JP2000132163A - Musical performance support device, musical performance support method, and recording medium having recorded musical performance support program thereon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a player easy to grasp the following playing operation. SOLUTION: The previous display LED of a key situated in the middle between a key for which a depressing instruction was performed just before and a key to which the depressing instruction is to be performed next, thereby, a performer is instructed for the following depressing direction. Therefore, the direction of the key to be depressed and this key can be easily grasped. Since the previous display LED 202 is successively lighted according to the time obtained by dividing the time from the depressing timing just before and the timing to be depressed next by the space between the keys, a player can also grasp the musical interval between the key depressed just before and the key to be depressed next.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a performance support device for presenting a performance operation of a keyboard instrument, a performance support method, and a recording medium storing a performance support program.

[0002]

2. Description of the Related Art Conventionally, a device for supporting the performance of a keyboard instrument has been known. For example, a key press instruction lamp is provided on the keyboard or in the vicinity of the keyboard, and the lamp corresponding to the key to be pressed is turned on to instruct the player to press the key. Further, in such a performance support apparatus, there is also known a performance support apparatus in which a key to be pressed next is notified in advance. For example, besides the key-pressing lamp, a warning-display lamp is provided, and the lamp for the key-instruction is turned on before the lamp for instructing the key-on. The key is announced in advance.

[0003]

However, with the above-described key pressing instruction, it is difficult to determine whether the next key to be pressed is a high key or a low key. If only the key press instruction lamp is used, the next key cannot be grasped until the key press timing arrives, and even if the warning display lamp is used, the direction of the key to be pressed next is grasped. I can't. Therefore, the performance support apparatus is not always easy for the player to grasp the next performance operation.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and provides a performance support device, a performance support method, and a recording medium on which a performance support program is easily recorded for a player to easily understand the next performance operation. It is intended to provide.

[0005]

According to a first aspect of the present invention, there is provided a performance support apparatus for instructing a key depression position of a keyboard instrument, in which a performance operation of the keyboard instrument is instructed. Storage means for storing performance information; display means having a plurality of display elements corresponding to the respective keys of the keyboard instrument; and In the time up to the time at which the key should be pressed, the display mode of the intermediate display body, which is the display body corresponding to a key located in the middle between the key for which the key was previously pressed and the key to be pressed next, Display control means for sequentially changing from the key for which the key is pressed immediately before to the key for which the key is pressed next. According to a second aspect of the present invention, in the performance support apparatus according to the first aspect, the display means includes a key press instruction display means for instructing a key press corresponding to the performance operation, and a key press instruction to be pressed next. Notice display means for giving notice of a key, wherein the display control means changes a display mode of the intermediate display body on the notice display means. According to a third aspect of the present invention, in the performance assisting apparatus according to the first aspect, the display control means corresponds to a time from a time at which a key is instructed immediately before to a time at which a key is instructed next. A value obtained by dividing a value corresponding to a distance between a pitch corresponding to a key for which a key is previously instructed to be pressed and a pitch corresponding to a key for which a key is to be instructed next, based on the display of the intermediate display means. It is characterized in that the time for sequentially changing the mode is controlled. According to a fourth aspect of the present invention, there is provided a performance support method for indicating a key depression position of a keyboard instrument by a display unit having a display body having a plurality of display modes corresponding to each key of the keyboard instrument. A performance information storing step of storing performance information for instructing a performance operation of the keyboard instrument; and, based on the performance information, a time from a time immediately preceding a key press instruction to a time when a next key press instruction is to be performed. The display mode of the intermediate display, which is the display corresponding to the key located between the key for which the key has been pressed and the key to be pressed next, is changed from the key for which the key was pressed immediately before to the next key. And a display control step of sequentially changing the key toward the key to be instructed. According to a fifth aspect of the present invention, a performance support program for indicating a key depression position of a keyboard instrument by a display unit having a display body having a plurality of display modes corresponding to each key of the keyboard instrument is recorded. A recording medium for storing performance information for storing performance information indicating a performance operation of the keyboard instrument; and At the time, the display mode of the intermediate display, which is the display corresponding to the key located between the key for which the key is pressed immediately before and the key for which the key is to be pressed next, is changed from the key for which the key was pressed for the last time. Next, a display control step of sequentially changing the key toward a key to be pressed is provided.

[0006]

Embodiments of the present invention will be described below with reference to the drawings.

[0007] 1. 1. Configuration of Embodiment (1) External Configuration FIG. 1 is a diagram illustrating an external configuration of an embodiment. In the present embodiment, the light emitting device 2 is controlled based on the control of the controller 100.
By changing the light emission mode (lighting and extinguishing) of the LED (Light Emitting Diode) provided at 00,
The support for playing the piano 300 is provided.
The controller 100 reads performance data recorded on a floppy disk, and controls the light emitting device 200 based on performance information specified by the performance data. The specific configuration of the controller 100 will be described later. The light emitting device 200 can be appropriately installed on the keyboard of the piano 300.
This is to notify and instruct the player on the key to be pressed by turning on the LED located on each key.

FIG. 2 shows the structure of the light emitting device 200. FIG. 2A shows the front of the light emitting device 200, and FIG. 2B shows the side. As shown in FIG.
The light emitting device 200 includes a key press instruction LED corresponding to each of the keys of the piano 300 (88 keys including a white key and a black key).
A key 201 and a notice LED 202 are provided, and are configured in a comb shape that can be installed on each key. FIG. 3 is a diagram showing a case where the light emitting device 200 is installed on a keyboard of a piano 300, and a hatched portion in the drawing indicates that the piano 3
The 00 key surface is shown. As shown in the figure, the light emitting device 200 is configured to be installed in a portion of the keyboard where the player's finger does not touch, and the player can press a key press instruction LED 201 and a notice display LED 202 arranged on each key.
, The key to be pressed next is notified. Key press instruction LED 201 and notice display L
The ED 202 is installed on the thin plate 203 and the thin plate 2
03 and a connector 204 are connected to the board 205, and are turned on or off based on a control signal transmitted from the controller 100. Also, a key press instruction LED 201 and a notice display LED 202
Are covered with a transparent resin 206, so that turning on and off of each can be checked from the outside.

(2) Electrical Configuration Next, the electrical configuration of the present embodiment will be described with reference to the block diagram shown in FIG. As shown in FIG.
The controller 100 includes a CPU 101, a timer 102,
It comprises a program memory 103, a working memory 104, a performance data memory 105, a floppy disk drive (FDD) interface 106, a floppy disk drive (FDD) 107, a switch group 108, and a light emitting device interface 109. The CPU 101 controls each unit connected via the bus according to a control program. Timer 102 is
An interrupt is issued at a predetermined time interval set by the CPU 101. The program memory 103 is a memory for storing a control program for controlling the operation of the controller 100, and the working memory 104 is for securing various areas such as various registers, flags, and buffers. The performance data memory 105 is a memory for storing performance data read from a floppy disk. The FDD interface 106 is the FDD1
FDD 107 is an apparatus for reading performance data recorded on the inserted floppy disk. A switch group 108 includes switches for performing various settings and start / stop of performance support.
A switch for instructing stop, a switch for instructing loading of performance data, and the like are provided. The light emitting device interface 109 performs an interface operation with the light emitting device 200. With such a configuration,
The CPU 101 controls each key press instruction L in the light emitting device 200.
Lighting and extinguishing of the ED 201 and the notice display LED 202 can be controlled based on the performance data.

FIG. 5 is a diagram exemplifying the contents of performance data stored in a performance data memory. In the present embodiment, the performance data is MIDI (Musical Instrume).
nt Digital Interface). The performance information in the MIDI standard includes MIDI data (duration data) relating to the timing at which each key is pressed, and MIDI data (event data) indicating a key press or key release as a performance operation. The event data includes data indicating whether a performance operation is a key press (note on) or key release (note off), data specifying a key to be pressed (note number), and data indicating a key press intensity ( Velocity). As illustrated in FIG. 5, the above-described MIDI data is stored in the performance data memory 105 starting from a predetermined address. Then, as shown in FIG. 5, when the data type of the MIDI data is duration, a duration time, which is a relative time between events, is stored following the data type. In the present embodiment, the duration time is represented by the number of clocks at which the timer 102 interrupts. Usually, in the MIDI standard, 4
MID with 24 clocks per minute note
An I timing clock is used. Since the time of one quarter note is determined by the tempo, the absolute time between events changes according to the set tempo. For example, the CPU 101 sets the number of interrupt clocks of the timer 102 to the MIDI timing clock (24 clocks per quarter note), and the tempo = 60 (one quarter note corresponds to one quarter note).
(60 times per minute = once per second), the time interval per clock is 1/24 second. If the duration time is 100, the time interval between events is 1
00 clocks, and in this case,
100 × (1/24) = 100/24 seconds. The tempo may be stored at the beginning of the performance data, or may be set by a switch.

On the other hand, when the data type of the MIDI data is an event, note-on or note-off, note number, and velocity are stored following the data type. The note number is a numerical value representing the pitch, and in the case of a piano, a numerical value from 0 to 127 is assigned in semitone steps with the central scale "do" (note name: C) being 60. Since the key to be pressed in playing the piano is uniquely determined from the pitch, the controller 100 can specify the key to be pressed by referring to the note number.

2. Operation of Embodiment Next, the operation of the embodiment having the above configuration will be described with reference to the flowcharts shown in FIGS. In the present embodiment, the key pressing instruction is performed by turning on the key pressing instruction LED 201 corresponding to the note number of the note-on message at the timing of executing the note-on event data of the performance data. Further, the advance notice is displayed by turning on the key pressing instruction LED 201.
Notice LED2 corresponding to the key to be pressed before the clock
02 is turned on. The direction indication of the next key press is made by the advance notice LED2 of the key located in the middle between the key for which the key press instruction was given immediately before and the key for which the next key press instruction is to be given.
02 is sequentially turned on. Hereinafter, a specific example in which a performance instruction is performed based on the performance data illustrated in FIG. 5 will be described with reference to a time chart illustrated in FIG. 11 and a display example illustrated in FIG. In FIGS. 11 and 12, the keys of the piano are note names (C, C #, D, E, F, F #, G, G #, A, A #,
B), the key pressing instruction LED 201 and the notice display LED 202 corresponding to each key are specified by adding a note name after the code (201C, 201C #, etc.).

First, the processing in the main routine will be described with reference to FIG. Controller 100
When the power is turned on, the CPU 101 first performs an initial setting process (S101). In the initialization processing, various registers and flags set in the working memory 104 are initialized. Here, the working memory 10
The register and flag set to 4 will be described.

In the working memory 104, a flag BF for determining whether or not to perform a performance instruction operation is set. The flag BF becomes 1 when the start switch in the switch group 108 is turned on. And
It is reset when the stop switch is turned on or when MIDI data whose data type is end is read.

Next, various registers will be described. The register has a register D for counting elapsed time.
1, D2 and D3, registers AD1 and AD2 for storing addresses, and a register H for specifying the next key pressing direction. Register D1 has next notice LED2
02 is set to the time when lighting is performed, and register D
2 is set to the time until the next key press instruction LED 201 is turned on or off, and the register D3 is set to the next key press instruction key and the next key press instruction when giving the next key press direction instruction. The time for sequentially turning on the notice display LED 202 corresponding to the key located in the middle of the key instructing the key is set. The register AD1 is set with the address of the performance data to be read when the notice LED 202 is turned on, and the register AD2 is set with the address of the performance data to be read when the key press instruction LED 201 is turned on or off. You. In the register H, a note number corresponding to the notice display LED 202 illuminated for the next key pressing direction instruction display is set.

When these values are all reset to predetermined values in the initialization process, the CPU 101 performs a panel process (S102). In the panel processing, the state of various switches in the switch group 108 is detected, and processing for setting various registers and flags corresponding to the states specified by the switches is performed. For example, when the start switch is on, the flag BF =
Let it be 1. When the panel processing is completed, the CPU 1
In step 01, after performing other processing (S103), the processing shifts to step S102, and panel processing is performed again (S102). As other processing, for example, when it is detected that the start switch has been turned on from the off state in the panel processing in step S102,
The process corresponds to a process of loading performance data from a floppy disk into the performance data memory 105 and setting the various registers described above in accordance with the performance data. In the case of the performance data illustrated in FIG. 5, the duration time until the first note-on event (address 2) is 100, and the notice display is started 50 clocks before the key press instruction is issued.
The register D1 indicating the time until the notice display is started contains 100-50 in the register D1 until the key depression instruction is started.
2 is “100”, and “2” is stored in the register AD1 indicating the address where the performance data for performing the advance notice display is stored.
However, "2" is set in the register AD2 indicating the address at which the performance data for performing the key press instruction is stored (see FIG. 11: t1). Such a step S
The circulation processing of step 102 and step S103 is repeated until the power supply of the controller 100 is shut off.

The CPU 101 has a timer 102
The interrupt processing routine shown in FIG. When the interrupt processing routine is started, the CPU
The CPU 101 first determines whether or not the flag BF = 1 (S201). The flag BF is a flag that is set to “1” when the start switch is on in the panel processing of the main routine (S102 in FIG. 6) as described above. Therefore, in the determination of step S201,
If it is determined that BF ≠ 1 (S201; NO), the subsequent processing (S202 to S209) is not performed, and the processing returns to the main routine. On the other hand, if it is determined in step S201 that BF = 1, (S20
2; YES), the process proceeds to a process for performance support (S2).
02 to S209). When the process shifts to the process for performance support, the CPU 101 first decrements the values of the registers D1, D2, and D3 by one (S202). As described above, the time until the next notice LED 202 is turned on is set in the register D1, the time until the next key press instruction LED 201 is turned on or off is set in the register D2, In the register D3, a display time when the direction of the next key press is indicated is set. By decrementing the value of each register by 1, the value of each register decreases by 1 every time one clock elapses. If the value of each register is "0", the value is set in the register. It can be determined that the time has elapsed, that is, the timing for performing the processing (D1: notice display processing, D2: key press instruction processing, D3: next key direction instruction display processing) corresponding to the time set in each register. It has become.

When the values of the various registers are decremented by one, the CPU 101 next determines whether or not the register D1 = 0 (S203). If it is determined that D1 = 0, that is, it is time to give a notice display. Is (S20
3; YES), perform a process for displaying a notice (S20)
4). FIG. 8 is a flowchart showing a subroutine of the notice display processing. First, the CPU 101 first sets the MID corresponding to the address set in the register AD1.
I data is read from the performance data memory 105 (S3
01). Then, a control signal for turning on the notice display LED 202 specified by the note number in the read MIDI data is output to the light emitting device 200 (S
302). Then, the address at which the performance data to be displayed next (= the next note-on event) is set in the register AD1 (S303), and the process returns to the interrupt process. For example, at t1 in FIG. 11, since D1 = 0 in the determination in step S203 (FIG. 7), the process proceeds to the notice display process (FIG. 8). Where AD
Since 1 = 2, the MIDI data (note-on event, note number = 62) at address 2 in the performance data memory 105 (FIG. 5) is read. MIDI read out
Since the note number in the data is 62, the notice display LED 202 corresponding to the note number is specified as the notice display LED 202D as shown in FIG. Then, after outputting the instruction signal to the light emitting device 200, the address 6 where the MIDI data to be displayed next in advance is stored.
Is set in the register AD1.

The description returns to the interrupt processing (FIG. 7). When it is determined that D1 ≠ 0 in the determination of step S203 (S203; NO), or a notice display process (S20)
After completing step 4), the CPU 101 determines whether D2 = 0 (S205). If it is determined that D2 = 0 (S205; YES), it is possible to determine that it is time to give a key-depression instruction, so the key-depression instruction processing (S2
06). Here, FIG. 9 is a flowchart showing a subroutine of the key pressing instruction process.

In the key depression instruction processing, first, the notice indicator LED 202 which is already lit is turned off (S40).
1) The time until the next notice is displayed is set in the register D1 (S402). Here, the time until the next notice display is started is calculated based on the duration time until the next note-on event. More specifically, if the key press instruction processing based on the first note-on event (address 2) is being performed, it is understood that the next note-on event is stored at address 6. The duration time from the note-on event at address 2 to the note-on event at address 6 is 200 + 30
Since 0 = 500 clocks (addresses 3 and 5) and the notice display is 50 clocks of the key press instruction, the time until the next notice display is disclosed is 500-50 = 450 clocks. Therefore, as shown at t2 in FIG. 11, 450 is set in the register D1. Next, after setting the time until the notice display is started, the CPU 101 reads the MIDI data corresponding to the address indicated by the register AD2 from the performance data memory (S403), and determines whether the read MIDI data is a note-on event. Is determined (S404).

When it is determined that the read MIDI data is a note-on event (S404; YES),
The key-instruction instruction LED 201 is specified based on the note number in the MIDI data, and the lighting instruction signal is transmitted to the light emitting device 200.
(S405). On the other hand, if it is determined in step S404 that the read MIDI data is not a note-on event (S404; NO),
The key press instruction LED 201 is specified based on the note number in the MIDI data, and the light-off instruction signal is transmitted to the light emitting device 200.
(S406).

Then, step S405 or S40
After completing step 6, the time until the next key press instruction is started is set in the register D2 (S407), and the process returns to the interrupt process (FIG. 7). Here, the time until the next key press instruction is started is specified by the duration data following the MIDI data read in step S403. For example, in the case of the key pressing instruction process at t2 in FIG. 11, the MIDI readout in step S403
Since the address of the data is AD2 = 2, the duration data of the next address 3 has the duration time = 200. Therefore, "200" is set in the register D2 as a time until the next key press instruction processing is started.

When the key pressing instruction process (FIG. 7: S206, FIG. 9) is completed, the CPU 101 performs a preparation process for performing a display indicating the next key pressing direction (S207). Here, in order to indicate the next key pressing direction, a notice display LED 202
Is set in the register D3. In this embodiment, the direction of the next key press is determined by sequentially lighting the notice display LED 202 corresponding to the key located between the key for which the key press instruction was performed immediately before and the key for which the next key press instruction is to be performed. This is because an instruction is given. Along with the setting of the time in the register D3, a process of setting the note number corresponding to the key pressing instruction LED 201 which has performed the key pressing instruction in step S206 in the register H is performed. This is because, in order to instruct the next key pressing direction, the notice indicator LED 202 located in the middle is sequentially turned on from the key for which key pressing was instructed immediately before to the key to which key pressing is to be instructed next.

Here, as the next key pressing direction instruction display, a time until the next notice display LED 202 starts lighting will be described. As described above, the advance notice is displayed by turning on the advance notice LED 202 on the key 50 clocks before the timing at which the next key press instruction is issued. FIG.
In the example, the timing at which the next key press instruction is issued is t9, and the timing 50 clocks before t9 is t8. Therefore, the next notice display must be performed at t8. Here, since the key for which the next key press instruction is to be given is the note number 67 (G), the notice display LED 202
G must be turned on. Therefore, as the next key pressing direction instruction display, the key located in the middle between the key (note number 62 (D)) immediately preceding the key pressing instruction and the key (note number 67 (G)) for the next key pressing instruction is given. Notice LED corresponding to (note number 63-66 (D # -F #))
202 is changed from the timing (t2) at which the key is depressed immediately before to the timing (t8) at which the next notice display is started (t8).
At -t2), the lights are sequentially turned on.

Here, during the period from t8 to t2, if the notice display LED 202 corresponding to the key located in the middle is sequentially turned on for an equal time, the player can determine the direction of the key to be pressed next and the pitch. The gap can be grasped. That is, if each of the notice display LEDs 202 is sequentially turned on in a short time, the number of keys located between the key pressed immediately before and the key pressed next is large, so that it can be seen that there is a gap in the pitch. As a specific process, the time (T) until the next notice display is started, the time from the timing of the immediately preceding key press instruction to the timing of the next key press instruction, and the advance notice display prior to the key press instruction are displayed. It is calculated from the time taken. Further, the number (N) indicating the distance between the key for which the key is pressed immediately before and the key for which the key is to be pressed next is determined by the note number of the MIDI data referred to immediately before and the note number of the MIDI data to be pressed next. Is calculated from Then, T / N is executed, and the time until the lighting of the notice display LED 202 for the next key press instruction display is started is calculated.

In the example of the performance data shown in FIGS. 5 and 11, the time from the key press instruction at t2 to the start of the key press instruction is the duration time 200 + 300 =
500 (addresses 3, 5). Since the notice display is started 50 clocks before the key pressing instruction is started, the time until the next notice display is started is T = 500−50 = 450 clocks. Also, at time t2, the note number instructed to depress the key is 62, and the note number to be depressed next is 67, so N = 67−62 = 5. Therefore, there is a gap of five key pitches between the key for which the key is pressed immediately before and the key for which the key is to be pressed next. Therefore, T / N = 450/5 = 90, and the time interval for turning on each of the notice display LEDs 202 for the next key pressing direction instruction is calculated to be 90 clocks, and "90" is set in the register D3. Is done.

When it is determined in step S205 shown in FIG. 7 that D2 ≠ 0, that is, it is not the timing for performing the key press instruction process (S205; N).
O) Or, the next key press information instruction preparation process (S207)
Is completed, the CPU 101 next determines whether or not D3 = 0, that is, it is time to perform the next key press direction instruction display process (S208). Here, if it is determined that D3 ≠ 0 (S208; NO), it is not the timing to perform the next key pressing direction instruction display processing, and the processing returns to the main routine (FIG. 6) as it is. On the other hand, if it is determined in step S208 that D3 = 0 (S208; YES), the process proceeds to the next key pressing direction instruction display process (S209).

FIG. 10 is a flowchart showing a subroutine of the next key pressing direction instruction display processing. First,
The CPU 101 outputs a control signal for turning off the notice display LED 202 corresponding to the key specified by the register H to the light emitting device 200 (S501). Then, it is determined whether or not the note number in the MIDI data to be referred to when the next key press instruction is issued is larger than the note number in the MIDI data to be referred to when the key press instruction is performed immediately before (S).
502). Here, the note number for the next key press instruction>
If it is determined that the note number is the key number instructed immediately before (S502; YES), the notice LED 202 is sequentially turned on in the direction of the larger note number. Increment the value by 1 (S50
3).

On the other hand, in the determination in step S502,
Next, when it is determined that the key number to be depressed is equal to or less than the note number to be depressed immediately before (S502; N).
O), notice display LED2 in the direction of smaller note number
02 is sequentially turned on, so that the value of the register H for setting the note number for specifying the notice display LED 202 is set to 1
It is decremented (S504). Then, step S5
03 or S504, the CPU 10
1 is a notice display LED 2 specified by the register H
02 is output to the display device 200 (S
505), the value calculated in step S207 (FIG. 7) is set again in the register D3 as a time until the lighting of the adjacent notice display LED 202 starts, and the process returns to the interrupt process (FIG. 7).

Here, a specific example of the next key pressing direction instruction display processing will be described with reference to FIGS. At t3 in FIG. 11, since D3 = 0 is determined in step S208 (FIG. 7), the process proceeds to the next key pressing direction instruction display processing (FIG. 7: S209, FIG. 10). Here, since the register H = 62 in which the note number corresponding to the key for which the previous key press instruction was performed is set, a control signal for turning off the notice display LED 202D is output. However, since the notice LED 202D is already turned off at time t2 in step S401, the light emitting device 2
The light emission mode at 00 does not change. Then, since the note number = 67 for the next key press is larger than the note number = 62 for the key press immediately before, the value obtained by incrementing the value of the register H by 1 is set in the register H.
As shown at t3 in FIG. 11, the value of the register H is "63". Here, a control signal for lighting the notice display LED 202D # specified by the note number set in the register H is output to the light emitting device 200, and "9" is output to D3.
0 "is set again.

Next, at t4, which is 90 clocks after t3, the register D3 becomes 0, so that the same next key pressing direction instruction processing is performed. Here, the notice display LED 202D # specified by the register H remains lit at t3.
A control signal for turning off 2D # is output to light emitting device 200. Then, H = H + 1 is executed as before, and H = 64.
Is output to the light emitting device 200. Accordingly, in the light emitting device 200 at t4, the notice display LED 202D # is turned off, and then the notice display LED 202E is turned on.

By performing such a process every 90 clocks, as shown in FIGS. 11 and 12, a notice display LED 202D # at t3, a notice display LED 202E at t4, and a notice display LED 202 at t6.
At F and t7, the notice display LED 202F # is lit immediately after the previously lit notice display LED 202 is turned off, so that the light image moves to the right (in the direction of the higher pitched key) as viewed from the player. Then, at t8, the advance notice LED 202G on the key to be instructed for the next key depression lights up, and the 50
After the clock, the key press instruction LED 201G is turned on.

As described above, the notice display LED 202 located between the key pressed immediately before and the key to be pressed next is sequentially turned on, so that the direction of the key to be pressed next and the key can be easily grasped. become. In addition, the time from the previous press to the next press should be
Notice LED according to time divided by key separation
Since the lamps 202 are sequentially turned on, the player can recognize the interval between the key pressed immediately before and the key to be pressed next. If the key pressed immediately before and the key to be pressed next are the same, step S20 in FIG.
7 is "0", so that D3-1
= 0 cannot be achieved. Therefore, step S20
In step 8, since it is always determined that D3 ≠ 0, the next key pressing instruction display process is not performed, and the player can know that the next key to be pressed is the same key.

3. Modifications The present invention is not limited to the above-described embodiments, and various modifications as described below are possible.

In the above-described embodiment, when the next key pressing direction instruction display is performed, when one key located between the key pressed immediately before and the key to be pressed next is sequentially turned on, one key is pressed. After the notice display LED 202 is turned off, the next notice display LED 202 is turned on, but the light emission mode of the notice display LED 202 is not limited to this. For example, the lit notice display LED 202 may be kept lit until the key pressing instruction LED 201 of the key to be pressed next is lit. The timing at which the notice display LEDs 202 are sequentially turned on is not limited to the above-described embodiment, and the time can be set arbitrarily as long as the player can grasp the direction of the key to be pressed next and the key gap. It is. For example, if the time interval is shortened as the key to be pressed next is approached, the player can understand that effect.

In the above-described embodiment, the advance notice is displayed 50 clocks before the key depression display, but may be displayed any number of clocks earlier. In addition, an absolute time may be set instead of a relative time such as the number of clocks. In the above-described embodiment, an LED is used as a display for performing a key press instruction and a notice display. However, any display can be used as long as the display mode can be changed. There may be. Further, in the above embodiment, the display mode is changed when the LED is turned on and off. However, for example, the mode may be such that the color of the LED is changed from red to green, or the mode may be changed from lighting to blinking. It may be an aspect. Further, in order to perform the next key press instruction display, it is not always necessary to provide the advance notice LED 202, and the key press instruction L located in the middle between the key press instruction LED 201 illuminated immediately before and the key press instruction LED 201 illuminated next.
The ED 201 may be sequentially turned on.

Further, in the above-described embodiment, the case where the performance support device is installed and used on the piano of a natural musical instrument has been described. However, the present invention is not limited to this, and may be applied to other keyboard musical instruments. Of course. Further, in the above embodiment, the light emitting device 200 is configured so that it can be appropriately installed on the keyboard, but may be configured so as to be incorporated in advance on the keyboard or in the vicinity of the keyboard.

In the above embodiment, the performance data recorded on the floppy disk is loaded into the performance data memory 105. However, the present invention is not limited to this, and the performance data may be a CD-ROM, a magneto-optical disk, or the like. It may be recorded on another recording medium, or may be recorded on a large-capacity recording medium such as a hard disk in the controller 100 in advance. Alternatively, it may be input via a communication line. Also, the format of the performance data is not limited to the MIDI standard as in the above embodiment, but may be any standard that can handle music information by digital signals. It may be data.

In the above embodiment, the control program executed by the CPU 101 is the program memory 1
03, but is not limited to this. Data recorded on a portable recording medium such as a nonvolatile memory card, a CD-ROM, a floppy disk, a magneto-optical disk, and a magnetic disk may be stored in a storage device such as a hard disk. May be configured to be transferred to This is convenient when adding (installing) or updating (upgrading) control information or a control program.

[0040]

As described above, according to the present invention,
It becomes easier for the player to understand the next performance operation.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a configuration of an embodiment.

FIG. 2 is a diagram illustrating a configuration of a light emitting device.

FIG. 3 is a diagram showing a case where a light emitting device is installed on a keyboard.

FIG. 4 is a block diagram illustrating an electrical configuration of a controller.

FIG. 5 is a diagram exemplifying storage contents of a performance data memory;

FIG. 6 is a flowchart showing main processing.

FIG. 7 is a flowchart showing an interrupt process.

FIG. 8 is a flowchart showing a notice display process.

FIG. 9 is a flowchart showing a key pressing instruction process.

FIG. 10 is a flowchart showing a next key pressing direction instruction display process.

FIG. 11 is a time chart showing a specific example of the operation of the embodiment.

FIG. 12 is a diagram illustrating a specific example of a light emitting mode of a light emitting device.

[Explanation of symbols]

100: controller, 101: CPU, 102:
... Timer 103, Program memory 104, Working memory 105, Performance data memory 106
...... Floppy disk drive interface, 1
07 Floppy disk drive 108 Switch group 109 Light emitting device interface 200
... Light-emitting device 201, key press instruction LED 202
Notice display LED, 203: thin plate, 204: connector, 205: board, 206: transparent resin, 300:
piano.

Claims (5)

[Claims] 1. A performance support apparatus for instructing a key depression position of a keyboard instrument, comprising: storage means for storing performance information for instructing a performance operation of the keyboard instrument; and a display having a plurality of display modes. Display means provided corresponding to each key; and, based on the performance information, during the time from the time at which the key was depressed immediately before to the time at which the key should be depressed next, the key depressed immediately before and the key depressed next. The display mode of the intermediate display body, which is the display body corresponding to the key located in the middle of the key to be keyed,
A display control means for sequentially changing from a key immediately preceding a key press instruction to a key next to a key press instruction. 2. The performance support apparatus according to claim 1, wherein the display means includes a key press instruction display means for instructing a key press corresponding to the performance operation, and a notice display for notifying a key to be pressed next. Means, wherein the display control means changes a display mode of the intermediate display body in the notice display means. 3. The performance support apparatus according to claim 1, wherein the display control means presses a value corresponding to a time from a time at which a key is instructed immediately before to a time at which a key is to be instructed immediately before. Time for sequentially changing the display mode of the intermediate display means based on a value obtained by dividing by a value corresponding to a distance between a pitch corresponding to a key instructed by a key and a pitch corresponding to a key to be next depressed. Control device for controlling the performance. 4. A performance support method for designating a key depression position of a keyboard instrument by a display means provided with a display body having a plurality of display modes corresponding to each key of the keyboard instrument, wherein a performance of the keyboard instrument is provided. A performance information storing step of storing performance information for instructing an operation; and, based on the performance information, in a time period from a time at which a key is instructed immediately before to a time at which a key is to be instructed next, a key for which the key is instructed immediately before The display mode of the intermediate display, which is the display corresponding to the key located in the middle between the key to be pressed next and the key to be pressed next, is changed from the key for which the key was pressed immediately before to the key to be pressed next. A display control step of sequentially changing the performance. 5. A recording medium on which a performance support program for indicating a key depression position of a keyboard instrument by a display means provided with a display having a plurality of display modes corresponding to each key of said keyboard instrument, is provided. A performance information storage step of storing performance information for instructing a performance operation of the keyboard instrument; and, based on the performance information, a time period between a time at which a key is depressed immediately before and a time at which a key is depressed next. The display mode of the intermediate display, which is the display corresponding to the key located between the key instructed by the key and the key to be next depressed, is instructed from the key in which the key was depressed immediately before to the next. A display control step of sequentially changing the key toward a key.