CN110534080A - A kind of intelligence piano performance music score - Google Patents
A kind of intelligence piano performance music score Download PDFInfo
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- CN110534080A CN110534080A CN201910849103.8A CN201910849103A CN110534080A CN 110534080 A CN110534080 A CN 110534080A CN 201910849103 A CN201910849103 A CN 201910849103A CN 110534080 A CN110534080 A CN 110534080A
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- 230000011218 segmentation Effects 0.000 claims description 16
- 239000000284 extract Substances 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/41—Analysis of document content
- G06V30/413—Classification of content, e.g. text, photographs or tables
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
- G10G7/00—Other auxiliary devices or accessories, e.g. conductors' batons or separate holders for resin or strings
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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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- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Auxiliary Devices For Music (AREA)
Abstract
A kind of intelligence piano performance music score, including placement plate, the front of the placement plate is equipped with for showing the display of electronic music, being used to indicate and play the indicator light of correctness, for detecting the audio frequency vibration sensor for playing note, the scanner for scanning paper score and the sound equipment for issuing correct note sound, central processing unit and power supply device are additionally provided in the placement plate, the back side of placement plate is hinged with the support plate for the support placement plate.The motor is connect by accelerator with the lower rotary shaft, and the accelerator is used to be promoted the velocity of rotation of lower rotary shaft.The present invention obtains each note in song by handling the song to be played, is successively being shown to user in the length by each note according to the time, so that user is when playing, without looking at music score, to reduce the number that player plays mistake.
Description
Technical field
The present invention relates to musical performance apparatus technical field, in particular to a kind of intelligent piano performance music score.
Background technique
Piano is one of western classical music keyboard instrument, there is the laudatory title of " king of musical instrument ".By 88 52 whites
Key and 36 black keys and metallic cord soundboard composition.When piano performance, player can carry out against music score
It plays, in practice, player often can cannot play very perfect due to misunderstanding music score, will appear play mistake once in a while
The case where, in this way when audience listens to music, bad experience will be caused to audience.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned problems of the prior art, a kind of intelligent piano performance music score is provided,
By handling the song to be played, each note in song is obtained, in the length by each note according to the time
It is successively shown to user, so that user is when playing, without looking at music score, to reduce time that player plays mistake
Number.
For this purpose, the present invention provides a kind of intelligent piano performance music score, including placement plate, the front of the placement plate are equipped with
For showing the display of electronic music, being used to indicate and play the indicator light of correctness, for detecting the audio for playing note
Vibrating sensor, the scanner for scanning paper score and the sound equipment for issuing correct note sound, the placement plate
On be additionally provided with central processing unit and power supply device, the back side of placement plate is hinged with the support plate for the support placement plate, institute
Central processing unit is stated to connect with the display, indicator light, audio frequency vibration sensor, scanner and acoustic signal respectively；Institute
It is electric with the central processing unit, display, indicator light, audio frequency vibration sensor, scanner and sound equipment respectively to state power supply device
Connection；
The music score picture that scanning obtains is sent central processing unit by the scanner, and central processing unit obtains scanning
Music score is extracted in music score picture, and music score is stored in the memory built in central processing unit, central processing unit is by memory
In music score decomposed, obtain the duration of each note, and according to each note duration described aobvious
Show that device shows the note, while audio frequency vibration sensor described in central processing unit real-time reception detects the frequency for playing note,
And compared with the setting range of the standard frequency of current note, when the standard frequency for the frequency and current note for playing note
When the setting range of rate is different, central processing unit controls the indicator light and lights, while described in central processing unit control
Sound equipment issues the sound of current note in current note duration.
Further, the scanner is embedded in the inside of the placement plate, and the scanning entrance of scanner is located at placement plate
Edge；The audio frequency vibration sensor is located at the bottom of the placement plate；The back side of the placement plate is offered for storing
The groove of support plate is stated, support plate is hinged on the cell wall of the groove.
Further, there are two the quantity of the indicator light, one of indicator light be used to indicate play note frequency it is small
In the setting range of the standard frequency of current note the case where, another indicator light, which is used to indicate, to be played the frequency of note and is greater than and works as
The case where setting range of the standard frequency of preceding note；
The central processing unit compares the setting range for the standard frequency for playing the frequency and current note of note,
When the setting range for the standard frequency that the frequency for playing note is less than current note, it is used to indicate the frequency for playing note
Less than the standard frequency of current note setting range the case where indicator light light, when play note frequency be greater than current sound
When the setting range of the standard frequency of symbol, it is greater than the setting of the standard frequency of current note in the frequency that note is played in instruction
The indicator light of the case where range is lighted.
Further, the color of two indicator lights in the placement plate lighted when lighting is inconsistent.
Further, the central processing unit will scan in obtained music score picture and extract music score, include the following steps:
S1: central processing unit by the obtained all music score pictures of scanning according to scanning sequencing from top to bottom successively
Spliced, obtains whole music score picture；
S2: music score picture whole obtained in step S1 is split according to each row, after obtaining several segmentations
Music score picture；
S3: the music score picture after successively identifying each segmentation using image recognition technology obtains the music score of every a line；
S4: according to the recognition sequence in step S3, the music score of every a line is spliced, obtains whole music score.
Further, in step s3, include the following steps:
S3-1: by the number of the music score picture reproduction setting after segmentation；
S3-2: the music score picture after the segmentation of every a duplication is identified using image recognition technology respectively, is obtained
The music score text in music score picture after the segmentation of every a duplication；
S3-3: whole music score texts in step S3-2 are compared, if whole music score texts is consistent, into
Enter S3-4 step, if there is inconsistent music score text, then enters S3-1 step；
S3-4: the music score text in music score picture is exported as the music score of the row.
Further, the note to be played of display center display of the display, the showing edge of display is shown will bullet
The adjacent note in the front and back for the note played.
Further, the screen size of the note of the display center display of the display is greater than the showing edge of display
The screen size of the note of display.
A kind of intelligent piano performance music score provided by the invention, has the following beneficial effects:
1, by handling the song to be played, each note in song is obtained, by each note foundation
The length of time is successively shown to user, so that user when playing, without looking at music score, plays to reduce player
The number of mistake.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of intelligent piano performance music score provided by the invention；
Fig. 2 is a kind of signal connection relationship diagram of a component of intelligent piano performance music score provided by the invention；
Fig. 3 is the music score picture that a kind of central processing unit of intelligent piano performance music score provided by the invention obtains scanning
In extract the flow diagram of music score；
Fig. 4 is a kind of idiographic flow schematic diagram in step s3 of intelligent piano performance music score provided by the invention.
Description of symbols:
1, placement plate；2, display；3, indicator light；4, audio frequency vibration sensor；5, scanner；6, support plate；7, sound equipment.
Specific embodiment
With reference to the accompanying drawing, multiple specific embodiments of the invention are described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
It is known in those skilled in the art without specific number of element types and structure in present specification
The prior art, those skilled in the art can set according to the needs of actual conditions, in the embodiment of present specification
Specific restriction is not done.
Embodiment 1
A kind of intelligent piano performance music score is present embodiments provided, realizes the present invention by basic essential features,
To solve the problems, such as that background of technology is proposed in present specification.
Specifically, as shown in Figure 1, the embodiment of the invention provides a kind of intelligent piano performance music score, including placement plate 1,
The front of the placement plate 1 is equipped with for showing the display 2 of electronic music, being used to indicate and play the indicator light of correctness
3, correct for detecting the audio frequency vibration sensor 4 for playing note, the scanner 5 for scanning paper score and for issuing
The sound equipment 4 of note sound is additionally provided with central processing unit and power supply device in the placement plate 1, and the back side of placement plate 1 is hingedly useful
In the support plate 6 of the support placement plate 1, the central processing unit is passed with the display 2, indicator light 3, audio frequency vibration respectively
Sensor 4, scanner 5 and the connection of 4 signal of sound equipment.The power supply device respectively with the central processing unit, display 2, instruction
Lamp 3, audio frequency vibration sensor 4, scanner 5 and sound equipment 4 are electrically connected.
The course of work of above-mentioned technical proposal is that the music score picture that scanning obtains is sent centre by the scanner 5
Device is managed, central processing unit will scan in obtained music score picture and extract music score, and music score is stored in built in central processing unit
In memory, central processing unit decomposes the music score in memory, obtains the duration of each note, and according to every
One note duration shows the note, while audio frequency vibration described in central processing unit real-time reception in the display 2
Sensor 4 detects the frequency for playing note, and compares with the setting range of the standard frequency of current note, when playing
When the setting range of the standard frequency of the frequency and current note of note is different, central processing unit controls the indicator light
3 light, while central processing unit controls the sound that the sound equipment 4 issues current note in current note duration.
In the present embodiment, paper score is put into scanner 5 and is scanned by user, and scanner 5 obtains scanning
Music score picture is sent to central processing unit, and central processing unit will scan in obtained music score picture and extract music score, and prompt to use
Family strikes up, meanwhile, audio frequency vibration sensor 4 described in central processing unit real-time reception detects the frequency for playing note, and
It is compared with the setting range of the standard frequency of current note, when the standard frequency for the frequency and current note for playing note
Setting range it is different when, central processing unit controls the indicator light 3 and lights, while central processing unit controls the sound
Ring 4 sound that current note is issued in current note duration.That is, during user plays, when user plays
When mistake, indicator light 3 is lighted, while sound equipment 4 is emitted in the sound that current note is issued in current note duration,
So that the sound of bullet mistake is covered, so that the note of song is perfect, the audio experience of listener is more promoted.
Embodiment 2
The present embodiment is optimized based on embodiment 1 and to the embodiment in embodiment 1, so that the present embodiment is being transported
More stable in capable process, performance is more good, but is not limited in a kind of embodiment party described in the present embodiment
Formula.
Specifically, the scanner 5 is embedded in the inside of the placement plate 1, the scanning entrance of scanner 5 is located at placement plate
1 edge.The audio frequency vibration sensor 4 is located at the bottom of the placement plate 1.The back side of the placement plate 1, which offers, to be used for
The groove of the support plate 6 is stored, support plate 6 is hinged on the cell wall of the groove.
In the present embodiment, scanner 5 is embedded in the inside of the placement plate 1, using slim scanner, is saved in this way
The space of the invention to be occupied, the scanning entrance of scanner 5 are located at the edge of placement plate 1, and such user can be by paper
The music score of matter is put into, more convenient in the meeting used.
In the present embodiment, audio frequency vibration sensor 4 is located at the bottom of the placement plate 1, due to making a sound in piano
When, piano has certain vibration, and this vibration is exactly directly to be embodied on the body of piano, therefore, by sound
The bottom of placement plate 1 is arranged in frequency vibration sensor 4, can thus make audio frequency vibration sensor 4 directly with the qin of piano
Body is contacted, so that vibration transmitting is more good.
In the present embodiment, the back side of placement plate 1 offers the groove for storing the support plate 6, and support plate 6 is hinged
On the cell wall of the groove.Support plate 6 can be stored to, when not in use, support plate 6 and placement by groove
The outside of plate 1 flushes, and when in use, placement plate 1 is supported by support plate 6.
Specifically, one of indicator light 3 is used to indicate the frequency for playing note there are two the quantity of the indicator light 3
Less than the standard frequency of current note setting range the case where, another indicator light 3 be used to indicate play note frequency it is big
In the setting range of the standard frequency of current note the case where.By two inconsistent indicator lights 3, different shapes is indicated respectively
State, in this way when user uses, will more be apparent from oneself plays state.Meanwhile two indicator lights 3 being divided
It She Zhi not be more clear when user distinguishes in this way in the left and right sides.
The course of work of above-mentioned technical proposal is that the central processing unit will play the mark of the frequency and current note of note
The setting range of quasi- frequency compares, when play note frequency be less than current note standard frequency setting range when
Wait, be used to indicate play note frequency be less than current note standard frequency setting range the case where indicator light 3 light,
It is big in the frequency that note is played in instruction when the setting range for the standard frequency that the frequency for playing note is greater than current note
Indicator light 3 in the setting range of the standard frequency of current note the case where is lighted.
In the present embodiment, the color of two indicator lights 3 in the placement plate 1 lighted when lighting is different
It causes.By the inconsistent indicator light 3 of two colors, different states is indicated respectively, in this way when user uses, Jiu Huigeng
Add be apparent from oneself to play state.
Embodiment 3
The present embodiment is optimized based on embodiment 1 and to the embodiment in embodiment 1, so that the present embodiment is being transported
More stable in capable process, performance is more good, but is not limited in a kind of embodiment party described in the present embodiment
Formula.
In the present embodiment, the process that central processing unit is extracted to music score in the music score picture that scanning obtains carries out
Further description and refinement.
Specifically, the central processing unit, which will scan in obtained music score picture, extracts music score, include the following steps:
S1: central processing unit by the obtained all music score pictures of scanning according to scanning sequencing from top to bottom successively
Spliced, obtains whole music score picture.
S2: music score picture whole obtained in step S1 is split according to each row, after obtaining several segmentations
Music score picture.
S3: the music score picture after successively identifying each segmentation using image recognition technology obtains the music score of every a line.
S4: according to the recognition sequence in step S3, the music score of every a line is spliced, obtains whole music score.
In above-mentioned steps S1 to S4, music score is split, is successively extracted by the music score picture after segmentation, most
After spliced, obtain a complete whole music score.
In the present embodiment, the music score that music score uses number to be indicated, for example, trembling (do), coming (re), miaow
(mi), it sends out (fa), rope (sol), draw (la), western (si), corresponding is exactly 1,2,3,4,5,6,7 representation method, this method
It is widely applied in music.
More specifically, in step s3, include the following steps:
S3-1: by the number of the music score picture reproduction setting after segmentation.In general, the number that duplication is set is three part.
S3-2: the music score picture after the segmentation of every a duplication is identified using image recognition technology respectively, is obtained
The music score text in music score picture after the segmentation of every a duplication.
S3-3: whole music score texts in step S3-2 are compared, if whole music score texts is consistent, into
Enter S3-4 step, if there is inconsistent music score text, then enters S3-1 step.
S3-4: the music score text in music score picture is exported as the music score of the row.
Above-mentioned steps S3-1 to S3-4 by repeatedly identifying to music score, in this way may be used by comparing after it will identify
To improve the accuracy rate of identification, so that the identification of music score is more accurate.
Specifically, the note to be played of display center display of the display 2, the showing edge of display 2, which is shown, to be wanted
The adjacent note in the front and back for the note played.
The technical characteristic prompts user by the method for display, the next note for prompting user that should play,
Such beneficial effect is to prevent user from having misunderstood the music score played when playing and having led to the mistake played.
More specifically, the screen size of the note of the display center display of the display 2 is greater than the display side of display 2
The screen size for the note that edge is shown.
The technical characteristic be the supplement of above-mentioned technical characteristic is limited so that above-mentioned technical characteristic when display more
Have feature.By when make the note that must be played in centre, while adjacent note is shown in two sides, meanwhile, display 2
The screen size of note of display center display be greater than the screen size of note that the showing edge of display 2 is shown, in this way
It the use of highlighted mode is that user's more clear current music score when playing plays progress.
In conclusion the invention discloses a kind of intelligent piano performance music score, including placement plate, the front of the placement plate
Be equipped with for show the display of electronic music, be used to indicate play correctness indicator light, for detect play note
Audio frequency vibration sensor, the scanner for scanning paper score and the sound equipment for issuing correct note sound, it is described
Central processing unit and power supply device are additionally provided in placement plate, the back side of placement plate is hinged with the support for the support placement plate
Plate, the central processing unit connect with the display, indicator light, audio frequency vibration sensor, scanner and acoustic signal respectively
It connects；The power supply device respectively with the central processing unit, display, indicator light, audio frequency vibration sensor, scanner and sound
Ring electrical connection.The motor is connect by accelerator with the lower rotary shaft, and the accelerator is for promoting lower rotary shaft
Velocity of rotation.The present invention obtains each note in song by handling the song to be played, by each sound
Symbol is successively shown to user according to the length of time, so that user is when playing, without looking at music score, to reduce performance
Person plays the number of mistake.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (8)
1. a kind of intelligence piano performance music score, including placement plate (1), which is characterized in that the front of the placement plate (1) is equipped with
For show the display (2) of electronic music, be used to indicate play correctness indicator light (3), for detect play note
Audio frequency vibration sensor (4), the scanner (5) for scanning paper score and the sound equipment for issuing correct note sound
(4), it is additionally provided with central processing unit and power supply device on the placement plate (1), the back side of placement plate (1) is hinged with for the branch
The support plate (6) of placement plate (1) is supportted, the central processing unit is passed with the display (2), indicator light (3), audio frequency vibration respectively
Sensor (4), scanner (5) and the connection of sound equipment (4) signal；The power supply device respectively with the central processing unit, display
(2), indicator light (3), audio frequency vibration sensor (4), scanner (5) and sound equipment (4) electrical connection；
The music score picture that scanning obtains is sent central processing unit by the scanner (5), and central processing unit obtains scanning
Music score is extracted in music score picture, and music score is stored in the memory built in central processing unit, central processing unit is by memory
In music score decomposed, obtain the duration of each note, and according to each note duration described aobvious
Show that device (2) shows the note, while audio frequency vibration sensor (4) described in central processing unit real-time reception detects and plays note
Frequency, and compared with the setting range of the standard frequency of current note, when the frequency and current note for playing note
When the setting range of standard frequency is different, central processing unit controls the indicator light (3) and lights, while central processing unit
Control the sound that the sound equipment (4) issues current note in current note duration.
2. a kind of intelligent piano performance music score as described in claim 1, which is characterized in that the scanner (5) is embedded in institute
The inside of placement plate (1) is stated, the scanning entrance of scanner (5) is located at the edge of placement plate (1)；The audio frequency vibration sensor
(4) it is located at the bottom of the placement plate (1)；The back side of the placement plate (1) is offered for storing the recessed of the support plate (6)
Slot, support plate (6) are hinged on the cell wall of the groove.
3. a kind of intelligent piano performance music score as described in claim 1, which is characterized in that the quantity of the indicator light (3) has
Two, one of indicator light (3) be used to indicate play note frequency be less than current note standard frequency setting range
The case where, another indicator light (3) be used to indicate play note frequency be greater than current note standard frequency setting range
The case where；
The central processing unit compares the setting range for the standard frequency for playing the frequency and current note of note, works as bullet
When the setting range for the standard frequency that the frequency for playing note is less than current note, it is used to indicate and plays the frequency of note and be less than
The indicator light (3) of the case where setting range of the standard frequency of current note is lighted, when the frequency for playing note is greater than current sound
When the setting range of the standard frequency of symbol, it is greater than the setting of the standard frequency of current note in the frequency that note is played in instruction
The indicator light (3) of the case where range is lighted.
4. a kind of intelligent piano performance music score as claimed in claim 3, which is characterized in that two on the placement plate (1)
The color of indicator light (3) lighted when lighting is inconsistent.
5. a kind of intelligent piano performance music score as described in claim 1, which is characterized in that the central processing unit will scan
To music score picture in extract music score, include the following steps:
S1: central processing unit successively carries out all music score pictures that scanning obtains according to the sequencing of scanning from top to bottom
Splicing, obtains whole music score picture；
S2: music score picture whole obtained in step S1 is split according to each row, the music score after obtaining several segmentations
Picture；
S3: the music score picture after successively identifying each segmentation using image recognition technology obtains the music score of every a line；
S4: according to the recognition sequence in step S3, the music score of every a line is spliced, obtains whole music score.
6. a kind of intelligent piano performance music score as claimed in claim 5, which is characterized in that in step s3, including walk as follows
It is rapid:
S3-1: by the number of the music score picture reproduction setting after segmentation；
S3-2: the music score picture after the segmentation of every a duplication is identified using image recognition technology respectively, is obtained each
The music score text in music score picture after the segmentation of part duplication；
S3-3: whole music score texts in step S3-2 are compared, if whole music score texts is consistent, are entered
S3-4 step then enters S3-1 step if there is inconsistent music score text；
S3-4: the music score text in music score picture is exported as the music score of the row.
7. a kind of intelligent piano performance music score as described in claim 1, which is characterized in that in the display of the display (2)
The note to be played of centre display, the showing edge of display (2) show the adjacent note in the front and back of the note to be played.
8. a kind of intelligent piano performance music score as claimed in claim 7, which is characterized in that in the display of the display (2)
Entreat the screen size of the note of display greater than the screen size for the note that the showing edge of display (2) is shown.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849103.8A CN110534080B (en) | 2019-09-09 | 2019-09-09 | Music book is played to intelligence piano |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849103.8A CN110534080B (en) | 2019-09-09 | 2019-09-09 | Music book is played to intelligence piano |
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| CN110534080B CN110534080B (en) | 2023-04-07 |
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| US20180342229A1 (en) * | 2016-10-11 | 2018-11-29 | Sunland Information Technology Co., Ltd. | Smart detecting and feedback system for smart piano |
| CN108538143A (en) * | 2018-03-13 | 2018-09-14 | 河南科技学院 | A kind of piano intelligent tutoring system |
| CN108364528A (en) * | 2018-04-17 | 2018-08-03 | 南通理工学院 | Piano playing note correction system and method |
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