaiied in family selection, receive user's selection repaiies sound pattern.
The mixer of repairing of the application further includes the accuracy in pitch for calculating the pending audio-frequency information after adjusting
The computing module of accuracy increase rate.
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. one kind repairing sound method, which is characterized in that including：
Obtain pending audio-frequency information；
According to the pending audio-frequency information in default template corresponding standard audio information, preset repair sound mould from a variety of
Determine that recommends repaiies sound pattern in formula；
Pitch adjustment and/or rhythm adjustment are carried out to the pending audio-frequency information according to the sound pattern of repairing of the recommendation.
2. according to claim 1 repair sound method, which is characterized in that described to repair sound pattern to described according to the recommendation
Pending audio-frequency information carries out pitch adjustment and/or rhythm adjustment, including：
Sound pattern table is repaiied in inquiry, and obtain the recommendation repaiies the corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment mode；
The corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment mode are repaiied to the pending sound according to the recommendation
Frequency information is adjusted.
3. according to claim 1 repair sound method, which is characterized in that it is described according to the pending audio-frequency information pre-
If corresponding standard audio information in template, determine that recommends repaiies sound pattern in sound pattern from a variety of preset repair, including：
Feature extraction is carried out to the pending audio-frequency information, obtains the rhythm characteristic and sound of the pending audio-frequency information
High feature；
According to the rhythm in the rhythm characteristic of the pending audio-frequency information and pitch parameters and the standard audio information
Template and pitch template carry out pattern match calculating, are determined in sound pattern and the pending sound from a variety of preset repair
The sound pattern of repairing of frequency information match repaiies sound pattern as what is recommended.
4. according to claim 1 repair sound method, which is characterized in that repair sound pattern to institute according to the recommendation described
After stating pending audio-frequency information progress pitch adjustment and/or rhythm adjustment, including：
When sound pattern is repaiied in user's selection, receive user's selection repaiies sound pattern；
Pitch adjustment and/or rhythm tune are carried out to the pending audio-frequency information according to the sound pattern of repairing of user selection
It is whole.
5. according to claim 1 repair sound method, which is characterized in that repair sound pattern to institute according to the recommendation described
After stating pending audio-frequency information progress pitch adjustment and/or rhythm adjustment, including：
Calculate the accuracy in pitch accuracy increase rate of the pending audio-frequency information after adjustment.
6. one kind repairing mixer, which is characterized in that including：
Audio acquiring unit, for obtaining pending audio-frequency information；
Pattern determining unit, for according to the pending audio-frequency information in default template corresponding standard audio information,
Determine that recommends repaiies sound pattern in sound pattern from a variety of preset repair；
Sound processing unit is repaiied, for carrying out pitch adjustment to the pending audio-frequency information according to the sound pattern of repairing of the recommendation
And/or rhythm adjustment.
7. according to claim 6 repair mixer, which is characterized in that the sound processing unit of repairing includes：
Pattern query module repaiies sound pattern table for inquiring, and obtain the recommendation repaiies the corresponding pitch adjustment mode of sound pattern
And/or rhythm adjustment mode；
Adjustment unit, for repairing the corresponding pitch adjustment mode of sound pattern and/or rhythm adjustment mode pair according to the recommendation
The pending audio-frequency information is adjusted.
8. according to claim 6 repair mixer, which is characterized in that the pattern determining unit includes：
Feature extraction unit obtains the pending audio for carrying out feature extraction to the pending audio-frequency information
The rhythm characteristic and pitch parameters of information；
Matching primitives module, for according to the rhythm characteristic and pitch parameters of the pending audio-frequency information and the standard
Rhythm template in audio-frequency information and pitch template carry out pattern match calculating, are determined from a variety of preset repair in sound pattern
With the sound pattern of repairing that the pending audio-frequency information matches sound pattern is repaiied as what is recommended.
9. according to claim 6 repair mixer, which is characterized in that the mixer of repairing includes：
Mode selecting unit, for when sound pattern is repaiied in user's selection, receive user's selection to repair sound pattern.
10. according to claim 6 repair mixer, which is characterized in that the mixer of repairing includes：
Computing module, the accuracy in pitch accuracy increase rate for calculating the pending audio-frequency information after adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289050.4A CN108766452B (en) | 2018-04-03 | 2018-04-03 | Sound repairing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289050.4A CN108766452B (en) | 2018-04-03 | 2018-04-03 | Sound repairing method and device |
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| CN108766452A true CN108766452A (en) | 2018-11-06 |
| CN108766452B CN108766452B (en) | 2020-11-06 |
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ID=63980817
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810289050.4A Active CN108766452B (en) | 2018-04-03 | 2018-04-03 | Sound repairing method and device |
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| CN (1) | CN108766452B (en) |
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| CN112447182A (en) * | 2020-10-20 | 2021-03-05 | 开放智能机器（上海）有限公司 | Automatic sound modification system and sound modification method |
| CN112825245A (en) * | 2019-11-20 | 2021-05-21 | 北京声智科技有限公司 | Real-time sound modification method and device and electronic equipment |
| CN113314093A (en) * | 2021-06-01 | 2021-08-27 | 广州酷狗计算机科技有限公司 | Audio synthesis method, device, terminal and storage medium |
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| CN108766452B (en) | 2020-11-06 |
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