CN205354631U - Interactive piano - Google Patents
Interactive piano Download PDFInfo
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- CN205354631U CN205354631U CN201521119996.4U CN201521119996U CN205354631U CN 205354631 U CN205354631 U CN 205354631U CN 201521119996 U CN201521119996 U CN 201521119996U CN 205354631 U CN205354631 U CN 205354631U
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Abstract
The utility model provides an optical sensation device, the optical sensation device is connected with the master control set electricity that interactive piano is equipped with on the piano and is triggered by the operational unit. Play data, generating data file in master control set through what the player was gathered to the optical sensation device, realize through comparing of data file that interactive piano's is mutual. The utility model provides a pair of interactive piano and interactive method through set up the optical sensation device on the piano, acquire player's performance data, through with the criterion numeral according to contrasting to can quantify the difference between player and the criterion numeral certificate, revise in order to guide the player, thereby improve the learning efficiency. The utility model discloses except can obtaining scale, note data, can also obtain the sound loudness data, obtain the tenuto data by the hold time of footboard through the velocity amplitude to data and true performance the that the messenger acquireed have higher degree of fitting, have actual directive significance in piano study.
Description
Technical field
This utility model relates to piano field, particularly a kind of interactive piano.
Background technology
Existing piano, whether it is comparatively difficult that player improves playing technique, it is necessary to very long learning time, and the energy and time of consuming is too many, through carefully analyzing, essentially consists in the uncertainty of error correction, namely play correct, lack the guidance that can quantify or compare.This is also the expensive reason of tutor causing training piano performance.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of interactive piano, it is possible to obtain the such performance data of player.
For solving above-mentioned technical problem, this utility model be the technical scheme is that a kind of interactive piano, is provided with the optical induction device triggered by functional unit on piano, and optical induction device electrically connects with master control set.
Described piano is auto-play piano.
Described functional unit includes key, pedal and the drive mechanism being connected with key and pedal, is provided with frizzen on functional unit, is provided with the photoelectric sensor of detection frizzen position near frizzen.
Described photoelectric sensor is two, and a start bit being positioned at functional unit active strokes, another is positioned at the stop bit of functional unit active strokes.
A kind of method adopting above-mentioned interactive piano to interact, comprises the following steps:
By optical induction device gather player play data, in master control set generate data file；
The mutual of interactive piano is realized by the comparison of data file.
Described data file is MIDI file.
The data file of the data file Yu standard of playing generation is compared, different positions is labeled, and show on the display apparatus.
Utilize automatic performance device that the data file of the data file with standard of playing generation is distinguished automatic playing, to compare contrast.
By the data file of the data file Yu standard of playing generation, convert the figure of the keyboard animation with time shaft and contrast to, to search difference.
Gather when playing data of player, the first time gathering the first photoelectric sensor in optical induction device triggers signal, the first time of the second photoelectric sensor and second time trigger signal, the second time of the first photoelectric sensor is triggered signal as end signal, thus the single obtaining functional unit plays speed and retention time.
A kind of interactive piano that this utility model provides, by arranging optical induction device on piano, obtain the such performance data of player, it is thus possible to by contrasting with normal data, it is thus possible to the difference quantified between player and normal data, to instruct player to be modified, thus improving learning efficiency.This utility model is except being obtained in that scale, note data, Negotiation speed value can also obtain loudness of a sound data, obtained tenuto data by the retention time of pedal, so that the data obtained have higher degree of fitting with true performance, piano study has the directive significance of reality.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the structural representation of optical induction device in this utility model.
Structural representation when Fig. 2 is that in this utility model, functional unit is pressed.
Fig. 3 is the another kind of structural representation of optical induction device in this utility model.
Fig. 4 is structural representation when the another kind of structure of optical induction device is pressed in this utility model.
In figure: key 1, frizzen 2, the first photoelectric sensor 3, the second photoelectric sensor 4, block 5.
Detailed description of the invention
Embodiment 1:
Such as Fig. 1, in 2, a kind of interactive piano, piano is provided with the optical induction device triggered by functional unit, optical induction device electrically connects with master control set.Described functional unit includes key 1, pedal and the drive mechanism being connected with key 1 and pedal, is provided with frizzen 2 on functional unit, is provided with the photoelectric sensor of detection frizzen 2 position near frizzen 2.Namely frizzen 2 can be mounted on key 1, or on the drive mechanism being connected with key, for instance on hammered string instrument, or it is arranged on the pedal for tenuto, or on the drive mechanism being connected with pedal.
In preferred scheme, described photoelectric sensor is two, and a start bit being positioned at functional unit active strokes, another is positioned at the stop bit of functional unit active strokes.
By optical induction device, the scale of performance, note data are collected in master control set, converts data file to.Preferably, utilize and be arranged on stroke start bit and two photoelectric sensors of stop bit, this example adopts photoswitch, is contactless triggering between frizzen 2 and photoswitch.The switching signal of photoswitch constitutes twice and triggers signal, when functional unit such as key is pressed or pedal is operated, first frizzen 2 triggers the first photoelectric sensor 3, obtain a pick-off signal, the now address ID according to the first photoelectric sensor 3 of the cpu in master control set, namely the position of functional unit is obtained, thus obtaining scale, note data；Storage device in master control set also records the time t that the first photoelectric sensor 3 is triggered0.When frizzen 2 continues descending, trigger the second photoelectric sensor 4, obtain the time t that the second photoelectric sensor 4 is triggered1, the stroke of frizzen 2 is s, thus by vn=s/(t1-t0), obtain the speed of service value v of functional unitn.According to speed vn, obtain loudness of a sound data, namely simulation hammered string instrument knocks the data of the intensity of sound that the dynamics of string obtains, and in master control set, storage has converting form, velocity amplitude v different in this converting formnCorresponding different loudness of a sound data.Therefore, can obtain comprising the data file of scale, note, rhythm interval and loudness of a sound by this utility model, thus the effect that truly reduction player plays.For pedal, when the frizzen being connected with pedal or its drive mechanism lifts, except the time t that the first photoelectric sensor 3 is triggered0The time t being triggered with the second photoelectric sensor 41, also include frizzen and leave the time t of the second photoelectric sensor 42, namely the second photoelectric sensor 4 sends pick-off signal when having frizzen to depress and communications signals again when frizzen leaves, t2-t1Namely the retention time of frizzen is obtained, thus obtaining the data including the tenuto time.
It is preferred that, for reducing the complexity of software, to the data of key and the data acquisition of pedal with different strategies, namely frizzen is then ignored for the data of key and leave the triggering signal of the second photoelectric sensor 4, and the first photoelectric sensor 3 presses through the communications signals again produced in journey under frizzen.And the signal of the first photoelectric sensor 3 triggered when rising using second time frizzen is as the signal once playing release.
Data for pedal then need trigger collection bar to leave the triggering signal of the second photoelectric sensor 4, ignore the first photoelectric sensor 3 and press through the communications signals again produced in journey under frizzen.The signal of the first photoelectric sensor 3 triggered when rising using second time frizzen is as the signal once playing release.
Further preferred scheme such as Fig. 3, in 4, for the signal that minimizing is triggered, described frizzen is the block 5 corresponding with the stroke of functional unit, under press through in journey, after triggering the first photoelectric sensor 3, namely obtaining after a pick-off signal, the frizzen of block shape stops photoelectric sensor 3 all the time in stroke range, and therefore the first photoelectric sensor 3 presses through the signal that will not produce again to connect in journey under frizzen.Thus decreasing data volume, improve reliability and the feedback speed of software.Namely once playing in action, the first photoelectric sensor 3 and the second photoelectric sensor 4 all only send a pick-off signal and once communications signals again, thus decreasing data volume.
Described piano is auto-play piano.Auto-play piano is prior art, it is possible to automatically play according to data file, and principle, for utilizing MIDI file driving solenoid, is driven hammered string instrument to knock string by solenoid.Thus structure, it is possible to the MIDI data of the such performance data of acquisition and standard is carried out performance and compares, so that player finds out gap.
Optical induction device in this utility model, it is also possible to be arranged on common piano, the playing information of the playing information collected Yu standard can be contrasted by master control set, to find out difference, instructs player to improve.
Embodiment 2:
On the basis of embodiment 1, a kind of method adopting above-mentioned interactive piano to interact, comprise the following steps:
By optical induction device gather player play data, in master control set generate data file；
The mutual of interactive piano is realized by the comparison of data file.The data file generated can pass through USB interface, is transferred in computer, mobile phone or tablet device, program directly plays, simultaneously the data file of playing standard, it is simple to comparing difference.The data file of this example Plays refers to the data file generated by high-caliber player or the data file of the playing effect optimum directly generated by digitizing technique.
Preferably, described data file is MIDI file.In degree of precision such as 128 and above MIDI file, record has scale, note, rhythm interval, tenuto and loudness of a sound data, higher with the true degree of fitting played.
Preferably, the data file of the data file Yu standard of playing generation is compared, different positions is labeled, and show on the display apparatus.Data file transition is become the file at letter symbol interface to contrast by this example, the music score of Chinese operas mode of such as similar staff or numbered musical notation contrasts, thus finding out differential position, the such as difference of scale, note, the difference at rhythm interval, the difference of tenuto time, and the difference of loudness of a sound, the difference of loudness of a sound can be noted as the error that keystroke speed exists herein, to instruct player to revise.
Preferably, for auto-play piano, utilize automatic performance device that the data file of the data file with standard of playing generation is distinguished automatic playing, to compare contrast.Thus step, it is possible to make player experience very intuitively and standard play between difference.
It is preferred that, the data file of the data file Yu standard of playing generation is passed through USB interface, it is transferred in computer, mobile phone or tablet device, convert the figure of the keyboard animation with time shaft and contrast to, such as play the data file of generation and the data file of standard and generate keyboard animation according to time shaft one to one, thus mode is easy to player very intuitively and is searched difference, to improve.For loudness of a sound data, it is possible to contrast expression by the mode of similar volume post, the data file of the data file and standard of namely playing generation is respectively corresponding to a few volume post, by the degree of contrast loudness of a sound data of volume post.In this step, the broadcasting of the data file of generation and the data file of standard can be played contrast by synchronism switching, the data file also being able to play respectively the data file and standard of playing generation with different sound channels contrasts, and obtains the difference between standard performance further more intuitively.
Gather when playing data of player, the first time gathering the first photoelectric sensor 3 in optical induction device triggers signal, the first time of the second photoelectric sensor 4 and second time trigger signal, the second time of the first photoelectric sensor 3 is triggered signal as end signal, thus the single obtaining functional unit plays speed and retention time.
It is conventional that the signals collecting of the photoelectric sensor not described in this utility model, storage and conversion are in prior art, repeats no more herein.By the demonstration of automatic Playing, the difference correction quantified directly perceived, the learning efficiency of player is greatly improved.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as restriction of the present utility model, the embodiment in the application and the feature in embodiment when not conflicting, it is possible to combination in any mutually.The technical scheme that protection domain of the present utility model should be recorded with claim, is protection domain including the equivalents of technical characteristic in the technical scheme that claim is recorded.Namely equivalent replacement the within the scope of this is improved, also within protection domain of the present utility model.
Claims (3)
1. an interactive piano, is characterized in that: being provided with the optical induction device triggered by functional unit on piano, optical induction device electrically connects with master control set；
Described piano is auto-play piano；
Described functional unit includes key (1), pedal and the drive mechanism being connected with key (1) and pedal, is provided with frizzen (2) on functional unit, is provided with the photoelectric sensor of detection frizzen (2) position near frizzen (2).
2. a kind of interactive piano according to claim 1, is characterized in that: described photoelectric sensor is two, and a start bit being positioned at functional unit active strokes, another is positioned at the stop bit of functional unit active strokes.
3. a kind of interactive piano according to claim 1, is characterized in that: described frizzen (2) is the block (5) corresponding with the stroke of functional unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119996.4U CN205354631U (en) | 2015-12-30 | 2015-12-30 | Interactive piano |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521119996.4U CN205354631U (en) | 2015-12-30 | 2015-12-30 | Interactive piano |
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| CN205354631U true CN205354631U (en) | 2016-06-29 |
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| CN201521119996.4U Active CN205354631U (en) | 2015-12-30 | 2015-12-30 | Interactive piano |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847206A (en) * | 2018-06-07 | 2018-11-20 | 深圳敦骏科技有限公司 | A kind of intelligence piano playing method, intelligent keyboard and intelligent piano system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847206A (en) * | 2018-06-07 | 2018-11-20 | 深圳敦骏科技有限公司 | A kind of intelligence piano playing method, intelligent keyboard and intelligent piano system |
| CN108847206B (en) * | 2018-06-07 | 2021-07-30 | 深圳敦骏科技有限公司 | Intelligent piano playing method, intelligent keyboard and intelligent piano system |
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