CN104575159B - Plucked instrument fingering automatic identification tutoring system - Google Patents
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- CN104575159B CN104575159B CN201510029431.5A CN201510029431A CN104575159B CN 104575159 B CN104575159 B CN 104575159B CN 201510029431 A CN201510029431 A CN 201510029431A CN 104575159 B CN104575159 B CN 104575159B
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Abstract
The invention discloses plucked instrument fingering automatic identification tutoring system, including signal acquisition subsystem and correction study subsystem, the signal acquisition subsystem is the contact signal acquisition subsystem being arranged on plucked instrument or the non-contact type signal acquisition subsystem set in vitro with musical instrument, the correction study subsystem is arranged on client, and signal acquisition subsystem realizes that long-range comparing points out remedial instruction with correction study subsystem by wireless signal.Plucked instrument fingering automatic identification tutoring system Freedom of learning degree of the present invention is high, mode of learning is intelligent, the features such as correct real-time, correction three-dimensional and be with low cost.
Description
Technical field
The present invention relates to musical instrument field of Educational Technology, plucked instrument fingering automatic identification tutoring system is specifically referred to.
Background technology
The study of plucked instrument has its particularity, and the form typically personally instructed by participating in is realized.And general pleasure
Device training class is in order to maximally utilise teaching resource, and there are clear and definite rule in its specific class period and specific place of attending class
It is fixed, and heavy study monetary cost and learning time cost is brought to learner accordingly, it is unfavorable for the further of plucked instrument
Spread of education.Meanwhile, personally instruct form and generally use microteaching pattern, the study details for each learner can not be simultaneous one by one
Turn round and look at, it is impossible to it is corrected in time in time, the effect of study is had a strong impact on.
The content of the invention
The present invention for traditional musical instrument teaching presence at present by restrictions such as time places, cost is higher and teaching is directed to
Property the problems such as do not influence teaching efficiency by force there is provided plucked instrument fingering automatic identification tutoring system, with Freedom of learning degree it is high, learn
Habit pattern is intelligent, correct real-time, correction three-dimensional and advantage with low cost.
The present invention can be achieved through the following technical solutions：
Plucked instrument fingering automatic identification tutoring system includes signal acquisition subsystem and correction study subsystem, the letter
Number acquisition subsystem be the contact signal acquisition subsystem or musical instrument being arranged on plucked instrument set in vitro it is contactless
Signal acquisition subsystem, the correction study subsystem is arranged on client, and signal acquisition subsystem receives correction study subsystem
The guiding signal that system is sent, the signal acquisition subsystem realizes that long-range comparing is carried with correction study subsystem by wireless signal
Show remedial instruction.
The contact signal acquisition subsystem includes study-leading module, ADC modular converters, piezoelectric membrane sensing acquisition
Module, processor MCU module, signal amplification module and the first wireless transport module, the piezoelectric membrane sensing acquisition module with
ADC modular converters are connected, and the ADC modular converters, study-leading module are connected with processor MCU module simultaneously, the processing
Device MCU module is connected with signal amplification module, and the signal amplification module is connected with the first wireless transport module.
The non-contact type signal acquisition subsystem include study-leading module, ADC modular converters, musical sound acquisition module,
Sound recognition module, processor MCU module, signal amplification module and the first wireless transport module, the musical sound acquisition module with
Sound recognition module is connected, and the sound recognition module is connected with ADC modular converters, the ADC modular converters, study-leading mould
Block is connected with processor MCU module simultaneously, and the processor MCU module is connected with signal amplification module, and the signal amplifies mould
Block is connected with the first wireless transport module.
The correction study subsystem includes the second wireless transport module, signal decoder module, sets control module, storage
Module, signal fusing module, setting control module, DAC modular converters, display module, sound module and vibration module.Described
Two wireless transport modules are connected with signal decoder module, and signal decoder module is connected with DAC modular converters, DAC modular converters, are deposited
Storage module with setting control module to be connected, sets control module to connect simultaneously with display module, sound module and vibration module simultaneously
Connect.In actual design, the correction study subsystem is soft based on android system, Linux system or windows systems
Intelligence system of the part customer integration on client hardware.
The signal acquisition subsystem also includes identity matching module, the identity matching module and processor MCU module
Connection.
The signal acquisition subsystem also includes output interface module, and the output interface module connects with signal amplification module
Connect.
The correction study subsystem also includes input interface module, and the input interface module connects with signal decoder module
Connect.
The plucked instrument is guitar, and the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, the piezoelectricity
Thin film sensor is separately positioned on the grade of guitar, lower chord pillow position and sound hole.
The plucked instrument is that in You Keli, the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, described
Piezoelectric film sensor is separately positioned on grade, lower chord pillow position and sound hole in You Keli.
The plucked instrument is bass, and the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, the piezoelectricity
Thin film sensor is separately positioned on the grade of bass, lower chord pillow position and sound hole.
The plucked instrument is Chinese zither, and the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, the piezoelectricity
Thin film sensor is separately positioned on below the capotasto of Chinese zither.
The client includes smart mobile phone, computer and tablet personal computer.
First wireless transport module and the second wireless transport module be Bluetooth transmission unit, infrared transmission unit or
Wifi transmission units.
The display module is TV, display or touch-screen.
Plucked instrument fingering automatic identification tutoring system of the present invention, compared with prior art, with following beneficial effect：
Firstth, Freedom of learning degree is high, is not restricted by place, teacher and time, signal acquisition subsystem is provided with as long as possessing
Musical instrument and be provided with correction study subsystem client can be learnt at any time；
Secondth, mode of learning is intelligent, and the correction study subsystem is arranged on client, and the client possesses guiding
Prompting, alignment score, unrestricted choice set and corrected the functions such as prompting, and intelligence degree is high；
3rd, correct real-time, signal acquisition subsystem senses transmission and plays position signalling or identification specifically in real time
Note signal, correction study subsystem real-time reception simultaneously compares progress correction prompting in error conditions, and the rapid mistake that carries out is rectified
Positive teaching, implements to ensure results of learning；
4th, three-dimensional is corrected, by setting study-leading module in signal acquisition subsystem and learning subsystem in correction
System sets display module to carry out visualization correction, and auditory correction is carried out by sound module, is carried by vibration module formation tactile
Show, form three-dimensional correction, further results of learning；
5th, with low cost, the performance study of musical instrument need not put into excessive qualified teachers' cost, without learning to put into for the class of report
Time cost, substantially reduces the cost of study.
Brief description of the drawings
Accompanying drawing 1 is the contact signal acquisition subsystem principle frame of plucked instrument fingering automatic identification tutoring system of the present invention
Figure；
Accompanying drawing 2 is the non-contact type signal acquisition subsystem principle of plucked instrument fingering automatic identification tutoring system of the present invention
Block diagram；
Accompanying drawing 3 learns subsystem theory diagram for the correction of plucked instrument fingering automatic identification tutoring system of the present invention.
Embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, with reference to embodiment and accompanying drawing
Product of the present invention is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, plucked instrument fingering automatic identification tutoring system includes contact signal acquisition subsystem
System and correction study subsystem, the signal acquisition subsystem is the contact signal acquisition subsystem being arranged on plucked instrument
Or the non-contact type signal acquisition subsystem that musical instrument is set in vitro, correction study subsystem is arranged on client, the letter
Number acquisition subsystem realizes that long-range comparing points out remedial instruction with correction study subsystem by wireless signal.Learner is in guiding
The particular location of musical instrument is played under the guiding of signal, line position is entered in the position that signal acquisition subsystem learner specifically plays
Put to transmit after signal acquisition or note signal identification and send, correction study subsystem receives what the transmission of signal acquisition subsystem was sent
Position signalling or specific note signal are simultaneously compared in the guiding signal sent, and orthetics is sent in the case where comparing failure
Practise prompting.
As shown in figure 1, the contact signal acquisition subsystem is thin including study-leading module, ADC modular converters, piezoelectricity
Film sensing acquisition module, processor MCU module, signal amplification module and the first wireless transport module, the piezoelectric membrane sensing
Acquisition module is connected with ADC modular converters, and the ADC modular converters, study-leading module connect with processor MCU module simultaneously
Connect, the processor MCU module is connected with signal amplification module, the signal amplification module and the first wireless transport module connect
Connect.When specifically being learnt, study-leading module is the miniature LED for being arranged on different colours on shoegaze particular location
Lamp, when carrying out playing study, the first wireless transport module receives the wireless note signal guiding that correction study subsystem is sent
Learner carries out playing exercise, and piezoelectric membrane sensing acquisition module is specifically played position and sensed to learner's, then
The position signalling sensed is sent to ADC modular converters and carries out analog-to-digital conversion, and then the numeral of the particular location sensed is believed
Number processor MCU module is sent to, processor MCU module is carried out the position digital signal sensed by signal amplification module
Amplification, is wirelessly outwards transmitted eventually through the first wireless transport module, convenient that correction prompting is subsequently compared.
As shown in Fig. 2 the non-contact type signal acquisition subsystem includes study-leading module, ADC modular converters, musical sound
Acquisition module, sound recognition module, processor MCU module, signal amplification module and the first wireless transport module, the musical sound are adopted
Collection module is connected with sound recognition module, and the sound recognition module is connected with ADC modular converters, the ADC modular converters, is drawn
Lead study module to connect with processor MCU module simultaneously, the processor MCU module is connected with signal amplification module, the letter
Number amplification module is connected with the first wireless transport module.When specifically being learnt, study-leading module is played to be arranged on
The micro LED lamp of different colours on musical instrument particular location, when carrying out playing study, the first wireless transport module receives orthetics
The wireless note signal study-leading person that habit subsystem is sent carries out playing exercise, and musical sound acquisition module is highly sensitive Mike
Wind, musical sound acquisition module is acquired the musical sound that learner specifically plays, and is then delivered to sound recognition module and carries out specifically
The specific note signal recognized, is then sent to ADC modular converters and carries out analog-to-digital conversion, and then handle by the identification of note signal
The data signal of the specific note recognized is sent to processor MCU module, and processor MCU module is the specific note recognized
Data signal is amplified by signal amplification module, is wirelessly outwards transmitted eventually through the first wireless transport module, after convenience
It is continuous that correction prompting is compared.
As described in Figure 3, the correction study subsystem includes the second wireless transport module, signal decoder module, sets control
Molding block, memory module, signal fusing module, setting control module, DAC modular converters, display module, sound module and vibration
Module.Second wireless transport module is connected with signal decoder module, and signal decoder module is connected with DAC modular converters, DAC
Modular converter, memory module simultaneously with set control module be connected, set control module and meanwhile with display module, sound module and
Vibration module is connected.In actual design, it is described correction study subsystem be based on android system, Linux system or
Intelligence system second wireless transport module of the windows system software customer integrations on client hardware both can be to needing bullet
The note signal played be wirelessly transferred guiding, and can also receive the position sensed that the first wireless transport module is sent
Signal.Second wireless transport module carries out DAC digital-to-analogues after the position signalling of the first wireless transport module transmission is received, first and turned
Change and be converted to the analog signal for playing position, the analog signal for playing position is then sent to control selections module, control choosing
Selecting module can call the data of memory module to carry out position comparison the analog signal of position is played by signal fusing module, if
Positional fault is played, then vision correcting prompting is carried out by display module, auditory correction prompting is carried out by sound module, is passed through
Vibration module carries out tactile correction prompting.The content of storage module includes specifying information, music track information and the study of musical instrument
Specifying information of person etc., its music track content is divided into primary, intermediate and senior etc. according to the learning hierarchy of learner correspondence
Stage.The signal fusing module can also be carried out whole in addition to realizing signal fusing correction prompting after a song is played and finished
Body, which is given a mark, to be set, and it, which is integrally given a mark, sets and can also set corresponding rank according to the primary, intermediate and senior of song content.Institute
State control selections module and be mainly controlled selection to the type to specific shoegaze, specific song information, its is specific
Control selections can be according to client input or output equipment realize.Described input or output equipment can include touching
Screen, mouse and keyboard etc..
As shown in Figure 1 and Figure 2, the signal acquisition subsystem also include identity matching module, the identity matching module with
Processor MCU module is connected.By identity matching module, the type of specific musical instrument can be both identified, and can make again
Learning system possesses identity recognition function, it is to avoid disturbed by nonsystematic type musical instrument.
As shown in Figure 1 and Figure 2.The signal acquisition subsystem also include output interface module, the output interface module with
Signal amplification module is connected.The correction study subsystem also includes input interface module, the input interface module and signal
Decoder module is connected.The particular type of shown output interface module and input interface module can be USB2.0, USB3.0, HDMI
With tone frequency channel wire etc., wired data transfer function is further expanded under conditions of being wirelessly transferred.Meanwhile, pass through output interface mould
Block, the signal that directly signal acquisition subsystem can be gathered is sent to active audio amplifier by tone frequency channel wire and directly played, full
The need for foot is played live and competed.
In actual applications, the client includes smart mobile phone, computer and tablet personal computer.Described first is wirelessly transferred mould
Block and the second wireless transport module are Bluetooth transmission unit, infrared transmission unit or wifi transmission units.The display module is
TV, display or touch-screen.
In actual applications, the plucked instrument for being provided with contact signal acquisition subsystem is guitar, the piezoelectric membrane
Sensing acquisition module is piezoelectric film sensor, and the piezoelectric film sensor is separately positioned on the grade of guitar, lower chord pillow position
And sound hole.Being arranged on the piezoelectric film sensor of grade is used to sense specifically to play position on different strings, is arranged on lower chord pillow
Piezoelectric film sensor on position is used to sense the particular location that version is clapped in guitar playing procedure, and the piezoelectricity for being arranged on sound hole is thin
The specific sound that film sensors real-time reception is sent when playing carries out secondary position determination.
In actual applications, contact signal acquisition subsystem plucked instrument is installed in You Keli, the piezoelectricity is thin
Film sensing acquisition module be piezoelectric film sensor, the piezoelectric film sensor be separately positioned on the grade in You Keli, under
Capotasto position and sound hole.Being arranged on the piezoelectric film sensor of grade is used to sense specifically to play position on different strings, is arranged on
Piezoelectric film sensor on lower chord pillow position is used to sense the particular location for clapping version in playing procedure in You Keli, is arranged on sound
The specific sound that the piezoelectric film sensor real-time reception in hole is sent when playing carries out secondary position determination.
In actual applications, contact signal acquisition subsystem plucked instrument is installed for bass, the piezoelectric membrane is passed
Sense acquisition module be piezoelectric film sensor, the piezoelectric film sensor be separately positioned on the grade of bass, lower chord pillow position and
Sound hole.Being arranged on the piezoelectric film sensor of grade is used to sense specifically to play position on different strings, is arranged on lower chord pillow position
On piezoelectric film sensor be used for sense in bass playing procedure clap version particular location, be arranged on the piezoelectric membrane of sound hole
The specific sound that sensor real-time reception is sent when playing carries out secondary position determination.
In actual applications, contact signal acquisition subsystem plucked instrument is installed for Chinese zither, the piezoelectric membrane is passed
Sense acquisition module is piezoelectric film sensor, and the piezoelectric film sensor is arranged on below the capotasto of Chinese zither, to sense bullet
The corresponding different string positions in basis when playing.
The foregoing is only a preferred embodiment of the present invention, not makees any formal limitation to the present invention；It is all
The those of ordinary skill of the industry can be shown in by specification accompanying drawing and described above and swimmingly implement the present invention；But, it is all
Those skilled in the art without departing from the scope of the present invention, using disclosed above technology contents
The equivalent variations for a little variation, modification and evolution made, are the equivalent embodiment of the present invention；Meanwhile, it is all according to the present invention
The variation, modification and evolution of any equivalent variations made to above example of substantial technological etc., still fall within the present invention's
Within the protection domain of technical scheme.
Claims (10)
1. plucked instrument fingering automatic identification tutoring system, it is characterised in that：Including signal acquisition subsystem and correction study
System, the signal acquisition subsystem is the contact signal acquisition subsystem being arranged on plucked instrument or set in vitro with musical instrument
The non-contact type signal acquisition subsystem put, the correction study subsystem is arranged on client, the signal acquisition subsystem
Realize that long-range comparing points out remedial instruction by wireless signal with correction study subsystem；
The contact signal acquisition subsystem includes study-leading module, ADC modular converters, piezoelectric membrane sensing acquisition mould
Block, processor MCU module, signal amplification module and the first wireless transport module, the piezoelectric membrane sensing acquisition module and ADC
Modular converter is connected, and the ADC modular converters, study-leading module are connected with processor MCU module simultaneously, the processor
MCU module is connected with signal amplification module, and the signal amplification module is connected with the first wireless transport module；
The non-contact type signal acquisition subsystem includes study-leading module, ADC modular converters, musical sound acquisition module, sound
Identification module, processor MCU module, signal amplification module and the first wireless transport module, the musical sound acquisition module and sound
Identification module is connected, and the sound recognition module is connected with ADC modular converters, and the ADC modular converters, study-leading module are same
When and the connection of processor MCU module, the processor MCU module is connected with signal amplification module, the signal amplification module and
First wireless transport module is connected；
The correction study subsystem includes the second wireless transport module, signal decoder module, sets control module, storage mould
Block, signal fusing module, DAC modular converters, display module, sound module and vibration module, second wireless transport module
It is connected with signal decoder module, signal decoder module is connected with DAC modular converters, DAC modular converters, memory module are simultaneously with setting
Control module connection is put, sets control module to be connected simultaneously with display module, sound module and vibration module.
2. plucked instrument fingering automatic identification tutoring system according to claim 1, it is characterised in that：The signal acquisition
Subsystem also includes identity matching module, and the identity matching module is connected with processor MCU module.
3. plucked instrument fingering automatic identification tutoring system according to claim 2, it is characterised in that：The signal acquisition
Subsystem also includes output interface module, and the output interface module is connected with signal amplification module.
4. plucked instrument fingering automatic identification tutoring system according to claim 3, it is characterised in that：The correction study
Subsystem also includes input interface module, and the input interface module is connected with signal decoder module.
5. plucked instrument fingering automatic identification tutoring system according to claim 4, it is characterised in that：The plucked instrument
Including in guitar, You Keli, bass and Chinese zither.
6. plucked instrument fingering automatic identification tutoring system according to claim 5, it is characterised in that：The plucked instrument
For guitar, the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, and the piezoelectric film sensor is separately positioned on
Grade, lower chord pillow position and the sound hole of guitar.
7. plucked instrument fingering automatic identification tutoring system according to claim 5, it is characterised in that：The plucked instrument
For in You Keli, the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, the piezoelectric film sensor is set respectively
Put grade, lower chord pillow position and sound hole in You Keli.
8. plucked instrument fingering automatic identification tutoring system according to claim 5, it is characterised in that：The plucked instrument
For bass, the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, and the piezoelectric film sensor is separately positioned on
Grade, lower chord pillow position and the sound hole of bass.
9. plucked instrument fingering automatic identification tutoring system according to claim 5, it is characterised in that：The plucked instrument
For Chinese zither, the piezoelectric membrane sensing acquisition module is piezoelectric film sensor, and the piezoelectric film sensor is separately positioned on
Below the capotasto of Chinese zither.
10. the plucked instrument fingering automatic identification tutoring system according to any one of claim 6~9 claim, it is special
Levy and be：The client includes smart mobile phone and computer.
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| CN201510029431.5A CN104575159B (en) | 2014-12-22 | 2015-01-21 | Plucked instrument fingering automatic identification tutoring system |
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| CN2014107980890 | 2014-12-22 | ||
| CN201410798089 | 2014-12-22 | ||
| CN201510029431.5A CN104575159B (en) | 2014-12-22 | 2015-01-21 | Plucked instrument fingering automatic identification tutoring system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575220A (en) * | 2016-03-22 | 2016-05-11 | 深圳视感文化科技有限公司 | Interactive stringed instrument teaching system |
| CN106057021A (en) * | 2016-07-25 | 2016-10-26 | 安徽克洛斯威智能乐器科技有限公司 | Electronic smart piano, fingering rectification device and fingering rectification method |
| CN107025814A (en) * | 2017-05-25 | 2017-08-08 | 深圳市中易腾达科技股份有限公司 | A kind of music education plateform system for supporting many interactive application modes |
| CN111210682A (en) * | 2020-03-06 | 2020-05-29 | 占建峰 | Musical instrument with voice recognition system |
| CN113160655B (en) * | 2021-04-19 | 2023-04-07 | 黄志坚 | Musical instrument teaching system, method and readable storage medium |
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| JP3774928B2 (en) * | 1996-03-18 | 2006-05-17 | ヤマハ株式会社 | Performance assist device |
| CN2443455Y (en) * | 2000-09-30 | 2001-08-15 | 谢支宽 | Guitar with lighting device |
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