CN202042072U - Piano learning machine - Google Patents

Piano learning machine Download PDF

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Publication number
CN202042072U
CN202042072U CN2011200986188U CN201120098618U CN202042072U CN 202042072 U CN202042072 U CN 202042072U CN 2011200986188 U CN2011200986188 U CN 2011200986188U CN 201120098618 U CN201120098618 U CN 201120098618U CN 202042072 U CN202042072 U CN 202042072U
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China
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key
piano
pilot lamp
master controller
signal output
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Expired - Fee Related
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CN2011200986188U
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Chinese (zh)
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邓江涵
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邓江涵
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Abstract

The utility model relates to a piano learning machine. A piano key indicating processor group comprises at least two piano key indicating processors, the control signal input end of each piano key indicating processor is connected with the control signal output end of a master controller correspondingly, and the piano key indicating signal output end of each piano key indicating processor is respectively connected with a piano key indicating light correspondingly; the arrangement shape and positions of the piano key indicating lights are consistent with those of piano keys; the control signal output end of an operation unit is connected with the operation signal input end of the master controller; the data transmission port of a memorizer is connected with the data reading port of the master controller; and the master controller and the piano key indicating processor group are used for driving corresponding piano key indicating lights to lighten or put out, thus intuitively indicating which piano key needs to be played corresponding to one note, and further improving the piano learning speed and efficiency of a piano learner.

Description

A kind of piano study machine
Technical field:
The utility model relates to a kind of piano study machine.
Background technology:
Present Piano Teaching all is by teacher's song decomposition one by one, explanation, because the class period is short, the details of much playing not necessarily can both be remembered, when practising, oneself runs into these local very puzzlements, if a kind of piano study machine can be provided, performance, the music score of Chinese operas in conjunction with piano music, point out each note to play very intuitively by which key, further, be by which finger of which hand, how long play, the dynamics of playing can both show intuitively, with the person's that improves the piano study greatly learning efficiency and speed.
The utility model content:
The purpose of this utility model provides a kind of piano study machine, so that help the piano study person to improve learning efficiency.
A kind of piano study machine, wherein: comprise master controller, storer, key instruction processorunit group, control the unit and one by one corresponding to the key pilot lamp of respectively playing key on the piano, comprise at least two key instruction processorunits in the key instruction processorunit group, the signal input end of each key instruction processorunit connects the corresponding control signal output terminal of master controller, and each key indicator signal output terminal of each key instruction processorunit connects corresponding key pilot lamp respectively; The spread geometry of described key pilot lamp and position are consistent with the spread geometry and the position of piano key; The control signal output ends of controlling the unit connects the signal input part of controlling of master controller; The data transmission port of storer connects the data read port of master controller.
Described piano study machine, wherein: described key pilot lamp is all identical, all be connected with matrix-shaped structure: each key pilot lamp includes one by one corresponding to five luminescent devices of each finger of left hand with one by one corresponding to five luminescent devices of right finger, ten luminescent devices of each key pilot lamp are connected with the matrix structure of ten row, one row, and each luminescent device of the corresponding key pilot lamp that each key instruction processorunit is controlled is formed the luminescent device matrix of ten row multiple rows; The drive end of each luminescent device connects the corresponding key indicator signal output terminal of corresponding key instruction processorunit respectively.
Described piano study machine, wherein: described piano study machine also comprises sound playing unit and display unit, the signal input part of sound playing unit connects the audio signal output end of master controller; The signal input part of display unit connects the shows signal output terminal of master controller.
The utility model will reach following technique effect after adopting technique scheme:
The utility model drives the light on and off of corresponding key pilot lamp by master controller and key instruction processorunit group, thereby points out intuitively corresponding note should be to play which key, and the person improves speed and the efficient of learning piano thereby make the piano study; Further, the luminescent device that is provided with on the key pilot lamp is each finger of corresponding people's one by one right-hand man, and pointing out corresponding note intuitively is to be pointed by which of the left hand or the right hand to play this key, can further improve the efficient of piano study.
Description of drawings:
Fig. 1 is the structure principle chart of piano study machine of the present utility model;
Fig. 2 is that the key pilot lamp of corresponding piano the preceding paragraph key is arranged synoptic diagram;
Fig. 3 is arrangement, the numbering synoptic diagram of ten luminescent devices on each key pilot lamp;
Fig. 4 is the circuit theory diagrams of piano study machine of the present utility model.
Embodiment:
Piano study machine of the present utility model, as shown in Figure 1, wherein: comprise master controller, storer, key instruction processorunit group, control the unit and one by one corresponding to the key pilot lamp of respectively playing key on the piano, comprise at least two key instruction processorunits in the key instruction processorunit group, the signal input end of each key instruction processorunit connects the corresponding control signal output terminal of master controller, and each key indicator signal output terminal of each key instruction processorunit connects corresponding key pilot lamp respectively; The spread geometry of described key pilot lamp and position are consistent with the spread geometry and the position of piano key; The control signal output ends of controlling the unit connects the signal input part of controlling of master controller; The data transmission port of storer connects the data read port of master controller.
There is the following files content in the described storer: the picture file of music score such as the audio frequency and video file of piano music, piano music staff or numbered musical notation, according to the music note file of various states that is used for controlling the key pilot lamp of music score reorganization, the above-mentioned file of same first piano music is placed in the file, with convenient management.
Described piano study machine also comprises sound playing unit and display unit, and the signal input part of sound playing unit connects the audio signal output end of master controller; The signal input part of display unit connects the shows signal output terminal of master controller.
Described key pilot lamp is all identical, a kind of embodiment is that each key pilot lamp all adopts two luminescent devices, two luminescent devices adopt different colors to be used to distinguish the left hand or the right hand respectively, when the luminescent device on the key pilot lamp is bright, i.e. indication removes to play the key of this key pilot lamp correspondence, it is to play with the left hand or the right hand that the color of key pilot lamp is used for pointing out, the corresponding key indicator signal output terminal of the corresponding key instruction processorunit of the corresponding connection of drive end of corresponding luminescent device on each key pilot lamp;
Second kind of embodiment of key pilot lamp is set to matrix structure, each key pilot lamp includes one by one corresponding to five luminescent devices of each finger of left hand with one by one corresponding to five luminescent devices of right finger, ten luminescent devices of each key pilot lamp are formed the matrix structure of ten row, one row, in the present embodiment, five luminescent devices corresponding to each finger of left hand are arranged in top, five luminescent devices corresponding to right finger are arranged in the bottom, the color of five luminescent devices of corresponding left hand is different with five luminescent device colors of corresponding right finger, so that distinguishing is that the left hand or the right hand are played, five luminescent devices of corresponding left hand are according to number 1 ~ 5 one by one from the thumb to the little finger, five luminescent devices of corresponding right finger are according to numbering 1 ~ 5 one by one from the thumb to the little finger, the drive end of each luminescent device connects the corresponding key indicator signal output terminal of corresponding key instruction processorunit respectively; In the present embodiment, luminescent device all adopts light emitting diode, also can adopt other luminescent device, as organic electroluminescence device.
Fig. 2 is for adopting under second kind of embodiment situation of key pilot lamp, and the key pilot lamp of corresponding piano the preceding paragraph key is arranged synoptic diagram, and on this piano study machine, the arrangement of key pilot lamp is consistent with black, the white key arrangement position of piano.Fig. 3 is for adopting under second kind of embodiment situation of key pilot lamp, the arrangement of ten luminescent devices on each key pilot lamp, numbering synoptic diagram, five luminescent devices of corresponding left hand are arranged on top, five luminescent devices of the corresponding right hand are arranged on the bottom, at these above luminescent device, be covered with one deck be printed with 1., 2., 3., 4., the 5. plastic foil of numeral, the corresponding luminescent device of each numeral, when corresponding luminescent device is bright, just illuminated the numeral above it; Five luminescent devices of corresponding left hand 1., 2., 3., 4., 5. and five luminescent devices of the corresponding right hand 1., 2., 3., 4., spread geometry 5., the shape of finger is identical when playing the musical instrument; Color when lighting according to luminescent device and the numeral that is illuminated, we just know still be which finger of the right hand goes to have played this key with left hand.
Fig. 4 is the circuit theory diagrams of piano study machine of the present utility model, and master controller D6(model is STM32 F103VBT6) shows signal output terminal 1 ~ 25 pin and 2 ~ 34 pins of the display screen D9 of the corresponding connection display unit of 84 ~ 100 pin; Tone decoding process chip D4(model is VS1003B in the corresponding connection sound playing unit of audio signal output end 51 ~ 56 pin of master controller D6) 8,13,23,28,29,30 pins, the signal output part 39 pin connection power amplifier chip D5(model LM4861 of tone decoding processor D4) 4 pin, output terminal 8 pin and 5 pin of power amplifier chip D5 are connected the both positive and negative polarity of loudspeaker respectively.Master controller D6 control signal input part 26 pins and 29 ~ 33 pins connect the button S1 ~ S6 that controls the unit respectively, button S1 ~ S6 all can define its function by program, in the present embodiment, when the program of piano study machine is in the interface of " melody selection ", button S1, S2, S3, S4 are used for the upper and lower, left and right moving cursor and select melody, button S5 is used for confirming selection just now, and button S6 is used for turning back to the previous menu interface.At other menu interfaces, the function of button S1 ~ S6 all can define by program.Data read port 38 ~ 48 pin connected storage D7(SD storage cards of master controller D6) 1 ~ 7 pin and 10 pin.Storer D7 adopts SD storage card (such as the SD card of the 1G capacity of Jin Shidun).Comprise display screen D9 in the display unit.Program storage D8 is used for stored programme.
Only illustrate a key instruction processorunit D1(EM78P809 among Fig. 4) and six corresponding key pilot lamp, the array L1 of five light emitting diode compositions is used for five fingers of left hand of the corresponding indication first key pilot lamp, the array R1 of five light emitting diode compositions is used for five fingers of the right hand of the corresponding indication first key pilot lamp, equally, array L2, R2 constitutes the second key pilot lamp, array L3, R3 constitutes the 3rd key pilot lamp, array L4, R4 constitutes the 4th key pilot lamp, array L5, R5 constitutes the 5th key pilot lamp, array L6, R6 constitutes the 6th key pilot lamp, signal input part 15 pin of key instruction processorunit D1 connect signal output part 76 pin of master controller D6, to receive the serial data of note statement, signal output part 17 ~ 26 pin of key instruction processorunit D1 and each light emitting diode of the corresponding connection of 4 ~ 9 pin are just, negative pole, the drive signal of master controller D6 output is after key instruction processorunit D1 handles, drive corresponding lumination of light emitting diode, play with indication; 10 ~ 13 pin of key instruction processorunit D1 are respectively by a switch (totally four switches are to adopt the four-way switch of a four way switch D2 to realize) ground connection, by the identification address sign indicating number input of opening, breaking and controlling key instruction processorunit D1 of control respective switch.
Specific operation process is as follows:
1, need play which key: the light emitting diode of which key pilot lamp is bright, just plays the key of correspondence position with it;
2, with which hand go to play: the different colours correspondence of light emitting diode the left hand or the right hand; Light emitting diode such as corresponding left hand adopts redness, and the light emitting diode of the corresponding right hand adopts green.
3, with which finger go to play: which numeral light emitting diode has illuminated, and just with which finger goes to play;
4, how long play: light emitting diode light yellow, finger are just pinned key, after it extinguishes, unclamp key;
The dynamics of 5, playing: light emitting diode is bright more, and the dynamics of playing key is big more; Otherwise dynamics is just more little;
Like this, the LED light lamp on the key pilot lamp is ceaselessly bright, go out, and pointing out corresponding finger ceaselessly to knock the different keys of piano, trickles once first piano music thereupon.
If each key pilot lamp adopts aforementioned first kind of embodiment, be each key pilot lamp respectively have only 1 light emitting diode in two arrays up and down, so, except can't pointing out the information of going to play with which finger, other 4 information contents still can be transmitted.
There are 12 black, white keys in each range of sound of fingerboard, therefore 12 key pilot lamp in each range of sound of fingerboard need 2 key instruction processorunits to control at least, common piano has 88 keys, just needs 15 key instruction processorunits to control this 88 key pilot lamp at least.These key pilot lamp are in the same place with positional alignment according to the shape of piano key, form a key pilot lamp array.
Like this, after master controller D6 sends to the key instruction processorunit with the serial data of note, 15 pin by key instruction processorunit D1 receive, afterwards, the key instruction processorunit compares information and its identification address sign indicating number of receiving earlier, and the key instruction processorunit is only handled the note data that mates with the address code of oneself.The key instruction processorunit is according to the content of note data, control corresponding key pilot lamp light emitting diode bright, go out.
If in the key pilot lamp of same key instruction processorunit control, need bright key pilot lamp more than 2 or 2 simultaneously, when playing 2 or 2 above keys such as needs promptings, the key instruction processorunit is the mode to scan just, allow these several lamps bright in turn, go out, seem the effect of light yellow simultaneously to reach.
The strong and weak degree of the dynamics of playing is pointed out in the different brightness of employing light emitting diode, and the mode that the brightness of light emitting diode is lighted the ratio value between time and fall time by the change light emitting diode realizes regulating.
Master controller D6 in the present embodiment also has external network interface, can be USB interface, and perhaps the network interface card interface can link by network interface and internet, computer, from the Internet download, the different piano music data of renewal.
Some note statements are arranged in piano music note file, each bar note statement all corresponding a note on the music score.Comprised in the note statement and on piano, played this note relevant parameters: the position of the key of this note correspondence, be to play, be the time of going to play, play with which finger, the time that note continues, the dynamics of playing with the left hand or the right hand, in addition, also comprise the coordinate position of this note in the music score picture in the note file, or the like.
After operation push-button was chosen certain first melody, if wish to play the video content of melody, controller processor was just delivered to sound, the image file of this melody in the storer D7 output of decoding of sound playing unit, display unit.
Play piano if wish study, prompting, controller processor just reads music note file and music score picture file in storer D7, and master controller D6 understands one by one, compiles and export each the bar note statement in the music note file.
Corresponding contents in each bar note statement, send to key instruction processorunit in the mode of serial from signal output part by master controller D6, it is luminous that the key instruction processorunit drives corresponding key pilot lamp, and send the rhythm of this serial data, just when send next serial data, decide by " time that note continues " this parameter in the note statement.At work, also can regulate the value of " time that note continues " this parameter, can allow the rhythm of playing prompting transfer soon or transfer slowly, with convenient learner in various degree by controlling the unit.
When master controller sends data from its signal output part, the picture file of music score is shown on the liquid crystal display of display unit, and, the position of this note is marked out on the music score picture of liquid crystal display according to the coordinate position of this note in the music score picture.
In the present embodiment, key pilot lamp array and master controller, key instruction processorunit have been made an integral body, be placed in the housing of the strip that an aluminium section bar makes, this shell length slightly is longer than the key zone of piano.In use, this housing is shelved on the fingerboard, also can be embedded on the plank above the fingerboard.Key pilot lamp array has occupied most length of housing.In the key pilot lamp array, the spread geometry of key pilot lamp and position are consistent with the spread geometry and the position of piano key, on key pilot lamp array, be covered with and be printed with 1. 2. 3. 4. 5. plastic foil of numeral, these numerals 1. 2. 3. 4. 5., respectively corresponding each luminescent device of each key pilot lamp; These numerals are 2. 3. 4. 5. background color 1., is printed as black or white respectively, makes key pilot lamp array global pattern seem consistent with the black and white key of piano.In the appropriate location of above-mentioned housing, the LCDs of display unit is set and controls the control button of unit and the loudspeaker of sound playing unit.
Cooperate the piano study information of piano study machine work to generate disposal route, may further comprise the steps:
A, master controller D6 read the music note file of being made up of the note statement from storer D7, and the note statement in the described music note file is sent to corresponding key instruction processorunit D1 one by one; Described note statement comprises the note data of this note;
B, described key instruction processorunit D1 receive note data in the described note statement with interrupt mode;
C, described key instruction processorunit D1 carry out assignment according to the note data that receives to playing the indication array, and the corresponding I/O mouth of key instruction processorunit D1 is put high level or low level according to described assignment, lighting or to extinguish corresponding key pilot lamp, the position and the opportunity of playing key during the lighting position and opportunity and play melody of key pilot lamp are consistent.
The form of described note statement when sending to key instruction processorunit D1 is S+RLHand+HandPos+Data+Time+Strong+V, wherein, S is a beginning flag, RLHand is right-hand man's reminder-data, HandPos is right-hand man's respective finger reminder-data, and Data is the position of piano key data, and Time is for playing time data, Strong is for playing strong and weak data, and V is an end mark.
Described key instruction processorunit D1 receives the described note data and the zone bit that setups string with character string, key instruction processorunit D1 with the method that interrupt mode receives described note data is: judge at first whether the data that receive are beginning flag, in this way, then pack into string data pointed character string reference position and with data, simultaneously data pointer is added one, the zero clearing of character string zone bit, when continue receiving next data, at first judge whether to be end mark, if not, judge again whether the character string zone bit is zero, if the character string zone bit is zero, the character string position that the data pointer of then data being packed into points to also adds one with data pointer, when receiving end mark, with character string mark position one.
The indication array of playing described in the abovementioned steps C comprises: play time array, row pilot lamp array, row pilot lamp array, wherein play the time array and be used for depositing the lighting time value of light emitting diode, row pilot lamp array is used for depositing the level value of the corresponding I/O mouth of the key instruction processorunit D1 that each row links to each other in the luminescent device matrix with the key pilot lamp, and row pilot lamp array is used for depositing that each is listed as the level value of the corresponding I/O mouth of the key instruction processorunit D1 that links to each other in the luminescent device matrix with the key pilot lamp.
To play time data Time assignment to after playing the time array, begin immediately the time of playing is begun countdown, the minimizing of playing each element numerical value of time array is to be realized by one 1 millisecond clock interruption subroutine, 1 millisecond of time of every mistake, just produce an interruption, the numerical value greater than 0 subtracts one in each element of time array with playing.
Assignment procedure to row pilot lamp array, row pilot lamp array: according to data Data, RLHand, the HandPos in the note statement, can determine remove to play which key with which finger of which hand, Dui Ying light emitting diode also just can be determined with it, and this light emitting diode residing row, column position in the luminescent device matrix also just can be determined so.To be listed as from left to right ordering, this will be listed as the sequence number of residing sequence number as array element, give array Line[], Row[], LedTime[] the corresponding element assignment; The corresponding I/O mouth of the key instruction processorunit D1 that will link to each other with this row presets high level, other I/O mouths of linking to each other with key instruction processorunit D1 of row all preset low level in the luminescent device matrix, then the preset level value of these I/O mouths are composed to array Line[] corresponding element; The corresponding I/O mouth of the key instruction processorunit D1 that will link to each other with these row presets low level, other I/O mouths of linking to each other with key instruction processorunit D1 of row all preset high level in the luminescent device matrix, then the preset level value of these I/O mouths are composed to array Row[] corresponding element.
In the present embodiment, key instruction processorunit D1 is that the method for taking to scan output I/O mouth level value realizes to lighting of key pilot lamp, concrete grammar is: each element circulates the array recursive subroutine of key instruction processorunit D1 one by one in the time array to playing, whether the numerical value of judging each element is greater than zero, as greater than zero, the corresponding luminescent device of expression should be lighted, just will go the pilot lamp array, in the row pilot lamp array value that should element is composed corresponding I/O mouth to the key instruction processorunit D1 of correspondence, corresponding luminescent device is lighted, luminescent device extinguished after time-delay a period of time, the time of lighting of light emitting diode and the ratio value between the fall time are controlled by the Strong value, change the bright dark degree that the Strong value just can change light emitting diode, represent the power of playing with this.
Also store the music score picture file among the described storer D7, described music note file also includes the coordinate position of note on the music score picture corresponding to each bar note statement representative, master controller D6 is showing described music score picture when key instruction processorunit D1 sends the note statement on display screen D9, simultaneously in the music score picture that the coordinate position on the music score picture is demonstrating described note, carry out position mark according to this note, like this, the piano study person is following the bright of key pilot lamp, go out when practising playing, the music score of can also reading strengthens and reads spectrum, the identification of spectrogram ability.
Also store the audio and video file among the described storer D7, the note file of same first piano music, music score picture file and sound image file leave in the same file of storer D7, master controller is delivered to the output of decoding of sound playing unit, display unit with the audio and video file, realizes playing the video content of melody.By playing the audio/video file of piano music, what the piano study person can listen to the piano teacher correctly plays sound, also can learn the piano teacher and require and the explanation of skill playing.

Claims (3)

1. piano study machine, it is characterized in that: comprise master controller, storer, key instruction processorunit group, control the unit and one by one corresponding to the key pilot lamp of respectively playing key on the piano, comprise at least two key instruction processorunits in the key instruction processorunit group, the signal input end of each key instruction processorunit connects the corresponding control signal output terminal of master controller, and each key indicator signal output terminal of each key instruction processorunit connects corresponding key pilot lamp respectively; The spread geometry of described key pilot lamp and position are consistent with the spread geometry and the position of piano key; The control signal output ends of controlling the unit connects the signal input part of controlling of master controller; The data transmission port of storer connects the data read port of master controller.
2. piano study machine as claimed in claim 1, it is characterized in that: described key pilot lamp is all identical, all be connected with matrix-shaped structure: each key pilot lamp includes one by one corresponding to five luminescent devices of each finger of left hand with one by one corresponding to five luminescent devices of right finger, ten luminescent devices of each key pilot lamp are connected with the matrix structure of ten row, one row, and each luminescent device of the corresponding key pilot lamp that each key instruction processorunit is controlled is formed the luminescent device matrix of ten row multiple rows; The drive end of each luminescent device connects the corresponding key indicator signal output terminal of corresponding key instruction processorunit respectively.
3. piano study machine as claimed in claim 2 is characterized in that: described piano study machine also comprises sound playing unit and display unit, and the signal input part of sound playing unit connects the audio signal output end of master controller; The signal input part of display unit connects the shows signal output terminal of master controller.
CN2011200986188U 2011-04-07 2011-04-07 Piano learning machine Expired - Fee Related CN202042072U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102157091A (en) * 2011-04-07 2011-08-17 邓江涵 Piano learning machine and piano-learning information generating and processing method
CN103247200A (en) * 2013-05-15 2013-08-14 河北工业大学 Piano electronic teaching device based on DSP (digital signal processor)
CN103745628A (en) * 2013-11-20 2014-04-23 无锡通明科技有限公司 Children electronic organ
CN104091488A (en) * 2014-07-03 2014-10-08 青岛职业技术学院 Piano used for teaching
CN104167122A (en) * 2014-07-31 2014-11-26 喻应芝 Intelligent instruction-assisting practicing device and method of piano
CN105096690A (en) * 2015-09-06 2015-11-25 广东小天才科技有限公司 Method and device for playing piano pieces
CN108806394A (en) * 2018-05-23 2018-11-13 朱风明 A kind of piano playing software fingering display methods and fingering storage device
US11087636B2 (en) 2018-04-20 2021-08-10 Xingxin Liu Lights-guided piano learning and teaching apparatus, and method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102157091A (en) * 2011-04-07 2011-08-17 邓江涵 Piano learning machine and piano-learning information generating and processing method
CN102157091B (en) * 2011-04-07 2013-11-06 邓江涵 Piano learning information generating and processing method
CN103247200A (en) * 2013-05-15 2013-08-14 河北工业大学 Piano electronic teaching device based on DSP (digital signal processor)
CN103745628A (en) * 2013-11-20 2014-04-23 无锡通明科技有限公司 Children electronic organ
CN104091488A (en) * 2014-07-03 2014-10-08 青岛职业技术学院 Piano used for teaching
CN104091488B (en) * 2014-07-03 2017-01-11 青岛职业技术学院 Piano used for teaching
CN104167122A (en) * 2014-07-31 2014-11-26 喻应芝 Intelligent instruction-assisting practicing device and method of piano
CN105096690A (en) * 2015-09-06 2015-11-25 广东小天才科技有限公司 Method and device for playing piano pieces
US11087636B2 (en) 2018-04-20 2021-08-10 Xingxin Liu Lights-guided piano learning and teaching apparatus, and method
CN108806394A (en) * 2018-05-23 2018-11-13 朱风明 A kind of piano playing software fingering display methods and fingering storage device

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Granted publication date: 20111116

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