JP2003150155A - Device and method for practicing play, program and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique for enabling even a person who can not read a musical score to start the practice of a musical instrument and to play the musical instrument while reading a musical score finally. SOLUTION: This play practicing device has a storage means for storing play data and a display means for displaying note information containing notes to be played at present corresponding to the play data, scrolling and displaying note information containing the next notes when there is a play entry corresponding to the notes to be played at present.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to performance practice technology, and more particularly to technology for displaying note information.

[0002]

2. Description of the Related Art In order to allow people who cannot read music to start practicing, instead of using music, a computer or the like is used to synchronize icons and characters corresponding to musical notes with the reproduction of music. It is a well-known technique to display a pitch to be played by a practitioner and a pronunciation timing in a visually easy-to-understand manner by scrolling in accordance with the tempo of the model performance.

[0003]

However, in the case of this method, since the scroll is always performed at the tempo of automatic reproduction, the practitioner does not have a time margin to look away from the scroll display on the screen, and the practitioner is almost free of time. I was forced to operate the instrument operation part in a form similar to blind touch, which was very difficult for beginners. Moreover, when practicing keyboard instruments such as a piano, it was very difficult to catch up with the performance displayed on the screen and play it because there were many operation parts.

It is an object of the present invention to provide a technique for enabling a person who cannot read a musical score to start practicing an instrument, and finally to be able to play the musical instrument while reading the musical score.

[0005]

According to one aspect of the present invention, storage means for storing performance data, and note information including a note to be currently played according to the performance data are displayed and the current performance should be performed. A performance practice device having a display means for scrolling and displaying the note information including the next note when there is a performance input corresponding to the note is provided.

Instead of scrolling and displaying the note information in synchronization with the automatic performance, by scrolling so as to display the note information in the vicinity of the practitioner's performance input,
The practitioner can surely play each note at his own pace while comparing the note information with the performance operation section.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1A shows a display section of a performance practice device according to an embodiment of the present invention. For example, the performance practice device is configured by connecting a keyboard to a personal computer. The practitioner practices playing the keyboard while looking at the display of the personal computer.

The keyboard 101 is displayed on the lower end of the display unit, and the keyboard 103 is displayed on the upper end. Between the keyboards 101 and 103, score information (note information) 102 of a portion which can be overlooked in advance to a certain point (for example, a predetermined number of measures) from the score position at which the practitioner should play is displayed. Music score information 102
Indicates rectangles 113 and 114 whose width corresponds to the width of the keys of the keyboards 101 and 103 and whose height corresponds to the length of the note. The pitch of the score information 102 is shown corresponding to the keys of the keyboards 101 and 103. The musical score information 102 may be the notes themselves, icons or characters corresponding to the notes, or may be scrolled horizontally.

The score information near the keyboard 101 is the score information to be played at the earliest time, and the time axis is set in the upward direction. By changing the display according to the length of the note in this way, the timing of key depression and key release is notified in advance. Further, when there is an intro performance at the start of the performance of the music, the dotted line bar 111 is moved from top to bottom so as to reach the upper end reference position of the keyboard 101 at the key pressing timing. The key depression timing of is notified in advance.

When the practitioner (player) presses the key of the pitch "A" corresponding to the rectangle 113 of the note to be played at present, the screen scrolls downward, and the rectangle 114 of the note to be played next. Is displayed at the bottom. Only when the practitioner plays a key with the same pitch as a note, scroll to the next score position.
In this way, the screen scrolls in response to the practitioner's performance input, so that the score display can be advanced in accordance with the practitioner's practice tempo. As a result, the practitioner can practice while looking away from the scroll display on the screen and looking at the keyboard, without having to perform blind touch. In particular, when practicing a keyboard instrument such as a piano, the performance tends to be delayed because there are many operation parts, but the score display speed can be changed according to the performance input speed of the practitioner.

A rectangular area 11 for painting a key on the keyboard during key depression.
2, the key release timing is notified. Rectangular area 112
Displays a rectangle on the key of the corresponding keyboard so that the entire rectangle disappears at the key release timing, and gradually decreases the rectangle to notify the key release timing in advance. The fingering may be displayed at the same time.

The performance data includes, for example, melody part data and accompaniment part data. The score information 102 is
It is the musical score information of the melody part data. The practitioner can practice playing the melody part. The accompaniment part data is automatically played and sounded at the set tempo. The dotted line bar 111 indicates the performance progress position of the accompaniment part being played at the set tempo. That is, the dotted line bar 111 indicates the position of the note to be originally played at the set tempo.

As shown in FIG. 1 (B), when the key-delay timing of the set tempo is not in time, the dotted-line bar 121 moves upward from the upper end reference position of the keyboard 101 to be depressed. Fill the keys that are not yet filled with a different color.

The dotted line bar 121 indicates the timing of the note to be originally played at the set tempo. When the difference between the timing indicated by the dotted line bar 121 and the timing of the note to be currently played is farther than the threshold value, the scroll is rewound in order to trace back the performance progress and the previous note information is redisplayed, and the accompaniment part is displayed. The automatic performance of is also played back. That is, when the deviation between the automatic performance of the accompaniment part and the practitioner's melody performance input becomes large, playback is performed. At that time, it is desirable to display it in large characters so that the practitioner can be notified that the playback has been performed.

FIG. 2 is a block diagram showing the hardware structure of the performance practice device. The performance practice device may be configured by connecting MIDI devices 220 and 230.
It may be configured with only the DI device 220. That is, the electronic keyboard musical instrument 230 may be connected to the personal computer 220, or may be composed only of the electronic keyboard musical instrument 220.

First, a case where the performance practice device is constructed only by the electronic keyboard instrument 220 will be described. Bus 207 has a CP
U201, ROM202, RAM203, display device 20
4, external storage device 205, external input / output interface 206, key scan circuit 208, scan circuit 21
0, the tone generation unit 212 is connected.

The ROM 202 stores various processing procedure programs of the CPU 201 and performance data. The keyboard 209 has a plurality of white keys and black keys. The key scan circuit 208 outputs a note-on event or a note-off event to the CPU 201 according to a key depression operation or a key release operation on the keyboard 209. The input device 211 includes a switch and a corresponding light emitting diode. The scan circuit 210 outputs the operation information to the CPU 201 according to the switch operation on the input device 211. The display device performs the display shown in FIGS. 1 (A) and 1 (B).

The waveform ROM 213 stores a plurality of tone waveforms (tone color data). The tone generation unit 212 is the CPU 2
A tone parameter is input from 01, a tone waveform is read from the waveform ROM 213 to generate a tone signal, and the tone signal is output to the D / A converter 214. The tone parameters described above are used for the note-on event and the note-off event of the keyboard 209 and the input device 211 when the melody part is manually played.
Operation information and the like. The tone parameters above are
It is the automatic performance data in the ROM 202 during the automatic performance of the accompaniment part.

The D / A converter 214 converts the tone signal from digital format to analog format. The analog signal processing unit 215 performs processing for adjusting an analog tone signal, and outputs it to the amplifier 216. Amplifier 216
Amplifies the tone signal and outputs it to the speaker 217. A musical sound is produced from the speaker 217.

The ROM 202 stores automatic performance data (including melody part data and accompaniment part data) of a plurality of songs and a computer program. The user can select the automatic performance data of a desired song from the automatic performance data of a plurality of songs in the ROM 202. CP
The U 201 performs the processes of FIGS. 4 to 7 described later according to the computer program stored in the ROM 202. R
AM203 is a CPU such as a buffer, a flag, and a register
It has 201 work areas. The timer 218 is C
Supply time information to the PU 201. The CPU 201 performs timer interrupt processing according to the time information.

The external storage device 205 is a flexible disk or the like, and can store automatic performance data, computer programs and the like. The external input / output interface 206 is, for example, a MIDI (musical instrument di
It is possible to input / output performance data (MIDI data) to / from the outside.

Next, a case where the electronic keyboard musical instrument 230 is connected to the personal computer 220 will be described. Since the personal computer 220 does not have the keyboard 209, the keyboard 209 of the electronic keyboard musical instrument 230 is used. The electronic keyboard instrument 230 has the same configuration as the MIDI device 220. Electronic keyboard instrument 230 and personal computer 22
0s are connected to each other via the MIDI interface 206.

In the personal computer 220, the CP
External storage device (hard disk, etc.) 20 by U201
The computer program in the area 5 is read into the RAM 203. When the program is executed, the flowchart processes of FIGS. 4 to 7 described later are sequentially performed.
The input device 211 includes a keyboard and a mouse.

As shown in FIG. 3A, the practice data 3
01 includes performance data of a melody part and an accompaniment part, and is stored in the external storage device 205. Also, FIG.
As shown in (B), the reproduction data 3 is stored in the RAM 203.
11, recording data 313 and result data 312 are stored. The reproduction data 311 is the practice data 301 (see FIG. 3).
It is generated based on the melody part in (A)). Figure 1
The musical score information 102 of (A) and (B) is the reproduction data 311.
Is displayed based on. The recording data 313 is performance data recorded by the practitioner's keyboard operation. The grade data 312 is the reproduction data 311 and the recording data 313.
It is the result data comparing.

FIG. 3C shows the reproduction data 3 of FIG. 3B.
11, the recording data 313 and the result data 312 are shown. Each of the data 311 to 313 includes a note number (pitch) 321, a note-on time (key depression timing) 322, a note-off time (key release timing) 323, and a velocity (key depression) for each or some notes of the music. Speed) 32
Have 4. The reproduction data 311 and the recording data 313 have a value according to the MIDI data value, and the result data 312 have a score of 100 points, for example. The practice data 301 includes automatic reproduction data of all songs, score data, score data, recording data, and the like.

FIG. 4 is a flow chart showing the processing of the main routine of the performance practice device. In step S401, various initializations are performed. Next, in step S402,
According to the music selection by the practitioner, the practice data 301 of the selected music is read from the external storage device 205 into the RAM 202. Next, in steps S403 and S404,
Reproduction data (model performance data) 311 and empty score data 312 corresponding thereto are generated from the practice data 301 according to the content of the practice. Next, in step S405, the reproduction flag is turned on.

Next, if the practice start switch is pressed or clicked with the mouse in step S406, step S40
At 7, various interrupt processes are performed. The interrupt processing includes a musical sound generation interrupt processing (FIG. 5), a performance input interrupt processing (FIG. 6), and a screen display interrupt processing (FIG. 7).

Specifically, the musical sound generating section 212 automatically plays the accompaniment part of the music in accordance with the reproduction data 311. At the same time, the display device 205 displays the practice method (pitch, sounding timing, etc.) of the musical piece to the practitioner in real time to notify the practitioner. Further, the information that the practitioner has performed by relying on the display is taken into the personal computer and written in the RAM 203 as the recording data 313. The recorded data 313 and the reproduced data 311 are compared and evaluated in real time, and written as result data 312 in the RAM 203.

In step S408, it is checked whether the reproduction flag is on. If it is on, step S407
And the process is repeated, and if it is off, step S40.
Proceed to 9.

In step S409, the result data 312
The grade determination process is performed in accordance with. Next, step S410.
Then, the pass / fail judgment is made according to the grade. If it passes, the process is ended, and if it fails, the process proceeds to step S411.
In step S411, the difficulty level is changed, and in step S4
Return to 03. The difficulty level is changed, for example, by changing the tempo of the accompaniment part.

FIG. 5 is a flow chart showing the details of the interrupt processing for musical tone reproduction in step S407 of FIG.
This interrupt process is a timer interrupt process.

In step S501, it is checked whether the time difference between the reproduction position and the result position is within the specified range. Here, the reproduction position is the current position of the score automatically reproduced by the reproduction unit (musical sound generation unit 212), and the performance position is the current position of the score played by the trainee. That is, it is checked whether the time difference between the automatic reproduction position of the accompaniment part and the performance position of the practitioner's melody part is within the specified range.
If it is within the specified range, the process proceeds to step S504, and if it is not within the specified range, the process proceeds to step S502.

In step S502, the playback position is returned to a predetermined position for playback. Specifically, the pointer positions of the melody part (playback data 311) and the accompaniment part are returned to predetermined positions. In step S503, the grade position is returned to the predetermined position. That is, the pointer position of the result data 312 is returned to the predetermined position. At this time, the playback position is preferably the start position of the bar which is the break of the performance so that the performance is easy.

Next, in step S504, the note event data at the reproduction position of the accompaniment part data is read.
Next, in step S505, it is checked whether or not it is a note event within the reproduction elapsed time. That is, it is checked whether or not the read accompaniment part data has reached the note-on timing. If the note-on timing has been reached, the process proceeds to step S506, and if the note-on timing has not been reached, the process proceeds to step S508.

In step S506, the musical tone parameter corresponding to the note event is output to the reproducing unit (musical tone generating unit 212), and the reproducing unit performs sound generation processing. Next, step S50.
In step 7, the pointers of the reproduction positions of all parts are advanced.
Then, it returns to step S504 and repeats a process.

In step S508, it is checked whether the read data is end data. If it is end data, the process proceeds to step S509, and if it is not end data, the process ends. In step S509, the reproduction flag is turned off, and the process ends.

FIG. 6 is a flow chart showing details of the performance input interrupt processing in step S407 of FIG.
This interrupt process is an interrupt process performed every time the practitioner operates the keyboard.

In step S601, it is checked whether the performance input is note-on. That is, it is checked whether the practitioner's keyboard operation is a key depression operation. If it is a key pressing operation, the process proceeds to step S602, and if it is not the key pressing operation, the process proceeds to step S605.

In step S602, it is checked whether the grade position is note-on. That is, it is checked whether or not the reproduction data of the melody part indicates note-on. If note-on is instructed, step S60
3, the process proceeds to step S605 if not instructed.

In step S603, it is checked whether or not the pitch (pitch) pressed by the practitioner matches the pitch at the grade position. That is, it is checked whether the key-depressed pitch and the pitch of the reproduction data match. If they match, the process proceeds to step S604, and if they do not match, the process proceeds to step S605.

In step S604, the note number, the note-on timing and the velocity of the depressed key are recorded as recorded data. Then, the recorded data and the reproduced data are compared and the result is written in the result data. The velocity follows, for example, a dynamic mark on the score.

Next, in step S605, it is checked whether the performance input is note-off. That is, it is checked whether the practitioner's keyboard operation is a key release operation. If it is a key release operation, the process proceeds to step S606, and if it is not a key release operation, the process ends.

In step S606, it is checked whether or not the grade position is note off. That is, it is checked whether or not the reproduction data of the melody part indicates note-off. If note-off is instructed, step S60
7, the process ends if not instructed.

In step S607, it is checked whether the pitch pressed by the practitioner matches the pitch at the grade position. That is, it is checked whether or not the key-released pitch and the pitch of the reproduction data match. If they match, the process proceeds to step S608, and if they do not match, the process ends.

In step S608, the note-off timing at which the practitioner releases the key is recorded as recorded data. Then, the note-off timing is compared with the reproduction data, and the result is written in the result data. Next, step S
At 609, the pointer of the grade position is advanced to the next, and the process ends.

FIG. 7 is a flow chart showing the details of the screen display interrupt processing in step S407 of FIG.
This interrupt process is a timer interrupt process.

In step S701, the pointer of the result position is set to the read position. Next, step S702.
Then, the note event data of the reproduction data corresponding to the result data is read.

Next, in step S703, as shown in FIG.
It is checked whether or not the note event data is within the screen display range of (A) and (B). If it is within the display range, the process proceeds to step S704, and if it is not within the display range, step S70.
Proceed to 9.

In step S704, it is checked whether the note-on timing is before the reproduction elapsed time. If it is before, the process proceeds to step S705, and if it is not before, the process proceeds to step S706.

In step S705, note information is displayed. For example, the rectangle 113 or the like in FIG. 1A is displayed. Then, it progresses to step S708.

In step S706, a display for notifying the key release timing is displayed. For example, the filled area 112 in FIG. 1A is displayed. Next, in step S707, the key number corresponding to the note-on, the note-on timing, and the velocity result are displayed. The result at the note-off timing may be displayed. Then, step S7
Go to 08.

In step S708, the read pointer for the result position is moved to the next step, and then the process returns to step S702.

In step S709, a display for notifying the key depression timing is displayed. For example, the key depression timing is when the dotted line bar 111 in FIG. 1A is moved from top to bottom to reach the upper end reference position of the keyboard 101.

Next, in step S710, as shown in FIG.
The keyboards 101 and 103 are displayed, and fingering is displayed on the keyboard 101. Then, the process ends.

As described above, according to the present embodiment, the display section displays the note information together with the note information so that it can be visually recognized whether or not the player has correctly played according to the result data. For example, M
In the case of an IDI keyboard instrument, only when the practitioner plays the pitch that should be played at the earliest time while seeing the score information display (when the key is pressed or released), the display section displays this score information next Scroll to the note position. When the deviation between the current position of the score played by the practitioner (the score position) and the current position of the score automatically played by the playback unit (the playback position) exceeds a predetermined value, the practitioner plays the playback position. Playback is continued continuously by returning to the grade position where it is or before. At this time, the practitioner may judge that he / she cannot keep up with the automatic reproduction, and may slow down the tempo of the automatic reproduction. In this way, the tempo will be slowed down each time the automatic performance plays back, and conversely, if the practitioner can play in time for automatic playback, the tempo will be gradually increased, eventually playing at the original tempo of the song. You may do it.

When scrolling and displaying the score information (music score display, characters, etc.) corresponding to the reproduction of the music,
Instead of scrolling in sync with the automatic playback, the practitioner constantly scrolls to display the musical score information near where the practitioner is playing, allowing the practitioner to compare the musical score information with the instrument control section at his own pace. You can play each note reliably. Furthermore, by being aware of the delay from the model tempo, the practitioner can recognize his or her improvement level.

This embodiment can be realized by a computer executing a program. Also,
Means for supplying the program to the computer, for example, a recording medium such as a CD-ROM storing the program or a transmission medium such as the Internet for transmitting the program can be applied as the embodiment of the present invention. The above program, recording medium, and transmission medium are included in the scope of the present invention. As the recording medium, for example, a flexible disk, a hard disk, an optical disk, a magneto-optical disk, a CD-ROM, a magnetic tape, a non-volatile memory card, a ROM or the like can be used.

It should be noted that each of the above-mentioned embodiments is merely an example of the embodiment for carrying out the present invention.
The technical scope of the present invention should not be limitedly interpreted by these. That is, the present invention can be implemented in various forms without departing from its technical idea or its main features.

[0059]

As described above, not by scrolling and displaying the note information in synchronization with the automatic performance, but by scrolling so as to display the note information in the vicinity of the practitioner's performance input. , The practitioner can surely play each note at his own pace while comparing the note information with the performance operation section.

[Brief description of drawings]

1A and 1B are views showing display screens of a performance practice apparatus according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a hardware configuration of a performance practice device.

3A to 3C are diagrams showing practice data, reproduction data, recording data, and result data.

FIG. 4 is a flowchart showing a process of a main routine of the performance practice device.

FIG. 5 is a flowchart showing details of interrupt processing for musical sound reproduction.

FIG. 6 is a flowchart showing details of performance input interrupt processing.

FIG. 7 is a flowchart showing details of interrupt processing for screen display.

[Explanation of symbols]

201 CPU 202 ROM 203 RAM 204 display device 205 external storage device 206 External I / O interface 207 bus 208 key scan circuit 209 keyboard 210 scan circuit 211 Input device 212 Music Generator 213 waveform ROM 214 D / A converter 215 Analog signal processor 216 amplifier 217 speaker 218 timer 220,230 MIDI device

Claims (15)

[Claims] 1. Storage means for storing performance data, and note information including a note to be currently played is displayed in accordance with the performance data, and when there is a performance input corresponding to the note to be currently played, A performance practice device having display means for scrolling and displaying note information including notes. 2. The performance practice device according to claim 1, wherein the display means displays a position of a note to be originally played at a set tempo. 3. The performance data includes first and second performance part data, and further comprises sounding means for performing sounding processing at a set tempo according to the second performance part data, The display means displays the note information in accordance with the first performance part data, and displays a performance progress position at the set tempo in association with the note information.
The performance practice device described. 4. The display means, when the difference between the timing of a note originally to be played at the set tempo and the timing of a note currently to be played is greater than a threshold value,
3. The performance practice device according to claim 2, wherein the scroll is rewound in order to trace the performance progress and the previous note information is displayed again. 5. The performance practice apparatus according to claim 2, wherein the note information includes note-on timing, note-off timing, and pitch. 6. The performance practice device according to claim 2, wherein the display means displays a keyboard for indicating a pitch of the note information. 7. The performance practice apparatus according to claim 2, wherein the display means notifies the note-on timing by moving the pointer display to the reference position. 8. The performance practice apparatus according to claim 6, wherein the display means notifies the note-off timing based on whether or not the keys on the keyboard are filled. 9. The performance practice apparatus according to claim 1, further comprising a performance data generating means for generating performance data by comparing the performance data and performance input corresponding thereto. 10. The performance practice apparatus according to claim 9, wherein the grade data generation means generates grade data based on pitch, note-on timing, note-off timing and / or velocity. 11. The performance practice apparatus according to claim 10, wherein the display means displays the score data. 12. The display means sets the tempo slower when a difference between a timing of a note to be originally played at the set tempo and a timing of a note to be currently played is greater than a threshold value. 5. The performance practicing apparatus according to claim 4, wherein scrolling is rewound to retrace the performance progress and the previous note information is displayed again. 13. When there is a display step for displaying note information including a note to be currently played according to performance data and a performance input corresponding to a note to be currently played, the note information including the next note is scrolled. And a method of practicing playing having scroll steps for displaying. 14. A display procedure for displaying note information including a note to be currently played according to performance data and a performance input corresponding to a note to be currently played, scrolling note information including a next note. A program that causes a computer to perform scrolling procedures and displays. 15. When there is a display procedure for displaying note information including a note to be currently played according to performance data and a performance input corresponding to a note to be currently played, the note information including the next note is scrolled. A computer-readable recording medium having recorded therein a program for causing a computer to execute a scrolling procedure to be displayed.