CN105957424A - Projection-type piano guidance system and control method - Google Patents
Projection-type piano guidance system and control method Download PDFInfo
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- CN105957424A CN105957424A CN201610559259.9A CN201610559259A CN105957424A CN 105957424 A CN105957424 A CN 105957424A CN 201610559259 A CN201610559259 A CN 201610559259A CN 105957424 A CN105957424 A CN 105957424A
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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
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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
- G09B15/02—Boards or like means for providing an indication of notes
- G09B15/023—Electrically operated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive loop type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
Abstract
The invention provides a projection-type piano guidance system, which is used for guiding piano keys. The system at least comprises a projector (1) and a fixation device (2). The projector (1) is fixed on the piano (3) through the fixation device (2). The projector (1) comprises a central processing unit (11), a light generator (12), a storage device (13) and a short-range communication module (14), wherein the central processing unit (11) is connected with the light generator (12), the storage device (13) and the short-range communication module (14); under the working state, the projection range of the projector (1) is adaptive to the total length of piano keys (31); and the projector (1) projects projection image information to the piano keys (31). A person not good at playing the piano is allowed to play the piano according to the guidance system by displaying indication marks having different colors and patterns on the piano keys. The piano guidance system is convenient to use and simple to operate, can provide a good assistant effect for the player, and has very high commercial value.
Description
Technical field
The present invention relates to projection field, especially a kind of projection piano director, in particular it relates to a kind of projection piano guidance system and control method.
Background technology
Projector is a kind of can be connected the corresponding video signal of broadcasting by the different same computers of interface, VCD, DVD, BD, game machine, DV etc. by the equipment on image or VIDEO PROJECTION to curtain.Projector is widely used in family, office, school and public place of entertainment, different according to working method, has CRT, and LCD, DLP etc. are dissimilar.
The image-forming principle of projector, for currently available technology, has been divided into following several, and respectively CRT tri-rifle projector, LCD projector, DLP projector, laser projection etc., be most widely used in existing market is LCD projector.
And piano is a kind of keyboard instrument being derived from western classicality music.It is made up of 88 keys (52 white key, 36 black keys) and metallic cord soundboard.Range scope is wide, from A2 (27.5Hz) to c5 (4186Hz), almost includes the whole musical sounds in Musical System.
Piano be commonly used to solo, play again, the performance such as accompaniment, music of wrirting music and rehearse is very convenient.Player, by by the key on lower keyboard, affects the gavel that enclose carpet inside piano, then taps steel wire string and sends sound.
In current prior art, often through modes such as laser, music score or note are projected in piano key or blank space, but easily hinder eye due to laser and cost of manufacture is more expensive, can not bring player good play experience, and when playing, also need to music score or note are thought deeply, be suitable for those players that staff is had certain understanding.
And under existing conditions, one people just having contacted piano cannot not be instructed by other people and directly start piano, need first to learn staff, it is familiar with how playing etc., process is sufficiently complex, and a kind of can play the prompting on piano according to projector thus directly carry out a kind of projection piano guidance system and the correspondingly control method of piano performance.
Summary of the invention
For in prior art not one play guidance system, a kind of projection piano guidance system, for guiding piano key, at least include projector 1 and fixing device 2, described projector 1 is detachably secured on described piano 3 by described fixing device 2, wherein
Described projector 1 includes CPU 11, photogenerator 12, memorizer 13, near-field communication module 14, and described CPU 11 connects described photogenerator 12, described memorizer 13 and near-field communication module 14, wherein,
Under in working order, the drop shadow spread of described projector 1 adapts with the total length of piano key 31, described projector 1 by Cheng Ying visual information projection on piano key 31.
Preferably, an intelligent terminal 4, described intelligent terminal 4 and described near-field communication module 14 connecting communication are also included.
Preferably, also include a server 5, described server 5 respectively with described intelligent terminal 4 and the wireless connections of described near-field communication module 14.
Preferably, described near-field communication module 14 includes bluetooth module, WiFi module or NFC module.
Preferably, also include that an external plug 6, described external plug 6 are arranged on described projector 1.
Preferably, also include that a USB interface 7, described USB interface 7 connect described CPU 11.
Preferably, also include that a sound transducer 8, described sound transducer 8 connect described CPU 11.
Preferably, described fixing device 2 is flexible metal, and described projector 1 is fixed in described fixing device 2 one end, and described piano fixed by other end sucker, clip or support.
According to another aspect of the present invention, it is provided that the control method of a kind of projection piano director, comprise the steps:
The most described CPU receives and reads information to be played；
Described information to be played is sent to described photogenerator and produces image by the most described CPU；；
Projector show image in key mapping described in the most described central processing unit controls.
Preferably, described information to be played is obtained by memorizer, USB interface or server.
Preferably, described step c includes:
C1, the show image being projected in key mapping being divided into N number of interval, N is the number of described key mapping；
C2, show image is set to 10 kinds identify labellings, 10 fingers of 10 kinds of described identification labelling correspondence people；
C3, at any time t of whole section of information to be played, the key mapping in described N number of interval shows 10 kinds of any one identified in labellings.
Preferably, described step c3 also includes
C3 ', moment t1 is set before described moment t；
C3 ", from moment t1 to moment t, described identification labelling is that gradual change shows.
Preferably, any one during described identification is labeled as following situation:
The identical patterns of different colours；
The different pattern of same color；Or
The different pattern of different colours.
Preferably, after described step c, further comprise the steps of:
D, described sound transducer receive the sound sent from piano；
E, described sound transducer are transferred to described CPU after described sound transcoding；
F, described CPU calculate transcoding information, and draw result of calculation；
Described result of calculation is projected in key mapping by g, described CPU.
The present invention is by arranging projectable projector on key on piano, and by becoming the display of shadow image so that player can carry out correspondingly key according to described one-tenth shadow image plays, the present invention realizes controlling also by intelligent terminal, obtained by server and up-to-date play resource, realize playing scoring by sound transducer, the present invention is different from other piano directors, it is shown that color on piano key, the cue mark that pattern is different, refer to for distinguishing the different handss of people, and the rhythm played is controlled by the change of pattern, one is made to have no ear for music completely, the people being ignorant of piano can also realize the performance of piano according to described guidance system.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, the other features, objects and advantages of the present invention will become more apparent upon:
Fig. 1 illustrates according to a specific embodiment of the present invention, described in play the overall structure schematic diagram of guidance system；
Fig. 2 illustrates according to the first embodiment of the present invention, the modular structure schematic diagram of described piano guidance system；
Fig. 3 illustrates according to the second embodiment of the present invention, the module link topology of described piano guidance system；
Fig. 4 illustrates the another embodiment according to the present invention, the workflow schematic diagram of described piano guidance system；
According to the third embodiment of the invention Fig. 5 illustrates, the schematic flow sheet of show image in key mapping of projector described in described central processing unit controls；
Fig. 6 illustrates according to the fourth embodiment of the invention, and the key mapping in described N number of interval shows 10 kinds of idiographic flow schematic diagrams of any one identified in labelling；And
Fig. 7 illustrates according to the fifth embodiment of the invention, the workflow schematic diagram of described piano guidance system.
Detailed description of the invention
In order to preferably make technical scheme show clearly, the invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 illustrates according to a specific embodiment of the present invention, the described overall structure schematic diagram playing guidance system, skilled artisan understands that, described guidance system of playing is for being shown as shadow pattern on piano key, so that player is guided, realization is played, further, one is had to penetrate on key by laser in the prior art, and demonstrate the technical scheme of note or music score, but in the present invention, we achieve the technical scheme that need not utilize music score can eject beautiful movement by special control method, make one can also eject melodious sound of musical instrument from not in contact with the people crossing piano.
Further, as shown in Figure 1, described guidance system at least includes projector 1 and fixing device 2, described projector 1 is detachably secured on described piano 3 by described fixing device 2, skilled artisan understands that, under in working order, the drop shadow spread of described projector 1 adapts with the total length of piano key 31, described projector 1 by Cheng Ying visual information projection on piano key 31.Different pianos is different, but the width that on each different piano, all keys add up should be identical, therefore described projector needs all to cover on described key the image after described projection, the height that projector is arranged towards angle and the described projector of key is needed to be adjusted.
Described projector 1 is LCD projector in prior art, CRT projector etc., it is a kind of equipment that image or VIDEO PROJECTION can be carried out to target location and showing, described projector has the advantages such as low cost, volume are little, can be detachably mounted on piano by fixing device 2.
Described fixing device 2 is flexible metal, further, described fixing device 2 can realize bending under the effect of manpower, rotates, torsion etc., but after described fixing device 2 bends, rotates, reverses, external force will be unable to make the deformation of described fixing device 2 again, the handset mounting that described fixing device 2 is similar in currently available technology.
Further, described projector 1 is fixed in described fixing device 2 one end, described fixing mode for being connected together, threaded, rivet, bond or weld, the other end fixes piano by a sucker, described sucker utilizes absorption that physics's pressure principle can fasten on described piano, and in other examples, fixing between the described other end and described piano can also be fixed for clip or support is fixed, these do not affect technical scheme, do not repeat them here.
Fig. 2 illustrates according to the first embodiment of the present invention, the modular structure schematic diagram of described piano guidance system, specifically, described projector 1 includes CPU 11, photogenerator 12, memorizer 13, near-field communication module 14, described CPU 11 connects described photogenerator 12, described memorizer 13 and near-field communication module 14.
Described CPU 11 is the control unit of described projector, for realizing the transmitting-receiving control of information, data, described photogenerator 12 is used for producing pattern, image, video to be played that described memorizer 13 is preset for the video to be played of memory buffers and when dispatching from the factory, pattern, image, described near-field communication module 14 is for receiving from third-party control command and information to be played, described third party can be to be further described in an intelligent terminal or far-end server, these detailed description of the invention that will be described below.
Skilled artisan understands that, described near-field communication module 14 is preferably bluetooth, described near-field communication module 14 realizes data interchange by bluetooth with an intelligent terminal, further, described near-field communication module 14 is also provided with wifi, is linked into the Internet by described wifi, further, described near-field communication module 14 can also be NFC module etc., does not repeats them here.
Further, described projection piano guidance system also includes an external plug 6, described external plug 6 is arranged on described projector 1, described external plug 6 is for providing electric energy to all parts in described projection piano guidance system, and described external plug 6 connects described CPU 11, photogenerator 12, memorizer 13, near-field communication module 14 etc..
Further, described projection piano guidance system also includes that a USB interface 7, described USB interface 7 connect described CPU 11.Described USB interface 7 is used for mating USB data line or USB flash disk etc. storage device, it is possible to achieve USB flash disk and the data interchange of described projection piano guidance system.
Further, also include a sound transducer 8, described sound transducer 8 connects described CPU 11, described sound transducer 8 is for receiving the sound sent from piano playing, described audio-frequency information can be converted to data message by analog-digital converter by described sound by described sound transducer 8, further, in such embodiments, described data message is preferably analyzed by described CPU 11, described data message can be compared with a standardized data message, described standardized data message is standards of grading, and then according to comparison situation, provide last scoring.
Skilled artisan understands that, in a preferred embodiment, described projection piano guidance system is under the control of described CPU 11, video information to be played is got by near-field communication module 14 or USB interface 7, and described video information preferably stored or is buffered in described memorizer 13, further, photogenerator 12 described in described central processing unit controls produces light according to the video information in described memorizer 13, further, by the ray cast of generation on piano key, player plays in real time according to the light of described generation, described sound transducer receives described sound, and described sound is passed to CPU, sound described in described central processing unit for processing, and provide last scoring.
Fig. 3 illustrates according to the second embodiment of the present invention, the module link topology of described piano guidance system, as shown in Figure 3, figure 3 illustrates described projector, intelligent terminal and server, in such embodiments, described Fig. 3 has reflected that one controls described projector by described intelligent terminal, and by described server, obtains the complete topology figure of information to be played.
nullFurther，Described piano guidance system also includes an intelligent terminal 4，Described intelligent terminal 5 and described near-field communication module 14 connecting communication，Skilled artisan understands that，Described intelligent terminal is connected by bluetooth with described near-field communication module 14，It is preferably provided with an APP on described intelligent terminal 4，Described APP adapts with described projector，Specifically，It is provided with playlist on described APP，Described playlist is provided with of a great variety、The various piano performance song that song differs，When player can select any of which song by preference，Described intelligent terminal is additionally provided with marking system，Sound can be obtained according to the sound transducer in above-mentioned，And calculate mark by CPU，Described mark is obtained finally by described near-field communication module，And then display is on APP.
nullPreferably，Described piano guidance system also includes a server 5，Described server 5 respectively with described intelligent terminal 4 and the wireless connections of described near-field communication module 14，In such embodiments，After player selects any of the above-described song by preference，Described APP preferably obtains the information to be played of described song from server，And download on APP，Further，Described information to be played is passed to described projector by near-field communication module thus realizes playing by described APP，And in another preferred embodiment，Described near-field communication module preferably accesses the Internet by wireless network，Described projector directly can obtain described information to be played from server，It is provided with of a great variety on described server、The information to be played that song differs selects for player，Described server can also constantly update Qu Ku，Meet the different demands of player.
Fig. 4 illustrates the another embodiment according to the present invention, the workflow schematic diagram of described piano guidance system, specifically, comprises the steps:
First, enter step S101, described CPU receives and reads information to be played, described information to be played is the song that player's demand is played, described information to be played can obtain from server, can also be to be arranged in the memorizer that described projector is built-in, can also is that acquisition from intelligent terminal, can also be obtain from described USB interface simultaneously, the instruction that described CPU issues on projector or on intelligent terminal according to described player, receive described information to be played, and described information to be played is analyzed.Described step S101 be in order to preferably by described information to be played so that described projector can play out correspondingly song.
Then, enter step S102, described information to be played is sent to described photogenerator and produces image by described CPU, described photogenerator is used for producing image, described image adapts with described information to be played, preferably, described image can be one section of continuous print video information, described photogenerator reads, analyze described information to be played, thus produce described image, described image needs just can be displayed by specific device, in the present embodiment, described specific device is the key of piano, these detailed description of the invention that will be described below are further described, do not repeat them here.
Finally, enter step S103, projector show image in key mapping described in described central processing unit controls.Skilled artisan understands that, photogenerator on described projector faces described key mapping and arranges, after described CPU produces image by described step S102, preferably by described image display in described key mapping, in such embodiments, the scope of described projector projection should adapt with the overall width of described piano key mapping, if described drop shadow spread exceeds described piano key mapping, the image then making a part cannot show in key mapping, player is made to play, if described drop shadow spread is not completely covered described piano key mapping, then cause what player cannot be correct to play, only when the scope that described projector projects should adapt with the overall width of described piano key mapping, could correct playing according to described image.
According to the third embodiment of the invention Fig. 5 illustrates, the schematic flow sheet of show image in key mapping of projector described in described central processing unit controls, it will be appreciated by those skilled in the art that described Fig. 5 is further to describe described step S103, specifically, comprise the steps:
First, enter step S1031, the show image being projected in key mapping is divided into N number of interval, N is the number of described key mapping, the purpose that it will be appreciated by those skilled in the art that described step S1031 is to make each key mapping be all disposed within the drop shadow spread of described projector, and according to different key mappings, different show images is set, plays according to the show image in different intervals at the different periods played for distinguishing player.Further, owing to different pianos exists different specifications, but key total should be just as, these can be adjusted according to specific circumstances, in such embodiments, described information to be played should be configured by described information to be played according to described step S1031, so that described information to be played meets broadcasting demand.
nullThen，Enter step S1032，Show image is set to 10 kinds and identifies labelling，10 fingers of 10 kinds of described identification labelling correspondence people，Skilled artisan understands that，The invention aims to do not contacted the crowd of piano so that those or beautiful movement can be played out by the system of the present invention and method for playing the footless crowd of milli，And when really playing，Need also exist for people all to be applied to by right-hand man's totally 10 fingers，Described for guide player is played by the control method of described step S1032 with finger，Further，Described step S1032 defines the essence of described show image，It is exactly i.e. 10 kinds and identifies labelling，Rather than the staff of those complexity、Happy symbol etc.，Described identification labelling correspond to 10 fingers of people，People are according to described identification labelling thus use different fingers to play key.
Finally, enter step S1033, the key mapping in any time t of whole section of information to be played, described N number of interval shows 10 kinds of any one identified in labelling.Skilled artisan understands that, in a complete information to be played, what i.e. one head was complete plays guide video, the key mapping according to different time sections pressing is different is needed to realize, i.e. in each time period, each key mapping probability being pressed, in such embodiments, i.e. need that the key mapping on each interval is both provided with 10 kinds and identify labelling, when playing in real time, described 10 kinds of any one identified in labelling are shown on described each interval, and according to reality, the interval of display of each time period can't can exceed that 10, i.e. exceed the scope of finger number, further, people identify labelling prompting according to the different of described different time period, play out information to be played.
Fig. 6 illustrates according to the fourth embodiment of the invention, 10 kinds of idiographic flow schematic diagrams of any one identified in labelling are shown in key mapping in described N number of interval, skilled artisan understands that, described Fig. 6 is the most perfect to described step S1033, thus more meet the technical scheme of invention, specifically, comprise the steps:
nullFirst，Enter step S10331，Before described moment t, moment t1 is set，Described moment t is player and presses the moment of piano key mapping，Skilled artisan understands that，Concrete hysteresis quality is reacted in the thinking of people，People can not make the execution having no thinking after a things occurs，And this most concrete highly important meaning，Player can not be without any consideration just pressing target key mapping after display identifies labelling，It is first-class etc. that normal person also needs to move to hands target key mapping，But piano play will not et al.，Rhythm not to may result in play inaccurate，Based on such consideration，It is accomplished by giving the default preparatory stage，When the preparatory stage starts，What people can do some preparations moves to target location by finger，And play accordingly according to instruction described later，And the moment of preparatory stage is described moment t1.
Then, entering step S10332, from moment t1 to moment t, described identification labelling is that gradual change shows.In such embodiments, when moment t1, the identification marker color of projection is the lightest, but along with moment t1 is to the passage of moment t, color gradually clear, brighten, as due in t1, color is got to the brightest, the most clear, at this very moment, by pressing described key mapping, thus play, and in other examples, it is also possible to by the prompting that some are special, such as, the vibration that identifies labelling, the display identifying labelling realize described step S1033 from incompleteness to complete etc. technological means, do not repeat them here.
Skilled artisan understands that, described identification labelling could be arranged to the identical patterns of different colours, one in such embodiments, described 10 fingers are divided into and are provided with same pattern, such as rectangle, five-pointed star or other marker characters, the color of described 10 fingers then could be arranged to bright red, orange, yellow, green, blue or green, blue, purple, pink, coffee, ash etc. color for distinguishing different fingers.nullAnd in other examples，Described identification labelling may be arranged as the different pattern of same color，In such embodiments，Described color can be any one in above-mentioned color or other colors，The pattern of described 10 fingers then could be arranged to square、Rectangle、Rhombus、Pentalpha、Triangle、Circular、Oval、Cone、Trapezoidal、Semicircle etc.，In order to distinguish different fingers，And in other particular embodiment，It is also possible that state the different pattern identifying that labelling is set to different colours，And in such embodiments，The pattern of described 10 fingers then could be arranged to the square of large red、Orange rectangle、The rhombus of yellow、Green pentalpha、The triangle of cyan、Blue circle、The ellipse of purple、Peach cone、The coffee-like trapezoidal and semicircle of Lycoperdon polymorphum Vitt，These do not affect technical scheme，Do not repeat them here.
Fig. 7 illustrates according to the fifth embodiment of the invention, the workflow schematic diagram of described piano guidance system, skilled artisan understands that, described Fig. 7 shows the complete workflow schematic diagram of the present invention, specifically, described step S201 to described step S203 is referred to step S101 in the embodiment shown in Fig. 1 to step S103, corresponding described step S201 of described step S101, corresponding described step S202 of described step S102, corresponding described step S203 of described step S103, does not repeats them here.
Next, enter step S204, described sound transducer receives the sound sent from piano, according to described step S203, projector show image in key mapping described in described central processing unit controls, in such embodiments, after described step S203, before described step S204, should still be provided with step: player plays according to described show image, further, the sound transducer being arranged on described projector receives the sound sent from piano, the purpose of described step S204 is to be analyzed by described sound, thus draw scoring.
And in other real-time example, described marking system can also be by being similar to the operation principle of " laser keyboard ", followed the tracks of the action of finger by infrared technology, thus get information of correspondingly playing, further, the data message of the data message of finger movement with a set of standard criterion is compared, thus providing scoring, these belong to currently available technology, in such embodiments, described piano guidance system is additionally provided with infrared ray sensor, does not repeats them here.
Then, enter step S205, described sound transducer is transferred to described CPU after described sound transcoding, after described sound transducer obtains described acoustic information, pass through transcoding, obtain data message, and give described CPU by described data information transfer, in such embodiments, described sound transducer is provided with analog-to-digital conversion device, analogue signal can be converted into digital signal, described CPU receives described digital signal with selecting a step, the purpose of described step S205 is in order to described analogue signal is converted into the discernible digital signal of described CPU.
And then, enter step S206, described CPU calculates transcoding information, and draw result of calculation, skilled artisan understands that, each information to be played is to there being standard set digital information, described digital information is preferable through USB interface, server, intelligent terminal etc. obtain along with the acquisition of information to be played, and be buffered in described memorizer or CPU, after player has played a song, the digital information of the information after transcoding with described standard is compared, comparison result is drawn by comparison, described comparison result is described result of calculation, the namely last criterion of last scoring.
Finally, entering step S207, described result of calculation is projected in key mapping by described CPU.Described result of calculation is last scoring, described player can learn the performance result of oneself according to last scoring, described result of calculation has preferably been projected in key mapping, facilitating player to know, further, described projector is it is also possible that the scoring stating different information to be played stores, make score curve figure, so that player is able to know that whether playing of oneself makes progress, these have no effect on technical scheme, do not repeat them here.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this has no effect on the flesh and blood of the present invention.
Claims (14)
1. a projection piano guidance system, for guiding piano key, its feature exists
In, at least including projector (1) and fixing device (2), described projector (1) passes through
Described fixing device (2) is detachably secured on described piano (3), wherein,
Described projector (1) includes CPU (11), photogenerator (12), deposits
Reservoir (13), near-field communication module (14), described CPU (11) connects described
Photogenerator (12), described memorizer (13) and near-field communication module (14), wherein,
Under in working order, the drop shadow spread of described projector (1) and piano key (31)
Total length adapts, described projector (1) by Cheng Ying visual information projection in piano key (31)
On.
Guidance system the most according to claim 1, it is characterised in that also include an intelligence eventually
End (4), described intelligent terminal (4) and described near-field communication module (14) connecting communication.
Guidance system the most according to claim 2, it is characterised in that also include a server
(5), described server (5) respectively with described intelligent terminal (4) and described near-field communication
Module (14) wireless connections.
Guidance system the most according to any one of claim 1 to 3, it is characterised in that institute
State near-field communication module (14) include any one in following communication module or appoint multiple:
Bluetooth module；
WiFi module；Or
NFC module.
Guidance system the most according to claim 4, it is characterised in that also include patching outside one
Head (6), described external plug (6) is arranged on described projector (1).
6. according to the guidance system described in claim 1 or 2 or 3 or 5, it is characterised in that also
Including a USB interface (7), described USB interface (7) connects described CPU (11).
Guidance system the most according to claim 6, it is characterised in that also include that a sound passes
Sensor (8), described sound transducer (8) connects described CPU (11).
8. according to the guidance system described in claim 1 or 2 or 3 or 5 or 7, it is characterised in that
Described fixing device (2) is flexible metal, and described projection is fixed in described fixing device (2) one end
Device (1), the other end fixes described piano by any one in following device:
-sucker；
-clip；Or
-support.
9. a control method for projection piano director, including according in claim 1 to 8
Guidance system described in any one, it is characterised in that comprise the steps:
The most described CPU receives and reads information to be played；
Described information to be played is sent to described photogenerator and produces by the most described CPU
Raw image；；
Projector show image in key mapping described in the most described central processing unit controls.
Control method the most according to claim 9, it is characterised in that described letter to be played
Breath obtains in the following way:
Memorizer；
USB interface；Or
Server.
11. control methods according to claim 9, it is characterised in that described step c bag
Include:
C1, the show image being projected in key mapping is divided into N number of interval, N be described key mapping
Number；
C2, show image is set to 10 kinds identify labellings, 10 kinds of described identification labelling correspondence people
10 fingers；
C3, at any time t of whole section of information to be played, aobvious in the key mapping in described N number of interval
Show 10 kinds of any one identified in labelling.
12. control methods according to claim 11, it is characterised in that described step c3
Also include
C3 ', moment t1 is set before described moment t；
C3 ", from moment t1 to moment t, described identification labelling is that gradual change shows.
13. according to the control method according to any one of claim 10 to 12, it is characterised in that
Described identification is labeled as any one in following situation:
The identical patterns of different colours；
The different pattern of same color；Or
The different pattern of different colours.
14. control methods according to claim 13, it is characterised in that described step c it
After, further comprise the steps of:
D, described sound transducer receive the sound sent from piano；
E, described sound transducer are transferred to described CPU after described sound transcoding；
F, described CPU calculate transcoding information, and draw result of calculation；
Described result of calculation is projected in key mapping by g, described CPU.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610559259.9A CN105957424A (en) | 2016-07-15 | 2016-07-15 | Projection-type piano guidance system and control method |
| PCT/CN2017/000243 WO2018010401A1 (en) | 2016-07-15 | 2017-03-21 | Projection-based piano playing instructing system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610559259.9A CN105957424A (en) | 2016-07-15 | 2016-07-15 | Projection-type piano guidance system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105957424A true CN105957424A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610559259.9A Pending CN105957424A (en) | 2016-07-15 | 2016-07-15 | Projection-type piano guidance system and control method |
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| WO (1) | WO2018010401A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481583A (en) * | 2017-09-05 | 2017-12-15 | 上海智凌信息技术有限公司 | A kind of projection piano guidance system and control method |
| WO2018010401A1 (en) * | 2016-07-15 | 2018-01-18 | 邵松 | Projection-based piano playing instructing system and control method |
| CN110033669A (en) * | 2018-01-11 | 2019-07-19 | 和硕联合科技股份有限公司 | Assisted learning system |
| RU2735714C1 (en) * | 2020-04-03 | 2020-11-06 | Максим Юрьевич Семенов | Method of learning to play a musical instrument and a system for realizing it |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506492B (en) * | 2021-06-28 | 2022-11-08 | 蕉乐教育科技(上海)有限公司 | Projection device and full-width piano keyboard picture projection method thereof |
| CN113903367B (en) * | 2021-09-30 | 2023-06-16 | 湖南卡罗德钢琴有限公司 | Collecting and restoring method based on piano full-intelligent system |
| CN114882762A (en) * | 2022-06-15 | 2022-08-09 | 曾歆 | National musical instrument intelligent auxiliary system |
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| WO2002065444A2 (en) * | 2001-02-13 | 2002-08-22 | Goodwin Steinberg | Electronic color display instrument and method |
| CN101388149A (en) * | 2007-09-12 | 2009-03-18 | 财团法人工业技术研究院 | Clavinet learning apparatus and learning method |
| CN103198733A (en) * | 2012-01-06 | 2013-07-10 | 张秉钧 | Electronic display finger plate used for string instrument |
| CN203325261U (en) * | 2013-07-25 | 2013-12-04 | 李雪曈 | Electronic music score |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018010401A1 (en) * | 2016-07-15 | 2018-01-18 | 邵松 | Projection-based piano playing instructing system and control method |
| CN107481583A (en) * | 2017-09-05 | 2017-12-15 | 上海智凌信息技术有限公司 | A kind of projection piano guidance system and control method |
| CN110033669A (en) * | 2018-01-11 | 2019-07-19 | 和硕联合科技股份有限公司 | Assisted learning system |
| RU2735714C1 (en) * | 2020-04-03 | 2020-11-06 | Максим Юрьевич Семенов | Method of learning to play a musical instrument and a system for realizing it |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018010401A1 (en) | 2018-01-18 |
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