JPH08137382A - Electronic musical instrument with push key instruction function - Google Patents

Abstract

PURPOSE: To provide a smooth playing by automatically dividing playing information into phrases even though the information is not divided into plural time segments (phrases) and displaying the information in a phrase unit. CONSTITUTION: Various processes are executed under the control of a microcomputer which inclues a microprocessor unit (CPU) 1, a program memory (ROM) 2 and a working memory (RAM) 3. The CPU 1 controls the entire operations of the electronic musical instrument. The playing information is divided into plural phrases in accordance with their contents. The displayed positions of a display section 12 corresponding to the pitch information of the entire playing information existing in a same phrase among the divided plural phrases are simultaneously displayed as the music progresses. When playing operators are constituted on a keyboard 11 and the section 12 is constituted by LEDs, the LEDs of the keyboard 11 corresponding to the pitch information of all playing information that constitutes one phrase are turned on.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic musical instrument with a key-depression instructing function, which has a function of displaying the placement of fingers on a player as an aid when playing an electronic musical instrument.

[0002]

2. Description of the Related Art Conventionally, as an electronic musical instrument with a key-depression instructing function, which has a function of instructing a player which key should be depressed as an aid when playing an electronic musical instrument, a light emitting diode ( There is a device which has an LED) and sequentially emits an LED corresponding to a key to be pressed in accordance with performance information. Such an electronic musical instrument with a key depression instruction function is one in which only the LED corresponding to the key currently to be depressed is lit and displayed, or the LEDs corresponding to the keys to be depressed in a phrase unit are collectively lit and displayed. is there. In these electronic musical instruments, the corresponding LED is turned off every time the performer presses a key that is lit and displayed.

[0003]

However, as in the prior art, in the case where only the LED corresponding to the key to be currently pressed is lit and displayed, the LED that emits light is detected at the same time.
Since a work such as a reflex test of pressing a key corresponding to the ED must be repeatedly performed, the performance itself becomes sporadic and discrete, and there is a problem that a smooth and smooth performance cannot be performed. .

On the other hand, in the case where the LED is displayed for each phrase, the performance information must be divided in advance for each phrase, so that it cannot be used for the performance information of the music which is not divided into phrases. Have. Further, conventionally, since the key-depressed LED is turned off, the player unconsciously follows the turned-off LED with his / her eyes, which makes it rather difficult to see. further,
Conventionally, the display is switched for each phrase, so when the phrase changes, LE that corresponds to the key depression of the next phrase
Since D is displayed all at once, there is a problem that the instruction display immediately after the change is difficult to understand.

The first invention is made in view of the above point, and has a key-depression instructing function capable of displaying an LED on a phrase-by-phrase basis even for performance information of a musical piece that is not divided into phrases. The purpose is to provide an electronic musical instrument. It is an object of the second invention to provide an electronic musical instrument with a key-depression instructing function, which is capable of preventing a decrease in visibility due to extinguishing while an LED is lit and displayed in phrase units. Third
Another object of the present invention is to provide an electronic musical instrument with a key-depression instructing function, which can improve the visibility when a phrase is changed when an LED is lit and displayed in phrase units.

[0006]

According to a first aspect of the present invention, there is provided an electronic musical instrument with a key depression instruction function, a plurality of performance operators, display means provided corresponding to the plurality of performance operators, and at least a sound. Performance information supplying means for supplying performance information including pitch information indicating a pitch, dividing means for dividing the performance information into a plurality of time intervals according to the contents, and within the same time interval among the plurality of time intervals. And a control means for simultaneously displaying the display portions of the display means corresponding to the pitch information of all the existing performance information as the music progresses.

An electronic musical instrument with a key depression instruction function according to a second aspect of the present invention includes a plurality of performance operators, display means provided corresponding to the plurality of performance operators, and pitch information indicating at least a pitch. Performance information supplying means for supplying performance information including, a dividing means for dividing the performance information into a plurality of time sections, and all of the plurality of time sections existing in a time section including a time point at which a song progresses. It is provided with a first control means for displaying the display portion of the display means corresponding to the pitch information of the performance information in the first display mode during the period corresponding to the time section.

An electronic musical instrument with a key-depression instruction function according to a third aspect of the present invention includes a plurality of performance operators, display means provided corresponding to the plurality of performance operators, and pitch information indicating at least a pitch. Performance information supplying means for supplying performance information including, a dividing means for dividing the performance information into a plurality of time sections, and all of the plurality of time sections existing in a time section including a time point at which a song progresses. The display portion of the display means corresponding to the pitch information of the performance information is simultaneously displayed in the first display mode within the time section, and the display corresponding to the pitch information to be pressed in response to the progress of the music. And a control means for displaying the display location of the means in the second display mode.

According to a fourth aspect of the present invention, there is provided an electronic musical instrument with a key depression instruction function, a plurality of performance operators, display means provided corresponding to the plurality of performance operators, and pitch information indicating at least a pitch. Performance information supplying means for supplying performance information including :, dividing means for dividing the performance information into a plurality of time intervals, and sound of all performance information existing in a first time interval among the plurality of time intervals. The display corresponding to the pitch information of all performance information existing in the second time section next to the first time section while the display portion of the display unit corresponding to the high information is being displayed according to the progress of the music. And a control means for simultaneously displaying the display location of the means.

According to a fifth aspect of the present invention, there is provided an electronic musical instrument with a key depression instruction function, a plurality of performance operators, display means provided respectively corresponding to the plurality of performance operators, and pitch information indicating at least a pitch. Performance information supplying means for supplying performance information including :, dividing means for dividing the performance information into a plurality of time intervals, and sound of all performance information existing in a first time interval among the plurality of time intervals. The first display portion of the display means corresponding to the high pitch information is set to the second display portion of the display means corresponding to the pitch information of all performance information existing in the second time zone next to the first time zone. When the display is switched to the display location, the third display location existing from the first display location to the second display location is directed from the first display location to the second display location. And a control means for sequentially displaying.

[0011]

The operation operator is composed of a plurality of operators required for performance. For example, a keyboard instrument is composed of a plurality of keys necessary for playing. The display means is provided corresponding to each of the plurality of performance operators. For example, in the case of a keyboard instrument, a display means is provided for each key. The performance information supply means supplies performance information according to the music. This performance information includes at least pitch information indicating the pitch.

In the first invention, the dividing means divides the performance information into a plurality of time intervals, that is, phrases, according to the contents of the performance information. That is, since the performance information is composed of tone color data, key-on data, duration data, etc. according to the music, the dividing means reads out these data and divides the performance information into a plurality of time intervals accordingly. For example, as a result of reading the data and analyzing it, the dividing means inserts the data indicating the dividing point into a portion where no sound is generated for a predetermined time or longer in the performance process of the music. Then, the control means simultaneously displays the display locations of the display means corresponding to the pitch information of all performance information existing in the same time section among the plurality of time sections divided by the dividing means in accordance with the progress of the music. That is, when the performance operator is composed of a keyboard and the display means is composed of a light emitting diode, the control means according to the first invention is
The diode of the key corresponding to the pitch information of all the performance information that constitutes one phrase is lit. Therefore, even when the performance information is not divided into a plurality of time intervals (phrases), the dividing means can automatically divide the performance information into time intervals, and the phrase information can be displayed on the display means.

In the second aspect of the invention, the pitch of all performance information existing in a time section (phrase) including the time when the music is progressing among the plurality of time sections divided by the dividing means by the first control means. The display location of the display means corresponding to the information is displayed in the first display mode during the period corresponding to the time section. That is, when the performance operator is composed of a keyboard and the display means is composed of a light emitting diode, the first control means according to the second invention is the pitch of all performance information constituting one phrase. The diode of the key corresponding to the information is lit throughout the phrase, regardless of key depression. Therefore, when the light emitting diode is turned on for each phrase, it is not turned off in response to a key press, so that the player does not unknowingly follow the turned off diode with his / her eyes, and the visibility is improved. Can be prevented. Note that the following are the preferred embodiments of the second invention. It is advisable to newly provide a second control means for displaying the display position of the display means corresponding to the pitch information to be depressed in correspondence with the progress of the music in the second mode. At this time, when the key corresponding to the display means being displayed in the second mode is pressed, the display means corresponding to the pressed key may be displayed again in the first mode. The display means may be lit and displayed as the first display mode of the display means, and the display means may be blinked and displayed as the second display mode. If it blinks, it turns off if the display time is short,
The lights may be turned on and off in this order.

In the third aspect of the invention, the control means corresponds to the pitch information of all performance information existing in a time section (phrase) including the time when the music is progressing among the plurality of time sections divided by the dividing means. In the second mode, the display locations of the display means are simultaneously displayed in the first display mode in the time section, and the display locations of the display means corresponding to the pitch information to be key-depressed corresponding to the progress of the music are displayed in the second mode. Display it. That is, when the performance operator is a keyboard and the display means is a light emitting diode, the control means according to the third invention is
The light emitting diodes of the keys corresponding to the pitch information of all the performance information constituting one phrase are made to emit light in the first mode at the same time, immediately before or immediately after the start of the performance of the phrase, or during the performance, regardless of the key depression. Second key light emitting diode to be locked
The light is emitted in the above manner. Therefore, since all the light-emitting diodes emit light in the first mode in phrase units, it is easy to understand where to place the fingers, and the light-emitting diode of the key to be depressed emits light in the second mode. Therefore, the key to be pressed can be easily recognized. The following are the preferred modes of implementing the third invention. When the key corresponding to the display means being displayed in the second mode is pressed, the display means corresponding to the pressed key may be displayed again in the first mode. The display means may be lit and displayed as the first display mode of the display means, and the display means may be blinked and displayed as the second display mode. In the case of blinking display, if the display time is short, blinking may be performed in the order of off, on, and off.

In the fourth invention, the control means of the display means corresponding to the pitch information of all performance information existing in the first time section (current phrase) among the plurality of time sections divided by the dividing means. While the display location is being displayed as the music progresses, the display location of the display means corresponding to the pitch information of all performance information existing in the second time section (next phrase) next to the first time section is simultaneously displayed. I am letting you. That is, when the performance operator is composed of a keyboard and the display means is composed of a light emitting diode, the control means according to the third invention causes the current phrase when the progress of the music is switched from the current phrase to the next phrase. While the corresponding LED is lit, the LEDs corresponding to the next phrase are turned on at the same time. Therefore,
Before the progress of the musical composition is switched from the current phrase to the next phrase, all the display portions of the display means corresponding to the pitch information of all the performance information existing in the current phrase and the next phrase are lit, so that the phrase is not changed. The position of the next phrase can be recognized, and the visibility when the phrase changes can be improved. The following are the preferred modes of implementing the third invention. The control means simultaneously displays the display location of the display means corresponding to the pitch information of all the performance information existing in the second time section at the key depression timing of the pitch information N pieces before the end of the first time section. You may let me.
Further, the control means, while displaying the first display portion of the display means corresponding to the pitch information of all performance information existing in the first time section, within the second time section from the first display location. Second display means corresponding to pitch information of all performance information existing in
The third display area up to the display area is displayed sequentially from the first display area to the second display area, and then the second display area is displayed.
The display location of may be displayed.

In the fifth invention, the control means has the first display means corresponding to the pitch information of all the performance information existing in the first time section among the plurality of time sections divided by the dividing means. When the display location is switched to the second display location of the display means corresponding to the pitch information of all performance information existing in the second time section next to the first time section, the first display is performed. The third display locations existing from the location to the second display location are sequentially displayed from the first display location to the second display location. That is, when the performance operator is composed of a keyboard and the display means is composed of a light emitting diode, the control means according to the fourth invention causes the current phrase to be changed when the progress of the music changes from the current phrase to the next phrase. The light emitting diode groups existing between the corresponding light emitting diode group and the next phrase corresponding light emitting diode group are sequentially lit and displayed from the current phrase corresponding light emitting diode group toward the next phrase corresponding light emitting diode group. Therefore, when the progress of the music changes from the current phrase to the next phrase,
The position of the next phrase can be easily recognized.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic musical instrument having an automatic performance device will be described below as an example of an electronic musical instrument having a key depression instruction function of the present invention. FIG. 2 is a block diagram showing a hardware configuration example of an electronic musical instrument with a key depression instruction function according to an embodiment of the present invention. This electronic musical instrument with a key depression instruction function has a light emitting diode (LED) or a liquid crystal display (LCD) near the upper side of each key of the keyboard, and LED or LED indicating which proximity of the keyboard should be placed according to performance data. In addition to displaying on the LCD, the key to be currently pressed and the key to be pressed next are simultaneously displayed on the LED or LCD.

In this embodiment, the electronic musical instrument executes various processes under the control of a microcomputer including a microprocessor unit (CPU) 1, a program memory (ROM) 2 and a working memory (RAM) 3. It is supposed to do. The CPU 1 controls the operation of the entire electronic musical instrument. A program memory 2, a working memory 3, a performance information memory 4, a key press detection circuit 5, a display circuit 6, a switch detection circuit 7, an interface 8 and a tone generator circuit 9 are connected to the CPU 1 via a data and address bus 18. Has been done.

The program memory 2 stores the system program of the CPU 1, various parameters and various data relating to musical tones, and is composed of a read only memory (ROM). Working memory 3 is C
The PU1 temporarily stores various data and flags generated when the program is executed, and a predetermined address area of a random access memory (RAM) is allocated to each.

The performance information memory 4 includes a plurality of performance data for each performance music piece, which is related to the performance music piece that the performer intends to perform, and performance data for accompaniment tones (chords, bass sounds, rhythm sounds) accompanying the performance music piece. Remember on track. In this embodiment, the number of tracks is 9. The performance data is used for normal automatic accompaniment, and is composed of key data, duration data, tone color data, effect data, and the like.

The keyboard 11 is provided with a plurality of keys for selecting the pitch of a musical sound to be produced, has a key switch corresponding to each key, and if necessary, a pressing force detecting device or the like. It has a touch detection means. The keyboard 11 is a basic operator for playing music, and it goes without saying that other keyboard operators may be used.

The key-depression detection circuit 5 includes a key switch circuit provided corresponding to each key of the keyboard 11 for designating the pitch of a musical tone to be generated. The key-depression detection circuit 5 detects a change from the key-released state to the key-depressed state of the keyboard 11 and outputs a key-on event, and detects a change from the key-depressed state to the key-released state and outputs a key-off event. A key code (note number) indicating the pitch of the key for each key-on event and key-off event is output. In addition to this, the key-depression detection circuit 5 detects the key-depression operation speed and the pressure when the key is depressed and outputs it as velocity data or after-touch data.

The display unit 12 is composed of a plurality of light emitting diodes (LED group) and a liquid crystal display (LCD) provided adjacent to the upper side of the keyboard 11. The display section 12 emits at least two colors of red and green, and each key is composed of two red and green LEDs.
The display circuit 6 makes the LED emit light in accordance with the performance data stored in the performance information memory 4 and displays a predetermined symbol on the LCD.

The switch detection circuit 7 includes various switch groups 1
It is provided in correspondence with No. 3 and outputs operation data corresponding to the operation status of each switch group as event information. The switch group 13 includes a load switch for controlling the reading of data from the disk 14 and a start / stop for controlling the start / stop of the automatic performance and the key depression instruction.
It includes a stop switch and various operators for selecting, setting, and controlling the tone color, volume, pitch, effect, etc. of a musical tone to be generated.

The disk 14 is a storage medium such as a floppy disk and stores various performance data corresponding to a performance song. The interface 8 converts the performance data stored in the disk 14 into data that can be processed in the microcomputer.

The tone generator circuit 9 is capable of simultaneously generating musical tone signals on a plurality of channels, and a data and address bus 18 is provided.
A musical tone signal is generated based on the performance data given via. Any tone signal generation method in the tone generator circuit 9 may be used. For example, a memory reading method for sequentially reading tone waveform sample value data stored in a waveform memory according to address data that changes corresponding to the pitch of a tone to be generated, or a predetermined frequency using the above address data as phase angle parameter data. A well-known method such as an FM method for performing a modulation operation to obtain musical tone waveform sample value data or an AM method for performing a predetermined amplitude modulation operation using the address data as phase angle parameter data to obtain a tone waveform sample value data. You may employ suitably.

The musical tone signal generated from the tone generator circuit 9 is sounded through a digital-analog converter (DAC) 15 and a sound system 16 (consisting of an amplifier and a speaker). The timer 17 counts time intervals and generates clock pulses for reading performance data from the performance information memory 4. The frequency of this clock pulse is a tempo switch (not shown) on the switch group 13 or the like. Adjusted by The generated clock pulse is given to the CPU 1 as an interrupt instruction,
The CPU 1 executes interrupt processing according to this clock pulse to generate a musical sound or give a key depression instruction.

FIG. 3 is a diagram showing an example of the structure of performance data for one track (track number TR = 0) stored in the performance information memory 4. Track number TR = 0 is a track that stores performance data relating to right-hand key depression, and track number TR = 1 is a track that stores performance data relating to left-hand key depression. Other track numbers TR = 2 to 8 are tracks in which various performance data regarding accompaniment tones (chords, bass tones, rhythm tones) are stored.

The performance data is composed of a combination of key data, duration data and end code. The key data is composed of a key-on code indicating that the next data is data related to key-on, a key code indicating a pitch of a key, a velocity indicating a key pressing operation speed, and a gate time indicating a note length. The duration data is composed of a duration code indicating that the next data is data relating to the duration and a duration time indicating an event occurrence interval. The end code indicates the end of the key depression instruction data. The electronic musical instrument of this embodiment inserts a phrase code between the duration time and the key-on code as shown in FIG. 3 to automatically divide the performance data into phrase units. This phrase division processing will be described later.

Next, an example of processing of the electronic musical instrument of FIG. 2 executed by the microcomputer will be described. FIG. 4 is a diagram showing an example of a main routine processed by the microcomputer. This main routine is sequentially executed in the following steps.

Step 41: First, when the power is turned on, the CPU 1 starts the initialization process according to the control program stored in the program memory 2. Then, in this "initial setting process", various registers and flags in the working memory 3 are set to initial values. Step 42: The key press detection circuit 5 is scanned and the keyboard 11 is pressed.
It is determined whether or not there is a key event by the operation of. If the key event is present (YES), the process proceeds to the next step 43, and if the key event is not present (NO), the step 47 is performed.
Jump to.

The processing of steps 43 to 45 is performed every time a key event corresponding to the operation of the keyboard 11 occurs. Step 43: It is determined whether the key event is a key-on event, and if it is a key-on event (YES), the process proceeds to step 44, and if not, a key-off event (NO).
In the case of, the process proceeds to step 46. Step 44: Since the key-off event is determined in the previous step, the muffling process corresponding thereto is performed, and Step 4
Proceed to 7. Step 45: Since it is determined in the previous step 43 that the event is a key-on event, a sounding process corresponding to it is performed. Step 46: Key depression instruction (LED blinks in this embodiment)
A comparison progress process is performed to control whether or not the next key depression instruction is given while making a comparison determination as to whether or not all the keys that have been depressed have been depressed, and the process proceeds to step 47.

FIG. 5 is a diagram showing details of the comparison / progress process in step 46. This comparison progress processing is sequentially executed in the following steps. Step 51: The mode number register MOD is "1",
"2" or "3" and the running state flag RUN
Is "1", the process proceeds to the next step 52 if it is YES, returns if it is NO, and proceeds to step 47 of FIG. Here, the mode number register MOD indicates the mode of the key depression instruction and is "0".
Indicates that no key is pressed, "1" indicates that the right hand is pressed, "2" indicates that the left hand is pressed, and "3" indicates that both hands are pressed. . The running state flag RUN indicates the state of automatic performance, "0" indicates that the vehicle is stopped, and "1" indicates that the automatic performance is being performed. Therefore,
The fact that the mode number register MOD is one of "1", "2", and "3" and the running state flag RUN is "1" means that a key depression instruction for the right hand and / or the left hand is issued, and Means that the performance is being processed.

Step 52: It is judged whether or not it is in a waiting state. That is, it is determined whether or not the wait state flag WAIT is "1", and if "1" (YES), the next step 5
3. If not (NO), return to FIG.
Go to step 47 of. Here, the wait state flag WAI
Since T is set to "1" in step 108 of FIG. 10 when new key-on data is registered in the tone generation key code list in the interrupt process described later, it is determined to be YES in step 52. This means that new key-on data is additionally registered in the pronunciation key code list.

Step 53: It is judged whether or not all the key codes registered in the tone generation key code list have been pressed. If all the key codes have been pressed (YES), the process proceeds to the next step 54 and thereafter, and all the keys are pressed. If not (NO), the process returns and proceeds to step 47 in FIG.

Step 54: Since it is determined in the previous step 53 that all the key codes registered in the tone generation key code list have been pressed, the LED corresponding to the key code in the tone generation key code list is turned on here. . This is because the LED corresponding to the key code registered in the sounding key code list is the step 10 in the data processing of FIG.
This is because it is in a blinking state by 7. Step 55: The waiting state flag WAIT is set to "0" to cancel the waiting state. By canceling this waiting state, the interrupt processing after step 83 in FIG. 8 is executed. Step 56: Clear the pronunciation key code list. That is, all key codes registered in the phonetic key code are erased, and the process proceeds to step 47 in FIG. Since this comparison progress processing is also performed in step 84 of FIG. 8, if the determination in steps 51 to 53 is NO, or if the processing of step 56 is completed, the processing proceeds to step 85 of FIG.

Step 47: The switch group 13 is scanned, and it is judged whether or not there is an on event of the load switch (not shown) in the switch group 13, and there is an on event (YES).
If it is, proceed to the next step 48, otherwise (NO)
If so, jump to step 4A. Step 48: Since it was determined in the previous step 47 that an ON event of the load switch has occurred, here, the performance data as shown in FIG.
It is written in the performance information memory 4.

Step 49: Phrase division processing for dividing the performance data read in the previous step 48 into predetermined phrases is performed. Details of this phrase division processing will be described later. Step 4A: The switch group 13 is scanned, and it is determined whether or not there is an on event of the mode changeover switch (not shown) in the switch group 13. If there is an on event (YES), the process proceeds to the next step 4B, otherwise (NO). If so, jump to step 4C. Step 4B: Since it was determined in the previous Step 4A that the ON event of the mode changeover switch has occurred, here,
Set the value of the mode number register MOD to "0", "1", "2"
Switch in the order of "3". That is, if the value of the mode register MOD is "0" before this step, it is "1".
If it is "2", it is switched to "3", and if it is "3", it is switched to "0". Step 4C: The switch group 13 is scanned, and it is determined whether or not an on event has occurred due to the operation of the start / stop switch in the switch group 13 and there is an on event (YE
In the case of S), the process proceeds to the next step 4D, and in the case of no on-event (NO), the process jumps to step 4H.

Step 4D: The running state flag RUN is reversed. That is, in this embodiment, every time the start / stop switch is operated, the key depression instruction by the LED emission and the automatic performance are started or stopped. Step 4E: It is determined whether or not the traveling state flag RUN is "1", and if "1" (YES), the next step 4F
If not (NO), go to step 4G. Step 4F: Running state flag RUN in the previous step 4E
Is "0", that is, it is determined that the key depression instruction and the automatic performance are to be stopped, so the key depression instruction and the automatic performance are stopped here. Step 4G: Since it is determined that the traveling state flag RUN is "1", the key depression instruction and the automatic performance start processing as shown in FIG. 6 are performed here. The key depression instruction and the automatic performance start process are sequentially processed in the following steps.

Step 61: Since the start / stop switch has been operated and the running state flag RUN has been inverted to "1", the read pointers of all tracks are set to the head addresses of the corresponding storage areas of the performance information memory 4. . Step 62: The tone color of track number L read from the header of the performance information memory 4 is written in the tone color register TC (L). The tone color register TC (L) stores the tone color name of each track. The track number L is "0" for specifying the reproduction track of the performance information memory 4 ...
It is a value of "8". Track number L = 0 is a track that stores performance data relating to right-hand key depression, and track number R = 1 is a track that stores performance data relating to left-hand key depression. Other track numbers L =
Reference numerals 2 to 8 are tracks in which performance data regarding accompaniment tones (chords, bass tones, rhythm tones) are stored.

Step 63: The wait state flag WAIT is set to "0" to cancel the wait state. By canceling this waiting state, the interrupt processing after step 83 in FIG. 8 is executed. Step 64: Reset the timing counter TM (L) corresponding to each track number L = 0 to 8 to “0”. The timing counter TM (L) is a counter for timing the timing of automatic performance and key depression instruction (LED emission), and is present for each track. Step 65: Clear the pronunciation key code list.

Step 66: Mode number register MOD
Is "1" or "3", the process proceeds to the next step 67 if YES, jumps to step 68 if NO. Step 67: Mode number register M in the previous step 66
The fact that the OD is judged to be "1" or "3" means
Since this means that at least the right key is pressed, the LEDs corresponding to the key pressing sound of the first phrase of the track number L = 0, which stores the performance data related to the right key pressing, are all turned on.

Step 68: Mode number register MOD
Is "2" or "3", the process proceeds to the next step 69 if YES, or jumps to step 4H in FIG. 4 if NO. Step 69: Mode number register M in the previous step 68
The fact that the OD is judged to be "2" or "3" means
This means that at least the left-hand key depression instruction is issued, so here, all the LEDs corresponding to the key-depression sound of the first phrase of track number L = 1, which stores performance data regarding the left-hand key depression, are lit, Proceed to step 4H in FIG. Step 4H: Various processes such as a process based on the operation of other operators in the switch group 13 and other volume changing processes are performed.

FIG. 7 is a diagram showing details of the phrase division process in step 49 of FIG. In this phrase division process, the performance data read from the disk 14 and written in the performance information memory 4 in step 48 of FIG. 4 is divided into phrase units. This phrase division processing is sequentially processed in the following steps. Step 71: Set "0" in the track number register TR. Here, the track number register TR is a register for specifying a reproduction track of the performance information memory 4, and stores values of "0" to "8". In particular, track number "0" is a track that stores performance data relating to right-hand key depression, and track number "1" is a track that stores performance data relating to left-hand key depression.
The other track numbers "2" to "8" are tracks storing performance data relating to accompaniment tones (chords, bass tones, rhythm tones).

Step 72: Track number register TR
The read pointer is set to the top address of the storage area of the performance information memory 4. Step 73: Duration time register DTM,
The maximum gate time register GTM and the key-off timing register KOFF are reset to "0". The duration time register DTM is a register for storing the duration time in the performance data. The maximum gate time register GTM is a register for storing the gate time of the largest value during the performance of the performance data. The key-off timing register KOFF is a register for measuring the time of the gate-off state. Step 74: It is judged whether the value of the duration time register DTM is "0" or less, and "0" or less (YE
If S), the process proceeds to the next step 75, and if larger than "0" (NO), the process proceeds to step 7E.

Step 75: The fact that the value of the duration time register DTM is judged to be "0" or less in the previous step 74 means that it is the read timing of the next performance data. The performance data pointed to by the read pointer of the track corresponding to TR is read. Step 76: Next, in preparation for reading, the read pointer of the track corresponding to the track number register TR is set to the read address of the next data. For example, in the case of performance data as shown in FIG. 3, the pointer is advanced by 4.

Step 77: It is judged whether or not the data read in the previous step 75 is end data. If it is end data (YES), the process proceeds to step 7N, and if it is other data (NO), the process proceeds to step 78. move on. Step 78: It is determined whether or not the data read in the previous step 75 is duration data, and if it is duration data (YES), the process proceeds to step 7D,
For other data (NO), the process proceeds to step 79.

Step 79: It is judged whether or not the data read in the previous step 75 is key-on data. If the data is key-on data (YES), the process proceeds to step 7A.
In the case of other data (NO), the process returns to step 74. Step 7A: Since the key-on data is determined in the previous step 79, the gate time in the key-on data is stored in the latest gate time register GT. Step 7B: It is judged whether the value of the latest gate time register GT is larger than the value of the maximum gate time register GTM. If it is larger (YES), the process proceeds to the next step 7C, and if it is smaller (NO), the process returns to step 74. . Step 7C: Since it is determined in the previous step 7B that the value of the latest gate time register GT is larger than the value of the maximum gate time register GTM, the value of the maximum gate time register GTM is replaced with the latest gate time GT. Step 7D: Since it is determined to be duration data in the previous step 78, the duration time is stored in the duration time register DTM.

Step 7E: Since it is determined in the previous step 74 that the value of the duration time register DTM is larger than "0", here, the stored values of the duration time register DTM and the maximum gate time register GTM are set to "1". ] Only decrement processing,
Go to step 7F. Step 7F: It is judged whether or not the value of the gate time register GTM is smaller than "0", and if it is smaller than "0" (YES), the procedure proceeds to the next step 7G, and if it is "0" or more (NO), step Return to 74. That is, in the decrement process of step 7E, the value of the duration time register DTM becomes "0" or less and YES is determined in step 74, or the value of the maximum gate time register GTM becomes negative and the step is performed. The process is repeated until YES is determined in 7F.

Step 7G: Since the value of the maximum gate time register GTM became a negative value in the previous step 7F, the value of the key-off timing register KOFF is incremented by "1" to increase the time. Step 7H: It is determined by the increment processing of the previous step 7G whether the value of the key-off timing register KOFF is larger than the threshold value. If larger (YES), the process proceeds to the next step 7J, and if smaller (NO), the step 74 Return to. In this embodiment, the value "12" corresponding to an eighth rest is set. That is, the key-off clock register K is incremented by the increment processing in step 7G.
When it is OFF, the duration time register DTM is "0".
Is greater than the maximum gate time register and has a negative value in the maximum gate time register.

Step 7J: Track number register TR
It is determined whether the performance data pointed to by the read pointer of the track corresponding to is end data (Y
In the case of ES), the process returns to step 74, and in the case of other data (NO), the process proceeds to the next step 7K. Step 7K: It is judged whether or not the performance data immediately before the read pointer of the track corresponding to the track number register TR is the phrase data, and the phrase data (YE
In the case of S), the process returns to step 74, and in the case of other data (NO), the process proceeds to the next step. That is,
Since it is determined in the previous step 7H that the value of the key-off timing register KOFF is larger than the threshold value, it is normal to insert the phrase data immediately before the data pointed to by the pointer, or the data pointed to by the pointer ends. If the data is the data, or if the data immediately before the data pointed by the pointer is the phrase data, it becomes meaningless to insert the phrase data.

Step 7L: Key-off timing register KO
It is determined in step 7H that the value of FF is larger than the threshold value, it is determined in step 7J that the data pointed to by the pointer is not end data, and it is determined in step 7K that the data immediately before the pointer is not phrase data. Therefore, the phrase data is inserted immediately before the performance data pointed to by the read pointer of the track corresponding to the track number register TR. Step 7M: Since the phrase data is newly inserted by the previous step 7L, the key-off timing register KOF
Reset F to "0" and return to step 74,
The same processing as described above is repeated until the end data is read.

Step 7N: Since it is determined in step 77 that the read data is end data, it is determined whether or not the track number register TR is "1".
If "1" (YES), the process returns to step 4A in FIG. 4, and if "0" (NO), the process proceeds to step 7P. Step 7P: In this phrase division process, since "0" is set in the track number register TR in step 71, it means NO in the previous step 7N, which means that the track number register TR is "0". , "1" is set in the track number register TR, and the process returns to step 72 to perform the same phrase division processing on the performance data concerning the left hand. As a result, the processes of steps 72 to 7M are executed for the track number "1".

FIG. 8 is a diagram showing an interrupt process executed at a timing of 96 times per bar (every 96th note length). In this interrupt processing, key depression instruction processing and automatic accompaniment processing are performed. This interrupt processing is sequentially executed in the following steps. Step 81: It is determined whether or not the traveling state flag RUN is "1", and if "1" (YES), the next step 82
If not (NO), the process immediately returns. Step 82: It is judged whether or not it is in a waiting state, that is, whether or not the waiting state flag WAIT is "1", and "1" (Y
If ES), the process returns, and if "0" (NO), the process proceeds to the next step 83.

Step 83: Perform performance data reproduction processing as shown in FIG. FIG. 9 is a diagram showing details of the reproduction processing in step 83. In this reproducing process, the same process is sequentially performed on the nine tracks in the performance information memory 4. This reproduction process is sequentially executed in the following steps. Step 91: Step 81 in FIG.
Since it is determined that the traveling state flag RUN is "1" in step 82 and it is determined that the vehicle is not in the waiting state (NO) in step 82, the track number register TR is set to "0". Here, the track number register TR is a register for specifying the reproduction track of the performance information memory 4, and is from "0" to
The value "8" is stored.

Step 92: Timing counter TM
Stored value of (TR), that is, track number register TR
It is determined whether the timing count value of the track corresponding to the stored value of "0" or less is "0" or less (YES), the process proceeds to step 93 and is greater than "0" (N
If O), proceed to step 94. Step 93: Since it is determined in the previous step 92 that the timing count value is equal to or less than "0", the performance data pointed by the read pointer of the track corresponding to the track number register TR is read here.

Step 94: Since it is determined in the previous step 92 that the timing count value is larger than "0", the stored value of the timing counter TM (TR) is decremented by "1" and the step 9A is executed. Proceed to. Step 95: It is judged whether the data read in the previous step 93 is end data, and end data (YE
In the case of S), the process jumps to step 9A, and in the case of other data (NO), the process proceeds to step 96.

Step 96: Set the read pointer to the read address of the next data. For example, if the data read in step 93 is key-on data, the pointer is advanced by 4, and if it is duration data, the pointer is advanced by 2. Step 97: It is judged whether or not the data read in the previous step 93 is duration data, and if it is duration data (YES), the process proceeds to step 98,
For other data (NO), the process proceeds to step 99. Step 98: Since it is determined in the previous step 97 that it is duration data, the duration time is stored in the timing counter TM (TR) of the track corresponding to the track number register TR.

Step 99: The data processing of FIG. 10 is performed on the data read in the previous step 93. Figure 10
FIG. 6 is a diagram showing the details of the data processing in step 99. This data processing is sequentially executed in the following steps. Step 101: It is judged whether or not the data read in step 93 of FIG. 9 is key-on data. If the data is key-on data (YES), the process proceeds to step 102. If the data is other than that (NO), the process proceeds to step 10C. move on.

Step 102: Mode number register MO
The value of D is "1" or "3" and the value of the track number register TR is "0", or the value of the mode number register MOD is "2" or "3" and the track number is It is determined whether or not the value of the register TR is "1". If YES, the process proceeds to the next step 103, N
If O, go to step 109. Here, when the mode number is "1" or "3" and the track number register TR is "0", it means that the currently reading track is the key depression of the right hand, and the key depression instruction mode is also set. This means that it is a mode in which a key depression instruction is issued for the right hand. Also, the mode number is "2" or "3".
The fact that the track number register TR is "1" means that the currently read track is related to the key depression of the left hand, and the key depression instruction mode is also a mode in which the key depression instruction is issued with respect to the left hand. means.

Step 103: The key code of the read key-on data is stored in the key code register KC because it is determined in the previous step 101 that it is the key-on data, and in the previous step 102 that it is determined that the key depression instruction is performed. Step 104: The key code newly stored in the key code register KC in the previous step 103 is additionally registered in the pronunciation key code list. Step 105: The key-on data read in step 93 of FIG. 9 is the last key-on data in the current phrase of the track corresponding to the track number register TR,
At the same time, it is determined whether or not the next phrase exists. If YES, the process proceeds to the next step 106, and if NO, the process jumps to step 107.

Step 106: In the next step 107, the LED corresponding to the key code of the last key-on data of the current phrase is made to blink, so that all the LEDs corresponding to the key depression sound of the next phrase are turned on. This allows the performer to easily recognize the key depression position of the next phrase. Step 107: Blink the LED corresponding to the key code stored in the key code register KC. In addition,
When the gate time of the key-on data is 16th notes or less, control is performed so that blinking starts from off. That is,
In this embodiment, the LE corresponding to the key depression sound in the phrase is executed in step 67, step 69 or step 106.
Since all D are lit, in this step, the lit LEDs are made to blink according to their gate time. However, because the LED blinking process is performed with a timing clock that is asynchronous with this interrupt process,
If the gate time is very short, such as 16th note or less, even if the LEDs that are already lit are turned on, turned off, and blinked in order at the timing of lighting, the lit parts will overlap,
The timing is difficult to understand. Therefore, in this embodiment, the LEDs that are lit are blinked in the order of turning off, turning on, and turning off so that the key pressing timing can be easily understood. Step 108: The waiting state flag WAIT is set to "1" to set the waiting state, and the process returns to step 92 of FIG.

Step 109: the mode in which the key depression instruction is not issued in the previous step 102 (the value of the mode number register MOD is "0") or the value of the track number register TR is "2" to "8". It was decided that
Since it means performing an automatic performance based on performance data, a soundable channel is assigned here, and the assigned channel number is assigned to the channel register CH.
To be stored. Step 10A: The key-on signal, the key code, the velocity, the tone color of the tone color register TC (TR) and the channel number CH are output to the tone generator circuit 9 based on the key-on data read from the performance data. Step 10B: The gate time in the key-on data is stored in the gate time register GT (CH), and the process returns to step 92 of FIG.

Step 10C: Since it is determined in the previous step 101 that the data is not key-on data, it is determined whether or not the data read out in step 93 of FIG. 9 is phrase data, and if it is phrase data (YES). Proceeds to step 10D, and if not (NO), the process shown in FIG.
And returns to step 92. Step 10D: As in step 102, the mode number register MOD is "1" or "3" and the track number register TR is "0", or the mode number register MOD is "2" or "3". "so,
At the same time, it is determined whether or not the track number register TR is "1". If YES, the process proceeds to the next step 10E, and if NO, the process returns to step 92 of FIG.

Step 10E: If the data read out in step 93 of FIG. 9 is phrase data, the previous step 10
It is determined in C, and when the right hand and / or the left hand key depression instruction is performed, it is determined in the previous step 10D. Therefore, here, the LED corresponding to the key depression sound of the previous phrase of the track corresponding to the track number register TR is turned on. The light is turned off, and the process returns to step 92 of FIG. However, the LEDs that are lit corresponding to the key-depressing sound of other tracks and the current phrase are maintained as they are.

Step 9A: In this step, whether the stored value of the timing counter TM (TR) is decremented by "1" in step 94 or is it judged in step 95 that the data of the current track number TR is the end data? , Or at step 98 the timing counter T
This is performed when the duration time is stored in M (TR), and the value of the track number register TR is incremented by "1" in order to perform the same reproduction processing as described above for the next track. . Step 9B: It is judged whether or not the value of the track number register TR becomes "9" by the increment processing of the previous step 9A, that is, whether the reproduction processing is completed for all tracks. The routine proceeds to step 84, and in the case of NO, the routine returns to step 92, and the same processing is repeatedly executed for the next track.

Step 84: The same comparison process as in FIG. 5 is performed. The comparison progress process in this step is a process performed when the player presses a key before the key pressing instruction (LED blinking) in step 107 of FIG. That is, the fact that the key was pressed before the key pressing instruction means
Since it means that the key code to be pressed in step 104 of FIG. 10 is pressed before being registered in the sounding key code list, at this point, step 4 of FIG.
Even if the comparison progress processing of 6 is performed, since it is determined as NO in step 52, the comparison progress processing of step 46 is meaningless. Therefore, in order to deal with such a case, the same comparison progress processing as in FIG. 5 is performed in this step.

In steps 85 to 8B, performance data is read from tracks other than the track numbers "0" and "1" in the performance data of the performance information memory 4 to perform automatic performance. Step 85: Set the value of the channel register CH to "0". Step 86: It is judged whether or not the value of the gate time register GT (CH), that is, the gate time of the channel corresponding to the value of the channel register CH is "0" or less, and if it is "0" or less (YES), go to step 87. If it is larger than "0" (NO), the process proceeds to step 89.

Step 87: It is judged whether or not the channel corresponding to the value stored in the channel register CH is already in use for automatic performance. If it is in use (YES), the process proceeds to the next step 88, and it is not in use (NO). If step 8
Jump to A. Step 88: Since the gate time is "0" or less in the previous steps 86 and 87 and it is determined that the channel is being used for automatic performance, here, in order to end the sounding of that channel, the channel number The CH and key-off signals are output to the tone generator circuit 9.

Step 89: Since it was determined in the previous step 86 that the gate time is longer than "0", here,
The value stored in the gate time register GT (CH) is decremented by "1". Step 8A: Step 86 to the next channel
In order to perform the process of 89, the value of the channel register CH is incremented by "1". Step 8B: The value stored in the channel register CH is "1".
6 ”, that is, whether the processing of step 88 or step 89 has been performed for all 16 channels. If YES, return and wait until next interrupt timing, and if NO, Returns to step 86 and repeats the same processing for the remaining channels.

How the performance data is divided by the phrase division processing of FIG. 7 will be described. Here, a case will be described in which the performance data as shown in FIG. 3 corresponding to the score example of FIG. 1A is divided into phrases. Here, the alphanumeric characters C4 to E5 shown on the keyboard of FIG. 1 are the key codes of the keys. In the performance data of FIG. 3, these key codes are stored as key numbers (numerical data). For example, the key code "Fa (F4)" is the key number "65", "So (G4)" is "67",
"69" for "La (A4)" and "7" for "Do (C5)"
2 ”and“ Le (D5) ”are“ 74 ”, and“ Mi (E5) ”is“ 76 ”.

First, the processing of steps 75 and 76 is performed through steps 71 to 74. In step 75, the first key-on data of FIG. 3, that is, "Fa (F4 = 6
5) ”and the pointer is set to the next duration data in step 76. Then, the processing of step 7A is performed through steps 77 to 79. In step 7A, the key-on data "Fa (F
4 = 65) ”is stored in the latest gate time register GT. At this point, the maximum gate time register GTM is "0", so step 7C
The value of the latest gate time register GT "1"
7 ”is stored in the maximum gate time register GTM.

Since the value of the duration time register DTM is "0", the processing of steps 75 and 76 is performed through step 74. In step 75, the duration time "24" is read this time, and step 7
At 6 the pointer shows the next key-on data "SO (G4 = 6
7) ”is set. Then, after the processing of steps 77 and 78, the processing of step 7D is performed. In step 7D, duration time register D
“24” is stored in TM.

Since the value of the duration time register DTM is "24", NO is determined in step 74 this time, and the process of step 7E is performed. In step 7E, the duration time register DTM and the maximum gate time register GTM are both decremented so that the duration time register DTM becomes "23" and the maximum gate time register GTM becomes "16". Therefore, thereafter, the decrement process of step 7E is repeated until the value of the maximum gate time register GTM becomes a negative value or the value of the duration time register DTM becomes 0 or less. When the value of the duration time register DTM becomes "6" and the value of the maximum gate time register GTM becomes "-1" as a result of the decrement processing, YES is determined in step 7F, and the key-off timing register KOFF is incremented in step 7G. It
At this time, the key-off timing register KOFF is "1".

Since the threshold value of step 7H is "12", NO is determined at this point. Therefore, after that, until the value of the duration time register DTM becomes 0 or less or the value of the key-off timing register KOFF becomes larger than the threshold value "12", step 7E.
And the increment process of step 7G are repeated. As a result of the decrement processing, the value of the duration time register DTM becomes "0" and the value of the key-off timing register KOFF becomes "7". The process of step 75 is performed. In step 75, the second key-on data of FIG. 3, that is, the data relating to "SO (G4 = 67)" is read out. Then, in step 7A, the key-on data "SO (G
4 = 67) ”, the gate time“ 17 ”is stored in the latest gate time register GT. At this point, the maximum gate time register GTM is "-7", so step 7
By the processing of C, the value "17" of the latest gate time register GT is stored in the maximum gate time register GTM.

Since the value of the duration time register DTM is "0", the processing of steps 75 and 76 is performed through step 74. In step 75, this time 2
The th duration time “24” is read.
In step 76, the pointer is set to the next key-on data "LA (A4 = 69)". And step 7
After the processing of 7 and step 78, the processing of step 7D is performed. In step 7D, "24" is stored in the duration time register DTM.

Since the value of the duration time register DTM is "24" and the value of the maximum gate time register GTM is "17", the decrement process of step 7E is repeatedly executed as described above, and the value of the maximum gate time register GTM is negative. After that, the decrement process of step 7E and the increment process of step 7G are repeatedly executed. Since the value of the duration time register DTM is "0" and the value of the key-off timing register KOFF is "7", YES is determined in step 74, and in step 75, the third key-on data of FIG. A4 = 69) ”is read. Then, in step 7A, the key-on data "LA (A
4 = 69) ”is stored in the latest gate time register GT. At step 7C, the value "17" of the latest gate time register GT is stored in the maximum gate time register GTM.

Since the value of the duration time register DTM is "0", the processing of steps 75 and 76 is performed through step 74. In step 75, this time 3
The th duration time “48” is read.
Then, in step 76, the pointer is set to the next key-on data "DO (C5 = 72)", and in step 7D, "48" is stored in the duration time register DTM. The value of the duration time register DTM is "48", and the value of the maximum gate time register GTM is "1".
7 ”, the decrement process of step 7E is repeatedly executed as described above. Then, after the value of the duration time register DTM becomes "30" and the value of the maximum gate time register GTM becomes "-1", step 7
The decrement process of E and the increment process of step 7G are repeatedly executed. Then, as a result of the decrement processing, the value of the duration time register DTM is "18" and the value of the key-off timing register KOFF is "1".
3 ”, and YES is determined in step 7H, and the processes of steps 7J to 7M are performed.

Since the data pointed to by the pointer is the fourth key-on data "DO (C5 = 72)", NO is determined in step 7J. Since the data immediately before the data pointed by the pointer is the third key-on data “LA (A4 = 69)” and is not phrase data, N is returned in step 7K.
Judged as O. Therefore, the fourth key-on data "DO (C5
= 72) ”, the phrase data is inserted as shown in FIG. Then, in preparation for the next phrase insertion, the key-off clock register KOFF is reset to "0", and the same processing as described above is repeatedly executed until the end data is read, and the phrase data is inserted at a predetermined position. When the end data is read, YES is determined in step 77, "1" is set in the track number register TR in step 7P, and this time step 7
The processing of 2 to 7M is performed on the track number "1". In this way, in this embodiment, the performance data is read and divided into predetermined phrases. In this embodiment, optimum phrase division can be performed by setting the threshold value in step 7H to an appropriate value.

FIG. 1 is a diagram schematically showing an operation example of how the electronic musical instrument with a key pressing instruction function according to the present invention emits an LED to issue a key pressing instruction. FIG.
(A) is a diagram showing an example of a musical score based on the performance data of FIG. 3, and FIGS. 1 (B) to 1 (E) divide the performance data of FIG. 3 by the phrase division processing of step 49 (FIG. 7) of FIG. FIG. 6 is a diagram showing, in a time-series manner, a state in which a key depression instruction is issued by causing the LED group 12 provided near the upper side of the keyboard 11 to emit light. The light emission state of the LED is from FIG.
It changes in the order of (E). In addition, in the figure, L that is emitting light
The ED is shown by a black circle, the LEDs not emitting light are shown by a white circle, and the blinking LEDs are shown by a stitch circle.

According to the score example of FIG. 1A, "F
4) ”,“ So (G4) ”,“ La (A4) ”,“ Do (C
5) ”,“ Le (D5) ”, and“ Mi (E5) ”in that order. First, when the load switch is operated, the performance data as shown in FIG. 3 is read from the disk 14 and written in the performance information memory 4 in step 48 of FIG. Then, as a result of the phrase division processing in step 49 (FIG. 7) of FIG. 4, as shown in FIG.
69) ”and“ Do (C5 = 72) ”are inserted between the phrase codes. The value of the mode number register MOD is "1", "2", "3" in step 4B of FIG.
It is assumed that it is set to either of.

Next, when the start switch for automatic performance and key-depression instruction is operated, the key-depression instruction and automatic performance start processing of step 4G (FIG. 6) of FIG. 4 is performed. At this time, since the one before the newly inserted phrase code in FIG. 3 corresponds to the first phrase, step 6 in FIG.
The three pieces of key-on data that form the first phrase by 7, that is, “Fa (F4 = 65)” and “So (G4 = 6)
7) ”and three LEs corresponding to“ La (A4 = 69) ”
D lights up.

FIG. 1B shows the LED 12 when the interrupt processing of FIG. 8 is first performed after the above processing is completed.
Indicates the lighting state. In the interrupt process of FIG. 8, the running state flag RUN is set to “1” in step 4D of FIG. 4, and the waiting state is already canceled (the waiting state flag WAIT is set to “0”) in step 63 of FIG. Therefore, it is determined to be YES in step 81 and NO in step 82, and the reproduction process of step 83 (FIG. 9) is performed.

In the reproducing process of FIG. 9, after step 91, step 92 is determined to be YES. Then, in step 93, the first key-on data of FIG. 3, that is, the data regarding “Fa (F4 = 65)” is read out, and the data processing of step 99 (FIG. 10) is performed through steps 95 to 97. In the data processing of FIG. 10, “0” has already been set in the track number register TR in step 91 of FIG. 9, and the value of the mode number register MOD is also “1”,
Since it is set to either "2" or "3", it goes through step 101 and step 102, then step 10
The process of 3 and step 104 is performed. Step 10
In step 3 and step 104, the key-on data “F (F4
= 65) ”,“ F4 = 65 ”is newly stored.

At this point, the key-on data is the first data of the current phrase, so NO is determined in step 105, and the processes of step 107 and step 108 are performed. By the processing of step 107, the LED corresponding to "Fa (F4 = 65)" which is the value stored in the key code register KC is blinked as shown in FIG. 1 (B). Then, in the processing of step 108, the waiting state flag WA
“1” is set in IT and the system is in a waiting state. Therefore,
Thereafter, until the waiting state is released by the process of step 55 in the comparison progress process of FIG. 5 (step 46 of FIG. 4 or step 84 of FIG. 8), it is determined YES in step 82 of the interrupt process of FIG. Then, the process immediately returns, so that substantial interrupt processing is not performed.

When the data processing of step 99 (FIG. 10) of FIG. 9 is completed, step 92 is performed, and then step 93 is processed. In this step 93, the duration data next to the key-on data relating to "Fa (F4 = 65)" in FIG. 3 is read out. Therefore, YES is determined in the step 97 and the process of the step 98 is performed. In step 98, the first duration time "24" of FIG. 3 is stored in the timing counter TM (0). Then, in step 9A, the track number register T
Since the value of R is incremented by "1", after that, the same reproduction processing as described above is repeatedly performed on the tracks "1" to "8" of the track number register TR,
When the value of the track number register TR becomes "9" in step 9A, the processes after step 84 in FIG. 8 are performed.

At step 84 (comparison progress processing of FIG. 5), since the waiting state is set at step 108 of FIG. 10, YE at steps 51 and 52.
It is determined to be S, and the processing of the next step 53 is performed. In this embodiment, it is assumed that the player's key is pressed after the key pressing instruction (that is, after the LED blinks). Therefore, at the time of step 84, the player's key has not been pressed. Therefore, it is determined to be NO in step 53, and step 85
After that, the processing for the performance data read from the tracks other than the track numbers TR of "0" and "1" is performed on the 16 channels of the channel numbers CH = "0" to "15".

By the way, the value stored in the key code register KC "F (F4 = F4 =
65) ”blinks as shown in FIG. 1B, and then the performer presses the blinking key, it is judged as YES in step 43 of the main routine of FIG. Sound generation processing for the key depression is performed. Then, in the next step 46, the comparison progress processing of FIG. 5 is performed. In this comparison progress process, YES is determined in steps 51 and 52, and the process of step 53 is performed. At the time of processing in step 53, the key-on data “Fa (F4 =
65) ”only“ F4 = 65 ”, the determination is YES, and the processes of steps 54 to 56 are performed. That is,
LED corresponding to the flashing "Fa (F4 = 65)"
Is turned on, the waiting state flag WAIT is set to "0", the waiting state is released, and the tone key code list is also cleared.

By releasing this waiting state, the interrupt processing after step 83 in FIG. 8 is executed.
This time, in step 93 of the reproducing process of FIG. 9, the second key-on data, that is, the data regarding "SO (G4 = 67)" is read. Then, in the data processing of FIG.
By the processing of steps 103 and 104, "G4 = 67" of the key-on data "so (G4 = 67)" is newly stored in the key code register KC and the tone key code list.

Even at this time, since this key-on data is data located in the middle of the current phrase, step 105
If NO in step 107, the LED corresponding to “SO (G4 = 67)” blinks as shown in FIG. 1C by the processing of step 107, and the waiting state flag WAIT is set to “1” by the processing of step 108. To be done. Step 9 of FIG.
The duration data "24" is stored in the timing counter TM (0) by the processing of step 98 by the processing of No. 3, the duration data next to the key-on data relating to "SO (G4 = 67)" of FIG. It Then, in step 9A, the track number register T
The value of R is incremented by "1", and thereafter, the reproduction processing similar to the above is repeatedly performed for the tracks "1" to "8" of the track number register TR, and at step 9A, the track number register TR is rewritten. Value is "9"
8 is reached, the processing from step 84 onward in FIG. 8 is performed.

Then, as shown in FIG. 1C, "So (G4 =
67) ”in which the blinking key of the LED is pressed, the tone generation processing of step 45 and the step 46 of FIG. 4 are performed.
The comparison progress processing is performed. It was flashing "So (G4 =
67) ”is turned on, the waiting state flag WAIT is set to“ 0 ”, the waiting state is canceled, and the tone key code list is also cleared.

By releasing this waiting state, the interrupt processing after step 83 in FIG. 8 is executed again. This time, in step 93 of the reproduction processing of FIG. 9, 3 of FIG.
The th key-on data, that is, the data regarding "LA (A4 = 69)" is read. Then, in the data processing of FIG. 10, the key code register KC and the tone key code list have "A4 =" (A4 =
69 ”is newly stored.

At this point in time, this key-on data is the data located at the end of the current phrase, and the next phrase exists, so YES is determined in step 105 and step 106 is processed. By the processing of step 106, the three key-on data which form the next phrase, that is, the three LEDs corresponding to "do (C5 = 72)", "re (D5 = 74)" and "mi (E5 = 76)" are generated. Light.
By the processing of step 107, the LED corresponding to "LA (A4 = 69)" blinks, and the display becomes as shown in FIG. Then, in the process of step 108, the waiting state flag W
"1" is set in AIT. By the processing of step 93 of FIG. 9, the duration data next to the key-on data relating to “LA (A4 = 69)” of FIG. 3 is read, and by the processing of step 98, the duration time “48” is changed to the timing counter TM (0 ). Then, in step 9A, the track number register TR
Is incremented by "1", and thereafter, the same reproduction process as described above is repeatedly performed for the tracks "1" to "8" of the track number register TR, and the value of the track number register TR is determined by step 9A. 8 becomes "9", the processing from step 84 onward in FIG. 8 is performed.

Then, similarly to the above, "LA (A4 = 6
9) ”blinks as shown in FIG. 1D, and when the key is pressed, step 45 in FIG.
Sound generation processing and comparison progress processing of step 46 are performed. LE corresponding to the flashing "La (A4 = 69)"
D is turned on and the wait state flag WAIT is set to "0".
Is set, the waiting state is released, and the pronunciation key code list is also cleared.

By releasing this waiting state, the interrupt processing after step 83 in FIG. 8 is executed.
In step 93 of the reproduction process of FIG. 9, the phrase data of FIG. 3 is read. Then, in the data processing of step 99 (FIG. 10), NO is determined in step 101, YES is determined in steps 10C and 10D,
Step 10E is processed. By the processing of step 10E, three pieces of key-on data corresponding to the key depression sound of the previous phrase, that is, “Fa (F4 = 65)” and “So (G4 = 6)
7) ”and three LEs corresponding to“ La (A4 = 69) ”
D turns off. Then, at the next interrupt timing, FIG.
The interrupt process after step 83 is executed, and in step 93, the first key-on data of the second phrase, that is, the data regarding "do (C5 = 72)" is read.
In the data processing shown in FIG. 10, the key-on data "C (= C5 = 7)" is added to the key code register KC and the tone key code list by the processing of steps 103 and 104.
2) ”,“ C5 = 72 ”is newly stored.

At this time, since this key-on data is the data located at the beginning of the current phrase, step 105
Is determined to be NO, and the LED corresponding to "DO (C5 = 72)" starts blinking as shown in FIG. 1E by the processing of step 107, and thereafter, the same processing as described above is repeatedly executed. , "Le (D5 = 74)" and "Mi (E
5 = 76) ”, and the LEDs corresponding to the LEDs will sequentially blink.

In the operation example of FIG. 1, a case has been described in which all the LEDs corresponding to the key depression sound of the next phrase are turned on in accordance with the blinking of the LED corresponding to the last key depression sound of the current phrase. Not limited to this, for example, as shown in FIG. 11 (A), as the LED corresponding to the last key depression sound of the current phrase blinks, the LE corresponding to the key depression sound of the next phrase.
When D is turned on, LEDs existing between the LED corresponding to the key depression sound of the current phrase and the LED corresponding to the key depression sound of the next phrase as shown in FIG. H), the LEDs corresponding to the key depression sound of the next phrase are lit as shown in FIG. 11 (I), and then the LE corresponding to the key depression sound of the current phrase as shown in FIG. 11 (J).
You may turn off D.

Further, in the operation example of FIG. 1, a case has been described in which all the LEDs corresponding to the key depression sound of the next phrase are turned on in accordance with the blinking of the LED corresponding to the last key depression sound of the current phrase. Not limited to this, for example, when the LED corresponding to the key pressing sound of the current phrase is lit and displayed, the LED corresponding to the key pressing sound of the next phrase is lit, as shown in FIG. 12 (A). The LED corresponding to the key pressing sound of the current phrase is turned off as shown in FIG. 12 (B), and accordingly, the LED corresponding to the key pressing sound of the current phrase and the LED corresponding to the key pressing sound of the next phrase are connected. Existing LED
May be lit in the order of FIG. 12 (B) to FIG. 12 (H), and the LED corresponding to the key depression sound of the next phrase may be lit as shown in FIG. 12 (I).

11 and 12, the case where the last key depression sound of the current phrase is "mi (E4)" and the first key depression sound of the next phrase is "do (C5)" has been described. When the last key depression sound of the current phrase is “Le (D4)” and the first key depression sound of the next phrase is “Le (D5)”, the LED corresponding to the last key depression sound of the current phrase and the next The LEDs existing between the LED corresponding to the first key depression sound of the phrase, that is, the ones between "Mi (E4)" and "Do (C5)" may be lit in order, or In this case, even if the LED corresponding to the key pressing sound of the current phrase and the LED corresponding to the key pressing sound of the next phrase are the LEDs that are closest to each other, "MI (E4)" and "DO (C5 ) ”May be lit in order.

In the operation example of FIG. 1, a case has been described in which all the LEDs corresponding to the key depression sound of the next phrase are turned on in accordance with the blinking of the LED corresponding to the last key depression sound of the current phrase. Not limited to this, for example, the LED corresponding to the key depression sound of a predetermined number (2, 3) notes before the end of the current phrase, a predetermined time before the end of the current phrase, or a predetermined number of beats before the end of the current phrase is blinked. In response to this, all LEDs corresponding to the key depression sound of the next phrase may be lit and displayed. Further, the LED corresponding to the key depression sound of the next phrase may be lit in a time-series manner according to the order of key depression, or may be gradually lit according to the progress status of the current phrase.

In the above embodiment, the case where the key depression instruction is given using the LED has been described, but the present invention is not limited to this, and L
The key depression instruction may be given to a CD or the like by using a graphic symbol such as a black circle or a white circle. In the above embodiment, 1
The case where all the LEDs corresponding to the key pressing sound of each phrase are turned on has been described, but the present invention is not limited to this, and the blinking LE
Predetermined range from D (eg octave range, or 10 cm
Etc.) may be turned on.

In the above-described embodiment, the electronic musical instrument having the display portion near the upper side of the keyboard has been described as an example, but only the display portion is provided to the musical instrument having no display portion to issue the key depression instruction as described above. You may do it. Further, in the above-described embodiment, when the key instructed to press a key is actually pressed, the key press instruction and the actual key press operate synchronously so as to proceed to the next key press instruction. Although the case has been described, the key pressing instruction and the actual key pressing may be performed independently of each other. Further, in the above-described embodiment, the explanation is made on the assumption that the track number "0" stores the performance data relating to the right hand key pressing and the track number "1" stores the left hand key pressing, but the present invention is not limited to this. Needless to say, the corresponding track number may be changed appropriately.

In the above-mentioned embodiments, the case where the LED is lit with one color has been described, but an LED capable of lighting with two or more colors may be used. In this case, the LEDs of different colors may be turned on between the right hand key depression instruction and the left hand key depression instruction. Also, different colors may be lit between the phrase lit LED lighting and the key depression lit LED lighting. Further, the brightness corresponding to the phrase may be different so that the LED lighting corresponding to the phrase is dark and the LED lighting corresponding to the key depression is brighter than that. Contrary to the above-described embodiment, the phrase corresponding LED may be turned on and the key pressing corresponding LED may be displayed in a blinking manner. In the above embodiment, the case where the LEDs are arranged in one row has been described, but the LEDs may be arranged in two rows above and below. In this case, the lighting color may be different in the vertical direction, or one of the LEDs may be used for phrase and the other LED may be used for key depression. Further, the white key and the black key may have different colors.

When a key instructed to be depressed is depressed, the LED corresponding to the depressed key may be turned off. Further, the phrase-corresponding LED may not be displayed throughout the phrase, but may be displayed only during a certain predetermined period. For example, it is displayed only for a moment at the phrase switching time, is displayed for a predetermined time after the phrase switching time, or is displayed until the first key-pressed key is pressed from the phrase switching time, A predetermined number (2,
3) The note may be displayed until a key is pressed, or may be displayed until a predetermined number of beats elapses from the phrase switching time. Further, the phrase-corresponding LED may blink in a cycle longer than the key-depression-corresponding LED blinking cycle.

In the above embodiment, the phrase division method is described in which the phrase is divided at a place where the gate-off time is longer than the predetermined time, but the present invention is not limited to this, and the phrase may be divided in units of measures. Needless to say. Further, in the above-described embodiment, the case where the LED corresponding to the key to be currently depressed is displayed in blinking has been described. You may. In this case, the lighting method may be a combination of the various lighting displays described above. For example, the brightness and color of the LED corresponding to the key to be pressed now and the key to be pressed next may be made different, or the LEDs are arranged in two rows, one of which is used for phrase and the other of which is used. It is conceivable that the LED corresponding to the key to be pressed is blinked and the LED corresponding to the key to be pressed next is turned on.

[0106]

According to the present invention, the performer can easily understand where on the keyboard the fingers should be placed. Further, since the key to be pressed at the same time as the key to be pressed next can be known, the player can perform a smooth and smooth performance.

[Brief description of drawings]

FIG. 1 is a diagram schematically showing an operation example of how an electronic musical instrument with a key depression instruction function according to the present invention emits an LED to issue a key depression instruction.

FIG. 2 is a block diagram showing a hardware configuration example of an electronic musical instrument with a key depression instruction function according to an embodiment of the present invention.

FIG. 3 is a diagram showing a configuration example of performance data for one track stored in the performance information memory of FIG.

FIG. 4 is a diagram showing an example of a main routine processed by a microcomputer.

FIG. 5 is a diagram showing details of the comparison progress processing in step 46 of FIG.

FIG. 6 is a diagram showing details of a key depression instruction and automatic performance start processing in step 4G of FIG.

FIG. 7 is a diagram showing details of phrase division processing in step 49 of FIG.

FIG. 8 is a diagram showing an interrupt process executed by interrupting 96 times per bar.

9 is a diagram showing details of the reproduction process in step 83 of FIG.

10 is a diagram showing details of the data processing of step 99 of FIG.

FIG. 11 is a diagram schematically showing another example of a key depression instruction operation performed by the electronic musical instrument with a key depression instruction function according to the present invention.

FIG. 12 is a diagram schematically showing still another example of the key depression instruction operation performed by the electronic musical instrument with the key depression instruction function according to the present invention.

[Explanation of symbols]

1 ... CPU, 2 ... Program memory, 3 ... Working memory, 4 ... Performance information memory, 5 ... Key detection circuit, 6 ... Display circuit, 7 ... Switch detection circuit, 8 ... Interface, 9 ... Sound source circuit, 11 ... Keyboard , 12 ... Display, 13 ...
Switch group, 14 ... Disk, 15 ... Digital-analog converter, 16 ... Sound system, 17 ... Timer, 1
8 ... Data and address bus

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[Procedure amendment]

[Submission date] November 22, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

In the fourth invention, the control means of the display means corresponding to the pitch information of all performance information existing in the first time section (current phrase) among the plurality of time sections divided by the dividing means. While the display location is being displayed as the music progresses, the display location of the display means corresponding to the pitch information of all performance information existing in the second time section (next phrase) next to the first time section is simultaneously displayed. I am letting you. That is, when the performance operator is composed of a keyboard and the display means is composed of a light emitting diode, the control means according to the fourth invention causes the current phrase when the progress of the music is switched from the current phrase to the next phrase. While the corresponding LED is lit, the LEDs corresponding to the next phrase are turned on at the same time. Therefore,
Before the progress of the musical composition is switched from the current phrase to the next phrase, all the display portions of the display means corresponding to the pitch information of all the performance information existing in the current phrase and the next phrase are lit, so that the phrase is not changed. The position of the next phrase can be recognized, and the visibility when the phrase changes can be improved. Note that the following are the preferred embodiments of the fourth invention. The control means simultaneously displays the display location of the display means corresponding to the pitch information of all the performance information existing in the second time section at the key depression timing of the pitch information N pieces before the end of the first time section. You may let me.
Further, the control means, while displaying the first display portion of the display means corresponding to the pitch information of all performance information existing in the first time section, within the second time section from the first display location. Second display means corresponding to pitch information of all performance information existing in
The third display area up to the display area is displayed sequentially from the first display area to the second display area, and then the second display area is displayed.
The display location of may be displayed.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction content]

In the fifth invention, the control means has the first display means corresponding to the pitch information of all the performance information existing in the first time section among the plurality of time sections divided by the dividing means. When the display location is switched to the second display location of the display means corresponding to the pitch information of all performance information existing in the second time section next to the first time section, the first display is performed. The third display locations existing from the location to the second display location are sequentially displayed from the first display location to the second display location. That is, when the performance operator is composed of a keyboard and the display means is composed of a light emitting diode, the control means according to the fifth invention causes the current phrase to change when the progress of the music changes from the current phrase to the next phrase. The light emitting diode groups existing between the corresponding light emitting diode group and the next phrase corresponding light emitting diode group are sequentially lit and displayed from the current phrase corresponding light emitting diode group toward the next phrase corresponding light emitting diode group. Therefore, when the progress of the music changes from the current phrase to the next phrase,
The position of the next phrase can be easily recognized.

Claims (11)

[Claims] 1. A plurality of performance operators, display means provided corresponding to the plurality of performance operators, and performance information supply means for supplying performance information including pitch information indicating at least a pitch. Dividing means for dividing the performance information into a plurality of time intervals according to the contents thereof; An electronic musical instrument with a key-depression instructing function, characterized in that the electronic musical instrument is provided with a control means for simultaneously displaying the music as it progresses. 2. A plurality of performance operators, display means provided corresponding to the plurality of performance operators, and performance information supply means for supplying performance information including pitch information indicating at least a pitch. A dividing unit that divides the performance information into a plurality of time sections; and a display unit that corresponds to pitch information of all performance information existing in a time section that includes a time point of the music in the plurality of time sections. An electronic musical instrument with a key-depression instructing function, comprising: a first control means for displaying a display portion in a first display mode during a period corresponding to the time section. 3. A second control means for displaying, in a second display mode, a display portion of the display means corresponding to the pitch information to be depressed in response to the progress of the music. The electronic musical instrument with a key depression instruction function according to claim 2. 4. A plurality of performance operators, display means provided corresponding to the plurality of performance operators, and performance information supply means for supplying performance information including pitch information indicating at least a pitch. A dividing unit that divides the performance information into a plurality of time sections; and a display unit that corresponds to pitch information of all performance information existing in a time section that includes a time point of the music in the plurality of time sections. The display portions are simultaneously displayed in the first display mode in the time section, and the display portion of the display means corresponding to the pitch information to be pressed in correspondence with the progress of the music is displayed as the second display portion.
The electronic musical instrument with a key depression instruction function, comprising: 5. When a key corresponding to the display means being displayed in the second display mode is depressed, the display means corresponding to the depressed key is again displayed in the first display mode. The electronic musical instrument with a key depression instruction function according to claim 3 or 4, which is displayed. 6. The method according to claim 3, wherein the first display mode is to display the display means in a lighted state, and the second display mode is to display the display means in a blinking manner. Electronic musical instrument with key depression instruction function described in. 7. The key pressing instruction according to claim 6, wherein when the blinking display is performed in the second display mode, if the display time is short, the blinking is performed in the order of turning off, turning on, and turning off. Electronic musical instrument with functions. 8. A plurality of performance operators, display means provided corresponding to the plurality of performance operators, and performance information supply means for supplying performance information including pitch information indicating at least a pitch. Dividing means for dividing the performance information into a plurality of time intervals; and a display location of the display means corresponding to pitch information of all performance information existing in a first time interval of the plurality of time intervals. And a control means for simultaneously displaying the display location of the display means corresponding to the pitch information of all the performance information existing in the second time section following the first time section during the display according to An electronic musical instrument with a key depression instruction function, which is characterized by: 9. The control means corresponds to the pitch information of all performance information existing in the second time section at the key depression timing of the pitch information N pieces before the end of the first time section. 9. The electronic musical instrument with a key pressing instruction function according to claim 8, wherein the display portion of the display means is displayed at the same time. 10. The control means, while displaying the first display location of the display means corresponding to the pitch information of all performance information existing in the first time interval, displays the first display location from the first display location. The third to the second display location of the display means corresponding to the pitch information of all performance information existing in the second time section.
10. The key depression instruction function according to claim 9, wherein the second display location is displayed after sequentially displaying the display location from the first display location toward the second display location. Electronic musical instrument with. 11. A plurality of performance operators, display means provided corresponding to the plurality of performance operators, and performance information supply means for supplying performance information including pitch information indicating at least a pitch. Dividing means for dividing the performance information into a plurality of time intervals, and a first display of the display means corresponding to pitch information of all performance information existing in a first time interval of the plurality of time intervals. When the location is switched to the second display location of the display means corresponding to the pitch information of all performance information existing in the second time section next to the first time section, the first section is displayed. And a control means for sequentially displaying the third display locations existing from the display location of the second display location to the second display location of the first display location. Electronic musical instrument with key depression instruction function.