CN108074439A - A kind of piano training mate equipment and piano - Google Patents
A kind of piano training mate equipment and piano Download PDFInfo
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- CN108074439A CN108074439A CN201611031482.2A CN201611031482A CN108074439A CN 108074439 A CN108074439 A CN 108074439A CN 201611031482 A CN201611031482 A CN 201611031482A CN 108074439 A CN108074439 A CN 108074439A
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- 238000012549 training Methods 0.000 title abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 abstract 1
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- 238000005516 engineering process Methods 0.000 description 6
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Classifications
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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
-
- 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
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- Multimedia (AREA)
- Acoustics & Sound (AREA)
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- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The present invention relates to a kind of piano training mate equipment and piano, wherein piano training mate equipment includes：Video acquiring module and/or audio acquisition module and processing module；Wherein, video acquiring module is used to obtain the video file that player carries out piano playing with reference to the music score of Chinese operas；Audio acquisition module is used to obtain the audio file that player carries out piano playing with reference to the music score of Chinese operas；Processing module obtains key information of the player when carrying out piano playing from the video of piano playing, video feature information is extracted according to the key information, and video feature information is recorded in the corresponding video features file of the music score of Chinese operas, by the corresponding video features file of the music score of Chinese operas compared with the normal video tag file of the music score of Chinese operas, player is evaluated according to comparative result and/or error correction.Whether piano training mate equipment provided by the invention can help the music that piano performance learner analysis oneself is played correct, continuously improves and improve the performance level of oneself as the instrument of auxiliary Piano Teaching.
Description
Technical Field
The invention relates to a musical instrument training technique, in particular to a piano training device and a piano.
Background
The rapid development of modern music technology represented by electronic music and the gradual expansion of the technical innovation field are caused by the continuous change of computer multimedia technology and signal processing technology and the infiltration of the computer multimedia technology and the signal processing technology in the fields of music appreciation and creation. A series of problems such as music recognition, classification, feature extraction and the like based on computers and electronic technologies are concerned by more and more researchers.
The idea of 'automatically identifying the correct and wrong piano playing by using a computer' is originated from the penetration of the computer in the field of music creation; therefore, problems such as music recognition, music retrieval, sound recording analysis, and the like have been proposed; therefore, how to help pianists analyze and compare the performance and correct errors thereof by means of computer programs is an urgent problem to be solved.
Disclosure of Invention
The invention aims to realize the functions of automatically evaluating, scoring and correcting the playing process of a piano player and play the role of an electronic piano teacher to a certain extent.
To achieve the above object, in one aspect, the present invention provides a piano sparring apparatus, comprising: the system comprises a video acquisition module and/or an audio acquisition module and a processing module; the video acquisition module is used for acquiring a video file for a player to play a piano by referring to the music score; the audio acquisition module is used for acquiring an audio file for piano playing by a player according to the music score; the processing module is used for acquiring key information of a player in piano playing from the video played by the piano, extracting video characteristic information according to the key information, recording the video characteristic information in a video characteristic file corresponding to the music score, comparing the video characteristic file corresponding to the music score with a standard video characteristic file of the music score, and evaluating and/or correcting errors of the player according to a comparison result; and/or acquiring key information of a player during piano playing according to the audio file, converting the key information into a corresponding piano key sequence, and generating an audio characteristic file; and comparing the audio feature file with the standard audio feature file corresponding to the music score, and evaluating and/or correcting errors of a player according to the comparison result.
Preferably, the piano sparring device further comprises a communication module for acquiring the standard video feature file and/or the standard audio feature file from a server.
Preferably, the piano sparring device further comprises a memory for storing the standard video profile and/or the standard audio profile.
Preferably, the piano sparring apparatus further includes an output module for presenting a processing result of the processing module.
Preferably, the processing module is further configured to obtain the standard video feature file and/or the standard audio feature file in advance according to the music score.
In another aspect, the invention also provides a piano comprising the piano sparring device.
The piano training accompanying equipment provided by the invention can be used as a tool for assisting piano teaching, and helps a piano player learner to analyze whether the music played by the piano player is correct or not, so that the performance level of the piano player is continuously improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. It is to be understood that the drawings in the following description are merely exemplary of some embodiments of the invention.
Fig. 1 is a schematic structural diagram of a first piano partner training device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second piano partner training device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third piano partner training device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a piano according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the convenience of understanding of the embodiments of the present invention, the following description will be further explained with reference to specific embodiments, which are not to be construed as limiting the embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a first piano partner training device according to an embodiment of the present invention. As shown in fig. 1, the piano partner training device 10 includes a video acquisition module 11, an audio acquisition module 12, and a processing module 13.
The video acquiring module 11 is used for acquiring a video file of a player playing a piano with reference to a music score. The processing module 13 is configured to obtain key information of a player during piano playing from a video of piano playing, extract video feature information according to the key information, record the video feature information in a video feature file corresponding to a music score, compare the video feature file corresponding to the music score with a standard video feature file of the music score, and evaluate and/or correct errors of the player according to a comparison result.
Specifically, the processing module 13 compares the piano key duration and the piano key strength information carried by the first piano key sequence in the video feature file corresponding to the music score with the piano key duration and the piano key strength information carried by the second piano key sequence in the standard video feature file of the music score. The obtained comparison results comprise the key-press accuracy, duration accuracy and force accuracy of the player in the user-defined time section. According to the comparison result, the player is scored, or a grade symbol, an emoticon or a character evaluation is given.
In this embodiment, as shown in table 1, different weights are assigned to the key accuracy, the duration accuracy, and the force accuracy, so that the player is scored. For example, when a player plays a certain song, the comparison results show that the key press accuracy, duration accuracy and force accuracy are: at 90%, 80% and 70%, the corresponding scores can be calculated as: 100 minutes × (90% × 40% + 80% × 40% + 70% × 30%) -89 minutes. Corresponding rating symbols or text ratings may also be given according to the scores, as shown in table 2.
(Table 1)
(Table 2)
| Score value | Grade | Blessing words |
| 90-100 | ☆☆☆☆☆ | Too much! The truth is really a piano player! |
| 80-89 | ☆☆☆☆ | True club! Leave the piano player only one step distant! |
| 70-79 | ☆☆☆ | The baby's neck is not affected! Not far from the piano player! |
| 60-69 | ☆☆ | There is also great room for improvement, and efforts continue to be directed to bars! |
| <60 | ☆ | Believing you can do better as long as they work diligently! |
The audio acquisition module 12 is for acquiring an audio file for a player to play a piano with reference to a music score. The processing module 13 is configured to obtain key information of a player during piano playing according to the audio file, convert the key information into a corresponding piano key sequence, and generate an audio feature file; and comparing the audio feature file with the standard audio feature file corresponding to the music score, and evaluating and/or correcting errors of a player according to the comparison result.
Specifically, the processing module 13 acquires key information of a player during piano playing from the audio file of piano playing, converts the key information into a corresponding piano key sequence, and generates an audio feature file; the piano key sequence also carries piano key duration and force information. Each measure in the music score includes a plurality of notes, a group of identification sequences corresponding to each measure is obtained, and the piano key sequence may include a plurality of groups of identification sequences. The set of identification sequences includes a plurality of parameter information, and the parameter information may be one or more of numerical information, character information, and fractional information.
The piano key duration information processing method comprises the steps of converting key points corresponding to notes into corresponding numerical information, obtaining a group of identification sequences corresponding to each measure, converting force information into corresponding character information, obtaining a group of identification sequences corresponding to each measure, converting piano key duration corresponding to the notes into corresponding fractional information, and obtaining a group of identification sequences corresponding to each measure.
For example, one of the generated sets of identification sequences is 4[ pp ]28(1/4) { sf }44(2/4) { dim }47(1/4) { }52(4/4) { }, where the number "4": indicating that this bar has four keypoints; the numbers "28", "44", "47", "52" represent four different key points; wherein, the number "28" corresponds to the number of the 28 th key, because the frequency range of each key is different, 28 can be regarded as a frequency point corresponding to a pitch; character [ pp ]: indicating the strength information of the player when playing (accordingly, the characters in [ PP ] may have different options, e.g., PPP for weakest, PP for very weak, P for weak, mp for medium weak, mf for medium strong, f for strong, ff for very strong, and fff for strongest); subformula (1/4): indicating duration, such as 1/4 indicating 1/4 beats; character { sf }: expressed as a special symbol, sf is single force information; character { dim }: indicated as fade-out in the valid range. If the special symbol is not represented, the force information is 0.
In one example, the piano key sequence includes a plurality of logo 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){}
……
the piano key sequence is included in the audio feature file.
It should be noted that the video acquisition module 11 may be a depth camera. The depth camera can be a TOF (time of flight) camera, the TOF camera emits modulated near-infrared light by using a sensor, the modulated near-infrared light is reflected after encountering an object, and the sensor converts the distance of a shot scene by calculating the time difference or the phase difference between the emission and reflection of the light to generate depth information. The measuring range can reach several meters, the precision is less than 2cm, and the updating frequency per second can reach 30-60 fps. The audio acquisition module 12 may be a microphone.
Fig. 2 is a schematic structural diagram of a second piano partner training device according to an embodiment of the present invention. As shown in fig. 2, the piano partner training device 10 includes a video acquisition module 11, an audio acquisition module 12, a processing module 13, a storage module 14, and an output module 15.
The storage module 14 is used for storing a standard video feature file and/or a standard audio feature file, the processing module 13 compares the standard video feature file stored in the storage module 14 with the video feature file corresponding to the music score acquired by the video acquisition module 11, evaluates and/or corrects the error of the player according to the comparison result, and presents the processing result of the processing module 13 through the output module 15.
Or the processing module 13 compares the standard audio feature file stored in the storage module 14 with the audio feature file corresponding to the music score acquired by the audio acquisition module 12, evaluates and/or corrects the error of the player according to the comparison result, and presents the processing result of the processing module 13 through the output module 15.
It should be noted that the output module 15 may be a display screen. The result of the processing may be to present a score value on a display screen, or to present an emoticon, or to present a voice prompt.
Fig. 3 is a schematic structural diagram of a third piano partner training device according to an embodiment of the present invention. As shown in fig. 3, the third piano partner training apparatus includes a video acquisition module 11, an audio acquisition module 12, a processing module 13, a storage module 14, an output module 15, and a communication module 16.
The communication module 16 is used for downloading the pre-made standard video feature file and/or standard audio feature file from the remote server and storing the pre-made standard video feature file and/or standard audio feature file in the storage module 14. The processing module 13 compares the standard video feature file stored in the storage module 14 with the video feature file corresponding to the music score acquired by the video acquisition module 11, evaluates and/or corrects the error of the player according to the comparison result, and presents the processing result of the processing module 13 through the output module 15. Or the processing module 13 compares the standard audio feature file stored in the storage module 14 with the audio feature file corresponding to the music score acquired by the audio acquisition module 12, evaluates and/or corrects the error of the player according to the comparison result, and presents the processing result of the processing module 13 through the output module 15.
The piano training accompanying equipment provided by the invention can be used as a tool for assisting piano teaching, and helps a piano player learner to analyze whether the music played by the piano player is correct or not, so that the performance level of the piano player is continuously improved.
Fig. 4 is a schematic structural diagram of a piano according to an embodiment of the present invention. As shown in fig. 4, the piano is equipped with the piano partner training device shown in fig. 1 to 3.
It will be further appreciated by those of ordinary skill in the art that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, the components and steps of the various examples having been described herein generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether these functions are performed in hardware or software depends on the particular application of the solution and design constraints. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A piano sparring apparatus, comprising: the system comprises a video acquisition module and/or an audio acquisition module and a processing module; wherein,
the video acquisition module is used for acquiring a video file for a player to play the piano according to the music score;
the audio acquisition module is used for acquiring an audio file for piano playing by a player according to the music score;
the processing module is used for acquiring key information of a player in piano playing from the video played by the piano, extracting video characteristic information according to the key information, recording the video characteristic information in a video characteristic file corresponding to the music score, comparing the video characteristic file corresponding to the music score with a standard video characteristic file of the music score, and evaluating and/or correcting errors of the player according to a comparison result; and/or
Acquiring key information of a player during piano playing according to the audio file, converting the key information into a corresponding piano key sequence, and generating an audio feature file; and comparing the audio feature file with the standard audio feature file corresponding to the music score, and evaluating and/or correcting errors of a player according to the comparison result.
2. The device of claim 1, further comprising a communication module configured to obtain the standard video profile and/or standard audio profile from a server.
3. The apparatus of claim 1 or 2, further comprising a memory for storing the standard video profile and/or standard audio profile.
4. The apparatus of claim 1, further comprising an output module for presenting processing results of the processing module.
5. The device according to claim 4, wherein the output module is specifically configured to: presenting a score value, or giving an emoticon.
6. The device according to claim 4, wherein the output module is specifically configured to: and giving a voice prompt.
7. The apparatus of claim 4 or 5, wherein the output module is a display screen.
8. The apparatus of claim 1, wherein the video acquisition module is a depth camera.
9. The apparatus of claim 1, wherein the processing module is further configured to pre-fetch the standard video profile and/or the standard audio profile according to a music score.
10. A piano comprising a piano sparring device as claimed in any one of claims 1-9.
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| CN108961920A (en) * | 2018-07-27 | 2018-12-07 | 姚岚 | A kind of piano remote-distance teaching system |
| CN109191490A (en) * | 2018-09-29 | 2019-01-11 | 北京哆咪大狮科技有限公司 | Key action recognition device, key motion detection system and detection method |
| CN109344794A (en) * | 2018-10-19 | 2019-02-15 | 深圳市微蓝智能科技有限公司 | A kind of piano performance methods of marking, device and computer storage medium |
| CN109460743A (en) * | 2018-11-22 | 2019-03-12 | 北京哆咪大狮科技有限公司 | A kind of key motion recognition system |
| CN109741658A (en) * | 2019-03-20 | 2019-05-10 | 任磊 | A kind of Multi-function electronic music instrument tutoring system for music teaching |
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| CN111312015A (en) * | 2019-10-31 | 2020-06-19 | 安徽踏极智能科技有限公司 | Transmission system based on piano teaching information |
| CN111524418A (en) * | 2020-03-16 | 2020-08-11 | 北京编程猫科技有限公司 | Method and device for improving graphical programming level of user |
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| CN112652209A (en) * | 2020-12-21 | 2021-04-13 | 河南理工大学 | A solfeggio trainer that is arranged in basic music branch of academic or vocational study teaching |
| CN113255470B (en) * | 2021-05-06 | 2024-04-02 | 李岱勋 | Multi-mode piano accompany training system and method based on hand gesture estimation |
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| CN114783219A (en) * | 2022-05-20 | 2022-07-22 | 小叶子（北京）科技有限公司 | Supporting support and piano are used in musical instrument performance |
| CN114973809A (en) * | 2022-06-23 | 2022-08-30 | 广州游乐学科技有限公司 | Piano playing learning system, method and device |
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Application publication date: 20180525 |