CN108074438A - The error correction method and system of a kind of piano performance - Google Patents
The error correction method and system of a kind of piano performance Download PDFInfo
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- CN108074438A CN108074438A CN201611027867.1A CN201611027867A CN108074438A CN 108074438 A CN108074438 A CN 108074438A CN 201611027867 A CN201611027867 A CN 201611027867A CN 108074438 A CN108074438 A CN 108074438A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
Abstract
The present embodiments relate to the error correction method and system of a kind of piano performance, the described method includes：Obtain the audio file that player carries out piano playing with reference to the music score of Chinese operas；Key information of the player when carrying out piano playing is obtained from the audio file of the piano playing, the key information is converted into corresponding piano key sequence, generates audio frequency characteristics file；The piano key sequence carries piano key duration and dynamics information；The standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas is compared, error correction is carried out to player according to comparative result.The present invention improves the error correction accuracy rate of piano performance, greatly improves user experience.
Description
Technical field
The present invention relates to audio analysis and process field more particularly to the error correction methods and system of a kind of piano performance.
Background technology
Music is a part for human soul, and piano is known as " king of musical instrument ", with social progress and the hair in epoch
Exhibition, people start to focus on spiritual pursuit and personal mastery, and substantial amounts of piano is all emerged in the people of each age stratum
Learner, large quantities of training organizations also comes into being.
In the prior art, pianophile determines mistake during practice when carrying out piano performance by the guidance of expert
By mistake and how the mistake is corrected, and since subjective factor (expends energy and expert's human-subject test is different), causes error correction
Accuracy rate it is not high.
The content of the invention
An embodiment of the present invention provides the error correction methods and system of a kind of piano performance, solve error correction of the prior art
The problem of accuracy rate is not high.
To achieve the above object, in a first aspect, the present invention provides a kind of error correction method of piano performance, including following step
Suddenly：Obtain the audio file that player carries out piano playing with reference to the music score of Chinese operas；It obtains and drills from the audio file of the piano playing
The key information is converted to corresponding piano key sequence, generates audio by key information of the person of playing when carrying out piano playing
Tag file；The piano key sequence carries piano key duration and dynamics information；By the audio frequency characteristics file and described
The standard audio tag file of the music score of Chinese operas is compared, and error correction is carried out to player according to comparative result.
Preferably, the standard audio tag file of the music score of Chinese operas is generated by following steps：It obtains by the player of specialty
According to the audio file for the piano playing that the music score of Chinese operas carries out, the piano carried out from the player of the specialty according to the music score of Chinese operas
Key information of the player when carrying out piano playing is obtained in the audio file played, the key information is converted into correspondence
Piano key sequence, generate standard audio tag file；The piano key sequence equally carries piano key duration and dynamics
Information.
Preferably, the standard audio tag file by the audio frequency characteristics file and the music score of Chinese operas is compared, root
The step of error correction is carried out to player according to comparative result, including：Piano key sequence in the audio frequency characteristics file is carried
The piano key duration that piano key duration and dynamics information are carried with the piano key sequence in the standard audio tag file
It is compared with dynamics information, obtain player in self-defined time section plays mistake；According to the self defined time area
The mistake of playing of player carries out error correction to player in section.
Preferably, it is described that error correction step is carried out to player according to comparative result, including：It is drilled in self defined time section
When the person of playing leaks bullet or more bullets and note duration and dynamics weight mismatch, it is marked to playing mistake.
Preferably, the standard audio tag file of the music score of Chinese operas is downloaded or prestored from server by network.
Second aspect, the present invention provides a kind of error correction system of piano performance, including：First acquisition module, for obtaining
Player is taken to carry out the audio file of piano playing with reference to the music score of Chinese operas；Second acquisition module, for from the audio of the piano playing
Key information of the player when carrying out piano playing is obtained in file, the key information is converted into corresponding piano bond order
Row generate audio frequency characteristics file；The piano key sequence carries piano key duration and dynamics information；Processing module is used for
The standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas is compared, according to comparative result to player into
Row error correction.
Preferably, the standard audio tag file of the music score of Chinese operas is generated by following steps：It obtains by the player of specialty
According to the audio file for the piano playing that the music score of Chinese operas carries out, the piano carried out from the player of the specialty according to the music score of Chinese operas
Key information of the player when carrying out piano playing is obtained in the audio file played, the key information is converted into correspondence
Piano key sequence, generate standard audio tag file；The piano key sequence equally carries piano key duration and dynamics
Information.
Preferably, the processing module is specifically used for：The steel that piano key sequence in the audio frequency characteristics file is carried
Piano key duration that qin button duration and dynamics information are carried with the piano key sequence in the standard audio tag file and
Dynamics information is compared, and obtain player in self-defined time section plays mistake；According to the self defined time section
The mistake of playing of interior player carries out error correction to player.
Preferably, the processing module is specifically used for：Player leaks bullet or more bullets, Yi Jiyin in self defined time section
When according with duration and dynamics weight mismatch, it is marked to playing mistake.
Preferably, the standard audio tag file of the music score of Chinese operas is downloaded or prestored from server by network.
Compared to the prior art, the application is by obtaining audio file of the player with reference to music score of Chinese operas progress piano playing；From
Key information of the player when carrying out piano playing is obtained in the audio file of the piano playing, the key information is turned
Corresponding piano key sequence is changed to, generates audio frequency characteristics file；The piano key sequence carries piano key duration and dynamics
Information；The standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas is compared, according to comparative result to drilling
The person of playing carries out error correction, improves the error correction accuracy rate of piano performance, greatly improves user experience.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that the accompanying drawings in the following description is only some embodiments of the present invention.
Fig. 1 is a kind of error correction method flow diagram of piano performance provided in an embodiment of the present invention；
Fig. 2 is a kind of system construction drawing of piano performance provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work belong to the scope of protection of the invention.
For ease of the understanding to the embodiment of the present invention, it is further explained below in conjunction with attached drawing with specific embodiment
Bright, embodiment does not form the restriction to the embodiment of the present invention.
Fig. 1 is a kind of error correction method flow diagram of piano performance provided in an embodiment of the present invention.It as shown in Figure 1, should
Method includes：
S101 obtains the audio file that player carries out piano playing with reference to the music score of Chinese operas.
S102 obtains key information of the player when carrying out piano playing from the audio file of the piano playing,
The key information is converted into corresponding piano key sequence, generates audio frequency characteristics file；The piano key sequence carries steel
Qin button duration and dynamics information.
Specifically, include multiple notes in the music score of Chinese operas inside each trifle, obtain the corresponding one group of mark sequence of each trifle
Row, piano key sequence can include multigroup mark sequence.One group of mark sequence includes multiple parameters information, and parameter information can be
One or more in numerical information, character information and fraction information.
Wherein it is possible to which the button point corresponding to note is converted to corresponding numerical information, it is corresponding to obtain each trifle
One group of mark sequence and/or dynamics information is converted into corresponding character information, obtains the corresponding one group of mark sequence of each trifle
It arranges and/or the piano key duration corresponding to note is converted into corresponding fraction information, it is one group corresponding to obtain each trifle
Identify sequence.
For example, the one of which mark sequence of generation is 4 [pp] 28 (1/4) { sf } 44 (2/4) { dim }, 47 (1/4) { } 52
(4/4) { }, wherein, digital " 4 "：Representing this trifle, there are four button points；Digital " 28 ", " 44 ", " 47 ", " 52 " represent four
Different button points；Wherein, the number of the 28th of digital " 28 " corresponding key, because the frequency range of each button is different,
It is considered that 28 be a Frequency point, a corresponding pitch；Character [pp]：Represent that dynamics information when player plays is (corresponding
Ground, the character in [pp] can have different options, such as PPP represents most weak, and PP represents very weak, and P represents weak, during mp is represented
Weak, mf is strong in representing, f represents strong, and ff represents very strong, and fff represents most strong)；Fraction (1/4)：Represent duration, for example 1/4 represents
1/4 claps；Character { sf }：Additional character is expressed as, sf is single dynamics information；Character { dim }：It is expressed as in effective range gradually
It is weak.If additional character does not represent, dynamics information is 0.
In one example, piano key sequence includes multiple mark sequences, as follows：
6[pp]32(1/4){sf}44(2/4){dim}47(1/4){}52(4/4){}
4[pp]28(1/4){sf}44(2/4){dim}47(1/4){}52(4/4){}
7[mf]38(1/4){sf}44(2/4){dim}47(1/4){}52(4/4){}
5[mp]52(1/4){sf}44(2/4){dim}47(1/4){}52(4/4){}
3[ppp]58(1/4){sf}44(2/4){dim}47(1/4){}52(4/4){}
……
Audio frequency characteristics file includes above-mentioned piano key sequence.
It should be noted that above-mentioned steps can also be completed by machine.
The standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas is compared by S103, according to comparing
As a result error correction is carried out to player.
Wherein, the standard audio tag file of the music score of Chinese operas is generated by following steps：The player by specialty is obtained according to institute
The audio file of the piano playing of music score of Chinese operas progress is stated, the piano playing carried out from the player of the specialty according to the music score of Chinese operas
Key information of the player when carrying out piano playing is obtained in audio file, the key information is converted into corresponding piano
Key sequence generates standard audio tag file；The piano key sequence equally carries piano key duration and dynamics information.
The standard audio tag file of the music score of Chinese operas is downloaded or prestored from server by network.
Specifically, the step of error correction being carried out to player according to comparative result, including：It will be in the audio frequency characteristics file
The piano key duration and dynamics information that piano key sequence carries are taken with the piano key sequence in the standard audio tag file
The piano key duration and dynamics information of band are compared, and obtain player in self-defined time section plays mistake；According to
The mistake of playing of player carries out error correction to player in the self defined time section.
The mistake of playing of player includes player's leakage bullet or more bullets and note duration and power in self defined time section
Weight is spent to mismatch.
It is right when player leaks bullet or more bullets and note duration and dynamics weight mismatch in self defined time section
Mistake is played to be marked.
In a possible realization method, preset it is various play the corresponding color of mistake, such as：Key errors
(leakage bullet or more bullets) is arranged to red, and note duration mismatch is arranged to orange, and dynamics weight mismatch is arranged to yellow.When going out
It when now playing mistake accordingly, is marked on audio frequency characteristics file, and the audio frequency characteristics file translation after mark is come out,
It is presented to pianist.
In another possible realization method, mistake is played in real-time voice prompting, for example " leakage bullet ", dynamics kick the beam " etc..
In another possible realization method, preset it is various play the corresponding sound of mistake, such as：Key errors
(leakage bullet or more bullets) is arranged to " ticking ", and note duration mismatch is arranged to " ticking ", and dynamics weight mismatch is arranged to
" ticking ".When occurring playing mistake accordingly, real-time voice prompting is carried out.
Using the error correction method of piano performance provided by the invention, piano playing is carried out with reference to the music score of Chinese operas by obtaining player
Audio file；Key information of the player when carrying out piano playing is obtained from the audio file of the piano playing, it will
The key information is converted to corresponding piano key sequence, generates audio frequency characteristics file；The piano key sequence carries piano
Button duration and dynamics information；The standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas is compared, root
Error correction is carried out to player according to comparative result, the error correction accuracy rate of piano performance is improved, greatly improves user experience.
Fig. 2 is a kind of system construction drawing of piano performance provided in an embodiment of the present invention, as shown in Fig. 2, the piano performance
System 20 includes：First acquisition module 21, the second acquisition module 22, processing module 23.
First acquisition module 21 is used to obtain the audio file that player carries out piano playing with reference to the music score of Chinese operas；
Second acquisition module 22 is used to obtain player from the audio file of the piano playing in progress piano playing
When key information, the key information is converted into corresponding piano key sequence, generates audio frequency characteristics file；The piano key
Sequence carries piano key duration and dynamics information；
Processing module 23 is used to the standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas being compared,
Error correction is carried out to player according to comparative result.
Wherein, the standard audio tag file of the music score of Chinese operas is generated by following steps：
The audio file of the piano playing carried out by the player of specialty according to the music score of Chinese operas is obtained, from drilling for the specialty
Button letter of the player when carrying out piano playing is obtained in the audio file for the piano playing that the person of playing carries out according to the music score of Chinese operas
The key information is converted to corresponding piano key sequence, generates standard audio tag file by breath；The piano key sequence is same
Sample carries piano key duration and dynamics information.
The standard audio tag file of the music score of Chinese operas is downloaded or prestored from server by network.
Further, processing module 23 is specifically used for：
Piano key duration and dynamics information that piano key sequence in the audio frequency characteristics file is carried and the mark
The piano key duration and dynamics information that piano key sequence in quasi- audio frequency characteristics file carries are compared, when obtaining self-defined
Between in section player play mistake；Player is carried out according to the mistake of playing of player in the self defined time section
Error correction.
Processing module 23 is specifically used for：In self defined time section player leak bullet or more bullets and note duration and
When dynamics weight mismatches, it is marked to playing mistake.
By the error correction system of application piano performance provided in an embodiment of the present invention, the first acquisition module obtains player's ginseng
The audio file of piano playing is carried out according to the music score of Chinese operas；Second acquisition module obtains player from the audio file of the piano playing
The key information is converted to corresponding piano key sequence, generates audio frequency characteristics by the key information when carrying out piano playing
File；The piano key sequence equally carries piano key duration and dynamics information；Processing module is literary by the audio frequency characteristics
The standard audio tag file of part and the music score of Chinese operas is compared, and is carried out error correction to player according to comparative result, is improved steel
The error correction accuracy rate that qin is played, greatly improves user experience.
Those of ordinary skill in the art should further appreciate that, be described with reference to the embodiments described herein
Each exemplary module and algorithm steps, can be realized with the combination of electronic hardware, computer software or the two, in order to clear
Illustrate to Chu the interchangeability of hardware and software, generally describe each exemplary group according to function in the above description
Into and step.These functions hold track with hardware or software mode actually, depending on technical solution specific application and set
Count constraints.Those of ordinary skill in the art can be described to be realized using distinct methods to each specific application
Function, but this realization is it is not considered that beyond scope of the present application.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiments of the present invention, is not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of error correction method of piano performance, which is characterized in that comprise the following steps：
Obtain the audio file that player carries out piano playing with reference to the music score of Chinese operas；
Key information of the player when carrying out piano playing is obtained from the audio file of the piano playing, by the button
Information is converted to corresponding piano key sequence, generates audio frequency characteristics file；The piano key sequence carries piano key duration
With dynamics information；
The standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas is compared, according to comparative result to playing
Person carries out error correction.
2. according to the method described in claim 1, it is characterized in that：The standard audio tag file of the music score of Chinese operas passes through following step
Rapid generation：
The audio file of the piano playing carried out by the player of specialty according to the music score of Chinese operas is obtained, from the player of the specialty
Key information of the player when carrying out piano playing is obtained in the audio file of the piano playing carried out according to the music score of Chinese operas, it will
The key information is converted to corresponding piano key sequence, generates standard audio tag file；The piano key sequence is equally taken
With piano key duration and dynamics information.
3. method according to claim 1 or 2, which is characterized in that described by the audio frequency characteristics file and the music score of Chinese operas
Standard audio tag file be compared, according to comparative result to player carry out error correction the step of, including：
Piano key duration and dynamics information that piano key sequence in the audio frequency characteristics file is carried and the standard pronunciation
The piano key duration and dynamics information that piano key sequence in frequency tag file carries are compared, and obtain self-defined time zone
Player's plays mistake in section；
Error correction is carried out to player according to the mistake of playing of player in the self defined time section.
4. according to the method described in any claim in claim 1-3, which is characterized in that it is described according to comparative result to drilling
The person of playing carries out error correction step, including：
When player leaks bullet or more bullets and note duration and dynamics weight mismatch in self defined time section, to playing
Mistake is marked.
5. according to the method described in claim 1, it is characterized in that：The standard audio tag file of the music score of Chinese operas by network from
Server is downloaded or prestored.
6. a kind of error correction system of piano performance, which is characterized in that including：
First acquisition module carries out the audio file of piano playing for obtaining player with reference to the music score of Chinese operas；
Second acquisition module, for obtaining player's pressing when carrying out piano playing from the audio file of the piano playing
The key information is converted to corresponding piano key sequence, generates audio frequency characteristics file by key information；The piano key sequence is taken
With piano key duration and dynamics information；
Processing module, for the standard audio tag file of the audio frequency characteristics file and the music score of Chinese operas to be compared, according to
Comparative result carries out error correction to player.
7. system according to claim 6, it is characterised in that：The standard audio tag file of the music score of Chinese operas passes through following step
Rapid generation：
The audio file of the piano playing carried out by the player of specialty according to the music score of Chinese operas is obtained, from the player of the specialty
Key information of the player when carrying out piano playing is obtained in the audio file of the piano playing carried out according to the music score of Chinese operas, it will
The key information is converted to corresponding piano key sequence, generates standard audio tag file；The piano key sequence is equally taken
With piano key duration and dynamics information.
8. the system according to claim 6 or 7, which is characterized in that the processing module is specifically used for：
Piano key duration and dynamics information that piano key sequence in the audio frequency characteristics file is carried and the standard pronunciation
The piano key duration and dynamics information that piano key sequence in frequency tag file carries are compared, and obtain self-defined time zone
Player's plays mistake in section；
Error correction is carried out to player according to the mistake of playing of player in the self defined time section.
9. according to the system described in any claim in claim 6-8, which is characterized in that the processing module is specifically used
In：
When player leaks bullet or more bullets and note duration and dynamics weight mismatch in self defined time section, to playing
Mistake is marked.
10. system according to claim 6, it is characterised in that：The standard audio tag file of the music score of Chinese operas passes through network
It downloads or prestores from server.
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| WO2019228230A1 (en) * | 2018-05-28 | 2019-12-05 | Sunland Information Technology Co., Ltd. | Systems, methods, smart musical instruments, computer readable media for music score matching |
| CN111976329A (en) * | 2020-08-31 | 2020-11-24 | 深圳市月白电子科技有限公司 | Staff automatic following method and automatic tracking system in musical instrument playing |
| CN112598963A (en) * | 2021-02-05 | 2021-04-02 | 黄兴辉 | Piano fingering exercise system |
| CN112863464A (en) * | 2021-01-20 | 2021-05-28 | 小叶子（北京）科技有限公司 | Piano partner training method and system based on audio interaction |
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