CN109272975A - Sing accompaniment automatic adjusting method, device and KTV jukebox - Google Patents
Sing accompaniment automatic adjusting method, device and KTV jukebox Download PDFInfo
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- CN109272975A CN109272975A CN201810920127.3A CN201810920127A CN109272975A CN 109272975 A CN109272975 A CN 109272975A CN 201810920127 A CN201810920127 A CN 201810920127A CN 109272975 A CN109272975 A CN 109272975A
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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
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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
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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
- 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
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The present invention relates to KTV accompaniment technical fields.One embodiment of the invention provides a kind of performance accompaniment automatic adjusting method, device and KTV jukebox, wherein performances is accompanied, automatic adjusting method includes: the original singer's voice fundamental frequencies for obtaining song to be sung and the performance voice fundamental frequencies of singer；Determine pitch differentiation value of the performance voice fundamental frequencies relative to original singer's voice fundamental frequencies；According to the pitch differentiation value, the tuning value that accompaniment music needs to adjust is determined；And based on the identified tuning value, adjust the tone of the accompaniment music.Thus, realize the tone for adjusting accompaniment music personalizedly according to the pitch of singer, so that the singer of high pitch or bass that sound ray is unable to reach original singer also can easily give song recitals and detonieren does not get out of tune, easily complete to sing pleasantly, and enhance recreation experience.
Description
Technical field
The present invention relates to KTV accompany technical field, more particularly to a kind of performances accompany automatic adjusting method, device and
KTV jukebox.
Background technique
Traditional KTV equipment is sung, and singer needs to reach the same pitch of original singer, just do not get out of tune, and a large amount of songs pair
For ordinary user, it is extremely difficult to the high pitch or bass of original singer, singing effect is often not perfect.It is asked to solve this
Topic, traditional music effect device can manually adjust accompaniment tone, but the largely bad user of musicality, can not accurately identify sound
High Defferential is difficult to operate；Manual operation itself is also comparatively laborious, and the tone of each first song is all different, adjusts also time-consuming expense repeatedly
Power, recreation experience are had a greatly reduced quality.
In view of this, it is lighter how to enable user sing when using KTV, the sound of user's adjust automatically accompanying song is helped
It adjusts, sound ray also can easily be given song recitals when being unable to reach the high pitch or bass of original singer and detonieren does not get out of tune is current industry
Technical problem urgently to be resolved.
Summary of the invention
The purpose of the embodiment of the present invention is that a kind of performance accompaniment automatic adjusting method, device and KTV jukebox are provided, to
At least solve the problems, such as that prior art medium pitch debugs difficult and user manually and gives song recitals difficulty.
To achieve the goals above, on the one hand the embodiment of the present invention provides a kind of performance accompaniment automatic adjusting method, packet
It includes: obtaining original singer's voice fundamental frequencies of song to be sung and the performance voice fundamental frequencies of singer；Determine the performance voice fundamental frequencies
Pitch differentiation value relative to original singer's voice fundamental frequencies；According to the pitch differentiation value, determine what accompaniment music needed to adjust
Tuning value；And based on the identified tuning value, adjust the tone of the accompaniment music.
On the other hand the embodiment of the present invention provides a kind of performance accompaniment automatic regulating apparatus, comprising: fundamental frequency acquiring unit is used
In the performance voice fundamental frequencies for the original singer's voice fundamental frequencies and singer for obtaining song to be sung；Pitch differentiation value determination unit is used
In determining the pitch differentiation value of the performance voice fundamental frequencies relative to original singer's voice fundamental frequencies；Tuning value determination unit, is used for
According to the pitch differentiation value, the tuning value that accompaniment music needs to adjust is determined；And pitch adjustment unit, for true based on institute
The fixed tuning value, adjusts the tone of the accompaniment music.
On the one hand the embodiment of the present invention also provides a kind of KTV jukebox, be configured with machine instruction thereon, and refer in the machine
Enable performance accompaniment automatic adjusting method that can be above-mentioned in execution the application when being called.
Through the above technical solutions, proposing indicated between voice fundamental frequencies and original singer's voice fundamental frequencies by comparing singing
Pitch differentiation value so that it is determined that accompaniment music needs the tuning value adjusted, and utilizes the tone of tuning value adjustment accompaniment music.
Hereby it is achieved that the tone of accompaniment music is adjusted personalizedly according to the pitch of singer, so that sound ray is unable to reach original
The singer of the high pitch or bass sung also can easily give song recitals and detonieren does not get out of tune, and easily completes to sing pleasantly,
And enhance recreation experience.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is the flow chart of the performance accompaniment automatic adjusting method of one embodiment of the invention；
Fig. 2 is the exemplary diagram of pitch fundamental frequency table applied in the performance accompaniment automatic adjusting method of one embodiment of the invention；
Fig. 3 is the flow chart of the performance accompaniment automatic adjusting method of one embodiment of the invention；
Fig. 4 is the reduced coordinates system curve of the voice fundamental frequencies programmed value between the original singer of one embodiment of the invention and singer；
Fig. 5 is shown indicated by Fig. 4 about the pitch differentiation curve between original singer and singer；
Fig. 6 is the principle flow chart of the performance accompaniment automatic adjusting method of one embodiment of the invention；
Fig. 7 is the structural block diagram of the performance accompaniment automatic regulating apparatus of one embodiment of the invention.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
Such as Fig. 1, the performance accompaniment automatic adjusting method of one embodiment of the invention, comprising:
The performance voice fundamental frequencies of S11, the original singer's voice fundamental frequencies for obtaining song to be sung and singer.
Implementation object of the invention can be various terminals, on the one hand its can be such as mobile phone, computer it is universal simultaneously
Terminal configured with singing software, on the other hand it can be such as KTV jukebox, and it belongs to protection model of the invention
In enclosing.
The acquisition modes of original singer's voice fundamental frequencies about song to be sung, can be should by real-time or preparatory reading
Original singer's information of some or all of song, and generate corresponding fundamental frequency data；And the acquisition modes about performance voice fundamental frequencies,
It can be when singer sings in real time, is acquired by voice fundamental frequencies of the microphone to singer, and be also possible to reality
When or fundamental frequency data gathered in advance, and in embodiment of above all belongs to the scope of protection of the present invention.
S12, the pitch differentiation value for singing voice fundamental frequencies relative to original singer's voice fundamental frequencies is determined.
It should be noted that each performance fundamental frequency signal can be uniquely corresponding with specific pitch value, such as base can be
It is determined in pitch fundamental frequency table and sings voice fundamental frequencies and the corresponding pitch value of original singer's voice fundamental frequencies, and will be determined by the difference
Pitch value makees difference with the determination pitch differentiation value, and wherein there is between multiple groups fundamental frequency data and pitch value record in pitch fundamental frequency table
Mapping relations, such as Fig. 2, it illustrates the example of pitch fundamental frequency table, wherein the specific chromatic scale of different notes both corresponds to only
One programmed value (i.e. pitch value), which can be is realized according to preparatory many experiments process.
S13, according to pitch differentiation value, determine the tuning value that accompaniment music needs to adjust.
S14, based on identified tuning value, adjust the tone of accompaniment music.
In some embodiments, it can be and pitch differentiation value be determined as the tuning value that accompaniment music needs to adjust, and
Directly using the tuning value adjustment accompaniment music tone, such as when tuning value instruction need to be raised and lowered 2 it is chromatic
When tone, then 2 chromatic tones of accompaniment music are correspondingly raised and lowered automatically.
It in some preferred embodiments, can be song segmentation to be sung, and the song based on the preceding paragraph is drilled
The accompaniment of a segmentation song under discrepancy adjustment between the deduction and original singer of the person of singing.Such as Fig. 3, show that the present invention one is implemented
The performance accompaniment automatic adjusting method of example, comprising:
The performance voice fundamental frequencies of S31, the original singer's voice fundamental frequencies for obtaining song to be sung and singer.
S32, it is segmented song to be sung.
S33, multiple sampled points are selected in the first segmentation of song to be sung, and determines that multiple sampled point institutes are right respectively
The multiple tuning values answered.
The detail for closing the determination of tuning value in this present embodiment, can be the description referring to a upper embodiment, example
It such as can be the pitch differentiation value determined in each sampled point performance voice fundamental frequencies relative to original singer's voice fundamental frequencies, and poor according to pitch
Different value determines that accompaniment music needs the tuning value that adjusts.
S34, multiple tuning values are based on, determine the tuning mean value for corresponding to the first segmentation.
Multiple tuning values under the first segmentation are summarized as a result, so that the tuning for obtaining corresponding to the first segmentation is equal
Value.
S35, based on identified tuning mean value, the tone of the accompaniment music of next segmentation of the first segmentation of adjustment.
The performance performance based on song segmentation singer is proposed in embodiments of the present invention, can adjust accompaniment tone in real time
Happy tone.It is preferably based on adjustment of the tuning mean value to accompaniment music, can be and judge whether tuning mean value is more than predetermined threshold
Value, and the tone of the accompaniment music of next segmentation is adjusted according to tuning mean value when tuning mean value is more than predetermined threshold, and work as
When tuning mean value is no more than predetermined threshold, tone adjustment operation is not executed to next segmentation, so that in the adjustment of subsequent period
The singer of a upper period can be comprehensively considered sings performance.
In some embodiments, it can be according to original singer's voice fundamental frequencies, determine the point of interruption in song to be sung
(it is generally used to indicate at ventilation), and can be and be segmented song to be sung according to the identified point of interruption, thus, it is possible to protect
Barrier tuning, so that tuning process will not be lofty, will not improve the amusement body of performance during continuously singing for one
It tests.
Such as Fig. 4, it illustrates the reduced coordinates system curve about the voice fundamental frequencies programmed value between original singer and singer,
In the horizontal axis of the coordinate system be the time, and the longitudinal axis is pitch programmed value corresponding to voice fundamental frequencies, and wherein T1-T5 indicates song
One section, T5-T7 indicates another section of the point of interruption and T7-T9 instruction song.Curve positioned at diagram top is song original singer
Voice fundamental frequencies are located at the sound that diagram lower section is input source (generally microphone) with time T1, the change curve of T2 ... T10
Pitch variation curve.It can be found that when giving song recitals, due to needing to take a breath and adjust, performance be it is discrete, during centre has
Disconnected, we will interrupt as the standard for dividing performance syntagma, such as upper figure T1 to T5 is a syntagma, and T7 to T10 is a sentence
Section.The division of this syntagma will play a key effect to our subsequent adjustment.Fundamental frequency by comparing original singer and input source is poor
Different information, the pitch differentiation curve between both available original singer and singer as shown in Figure 5, and the pitch differentiation value
It can show as straightway indicated by definite value.
Such as Fig. 6, the principle flow chart of the performance accompaniment automatic adjusting method of one embodiment of the invention, packet are shown
It includes:
1) start, accompany to selected playback of songs, the tuning tone initially accompanied is 0.
2) curve that the pitch of song original singer changes over time is read, programmed value curve is converted into, is such as narrated above, it will
Programmed value curve is divided into multiple syntagmas according to blank information.
3) start to sing.
4) fundamental frequency information when singer sings is extracted, and is converted into programmed value curve.
5) it is compared for original singer's programmed value of the syntagma and singer's programmed value, at the end of syntagma, is taken in real time
Obtain the mean value of the syntagma.Specific calculation is, if the syntagma has x sampled point, the programmed value difference of each sampled point is a
(0), a(1), a(2) ... a(x-1), if the mean value of syntagma is b, then b=(a(0)+a(1)+a(2)+...+a (x-1))/x.
6) according to pitch differentiation b, the pitch value that accompaniment music needs to adjust is calculated.It is specifically calculated as, to b divided by one
8 degree 12 chromatic scales of chromatic scale take chromatic scale remainder, if chromatic scale remainder is c, then c=b mod 12.If tuning value is d, such as
Fruit c is less than or equal to 6, then d=c；And if c is greater than 6, d=c-12.
7) accompaniment tone is adjusted in next syntagma.If the accompaniment tone of a upper syntagma is adjusted to e chromatic scale, if e and d
Difference be less than or equal to 2, then keep the tone e of a upper syntagma then to adjust accompaniment tone if it is greater than 2 in next syntagma
For d.
8) judge whether that song terminates, if it has not ended, the step of continuing 5-8;If be over, enter next
Step.
9) accompaniment tone tune is adjusted to original state 0
10) terminate.
Division of the adjustment of tone due to introducing syntagma as a result, realizes and only starts to adjust in the syntagma blank space of performance
Whole accompaniment tone avoids singer and adjusts the lofty of accompaniment tone during syntagma is sung, while decreasing frequent tune
Whole tone perplexs to caused by singer.Further, specific tuning calculate when, only it is big for pitch disparity into
Row tuning optimization；Under application scenes, when male sings the song of songstress, often low one 8 degree (programmed value 12)
It sings, if directly adjustment accompaniment is low 8 degree, the quality of accompaniment will be greatly lowered, and can judge to drill through this embodiment
Whether the performance for the person of singing is excessive with original singer's difference, and in example as shown in Figure 4, the note of performance is there is no changing, at this time simultaneously
Adjustment accompaniment is not needed, the experience of performance is greatly optimized.
In embodiments of the present invention, the method for manual setting accompaniment tone will be needed to become adjust automatically originally, it is automatic to adjust
After whole, user need to only give song recitals according to the voice height of oneself, and accompaniment music adjust automatically pitch is adapted to the performance of user,
User can easily deduce this song very much, and detonieren is avoided to get out of tune.Also, relatively manual tuning, can be to avoid the manual of user
Operation, method for digitizing is more acurrate, and without adjusting repeatedly step by step manually, user can experience after performance without study
The improvement of singing effect, performance is more self-confident, more easily.
The automatic regulating apparatus 70 as shown in fig. 7, performance of one embodiment of the invention is accompanied, comprising: fundamental frequency acquiring unit
701, for obtaining original singer's voice fundamental frequencies of song to be sung and the performance voice fundamental frequencies of singer；Pitch differentiation value determines single
Member 702, for determining pitch differentiation value of the performance voice fundamental frequencies relative to original singer's voice fundamental frequencies；Tuning value determines single
Member 703, for determining the tuning value that accompaniment music needs to adjust according to the pitch differentiation value；And pitch adjustment unit
704, for adjusting the tone of the accompaniment music based on the identified tuning value.
In some embodiments, the pitch differentiation value determination unit is used to determine the performance based on pitch fundamental frequency table
Voice fundamental frequencies and the corresponding pitch value of original singer's voice fundamental frequencies, and identified pitch value makees difference with determination respectively by this
The pitch differentiation value, wherein record has the mapping relations between multiple groups fundamental frequency data and pitch value in the pitch fundamental frequency table.
In some embodiments, the device further include: segmenting unit, for being segmented the song to be sung；Sampling
Unit for selecting multiple sampled points in the first segmentation of song to be sung, and determines the multiple sampled point institute difference
Corresponding multiple tuning values；It is segmented tuning mean value determination unit, for being based on the multiple tuning value, determines and corresponds to described the
The tuning mean value of one segmentation；And next segmentation tuning unit, for being based on the identified tuning mean value, adjustment described the
The tone of the accompaniment music of next segmentation of one segmentation.
On the one hand the embodiment of the present invention also provides a kind of KTV jukebox, be configured with machine instruction thereon, and refer in the machine
Enable performance accompaniment automatic adjusting method that can be above-mentioned in execution the application when being called.
The more specific details and effect of performance accompaniment automatic regulating apparatus and KTV jukebox about the embodiment of the present invention
It is referred to the description of embodiment of the method above, is not just repeated herein.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that single
Piece machine, chip or processor (processor) execute all or part of the steps of each embodiment the method for the application.And it is preceding
The storage medium stated includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (10)
1. a kind of performance is accompanied automatic adjusting method, comprising: obtain original singer's voice fundamental frequencies and the singer of song to be sung
Sing voice fundamental frequencies；Determine pitch differentiation value of the performance voice fundamental frequencies relative to original singer's voice fundamental frequencies；According to described
Pitch differentiation value determines the tuning value that accompaniment music needs to adjust；And based on the identified tuning value, adjust the companion
Play the tone of music.
2. according to the method described in claim 1, wherein, the determination performance voice fundamental frequencies are relative to original singer's sound
The pitch differentiation value of fundamental frequency includes: to determine the performance voice fundamental frequencies and original singer's voice fundamental frequencies difference based on pitch fundamental frequency table
Corresponding pitch value, and identified pitch value makees difference with the determination pitch differentiation value, wherein the pitch base respectively by this
Record has the mapping relations between multiple groups fundamental frequency data and pitch value in frequency table.
3. according to the method described in claim 1, wherein, this method further include: the segmentation song to be sung；Wait sing
Song the first segmentation in select multiple sampled points, and determine the corresponding multiple tuning values of the multiple sampled point institute；
Based on the multiple tuning value, the tuning mean value for corresponding to first segmentation is determined；And based on the identified tuning
Mean value adjusts the tone of the accompaniment music of next segmentation of first segmentation.
4. described based on identified described described first point of the adjustment of tuning mean value according to the method described in claim 3, wherein
The tone of the accompaniment music of next segmentation of section includes: to judge whether the tuning mean value is more than predetermined threshold；If the tuning
Mean value is more than the predetermined threshold, then the tone of the accompaniment music of next segmentation is adjusted according to the tuning mean value；And
If the tuning mean value is no more than the predetermined threshold, tone adjustment operation is not executed to next segmentation.
5. according to the method described in claim 3, wherein, song to be sung described in the segmentation includes: according to the original singer
Voice fundamental frequencies determine the point of interruption in the song to be sung；According to the identified point of interruption, segmentation is described wait drill
The song sung.
6. method according to any one of claims 1-5, wherein described to determine accompaniment tone according to the pitch differentiation value
The tuning value that happy needs adjust includes: to ask to calculate the pitch differentiation value relative to one 8 degree of chromatic remainder: c=b mod
12
Wherein, c indicates that chromatic remainder, b indicate pitch differentiation；If c be less than or equal to 6, d=c, and if c be greater than 6, d=
c-12。
The automatic regulating apparatus 7. a kind of performance is accompanied, comprising: fundamental frequency acquiring unit, for obtaining original singer's sound of song to be sung
The performance voice fundamental frequencies of sound fundamental frequency and singer；Pitch differentiation value determination unit, for determining that the performance voice fundamental frequencies are opposite
In the pitch differentiation value of original singer's voice fundamental frequencies；Tuning value determination unit, for determining accompaniment according to the pitch differentiation value
Music needs the tuning value adjusted；And pitch adjustment unit, for adjusting the accompaniment based on the identified tuning value
The tone of music.
8. device according to claim 7, wherein the pitch differentiation value determination unit is used for true based on pitch fundamental frequency table
The performance voice fundamental frequencies and the corresponding pitch value of original singer's voice fundamental frequencies calmly, and this is distinguished into identified pitch value
Make difference with the determination pitch differentiation value, wherein there is between multiple groups fundamental frequency data and pitch value record in the pitch fundamental frequency table
Mapping relations.
9. device according to claim 7, wherein the device further include: segmenting unit, it is described to be sung for being segmented
Song；Sampling unit for selecting multiple sampled points in the first segmentation of song to be sung, and determines the multiple sampling
The corresponding multiple tuning values of point institute；It is segmented tuning mean value determination unit, for being based on the multiple tuning value, determines and corresponds to
In the tuning mean value of first segmentation；And next segmentation tuning unit, for adjusting based on the identified tuning mean value
The tone of the accompaniment music of next segmentation of whole first segmentation.
10. a kind of KTV jukebox is configured with machine instruction thereon, and can be in perform claim when the machine instruction is called
The automatic adjusting method it is required that performance described in any one of 1-6 is accompanied.
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| CN201810920127.3A CN109272975B (en) | 2018-08-14 | 2018-08-14 | Automatic adjustment method and device for singing accompaniment and KTV jukebox |
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| CN110060702A (en) * | 2019-04-29 | 2019-07-26 | 北京小唱科技有限公司 | For singing the data processing method and device of the detection of pitch accuracy |
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