CN108389468A - A kind of error correction method and device that note is played - Google Patents
A kind of error correction method and device that note is played Download PDFInfo
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- CN108389468A CN108389468A CN201810182961.7A CN201810182961A CN108389468A CN 108389468 A CN108389468 A CN 108389468A CN 201810182961 A CN201810182961 A CN 201810182961A CN 108389468 A CN108389468 A CN 108389468A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
Abstract
The invention discloses a kind of error correction method and device that note is played, method includes：Obtain the corresponding midi files of song to be played；Using midi protocol analysis midi files, the staff of song to be played is restored；For each note in staff, the identification information that user plays the current piano key pressed when current note is obtained；According to the difference between the identification information of current piano key and the identification information of the corresponding target piano key of current note, judge whether the current piano key that user presses is correct；If so, display current note plays correct information；If it is not, display current note plays the information of mistake；It sets next note of current note to current note, and executes and obtain the step of user plays the identification information for the current piano key pressed when current note.Using the embodiment of the present invention, carry out error correction can be played to note.
Description
Technical field
The present invention relates to a kind of the note playing method and device of intelligent piano, be more particularly to that a kind of note plays entangles
Wrong method and device.
Background technology
As the improvement of people's living standards, people are in terms of pursuing except material life and more and more to pursue spirit
It enjoys, especially in the enjoyment of connection music.Piano is also increasingly liked by people as the representative of classical musical instrument, learns steel
The people of qin is also more and more.
When learning piano, in order to ensure learning effect, need whether correctly to judge the happy symbol played, for one
It is can not be very accurate and quickly to judge whether the note played is correct for a new hand.Therefore, it is necessary to piano teachers to exist
One side error correction.But in practical applications, some students have the demand be in and practiced on the piano, piano teacher that can not possibly follow every
One student is to student's family error correction, therefore, plays progress error correction to note and is a technical problem to be solved urgently.
Invention content
Technical problem to be solved by the present invention lies in a kind of error correction method and device that note is played is provided, to reach
The purpose for carrying out error correction is played to note.
The present invention is to solve above-mentioned technical problem by the following technical programs：
An embodiment of the present invention provides a kind of error correction method that note is played, the method includes：
Obtain the corresponding midi files of song to be played；
Using midi files described in midi protocol analysis, the staff of the song to be played is restored；
For each note in the staff, obtains user and play the current piano key pressed when current note
Identification information；
According to the mark of the identification information of the current piano key and the corresponding target piano key of the current note
Difference between information judges whether the current piano key that the user presses is correct, wherein the target piano is pressed
Key is corresponding piano key when the current note is correctly played；
If so, showing that the current note plays correct information；
If it is not, showing that the current note plays the information of mistake；
It sets next note of the current note to current note, and executes the acquisition user and play current note
When press current piano key identification information the step of.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, it is described judge that the user presses described in
The whether correct judging result of current piano key is in the case of being, the method further includes：
It obtains the user and presses corresponding current start time and the current note correspondence when the current button
Targeted start times；
According to the difference between the current start time and the targeted start times, judge the user whether in institute
It states targeted start times and presses the current piano key；
If so, executing the display current note plays correct information；
If it is not, executing the information that the display current note plays mistake.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, it is described judge that the user presses described in
The whether correct judging result of current piano key is in the case of being, the method further includes：
Corresponding current finish time and the current note when user discharges the current button is obtained to correspond to
Target finish time；
According to the difference between the current finish time and the target finish time, judge the user whether in institute
State the target finish time release current piano key；
If so, executing the display current note plays correct information；
If it is not, executing the information that the display current note plays mistake.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, it is described judge that the user presses described in
The whether correct judging result of current piano key is in the case of being, the method further includes：
It obtains the user to press corresponding current start time when the current button, user's release is described current
Corresponding current finish time and the current note corresponding note duration information when button；
According to the current start time and the current finish time, being pressed for the current piano key is calculated
Duration；
According to the duration of the current piano key being pressed note duration information corresponding with the current note
Difference, judges whether the user plays correctly the duration of the current note；
If so, executing the display current note plays correct information；
If it is not, executing the information that the display current note plays mistake.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, the method further includes：
For each note, according to the corresponding each corresponding weight of assessment item of the current note and the current sound
The scoring score value of symbol calculates the user and plays the corresponding scoring of the current note, wherein the assessment item includes：With
Whether the current piano key that family is pressed correct, user whether the targeted start times press the current piano by
Whether key, user in the target finish time discharge the duration of the current piano key and user to the current note
Whether play correct；
According to the summation of the corresponding scoring of each note, calculates user and play the corresponding score of the song to be played.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, the method further includes：According to user's bullet
Play correct note quantity and the song to be played in include note quantity ratio, calculate what the user played
The accuracy of note.
The embodiment of the present invention additionally provides a kind of error correction device that note is played, and described device includes：First acquisition module,
Recovery module, the second acquisition module, the first judgment module, the first display module, the second display module and setup module, wherein
First acquisition module, for obtaining the corresponding midi files of song to be played；
The recovery module, for using midi files described in midi protocol analysis, restoring the song to be played
Staff；
Second acquisition module, for for each note in the staff, obtaining user and playing current note
When the identification information of current piano key pressed；
First judgment module, for being corresponded to according to the identification information of the current piano key and the current note
Target piano key identification information between difference, judge the current piano key that the user presses whether just
Really, wherein the target piano key is corresponding piano key when the current note is correctly played；
First display module, in the case where the judging result of first judgment module is to be, showing institute
It states current note and plays correct information
Second display module, in the case where the judging result of first judgment module is no, showing institute
State the information that current note plays mistake；
The setup module for setting next note of the current note to current note, and triggers second and obtains
Modulus block.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, described device further includes：Third acquisition module and
Second judgment module, wherein
The third acquisition module, when for obtaining corresponding current beginning when the user presses the current button
Quarter and the corresponding targeted start times of the current note；
Second judgment module, for according to the difference between the current start time and the targeted start times
It is different, judge whether the user in the targeted start times presses the current piano key；
First display module is additionally operable in the case where the judging result of second judgment module is to be, display
The current note plays correct information
Second display module is additionally operable in the case where the judging result of second judgment module is no, display
The current note plays the information of mistake.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, described device further includes：4th acquisition module and
Third judgment module, wherein
4th acquisition module, for obtain when the user discharges the current button it is corresponding it is current at the end of
Quarter and the current note corresponding target finish time；
The third judgment module, for according to the difference between the current finish time and the target finish time
It is different, judge the user whether in the target finish time release current piano key；
First display module is additionally operable in the case where the judging result of the third judgment module is to be, display
The current note plays correct information
Second display module is additionally operable in the case where the judging result of the third judgment module is no, display
The current note plays the information of mistake.
Optionally, in a kind of specific implementation mode of the embodiment of the present invention, described device further includes：5th acquisition module,
Computing module, the 4th judgment module, wherein
5th acquisition module, when for obtaining corresponding current beginning when the user presses the current button
It carves, corresponding current finish time and when the current note corresponding note when the user discharges the current button
Value information；
The computing module calculates the current piano according to the current start time and the current finish time
The duration of button being pressed；
4th judgment module, for according to the duration being pressed of the current piano key and the current note
The difference of corresponding note duration information, judges whether the user plays correctly the duration of the current note；
First display module is additionally operable in the case where the judging result of the 4th judgment module is to be, display
The current note plays correct information
Second display module is additionally operable in the case where the judging result of the 4th judgment module is no, display
The current note plays the information of mistake.
The present invention has the following advantages compared with prior art：
Using the embodiment of the present invention, when the current piano key that user presses is not correct target piano key,
Display note plays the information of mistake, and carry out error correction can be played to note.
Description of the drawings
Fig. 1 is the flow diagram for the error correction method that the first note provided in an embodiment of the present invention is played；
Fig. 2 is the flow diagram for the error correction method that second of note provided in an embodiment of the present invention is played；
Fig. 3 is the flow diagram for the error correction method that the third note provided in an embodiment of the present invention is played；
Fig. 4 is the flow diagram for the error correction method that the 4th kind of note provided in an embodiment of the present invention is played；
Fig. 5 is the flow diagram for the error correction method that the 5th kind of note provided in an embodiment of the present invention is played；
Fig. 6 is the structural schematic diagram for the error correction device that the first note provided in an embodiment of the present invention is played；
Fig. 7 is the structural schematic diagram for the error correction device that second of note provided in an embodiment of the present invention is played；
Fig. 8 is the structural schematic diagram for the error correction device that the third note provided in an embodiment of the present invention is played；
Fig. 9 is the structural schematic diagram for the error correction device that the 4th kind of note provided in an embodiment of the present invention is played.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
To solve prior art problem, an embodiment of the present invention provides a kind of error correction method and device that note is played, under
First just a kind of error correction method that note is played provided in an embodiment of the present invention is introduced kept man of a noblewoman.
The embodiment of the present invention is preferably applied to intelligent piano.
Fig. 1 is the flow diagram for the error correction method that the first note provided in an embodiment of the present invention is played, such as Fig. 1 institutes
Show, the method includes：
S101：Obtain the corresponding midi files of song to be played.
Specifically, should be stored before user plays song to be played, in intelligent piano need to be played song it is corresponding
Midi (Musical Instrument Digital Interface, musical instrument digital interface) file.The midi files can be
User is copied to by flash disk in intelligent piano, the midi texts that can also be obtained by internet by user's operation intelligence piano
Part.
It is understood that midi files be made according to midi agreements, can be by the music file of machine recognition.
S102：Using midi files described in midi protocol analysis, the staff of the song to be played is restored.
Intelligent piano parses the midi files in S101 steps according to pre-set midi agreements in itself,
Parse staff, user be then shown to by display screen, user according to the staff of display to the note in staff into
Row is played.
S103：For each note in the staff, obtains user and play the current piano pressed when current note
The identification information of button.
Specifically, it includes note 1, note 2, note 3, note 4, note 5, note 6, note to assume song to be played successively
7 and note 8.Intelligent piano according to pitch 21-108 there are 88 piano keys, each piano key to have unique mark
Know information, when user presses one of button, intelligent piano can read out the identification information of the piano key, and send out with
The corresponding sound of the piano key.
S104：According to the identification information of the current piano key and the corresponding target piano key of the current note
Difference between identification information judges whether the current piano key that the user presses is correct, wherein the target steel
Qin button is corresponding piano key when the current note is correctly played；If so, executing S105；If it is not, executing S106.
Illustratively, if the current note that intelligent piano plays is note 1, user presses current in S103 steps
Piano key is piano key 18, and 1 corresponding target piano key of note is piano key 15.
According to the difference between piano key 18 and piano key 15, judge whether user presses target piano key,
Obviously, the current piano key that user presses is not target piano key, and judging result is no.
S105：Show that the current note plays correct information.
If the judging result of S104 steps is yes, display note 1 is played correctly.For example, not carrying out any mark to note 1
Know, or selects the symbol head of note 1 using the rectangle circle of green.
S106：Show that the current note plays the information of mistake.
Since the judging result of S104 steps is no, user plays note 1 and plays mistake, and display note 1 is played correctly, example
Such as, it can use red rectangle circle that the symbol head of note 1 is selected to be shown.
S107：It sets next note of the current note to current note, and executes S103 steps；
Illustratively, after the completion of judging note 1, continue the judgement of note 2.Note 2 is set as working as
Then preceding note executes S103 steps.
Using embodiment illustrated in fig. 1 of the present invention, the current piano key that user presses is not correct target piano
When button, display note plays the information of mistake, and carry out error correction can be played to note.
Fig. 2 is the flow diagram for the error correction method that second of note provided in an embodiment of the present invention is played, such as Fig. 2 institutes
Show, embodiment illustrated in fig. 2 of the present invention is yes in the judging result of S104 steps on the basis of embodiment illustrated in fig. 1 of the present invention
In the case of, the method further includes：
S108：It obtains the user and presses corresponding current start time and the current sound when the current button
Accord with corresponding targeted start times.
Illustratively, user is the 100th millisecond the corresponding current start time when pressing piano key 18；Note 1 is right
The targeted start times answered are 100 milliseconds.
In practical applications, for the ease of user's operation, targeted start times can be that the corresponding target of current note is opened
The time range of preset duration after the preceding preset duration to targeted start times at moment that begins；For example, targeted start times can
Think positive and negative 5 milliseconds of 100 milliseconds, 95-105 milliseconds；Or positive and negative 10 milliseconds, 90-110 milliseconds.
S109：According to the difference between the current start time and the targeted start times, judge that the user is
It is no to press the current piano key in the targeted start times；If so, executing S105；If it is not, executing S106.
Illustratively, according in S108 steps, user corresponding current start time, note when pressing piano key 18
The difference of 1 corresponding targeted start times, judges whether user in targeted start times presses current piano key.For example, working as
Preceding start time is identical with targeted start times, or current start time in the corresponding time range of targeted start times,
It is considered that current start time is identical as targeted start times, and then judge that user presses current steel in targeted start times
Qin button.If user presses current piano key in targeted start times, S105 steps are executed, if user is not in mesh
Mark start time presses current piano case, executes S106 steps.
S105：It executes the display current note and plays correct information.
The step is identical as the S105 step contents in embodiment illustrated in fig. 1 of the present invention, and which is not described herein again.
S106：Execute the information that the display current note plays mistake.
The step is identical as the S106 step contents in embodiment illustrated in fig. 1 of the present invention, and which is not described herein again.
Using embodiment illustrated in fig. 2 of the present invention, it can be determined that whether user in targeted start times presses current piano
Button.
Fig. 3 is the flow diagram for the error correction method that the third note provided in an embodiment of the present invention is played, such as Fig. 3 institutes
Show, embodiment illustrated in fig. 3 of the present invention is yes in the judging result of S104 steps on the basis of embodiment illustrated in fig. 1 of the present invention
In the case of, the method further includes：
S1010：Obtain corresponding current finish time and the current sound when user discharges the current button
Accord with corresponding target finish time.
Illustratively, user is the 100th millisecond the corresponding current finish time when pressing piano key 18；Note 1 is right
The target finish time answered is 100 milliseconds.
In practical applications, for the ease of user's operation, target finish time can be the corresponding target knot of current note
The time range of preset duration after the preceding preset duration to target finish time at beam moment；For example, target finish time can
Think positive and negative 5 milliseconds of 100 milliseconds, 95-105 milliseconds；Or positive and negative 10 milliseconds, 90-110 milliseconds.
S1011：According to the difference between the current finish time and the target finish time, judge that the user is
It is no to discharge the current piano key in the target finish time；If so, executing S105；If it is not, executing S106.
Illustratively, according in S108 steps, user corresponding current finish time, note when discharging piano key 18
Whether the difference of 1 corresponding target finish time judges user in the current piano key of target finish time release.For example, working as
Preceding finish time is identical with target finish time, or current finish time in target finish time corresponding time range,
It is considered that current finish time is identical as target finish time, and then judge that user releases current steel in target finish time
Qin button.If user releases current piano key in target finish time, S105 steps are executed, if user is not in mesh
The current piano case of finish time release is marked, S106 steps are executed.
S105：It executes the display current note and plays correct information.
The step is identical as the S105 step contents in embodiment illustrated in fig. 1 of the present invention, and which is not described herein again.
S106：Execute the information that the display current note plays mistake.
The step is identical as the S106 step contents in embodiment illustrated in fig. 1 of the present invention, and which is not described herein again.
Using embodiment illustrated in fig. 3 of the present invention, it can be determined that whether user in target finish time releases current piano
Button.
Fig. 4 is the flow diagram for the error correction method that the 4th kind of note provided in an embodiment of the present invention is played；Such as Fig. 4 institutes
Show, embodiment illustrated in fig. 4 of the present invention is yes in the judging result of S104 steps on the basis of embodiment illustrated in fig. 1 of the present invention
In the case of, the method further includes：
S1012：It obtains the user to press corresponding current start time when the current button, the user discharges institute
State corresponding current finish time and the current note corresponding note duration information when current button.
Illustratively, the user of acquisition is the 100th millisecond the corresponding current start time when pressing piano key 18；With
Family corresponding current finish time when discharging piano key 18 is the 500th millisecond；1 corresponding target duration of note is 600 millis
Second.
S1013：According to the current start time and the current finish time, the quilt of the current piano key is calculated
The duration pressed.
Illustratively, according to user, when pressing piano key 18, corresponding current start time is the 100th millisecond；User
When discharging piano key 18, corresponding current finish time calculates the duration that current piano key is pressed for the 500th millisecond
It is 400 milliseconds.
S1014：According to the duration of the current piano key being pressed note duration corresponding with the current note
The difference of information, judges whether the user plays correctly the duration of the current note；If so, executing S105；If it is not, holding
Row S106.
In the duration and S1012 steps that are pressed according to the current piano key calculated in S1013 steps, with current note
The difference of corresponding duration, judges whether user is maintained at the state pressed by current piano key and has reached current note correspondence
Duration, if it is, can be determined that user to the duration of the current note play correctly, execute S105；If not, can be with
Judgement user plays mistake to the duration of current note, executes S106.
S105：It executes the display current note and plays correct information.
The step is identical as the S105 step contents in embodiment illustrated in fig. 1 of the present invention, and which is not described herein again.
S106：Execute the information that the display current note plays mistake.
The step is identical as the S106 step contents in embodiment illustrated in fig. 1 of the present invention, and which is not described herein again.
Using embodiment illustrated in fig. 4 of the present invention, it can be determined that whether user plays correctly for the duration of current note.
In a kind of specific implementation mode of the embodiment of the present invention, the method further includes：
For each note, according to the corresponding each corresponding weight of assessment item of the current note and the current sound
The scoring score value of symbol calculates the user and plays the corresponding scoring of the current note, wherein the assessment item includes：With
Whether the current piano key that family is pressed correct, user whether the targeted start times press the current piano by
Whether key, user in the target finish time discharge the duration of the current piano key and user to the current note
Whether play correct.
Illustratively, whether correct, user is described for the current piano key that user presses in assessment item
Targeted start times press the current piano key, user whether the target finish time discharge the current piano by
Key and user are 0.2,0.3,0.4,0.1 to whether the duration of the current note plays correct corresponding weight, and
The corresponding scoring score value of each note is 1, and the current piano key mistake that user presses, user does not press in targeted start times
Current piano key, user are target finish time discharges current piano key, user plays just the duration of current note down
Really, then the corresponding scoring of current note that user plays is 1*0+1*0+1*0.4+1*0.1=0.5.
According to the summation of the corresponding scoring of each note, calculates user and play the corresponding score of the song to be played.
Illustratively, song to be played has 8 notes, and the summation of the scoring of 8 notes is played as user and waits for bullet
Play the score of song.
Using the above embodiment of the present invention, the qualification that user plays song to be played can be quantified.
Fig. 5 is the flow diagram for the error correction method that the 5th kind of note provided in an embodiment of the present invention is played, such as Fig. 5 institutes
Show, embodiment illustrated in fig. 5 of the present invention increases S1015 on the basis of embodiment illustrated in fig. 1 of the present invention：According to user's bullet
Play correct note quantity and the song to be played in include note quantity ratio, calculate what the user played
The accuracy of note.
Illustratively, user's musical notes 1 be scored at 0.4, note 2 be scored at 0.4, note 3 be scored at 0.1,
Note 4, which is scored at 1, note 5 and is scored at 0.5, note 6 and is scored at 0.7, note 7 and is scored at 1, note 8, to be scored at
1；Then user plays song to be played and is scored at：
0.4+0.4+0.1+1+0.5+0.7+1+1=5.1.
Using embodiment illustrated in fig. 5 of the present invention, the qualification that user plays song to be played can be quantified.
Fig. 6 is the structural schematic diagram for the error correction device that the first note provided in an embodiment of the present invention is played, such as Fig. 6 institutes
Show, described device includes：First acquisition module 601, recovery module 602, the second acquisition module 603, the first judgment module 604,
First display module 605, the second display module 606 and setup module 607, wherein
First acquisition module 601, for obtaining the corresponding midi files of song to be played；
The recovery module 602, for using midi files described in midi protocol analysis, restoring the song to be played
Staff；
Second acquisition module 603, for for each note in the staff, obtaining user and playing current sound
The identification information for the current piano key pressed when symbol；
First judgment module 604 is used for the identification information according to the current piano key and the current note
Difference between the identification information of corresponding target piano key judges whether is the current piano key that the user presses
Correctly, wherein the target piano key is corresponding piano key when the current note is correctly played；
First display module 605, in the case of for being in the judging result of first judgment module 604,
Show that the current note plays correct information
Second display module 606 is used in the case where the judging result of first judgment module 601 is no,
Show that the current note plays the information of mistake；
The setup module 607 for setting next note of the current note to current note, and triggers second
Acquisition module.
Using embodiment illustrated in fig. 6 of the present invention, the current piano key that user presses is not correct target piano
When button, display note plays the information of mistake, and carry out error correction can be played to note.
Fig. 7 is the structural schematic diagram for the error correction device that second of note provided in an embodiment of the present invention is played, such as Fig. 7 institutes
Show, embodiment illustrated in fig. 7 of the present invention increases on the basis of embodiment illustrated in fig. 6 of the present invention：Third acquisition module 608 and
Two judgment modules 609, wherein
The third acquisition module 608, for obtaining corresponding current beginning when the user presses the current button
Moment and the corresponding targeted start times of the current note；
Second judgment module 609, for according between the current start time and the targeted start times
Difference, judges whether the user in the targeted start times presses the current piano key；
First display module 605 is additionally operable to the case where the judging result of second judgment module 609 is to be
Under, show that the current note plays correct information
Second display module 606 is additionally operable to the situation for being no in the judging result of second judgment module 609
Under, show that the current note plays the information of mistake.
Using embodiment illustrated in fig. 7 of the present invention, it can be determined that whether user in targeted start times presses current piano
Button.
Fig. 8 is the structural schematic diagram for the error correction device that the third note provided in an embodiment of the present invention is played, figure Fig. 8 institutes
Show, embodiment illustrated in fig. 8 of the present invention increases on the basis of embodiment illustrated in fig. 6 of the present invention：4th acquisition module, 6010 He
Third judgment module 6011, wherein
4th acquisition module 6010, it is corresponding when for obtaining user's release current button currently to terminate
Moment and the current note corresponding target finish time；
The third judgment module 6011, for according between the current finish time and the target finish time
Whether difference judges the user in the target finish time release current piano key；
First display module 605 is additionally operable to the case where the judging result of the third judgment module 6011 is to be
Under, show that the current note plays correct information
Second display module 606 is additionally operable to the situation for being no in the judging result of the third judgment module 6011
Under, show that the current note plays the information of mistake.
Using embodiment illustrated in fig. 8 of the present invention, it can be determined that whether user in target finish time releases current piano
Button.
Fig. 9 is the structural schematic diagram for the error correction device that the 4th kind of note provided in an embodiment of the present invention is played, such as Fig. 9 institutes
Show, embodiment illustrated in fig. 9 of the present invention increases on the basis of embodiment illustrated in fig. 6 of the present invention：5th acquisition module 6012, meter
Calculate module 6013, the 4th judgment module 6014, wherein
5th acquisition module 6012, for obtaining corresponding current beginning when the user presses the current button
Moment, corresponding current finish time and the current note corresponding note when the user discharges the current button
When value information；
The computing module 6013 calculates described current according to the current start time and the current finish time
The duration of piano key being pressed；
4th judgment module 6014, for according to the duration being pressed of the current piano key with it is described current
The difference of the corresponding note duration information of note, judges whether the user plays correctly the duration of the current note；
First display module 605 is additionally operable to the case where the judging result of the 4th judgment module 6014 is to be
Under, show that the current note plays correct information
Second display module 606 is additionally operable to the situation for being no in the judging result of the 4th judgment module 6014
Under, show that the current note plays the information of mistake.
Using embodiment illustrated in fig. 4 of the present invention, it can be determined that whether user plays correctly for the duration of current note.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of error correction method that note is played, which is characterized in that the method includes：
Obtain the corresponding midi files of song to be played；
Using midi files described in midi protocol analysis, the staff of the song to be played is restored；
For each note in the staff, the mark that user plays the current piano key pressed when current note is obtained
Information；
According to the identification information of the identification information of the current piano key and the corresponding target piano key of the current note
Between difference, judge whether the current piano key that the user presses correct, wherein the target piano key is
The current note corresponding piano key when correctly being played；
If so, showing that the current note plays correct information；
If it is not, showing that the current note plays the information of mistake；
Set next note of the current note to current note, and execute when the acquisition user plays current note by
Under current piano key identification information the step of.
2. the error correction method that a kind of note according to claim 1 is played, which is characterized in that judge the user described
The whether correct judging result of the current piano key pressed is in the case of being, the method further includes：
It obtains the user and presses corresponding current start time and the current note corresponding mesh when the current button
Mark start time；
According to the difference between the current start time and the targeted start times, judge the user whether in the mesh
Mark start time presses the current piano key；
If so, executing the display current note plays correct information；
If it is not, executing the information that the display current note plays mistake.
3. the error correction method that a kind of note according to claim 1 is played, which is characterized in that judge the user described
The whether correct judging result of the current piano key pressed is in the case of being, the method further includes：
Obtain corresponding current finish time and the current note corresponding mesh when the user discharges the current button
Mark finish time；
According to the difference between the current finish time and the target finish time, judge the user whether in the mesh
Mark the finish time release current piano key；
If so, executing the display current note plays correct information；
If it is not, executing the information that the display current note plays mistake.
4. the error correction method that a kind of note according to claim 1 is played, which is characterized in that judge the user described
The whether correct judging result of the current piano key pressed is in the case of being, the method further includes：
It obtains the user to press corresponding current start time when the current button, the user discharges the current button
When the corresponding current finish time and corresponding note duration information of the current note；
According to the current start time and the current finish time, calculate the current piano key be pressed when
It is long；
According to the difference of the duration of the current piano key being pressed note duration information corresponding with the current note,
Judge whether the user plays correctly the duration of the current note；
If so, executing the display current note plays correct information；
If it is not, executing the information that the display current note plays mistake.
5. according to a kind of error correction method that note is played of claim 1-4 any one of them, which is characterized in that the method is also
Including：
For each note, according to the corresponding each corresponding weight of assessment item of the current note and the current note
Score score value, calculates the user and plays the corresponding scoring of the current note, wherein the assessment item includes：User presses
Under whether the current piano key correct, user whether the targeted start times press the current piano key,
Whether user discharges the current piano key and user in the target finish time
It is no to play correctly；
According to the summation of the corresponding scoring of each note, calculates user and play the corresponding score of the song to be played.
6. the error correction method that a kind of note according to claim 1 is played, which is characterized in that the method further includes：Root
According to the user play correct note quantity and the song to be played in include note quantity ratio, calculate institute
State the accuracy for the note that user plays.
7. a kind of error correction device that note is played, which is characterized in that described device includes：First acquisition module, recovery module,
Two acquisition modules, the first judgment module, the first display module, the second display module and setup module, wherein
First acquisition module, for obtaining the corresponding midi files of song to be played；
The recovery module, for using midi files described in midi protocol analysis, restoring five lines of the song to be played
Spectrum；
Second acquisition module, for for each note in the staff, obtain when user plays current note by
Under current piano key identification information；
First judgment module, for the identification information and the corresponding mesh of the current note according to the current piano key
The difference between the identification information of piano key is marked, judges whether the current piano key that the user presses is correct,
In, the target piano key is corresponding piano key when the current note is correctly played；
First display module, in the case where the judging result of first judgment module is to be, working as described in display
Preceding note plays correct information
Second display module, in the case where the judging result of first judgment module is no, working as described in display
Preceding note plays the information of mistake；
The setup module for setting next note of the current note to current note, and triggers second and obtains mould
Block.
8. the error correction device that a kind of note according to claim 7 is played, which is characterized in that described device further includes：The
Three acquisition modules and the second judgment module, wherein
The third acquisition module, for obtaining corresponding current start time when the user presses the current button, with
And the corresponding targeted start times of the current note；
Second judgment module, for according to the difference between the current start time and the targeted start times, sentencing
Whether the user of breaking in the targeted start times presses the current piano key；
First display module is additionally operable in the case where the judging result of second judgment module is to be, described in display
Current note plays correct information
Second display module is additionally operable in the case where the judging result of second judgment module is no, described in display
Current note plays the information of mistake.
9. the error correction device that a kind of note according to claim 7 is played, which is characterized in that described device further includes：The
Four acquisition modules and third judgment module, wherein
4th acquisition module, corresponding current finish time when for obtaining user's release current button, with
And the current note corresponding target finish time；
The third judgment module, for according to the difference between the current finish time and the target finish time, sentencing
Whether the user of breaking is in the target finish time release current piano key；
First display module is additionally operable in the case where the judging result of the third judgment module is to be, described in display
Current note plays correct information
Second display module is additionally operable in the case where the judging result of the third judgment module is no, described in display
Current note plays the information of mistake.
10. the error correction device that a kind of note according to claim 1 is played, which is characterized in that described device further includes：The
Five acquisition modules, computing module, the 4th judgment module, wherein
5th acquisition module, for obtaining corresponding current start time, institute when the user presses the current button
State corresponding current finish time and the current note corresponding note duration letter when user discharges the current button
Breath；
The computing module calculates the current piano key according to the current start time and the current finish time
The duration being pressed；
4th judgment module, it is corresponding with the current note for the duration being pressed according to the current piano key
Note duration information difference, judge whether the user plays correctly the duration of the current note；
First display module is additionally operable in the case where the judging result of the 4th judgment module is to be, described in display
Current note plays correct information
Second display module is additionally operable in the case where the judging result of the 4th judgment module is no, described in display
Current note plays the information of mistake.
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