CN108074554A - The evaluation method and system of a kind of piano performance - Google Patents
The evaluation method and system of a kind of piano performance Download PDFInfo
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- CN108074554A CN108074554A CN201611020469.7A CN201611020469A CN108074554A CN 108074554 A CN108074554 A CN 108074554A CN 201611020469 A CN201611020469 A CN 201611020469A CN 108074554 A CN108074554 A CN 108074554A
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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
- G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
-
- 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
- G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
-
- 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
- G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
- G10H2240/005—Data structures for use in electrophonic musical devices; Data structures including musical parameters derived from musical analysis
-
- 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
- G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
- G10H2240/121—Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
Abstract
The present embodiments relate to the evaluation 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 equally 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, player is evaluated according to comparative result.The present invention improves the evaluation 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 evaluation 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, piano beginner is by experienced teacher come aided education, and in piano match, evaluation side leads to
It crosses subjective feeling to score etc. to the performance of pianist, by manually commenting Piano Teaching or piano match
There is the problem of evaluation accuracy rate is not high in valency.
The content of the invention
An embodiment of the present invention provides the evaluation methods and system of a kind of piano performance, solve piano in the prior art and drill
The problem of subjective assessment accuracy rate played is not high.
To achieve the above object, in a first aspect, the present invention provides a kind of evaluation 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 equally carries piano key duration and dynamics information；By the audio frequency characteristics file and
The standard audio tag file of the music score of Chinese operas is compared, and player is evaluated 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, piano playing is carried out according to the music score of Chinese operas from the professional player
Audio file in obtain key information of the player when carrying out piano playing, the key information is converted into corresponding steel
Key sequence generates 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 being evaluated according to comparative result player, 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 evaluates player in section.
Preferably, it is described that evaluation procedure 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, emoticon is given a mark or provided to player
Number or voice prompt.
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 evaluation 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 equally carries 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 to playing
Person is evaluated.
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, piano playing is carried out according to the music score of Chinese operas from the professional player
Audio file in obtain key information of the player when carrying out piano playing, the key information is converted into corresponding steel
Key sequence generates 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 evaluates 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, give a mark to player and either provide emoticon or voice prompt.
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 equally carry 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
Player is evaluated, the evaluation accuracy rate of piano performance is improved, 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 evaluation 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 evaluation 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 equally carries
There are piano key 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 player is evaluated.
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, carries out the audio of piano playing according to the music score of Chinese operas from the professional player
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 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 being evaluated according to comparative result player, 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 evaluates 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
Player, which gives a mark, either provides emoticon or voice prompt.
In the following, it is illustrated to how to carry out evaluation.As shown in table 1, the various weights for playing mistake when table 1 is evaluates.
Table 1
Such as：When the button accuracy that pianist plays a certain music score of Chinese operas is 90%, note duration accuracy is 80%,
When dynamics weight accuracy is 70%, according to weight, its score value can be calculated as (total score x weight x accuracy)
Button accuracy score：100 points of x 40%x 90%
Button duration accuracy score：100 points of x 40%x 80%
Keystroke dynamics accuracy score：100 points of * 30%*70%
Total score：89 points
In a kind of possible evaluation method, it can give a mark according to above-mentioned score value to pianist, for example, directly
It connects and score value is shown.
In alternatively possible evaluation method, can emoticon be exported, such as to pianist according to above-mentioned score value
Shown in table 2.
Table 2
In another possible evaluation method, can voice prompt be carried out, as shown in table 3 according to above-mentioned score value.
| Average mark | Grade | Bless language |
| 90-100 | ☆☆☆☆☆ | It is too severe！Really prove to be pianist！ |
| 80-89 | ☆☆☆☆ | It is excellent！Only have from pianist one step away！ |
| 70-79 | ☆☆☆ | , it is good！From pianist within sight！ |
| 60-69 | ☆☆ | Also be greatly improved space, keeps punching！ |
| <60 | ☆ | As long as spare no effort to practice, it is believed that you can do better！ |
Table 3
Using the evaluation 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 equally 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
Compared with being evaluated according to comparative result player, improve the evaluation accuracy rate of piano performance, greatly improve user's body
It tests.
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 equally 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,
Player is evaluated 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, is played from the specialty
Person carries out obtaining key information of the player when carrying out piano playing in the audio file of piano playing according to the music score of Chinese operas, 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.
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
Evaluation.
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, give a mark to player and either provide emoticon or voice prompt.
By the evaluation 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 player is evaluated according to comparative result, improves steel
The evaluation 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 evaluation 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 equally 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 playing
Person is evaluated.
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 professional player's root
It carries out obtaining key information of the player when carrying out piano playing in the audio file of piano playing according to the music score of Chinese operas, by described in
Key information is converted to corresponding piano key sequence, generates standard audio tag file；The piano key sequence equally carries
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 the step of being compared, being evaluated according to comparative result player, 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；
Player is evaluated 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 evaluation procedure, including：
When player leaks bullet or more bullets and note duration and dynamics weight mismatch in self defined time section, to playing
Person, which gives a mark, either provides emoticon or voice prompt.
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 evaluation 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 same
Sample carries 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 evaluates 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 professional player's root
It carries out obtaining key information of the player when carrying out piano playing in the audio file of piano playing according to the music score of Chinese operas, by described in
Key information is converted to corresponding piano key sequence, generates standard audio tag file；The piano key sequence equally carries
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；
Player is evaluated 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
Person, which gives a mark, either provides emoticon or voice prompt.
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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| CN108899004A (en) * | 2018-07-20 | 2018-11-27 | 广州市雅迪数码科技有限公司 | Design of musical notes on staff it is synchronous with MIDI file note and scoring method and device |
| CN112201217A (en) * | 2020-09-22 | 2021-01-08 | 上海汉图科技有限公司 | Method, device and equipment for judging musical instrument playing |
| US11580942B2 (en) * | 2018-05-28 | 2023-02-14 | Sunland Information Technology Co., Ltd. | Systems, methods, smart musical instruments, computer readable media for music score matching |
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Application publication date: 20180525 |