CN112259061A - Control method and system of LED water lamp of piano prompt device - Google Patents
Control method and system of LED water lamp of piano prompt device Download PDFInfo
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- CN112259061A CN112259061A CN202011087431.8A CN202011087431A CN112259061A CN 112259061 A CN112259061 A CN 112259061A CN 202011087431 A CN202011087431 A CN 202011087431A CN 112259061 A CN112259061 A CN 112259061A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 39
- 230000035484 reaction time Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0008—Associated control or indicating means
- G10H1/0016—Means for indicating which keys, frets or strings are to be actuated, e.g. using lights or leds
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/305—Frequency-control circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Auxiliary Devices For Music (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention belongs to the technical field of piano prompt equipment, and provides a method and a system for controlling an LED running light of a piano prompt device, wherein the method comprises the following steps: s101: storing the music score to be played through a storage module; s102: extracting notes, tones and beats in the music score through an analysis module, forming a running light control signal of corresponding notes according to the sequence of the notes in the music score and the tones corresponding to the notes, and sending the running light control signal to a peripheral control circuit; s103: the sequential lightening of each row of water lamps is controlled by a peripheral control circuit; the system comprises: including piano prompt board and controller, the controller passes through peripheral control circuit and is connected with piano prompt board. The control method and the control system of the LED water lamp of the piano prompt device can obtain the position of the next key in advance, reduce the difficulty of the user in estimating the attack time and improve the accuracy of playing of the user.
Description
Technical Field
The invention relates to the technical field of piano prompt equipment, in particular to a method and a system for controlling an LED (light-emitting diode) running light of a piano prompt device.
Background
A piano is a keyboard instrument, and hammers are pulled with keys to strike strings. Since a piano is a musical instrument having the widest range of sound except for a pipe organ, it is commonly used for a performance such as a solo, an ensemble, an accompaniment, and the like. Meanwhile, the Chinese medicinal composition is more and more popular with people.
In order to enable more beginners or music enthusiasts to learn and play a tune more quickly and smoothly, the piano is provided with a key prompter for prompting the beat or syllable of the tune, and the beginners or the music enthusiasts are helped to memorize the tune or the syllable.
The existing piano prompting device indicates an operation key through an indicator light and prompts a user to operate each key through the on-off of the indicator light, however, the on-off of the indicator light suddenly does not prompt in advance, and the user cannot predict the starting time and position of the next key in advance when operating the key, so that the piano prompting device is inconvenient for the user to use.
Disclosure of Invention
Aiming at the defects in the prior art, the method and the system for controlling the LED water lamp of the piano prompt device can obtain the position of the next key in advance, reduce the difficulty of estimating the attack time of a user and improve the accuracy of playing of the user.
In order to solve the technical problems, the invention provides the following technical scheme:
the control system of the LED running water lamp of the piano prompt device comprises a piano prompt board and a controller, wherein the controller is connected with the piano prompt board through a peripheral control circuit,
the piano prompt board comprises a plurality of rows of water lamps, each row of water lamps corresponds to one piano key and is used for indicating the attack time of the note represented by each piano key;
the controller comprises a storage module and an analysis module, wherein the storage module is used for storing a music score to be played; the analysis module is used for extracting notes, tones and beats in the music score, forming a running light control signal of corresponding notes according to the sequence of the notes in the music score and the corresponding tones of the notes and sending the running light control signal to the peripheral control circuit;
and the peripheral control circuit is used for controlling each row of water-flowing lamps to sequentially light according to the water-flowing lamp control signals of the corresponding musical notes.
Furthermore, the analysis module is further configured to form a lighting interval between each row of water-flowing lamps according to the musical notes in the music score and the beats of the musical notes, calculate the lighting interval between two adjacent indicator lamps in each row according to the number of the indicator lamps included in each row of water-flowing lamps, and send the lighting interval to the peripheral control circuit.
Furthermore, each row of water-flowing lamps comprises N indicator lamps, the lighting interval between the N indicator lamps is the ratio of the lighting interval between each row of water-flowing lamps to N, and the peripheral circuit sequentially controls the indicator lamps in each row to light sequentially according to the lighting interval between the two indicator lamps.
Furthermore, the controller is provided with an operation key and a wireless communication module, the operation key is connected with the peripheral control circuit, the wireless communication module is connected with the storage module through the SPI interface,
the operation key is used for controlling the piano indicator board to start or stop the on-off of the playing indicator lamp;
the wireless communication module is used for being in wireless connection with a mobile phone or a PC and transmitting a music score to be played.
The invention also provides a control method of the LED running light of the piano prompt device, which comprises the following steps:
s101: storing the music score to be played through a storage module;
s102: extracting notes, tones and beats in the music score through an analysis module, forming a running light control signal of corresponding notes according to the sequence of the notes in the music score and the tones corresponding to the notes, and sending the running light control signal to a peripheral control circuit;
s103: the sequential lightening of each column of water-flowing lamps is controlled by a peripheral control circuit.
Further, in step S102, the analysis module further forms a lighting interval between each row of water-flowing lamps according to the musical note and the beat corresponding to the musical note, calculates the lighting interval between two adjacent indicator lamps in each row according to the number of indicator lamps included in each row of water-flowing lamps, and sends the lighting interval to the peripheral control circuit.
Furthermore, each row of water-flowing lamps comprises N indicator lamps, the lighting interval between the N indicator lamps is the ratio of the lighting interval between each row of water-flowing lamps to N, and the peripheral circuit sequentially controls the indicator lamps in each row to light sequentially according to the lighting interval between the two indicator lamps.
Further, after the last water lamp in each column is lighted, all the water lamps in the column are turned off.
According to the technical scheme, the invention has the beneficial effects that: the musical notes in the music score and the corresponding tones of the musical notes are obtained through the analysis module, a series of control signals are formed according to the sequence of the musical notes in the music score and are sent to the peripheral control circuit, the control circuit firstly controls a row of running lights at the positions of the keys of the musical notes to sequentially light from top to bottom, after the musical note is played, a row of running lights at the key position of the next musical note are controlled to sequentially shine from top to bottom until the musical score is played, in the process, the top end of a row of water lamps starts to shine to the bottom end of the row of water lamps, a period of time is needed, the time period gives the user sufficient reaction time, the position of the next key can be obtained in advance, and with the sequential downward lightening of the water lamps, the playing time of the keys is closer and closer, when a row of water lamps is lightened to the lowest end and is basically close to the playing time, at the moment, the user plays, the difficulty of the user in estimating the playing time is reduced, and the playing accuracy of the user is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a block diagram of a system of the present invention;
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1, the control system of the LED running light of the piano prompt device provided in this embodiment includes a piano prompt board and a controller, the controller is connected to the piano prompt board through a peripheral control circuit,
the piano prompt board comprises a plurality of rows of water-flowing lamps, each row of water-flowing lamps corresponds to one piano key and is used for indicating the playing time of the note represented by each piano key, the row number of the water-flowing lamps corresponds to the number of the piano keys, and the row of water-flowing lamps corresponding to the piano keys is used for indicating the playing time of the note represented by the piano keys;
the controller comprises a storage module and an analysis module, wherein the storage module is used for storing a music score to be played; the analysis module is used for extracting notes, tones and beats in the music score, forming a running water lamp control signal of corresponding notes according to the sequence of the notes in the music score and the corresponding tones of the notes and sending the running water lamp control signal to the peripheral control circuit, for example, a section of the music score comprises two notes of do and mi, the beat corresponding to do is four beats, the beat corresponding to mi is two beats, the analysis module sends a control signal to a row of running water lamps corresponding to do, the row of running water lamps are controlled to be on by the peripheral control circuit, then the analysis module sends a control signal to the row of running water lamps corresponding to mi, the row of running water lamps are controlled to be on by the peripheral control circuit, and the position and playing time of a piano key are prompted;
the peripheral control circuit is used for controlling each row of running water lamps to sequentially light according to the running water lamp control signals of the corresponding musical notes, and the peripheral control circuit is in the prior art and is not described any more.
In practical use, the notes in the music score and the corresponding tones of the notes are obtained through the analysis module, a series of control signals are formed according to the sequence of the notes in the music score and sent to the peripheral control circuit, the control circuit firstly controls a row of water-flowing lamps at the positions of the notes keys to sequentially light from top to bottom, after the performance of the notes is finished, a row of water-flowing lamps at the positions of the next notes keys to sequentially light from top to bottom until the performance of the music score is finished, in the process, the top ends of the row of water-flowing lamps start to light to the bottom ends of the row of water-flowing lamps, a period of time is required to pass, the period of time gives sufficient reaction time to a user, the position of the next key can be obtained in advance, and along with the downward lighting of the sequence of the water-flowing lamps, the playing time of the keys is closer and closer to the lowest end, when the row of water-flowing lamps, the difficulty of the user in estimating the attack time is reduced, and the playing accuracy of the user is improved.
In this embodiment, the analysis module is further configured to form a lighting interval between each row of water lamps according to the musical notes in the musical score and the beats of the musical notes, for example, the beat corresponding to do is four beats, the beat corresponding to mi is two beats, and the lighting interval between do and mi is from the start time of do to the start time of mi, that is, four beats, calculate the lighting interval between two adjacent indicator lamps in each row according to the number of indicator lamps included in each row of water lamps, and send the lighting interval to the peripheral control circuit.
In this embodiment, each row of water-flowing lamps includes N indicator lamps, the lighting interval between the N indicator lamps is a ratio of the lighting interval between each row of water-flowing lamps to N, and the peripheral circuit sequentially controls each indicator lamp to light sequentially according to the lighting interval between the two indicator lamps.
In actual use, a plurality of indicator lamps can be arranged in each row of water-flowing lamps according to requirements, the indicator lamps of each row are sequentially controlled to light through the lighting interval between the two indicator lamps, when the last indicator lamp lights, a user starts to press a key, and due to the fact that the lighting interval between the two indicator lamps is shortened through the arrangement of the indicator lamps, the difficulty of the user in estimating the attack time and the error between the actual key pressing time of the user and a music score are reduced.
In the embodiment, the controller is provided with an operation key and a wireless communication module, the operation key is connected with the peripheral control circuit, the wireless communication module is connected with the storage module through the SPI interface,
the operation key is used for controlling the piano indicator board to start or stop the on-off of the playing indicator lamp through the peripheral control circuit;
the wireless communication module is used for being in wireless connection with a mobile phone or a PC and transmitting music scores to be played, the wireless communication module comprises a Bluetooth module, a WIFI module and an NB-IoT module, the Bluetooth module or the WIFI module is used for being connected with the mobile phone or the PC and transmitting the music scores, and the NB-IoT module is used for being connected with other piano prompt devices and transmitting the music scores.
Referring to fig. 2, the method for controlling the LED running light of the piano prompt device includes the following steps:
s101: storing the music score to be played through a storage module;
s102: extracting notes, tones and beats in the music score through an analysis module, forming a running light control signal of corresponding notes according to the sequence of the notes in the music score and the tones corresponding to the notes, and sending the running light control signal to a peripheral control circuit;
s103: the sequential lightening of each column of water-flowing lamps is controlled by a peripheral control circuit.
In practical use, the analysis module forms a control signal of the water lamp according to the appearance sequence of the musical notes, controls a row of water lamps corresponding to the key of the musical note to light up, and controls another row of water lamps corresponding to another musical note to light up after the row of water lamps corresponding to one musical note is turned off, so that the music score musical note is prompted.
In this embodiment, in step S102, the analysis module further forms a lighting interval between each row of water lamps according to the note and the beat corresponding to the note, for example, the beat corresponding to do is four beats, the beat corresponding to mi is two beats, and the lighting interval between do and mi is from the start time of do to the start time of mi, that is, four beats, calculates the lighting interval between two adjacent indicator lamps in each row according to the number of indicator lamps included in each row of water lamps, and sends the lighting interval to the peripheral control circuit.
In this embodiment, each row of water-flowing lamps includes N indicator lamps, the lighting interval between the N indicator lamps is a ratio of the lighting interval between each row of water-flowing lamps to N, and the peripheral circuit sequentially controls the indicator lamps of each row to light sequentially according to the lighting interval between the two indicator lamps.
In actual use, a plurality of indicator lamps are arranged in each row of water-flowing lamps, the indicator lamps of each row are sequentially controlled to light through the lighting interval between the two indicator lamps, when the last indicator lamp lights, a user starts to press a key, and the lighting interval between the two indicator lamps is shortened due to the arrangement of the indicator lamps, so that the difficulty of the user in estimating the attack time and the error between the actual key pressing time of the user and a music score are reduced.
In this embodiment, after the last water lamp in each row is lit, all the water lamps in the row are turned off, so that only one row of water lamps on the piano prompt board is lit, thereby achieving an obvious indication effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. Control system of LED flowing water lamp of piano suggestion device, its characterized in that: comprises a piano prompt board and a controller, the controller is connected with the piano prompt board through a peripheral control circuit,
the piano prompt board comprises a plurality of rows of water lamps, each row of water lamps corresponds to one piano key and is used for indicating the attack time of the note represented by each piano key;
the controller comprises a storage module and an analysis module, wherein the storage module is used for storing a music score to be played; the analysis module is used for extracting notes, tones and beats in the music score, forming a running light control signal of corresponding notes according to the sequence of the notes in the music score and the corresponding tones of the notes and sending the running light control signal to the peripheral control circuit;
and the peripheral control circuit is used for controlling each row of water-flowing lamps to sequentially light according to the water-flowing lamp control signals of the corresponding musical notes.
2. The control system of the LED water lamp of the piano prompt device according to claim 1, wherein: the analysis module is further used for forming a lighting interval between every two rows of water-flowing lamps according to the musical notes in the music score and the beats of the musical notes, calculating the lighting interval between every two adjacent indicator lamps in every row according to the number of the indicator lamps in every row of water-flowing lamps, and sending the lighting interval to the peripheral control circuit.
3. The control system of the LED water lamp of the piano prompt device according to claim 2, wherein: each row of water-flowing lamps comprises N indicator lamps, the lighting interval between the N indicator lamps is the ratio of the lighting interval between each row of water-flowing lamps to N, and the peripheral circuit sequentially controls the indicator lamps of each row to light in sequence according to the lighting interval between the two indicator lamps.
4. The control system of the LED water lamp of the piano prompt device according to claim 1, wherein: the controller is provided with an operation key and a wireless communication module, the operation key is connected with the peripheral control circuit, the wireless communication module is connected with the storage module through the SPI interface,
the operation key is used for controlling the piano indicator board to start or stop the on-off of the playing indicator lamp;
the wireless communication module is used for being in wireless connection with a mobile phone or a PC and transmitting a music score to be played.
5. The control method of the LED running light of the piano prompt device is characterized in that: the method comprises the following steps:
s101: storing the music score to be played through a storage module;
s102: extracting notes, tones and beats in the music score through an analysis module, forming a running light control signal of corresponding notes according to the sequence of the notes in the music score and the tones corresponding to the notes, and sending the running light control signal to a peripheral control circuit;
s103: the sequential lightening of each column of water-flowing lamps is controlled by a peripheral control circuit.
6. The method for controlling the LED water lamp of the piano prompt device according to claim 5, wherein: in step S102, the analysis module further forms a lighting interval between each row of water-flowing lamps according to the musical notes and the beats corresponding to the musical notes, calculates the lighting interval between two adjacent indicator lamps in each row according to the number of indicator lamps included in each row of water-flowing lamps, and sends the lighting interval to the peripheral control circuit.
7. The method for controlling the LED water lamp of the piano prompt device according to claim 6, wherein: each row of water-flowing lamps comprises N indicator lamps, the lighting interval between the N indicator lamps is the ratio of the lighting interval between each row of water-flowing lamps to N, and the peripheral circuit sequentially controls the indicator lamps of each row to light in sequence according to the lighting interval between the two indicator lamps.
8. The method for controlling the LED water lamp of the piano prompt device according to claim 7, wherein: and after the last water lamp of each column is lighted, all the water lamps in the column are turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011087431.8A CN112259061A (en) | 2020-10-13 | 2020-10-13 | Control method and system of LED water lamp of piano prompt device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011087431.8A CN112259061A (en) | 2020-10-13 | 2020-10-13 | Control method and system of LED water lamp of piano prompt device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020177113A1 (en) * | 2000-06-12 | 2002-11-28 | Sherlock Thomas Mallory | Method and apparatus for learning to play musical instruments |
| CN104078032A (en) * | 2014-06-13 | 2014-10-01 | 叶滨 | Note prompt method, system and mobile terminal for electrical piano and electrical piano |
| CN205984243U (en) * | 2016-08-30 | 2017-02-22 | 广州音乐猫乐器科技有限公司 | Musical instrument lid is played and is guideed device |
| CN111223355A (en) * | 2020-01-16 | 2020-06-02 | 深圳大学 | Musical instrument fingering correction device, system and method and musical instrument |
-
2020
- 2020-10-13 CN CN202011087431.8A patent/CN112259061A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020177113A1 (en) * | 2000-06-12 | 2002-11-28 | Sherlock Thomas Mallory | Method and apparatus for learning to play musical instruments |
| CN104078032A (en) * | 2014-06-13 | 2014-10-01 | 叶滨 | Note prompt method, system and mobile terminal for electrical piano and electrical piano |
| CN205984243U (en) * | 2016-08-30 | 2017-02-22 | 广州音乐猫乐器科技有限公司 | Musical instrument lid is played and is guideed device |
| CN111223355A (en) * | 2020-01-16 | 2020-06-02 | 深圳大学 | Musical instrument fingering correction device, system and method and musical instrument |
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