JPH0720862A - Automatic playing device - Google Patents

Abstract

PURPOSE:To improve the operability by making the position on music constant from the interruption of playing operation by a player to the sounding of a musical tone of a minus-one part even if the tempo of the automatically played music changes. CONSTITUTION:A control part 101 outputs manual musical performance data corresponding to a musical performance on a keyboard part 102 to a manual sound source part 104 and a 1st musical performance data read part 106 reads 1st musical performance data corresponding to a musical tone of a part other than the minus-one part stored in a 1st musical performance data storage part 105 and outputs it to a 1st automatic sound source part 107, so that the both perform sounding operation. Further, the control part 101 reads 2nd musical performance data corresponding to the musical tone of the minus-one part out of a 2nd musical performance data storage part 108 through a 2nd musical performance data read part 109 and outputs the 2nd musical performance data to a 2nd automatic sound source part 110 after the point of time when note-ON data as 2nd musical performance data coming as 3rd data after the interruption of keying operation at a keyboard part 102 is taken in.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic performance device for controlling an automatic performance performed in accordance with a performance of a performer.

[0002]

2. Description of the Related Art There are many electronic musical instruments capable of automatically performing music in accordance with the performance of a performer. Among them, in particular, a specific part of a music sound to be automatically played, for example, a specific tone having a specific tone color. There is known an electronic musical instrument with an automatic performance function that has a function of cutting off the sound emission of the music sound of the melody sound part, so-called minus one function.

By using the minus one function as described above, the performer automatically plays by playing the music sound of the above-mentioned cut part (minus one part) in accordance with the music sound to be automatically played. It is possible to perform ensemble with the music sound.

In the electronic musical instrument with the automatic performance function having the minus one function described above, when the performer interrupts the performance because he / she does not understand the musical sound to be played in the middle, only the musical sound of the parts other than the minus one part is produced. It will be emitted by the automatic performance. In such a case, the player must operate the switch so that the music sound of the minus one part is emitted each time, and confirm the music sound, which deteriorates the operability. I will end up.

Therefore, in order to solve such poor operability, conventionally, when the above-mentioned minus one function is activated,
There is a known electronic musical instrument with an automatic performance function that is equipped with a so-called assist function that automatically outputs a minus one-part music sound when the performer does not perform any operation for a certain period of time. ing.

[0006]

However, in the prior art of the electronic musical instrument with the automatic performance function equipped with the above-mentioned assist function, the music sound of the minus one part is generated when the performer does not perform the performance operation for a certain period of time. Since it operates so as to be emitted, the timing from when the performer interrupts the performance operation until the minus one-part song sound is emitted changes depending on the tempo of the automatically played song. .

For example, when the assist function is applied to the music sound of the minus one part shown in FIG. 10 (a), for example, the tempo is set to 60 (60 quarter notes per minute). If, for example, note-on data is read from the automatic performance memory at the timing indicated by A in FIG. 10 (b). On the other hand, the performer performs a key depression operation or the like on the keyboard at the timing indicated by B in FIG. 10 (b), and after the key depression operation corresponding to the note a in FIG. 10 (a), the performance is interrupted. Suppose you have done so. in this case,
After the note-on data corresponding to the note a is output, a note b of FIG. 10 (a) at a time when a certain time, for example, 3 seconds has elapsed
10 (b) based on the note-on data read from the automatic performance memory after the note-on data corresponding to
As indicated by C, the minus one-part music sound is emitted from the sound source.

On the other hand, when the tempo is set to 100, for example, the timing at which the note-on data is read from the automatic performance memory is 60 when the tempo is 60, which is A in FIG. 10 (c) in comparison with
It becomes faster as shown in D. Then, the performer performs a key depression operation on the keyboard at the timing indicated by E in FIG. 10 (c), and similar to the case where the tempo is 60, the key depression operation corresponding to the note a in FIG. 10 (a). Later, assume that you have interrupted the performance. In this case, after the note-on data corresponding to the note a is output, at a time point when a certain time, for example, 3 seconds has elapsed, the note-on data corresponding to the note b in FIG. Without the note c in Figure 10 (a)
Becomes the note-on data corresponding to, and after that note-on data, based on the note-on data read from the automatic performance memory, as shown by F in FIG. It will be emitted from the sound source.

As described above, according to the prior art, the timing from when the performer interrupts the performance operation until the minus one-part music sound is emitted changes depending on the tempo of the music that is automatically played. Therefore, the performer will
If the tempo is changed on the way, there is a problem that it becomes impossible to practice the music sound in the same state.

SUMMARY OF THE INVENTION The object of the present invention is to improve the musical composition from the time when the performer interrupts the performance operation until the tone sound of the minus one part is emitted even if the tempo of the automatically performed musical composition changes. It is to improve the operability by keeping the position constant.

[0011]

According to the present invention, first, performance data detecting means (keyboard section 102, which detects performance data corresponding to a performance operation (key operation of a keyboard, etc.) performed by a performer.
It has a control unit 101).

Next, there is provided performance data storage means (second performance data storage section 108) for storing performance data (note-on / off data) corresponding to music sounds of a predetermined part (minus one part).

Further, there is provided performance data reading means (second performance data reading section 109) for sequentially reading performance data from the performance data storage means. Further, it is determined that the performance data read-out means has read out a predetermined number (for example, three) of performance data of a predetermined type after the performer interrupted the performance operation, and thereafter, the performance data read-out means reads out the performance data as a musical tone. It has performance data output means (control section 101) for outputting to the predetermined musical sound generation means (second automatic tone generator section 110) etc. as performance data for generation. This predetermined type of performance data is, for example, performance data such as note-on data that indicates the start of sounding, or performance data that indicates the break position of a piece of music such as bar line data.

In the above configuration of the invention, the performance data output means may be configured to stop the performance data output thereafter when the performer restarts the performance operation after starting the performance data output. it can.

Further, in the structure of the invention so far, it is possible to further comprise the following means. First, it has a second performance data storage means (first performance data storage unit 105) for storing performance data corresponding to music sounds of parts other than a predetermined part (minus one part).

Next, a second performance in which the performance data is read from the second performance data storage means and is output to a predetermined musical tone generating means (first automatic tone generator 107) as performance data for musical tone generation. It has a data reading means (first performance data reading unit 106).

[0017]

The performance data corresponding to the performance operation by the performer is detected by the performance data detecting means, and if necessary, a musical tone based on the performance data and a musical tone of a part other than the minus one part are generated as predetermined musical tones. Generated by means. In this case, the performer generates, for example, a minus one-part music sound by performing a performance operation.

If the performer interrupts the performance operation in this state, the performance data output means reads the performance data after the performance data detecting means no longer detects the performance data corresponding to the performance operation by the performer. Determines that a predetermined number of predetermined types of performance data (indicating the start of sounding or indicating the delimiter position of music) has been read, and thereafter, the performance data read out by the performance data reading means is output to a predetermined tone generating means. As a result, thereafter, the musical tone generating means or the like starts to generate, for example, a minus one-part musical tone to be performed by the performer.

Further, the player can return to the state in which the minus one-part music sound is not generated again by restarting the performance operation after the generation of the minus one-part music sound is started. Can be configured.

[0020]

Embodiments of the present invention will now be described in detail with reference to the drawings. Configuration FIG. 1 is an overall configuration diagram of an embodiment of the present invention.

The control unit 101 operates based on a control program stored in a ROM (not shown) included in the control unit 101, scans the keyboard unit 102 and the switch unit 103, and captures the operation state of each key. In accordance with these operation states, the manual performance data corresponding to the performance operation on the keyboard 102 is output to the manual tone generator 104.
Further, the control unit 101 instructs the first performance data reading unit 106 to read the first performance data according to the setting state of the switch unit 103. In addition, the control unit 101 instructs the second performance data reading unit 109 to read the second performance data according to the operating states of the keyboard unit 102 and the switch unit 103, and loads the second performance data reading unit 109. If it is determined that the minus one-part music sound corresponding to the second performance data is to be pronounced, the second
The performance data is output to the second automatic tone generator 110.

The electronic musical instrument of this embodiment has two modes, a manual mode for only manual performance and an automatic performance mode for performing automatic performance including a minus one function and an assist function. The reading unit 109, based on an instruction from the control unit 101, in the automatic performance mode,
From the second performance data storage unit 108, the second performance data corresponding to the music sound of the minus one part is read out and output to the control unit 101.

The first performance data reading unit 106 includes the control unit 1.
Based on the instruction from 01,
From the performance data storage unit 105, the first performance data corresponding to the music sound of the part other than the minus one part is read,
It is output to the first automatic sound source unit 107.

The manual tone generator 104 generates musical tone waveform data corresponding to a key depression operation performed by the performer on the keyboard 102 based on the manual performance data from the controller 101, and corresponds to the musical tone waveform data. The musical sound is emitted from the speaker 112 via the output unit 111.

In the automatic performance mode, the first automatic tone generator 107 generates musical tone waveform data corresponding to music sounds of parts other than the minus one part, based on the first performance data from the first performance data read-out unit 106. Then, the musical tone corresponding to the musical tone waveform data is emitted from the speaker 112 via the output unit 111.

In the automatic performance mode, the second automatic tone generator section 110, based on the second performance data output from the second performance data reading section 109 via the control section 101 under a specific condition, the music of the minus one part. The musical tone waveform data corresponding to the sound is generated, and the musical tone corresponding to the musical tone waveform data is emitted from the speaker 112 via the output unit 111.

Next, FIG. 2 shows the storage data of the first performance data stored in the first performance data storage unit 105 or the second performance data stored in the second performance data storage unit 108 for automatic performance. It is the figure which showed the form.

TOP, TOP + 1, TOP + 2, ...
., BTM-1, and each address shown as BTM
It corresponds to one automatic performance event, and each address corresponds to the order of occurrence of the automatic performance event. And
At each address, note-on data or note-off data, a note number indicating a pitch for specifying a musical tone to be sounded, and an event time indicating a time interval until the next note-on / off data are stored. There is. Operation Principle The operation principle of the embodiment of the present invention having the above-mentioned configuration will be described with reference to the principle explanatory diagram of FIG.

For example, FIG. 10 in the description of the prior art.
The case where the assist function is applied to the music sound of the minus one part shown in FIG.

The control section 101 synchronizes with a tempo preset by a tempo switch (not shown) of the switch section 103, and from the second performance data storage section 108 to the FIG. The note-on data, which is the second performance data, is read at the timing indicated by A in (b). At this point, the control unit 101 does not output the second performance data loaded from the second performance data reading unit 109 to the second automatic tone generator 110.

On the other hand, the player performs the first automatic tone generator section 107 based on the first performance data read from the first performance data storage section 105 via the first performance data reading section 106.
In accordance with the automatic accompaniment sound emitted from the speaker 112 via the output unit 111, a key depression operation is performed on the keyboard unit 102 at the timing shown by B in FIG. 3B. Control unit 101
Outputs the manual performance data corresponding to this key depression operation to the manual tone generator 104. As a result, the musical tone corresponding to the key pressing operation is emitted from the manual sound source unit 104 via the output unit 111 at the timing shown by B in FIG. 3B.

After that, the player performs a key depression operation corresponding to the note a in FIG. 3 (a), and then, as shown in B in FIG. 3 (b),
It is assumed that the key depression operation is interrupted. In this case, the control unit 101 counts how many note-on data has been fetched from the second performance data reading unit 109 after the key depression operation corresponding to the note a and before the next key depression operation is performed. Then, the control unit 101 sets the note-on data to 3 after the time when the count value becomes 2 as shown by C in FIG. 3B, that is, in a state where no key operation is performed.
After reading the note-on data corresponding to the note b in FIG. 3 (a), which is the time when the second performance data is read, the second performance data read from the second performance data reading unit 109 is converted into the second performance data shown in FIG.
Output to the second automatic sound source section 110.

As a result, after that point, the second automatic tone generator 110 starts outputting the minus one-part music sound from the output unit 111 and the speaker 112. As described above, the second performance data captured after the third note-on data is captured after the key depression operation is interrupted is started to be output to the second automatic tone generator 110. The number of note-on data from when the key depression operation is interrupted until when the output of the second performance data to the second automatic tone generator 110 is started does not change even if the tempo changes.
For this reason, the position on the music from when the key depression operation is interrupted until the emission of the minus one part music sound is started,
It can be fixed regardless of the tempo, and the performer can always practice the music sound even if the tempo is changed. Specific Operation A specific operation of the embodiment of the present invention based on the above-described configuration and operation principle will be described below.

FIG. 4 is a main operation flow chart showing the overall operation of the control operation executed in the control unit 101 of FIG. This operation flow is realized as an operation in which the control unit 101 executes a control program stored in a ROM (not shown) or the like.

First, when the power of the device is turned on, the control unit 101 executes an initial process in step S401. An operation flowchart of this initial processing is shown in FIG.

First, in step S501, an automatic performance flag JF for indicating whether or not the automatic performance mode is currently set is initially set to a value 0 indicating that the manual performance mode is in effect.

Next, in step S502, the flag NF indicating that the tone waveform data of the minus one part is being generated is initialized to a value 0. This flag NF will be described later. Returning to FIG. 4, the control unit 101 performs step S401.
After execution of, the processing of steps S402 to S406 or S407 is repeatedly executed.

First, the control unit 101 performs step S402.
In the switch scan processing of 1, the setting state of the switch unit 103 in FIG. 1 is scanned and the setting state is fetched. Next, in the switch process of step S403, the control unit 101 executes a process of instructing a tone color to the manual sound source unit 104 or the like based on the operation of a tone color switch (not shown). Further, the control unit 101 executes a process shown in an operation flowchart of FIG. 6 described later, which is a part of the switch process of step S403 and is a process related to the present invention.

The control unit 101 also executes step S404.
In the key scanning process, the key pressing state of the keyboard 102 of FIG. 1 is scanned and the key pressing state is fetched. Subsequently, in the key process of step S405, the control unit 101 executes the process shown in the operation flowchart of FIG. 7, which will be described later, corresponding to the above-mentioned key depression state.

Further, the control unit 101 performs step S406.
Then, it is determined whether or not the automatic performance flag JF is the value 1 indicating the automatic performance mode at present, and if the determination is YES,
The second automatic performance process of step S407, that is, the process shown in the operation flowchart of FIG. 8 described later is executed.

After that, the control section 101 performs step S40.
Return control to execution of 2. Although not particularly shown, the first performance data reading unit 106 also executes a first automatic performance process together with the process of the main operation flowchart of the control unit 101 described above.

FIG. 6 is an operation flowchart of a part of the switch processing S403 of FIG. 4 related to the present invention. Here, setting and cancellation of the automatic performance mode are performed.

First, in step S601, it is determined whether or not an automatic performance switch (not shown) in the switch section 103 of FIG. 1 is turned on. If the automatic performance switch is turned on and the determination in step S601 is YES,
In step S602, it is determined whether or not the value of the automatic performance flag JF has been 0 up to now, that is, whether or not the automatic performance mode has been up to now. If the determination in step S602 is YES instead of the automatic performance mode up to 11, step S6
The processing from 03 to S607 is executed.

That is, first, in step S603, the value of the automatic performance flag JF is set to the value 1 indicating that the automatic performance mode 13 is set. In step S604, the value of the timer register TIM for automatic performance control is reset to 0. The timer register TIM is provided in the control unit 101.

In step S605, the second performance data reading unit 109 is set to the second register for the address register ADR.
The start address TOP of the second performance data in the performance data storage unit 108 is set.

In step S606, a counter register CTR for determining the start of playing the minus one part
Is reset to 0. Counter register CTR
Are provided in the control unit 101.

Then, in step S607, the first performance data reading unit 106 is instructed to start the first automatic performance. On the other hand, if the determination in step S602 is NO in the automatic performance mode so far, steps S608 to S61.
Process 2 is executed.

That is, first, in step S608, the value of the automatic performance flag JF is set to a value 0 indicating that the automatic performance mode is not set. Next, in step S609, it is determined whether or not the value of the flag NF is currently 1.

If the determination in step S609 is YES, steps S610 and S611 are executed, and step S60
If the determination of 9 is NO, steps S610 and S611 are not executed. The processing of these steps will be described later.

In step S612, the first performance data reading section 106 is instructed to end the first automatic performance. With respect to the above-described processing, the second automatic performance processing is executed in step S407 of the main operation flowchart of FIG. 4 described later, but the first automatic performance processing is autonomously performed by the first performance data reading unit 106. Is executed.

That is, when the first performance data reading section 106 receives the instruction to start the first automatic performance from the control section 101 (see step S607 in FIG. 6), the following autonomous first automatic performance is performed. Start processing.

First, the first performance data reading unit 106 uses the start address of the first performance data in the first performance data storage unit 105 as note-on / off data, note number, and event time as the first performance data. Is read out and the note-on / off data and the note number are output to the first automatic tone generator 107. As a result, the first automatic tone generator 107 starts or ends the generation of the musical tone waveform data for automatic accompaniment corresponding to the note-on / off data and the note number. At the same time, the first performance data reading unit 106 sets the event time in an internal timer. After that, the value of this timer is decremented at regular intervals. And when the value of this timer becomes 0,
The next note-on / off data, note number, and event time are read, and the same operation as described above is repeated. In this way, the automatic accompaniment sound based on the first performance data is emitted from the speaker 112 from the first automatic tone generator 107 via the output unit 111. This automatic accompaniment sound is
Corresponding to the music sound of parts other than minus one part, it is always emitted during the automatic performance mode.

The first performance data reading section 106 includes the control section 1
When the instruction to end the first automatic performance is received from 01 (see FIG.
(See step S612) of FIG. 10), and the above-described first automatic performance process ends.

Next, FIG. 7 is a detailed operation flowchart of the key processing in step S405 of FIG. First, in step S701, as a result of the key scanning process in step S404 of FIG. 4, it is determined whether or not any key on the keyboard 102 has been depressed.

If the determination in step S701 is no, steps S702 to S704 are not executed, but Y
In the case of ES, these processes are executed. In step S702, it is determined whether or not the value of the automatic performance flag JF is 1, that is, whether or not the automatic performance mode is currently set.

If the determination in step S702 is YES, the value of the counter register CTR for determining the start of playing the minus one part is reset to 0 in step S703. The function of the counter register CTR will be described later in the description of the second automatic performance process of FIG.

If the determination in step S702 is NO, or after the processing in step S703, in step S704,
By outputting the manual performance data indicating the note-on in which the note number corresponding to the depressed key is set to the manual tone generator 104, the musical tone corresponding to the key depressed to the manual tone generator 104 is reproduced. Pronunciation instructions are given.

Next, if the determination in step S701 is NO, or after the processing in step S704, step S70.
5, it is determined as a result of the key scanning process in step S404 of FIG. 4 whether or not any key on the keyboard 102 has been released.

If the determination in step S705 is NO, the key processing of step S405 in FIG. 4 is terminated, but if the determination is YES, step S706 is executed.
In step S706, the manual performance data indicating the note-off in which the note number corresponding to the released key is set is output to the manual tone generator 104, so that the key released to the manual tone generator 104 is selected. An instruction to mute the corresponding musical sound is given.

After this processing, the key processing of step S405 of FIG. 4 is terminated. Next, FIG. 8 shows step S4 of FIG.
It is a detailed operation flowchart of the second automatic performance processing of 07. Here, the control unit 101 reads the second performance data from the second performance data reading unit 109, and determines whether or not the three note-on data is read in a state in which the player does not perform a key depression operation on the keyboard unit 102. The determination process, and if the determination is affirmative, by outputting the second performance data read from the second performance data reading unit 109 thereafter to the second automatic tone generator 110, the second automatic tone generator A process for causing the unit 110 to execute the second automatic performance is executed.

First, in step S801, the control unit 10
It is determined whether the value of the timer register TIM in 1 has become 0. The value of this register is reset to 0 in step S604 of FIG. 6 in the switch processing of step S403 of FIG. 4 when the automatic performance mode is first set. Therefore, when the automatic performance is started, the determination in step S801 is YES.

As a result, in step S802, the address register A for the second performance data reading unit 109 is read.
It is instructed to read the second performance data from the address of the second performance data storage unit 108 indicated by the value of DR.

The value of the address register ADR is set in step S4 of FIG. 4 when the automatic performance mode is first set.
In step S605 of FIG. 6 in the switch processing of 03, the start address TOP of the second performance data is set (see FIG. 2). Therefore, at the start of automatic performance,
In step S802, one set of, for example, the note-on data at the beginning, the note number, and the event time is read as the second performance data.

In step S803, the read second
It is determined whether the performance data indicates note-on or note-off. At the start of the automatic performance, the second performance data read out first always indicates the note-on. Therefore, at the start of the automatic performance, it is determined that the second performance data indicates note-on, and the step S
804 is executed.

Succeedingly, in a step S803, it is determined whether or not the value of the counter register CTR is 2. The value of this register is reset to 0 in step S606 of FIG. 6 in the switch processing of step S403 of FIG. 4 when the automatic performance mode is first set. Therefore, at the start of automatic performance, step S80
The determination of 4 is NO, and step S805 is executed.

At step S805, the value of the counter register CTR is incremented by one. Next, in step S811, the event time of the second performance data read in step S802 is set in the timer register TIM.

Then, in step S812, the address register ADR in the second performance data reading section 109 indicates the final address BTM (see FIG. 2) of the second performance data stored in the second performance data storage section 108. It is determined whether or not there is.

If the determination in step S812 is NO, the value of the address register ADR in the second performance data reading section 109 is incremented by 1 in step S813, and step S801.
Returning to step 3, since the event time has just been set in the timer register TIM, the determination is NO, and the second automatic performance process of step S407 in FIG. 4 is ended.

Thereafter, each processing of the main operation flowchart of FIG. 4 is repeatedly executed, and the second operation of step S407 is executed.
Each time the automatic performance process is executed, step S80 in FIG.
The determination process of 1 is repeated, and if the value of the timer register TIM is not 0, the second automatic performance process of step S407 ends immediately. During this time, the timer register T
The value of IM is set in step S by the interrupt process shown in the operation flowchart of FIG. 9 which is executed based on the interrupt from the hard timer in the control unit 101 at regular time intervals.
The value is decremented by 1 in step S902 until it is determined in 901 that the value becomes 0. And
When the time of the event time set in the timer register TIM elapses and the value of the timer register TIM becomes 0, the determination in step S801 of FIG. 8 becomes YES.

As a result, in step S802, the second performance data reading unit 109 receives a new data from the address of the second performance data storage unit 108 indicated by the value of the address register ADR which is sequentially incremented in step S813. 2 Reading of performance data is instructed. Then, after executing the processing of steps S803 to S810, step S
In step 811, the timer register TIM is set to step S802.
The event time of the newly read second performance data is set in step S8, and step S8 is executed through step S812.
After the value of the address register ADR is incremented by 1 in 13,
When the determination in step S801 is NO, the second automatic performance process of step S407 in FIG. 4 is ended.

As described above, the control unit 101 controls the second
The second performance data is sequentially read from the second performance data storage unit 108 via the performance data reading unit 109 at a timing based on the event time.

During the repetition of the above-mentioned processing, every time the performer performs a key-depressing operation on the keyboard section 102, in step S703 of FIG. 6 in the key processing of step S405 of FIG.
The value of the counter register CTR is reset. Therefore, if the performer is performing a key-depressing operation on the keyboard 102, and if it is determined that the second performance data read in step S803 of FIG. 8 indicates note-on, the determination in step S804 is always performed. It becomes NO. Therefore, the process of step S806 is not executed, the second performance data is not output to the second automatic tone generator 110, and the minus one-part music sound is not emitted. Further, since the process of step S807 is not executed, the value of the flag NF remains reset to 0 in step S502 of FIG. 5 in the initial process of step S401 of FIG. 4 when the power is turned on. Therefore, when it is determined that the second performance data read in step S803 indicates note-off, the determination in step S808 is NO, and the second performance data indicating note-off is also the second automatic tone generator. It is not output to the section 110.

On the other hand, if the player interrupts the key depression operation on the keyboard 102, step S405 in FIG.
6 is NO in the key processing of FIG.
Since the step S703 is not executed, the value of the counter register CTR is not reset. Therefore,
When the performer interrupts the key depression operation on the keyboard unit 102, the step S80 in step S803 of FIG.
When it is determined that the second performance data read in 2 indicates note-on, the determination in step S804 is NO.
After that, in step S805, the counter register CT
As a result of sequentially incrementing the value of R, the value of the counter register CTR eventually becomes 2, and the determination in step S804 becomes YES. Therefore, in step S806,
The second indicating the note-on read in step S802
By outputting the performance data to the second automatic tone generator 110, the second automatic tone generator 110 is instructed to generate a musical tone corresponding to the second performance data. As a result,
Minus one part music sound comes to be emitted.
Further, the process of step S807 is also executed, and the flag NF
Is set to 1.

After that, if the performer does not press the key on the keyboard section 102, the value of the counter register CTR remains 2, so that the second step of step S407 in FIG.
Each time the automatic performance process is executed, step S80 in FIG.
If it is determined in step 3 that the second performance data read in step S802 indicates note-on, the determination in step S804 is YES and step S8
By outputting the second performance data indicating the note-on newly read in 02 to the second automatic tone generator section 110,
The second automatic tone generator 110 is instructed to generate the minus one-part music sound corresponding to the second performance data.

The value of the flag NF is set in step S807.
8 is set to 1 when the second automatic performance process of step S407 of FIG. 4 is executed without the player performing a key depression operation on the keyboard section 102, step S of FIG.
If it is determined in step 803 that the second performance data read in step S802 indicates note-off, the determination in step S808 is YES. As a result, in step S809, the second performance data indicating the note-off newly read in step S802 is output to the second automatic tone generator 110, so that the second automatic tone generator 110 performs the second performance. The instruction to turn off the music sound of the minus one part corresponding to the data is given. Further, in step S810, the value of the flag NF is reset to 0.

As described above, the second performance data acquired after the third note-on data is acquired after the key depression operation is interrupted is the second automatic tone generator section 11.
Output to 0, the second automatic tone generator 110 outputs to the output unit 1
From the speaker 112, the emission of the music sound of the minus one part is started via 11.

When the player restarts the key depression operation on the keyboard section 102 in the above state, the value of the counter register CTR is reset in step S703 of FIG. 6 in the key processing of step S405 of FIG. Therefore, thereafter, when it is determined that the second performance data read in step S803 of FIG. 8 indicates note-on, the determination in step S804 becomes NO and step S806.
Is no longer executed, and the output of the second performance data to the second automatic tone generator 110 is stopped. As a result, the music sound of the minus one part is not emitted again.

Here, the second performance data indicating note-on and a pair of second performance data output to the second automatic tone generator 110 before the player restarts the key depression operation on the keyboard 102. However, if the player reads the key in the keyboard 102 and then reads it in step S802, the value of the flag NF is 1, so the determination in step S808 is YES, and step S809 is performed.
Then, the second performance data indicating the note-off is output to the second automatic tone generator 110, and then the value of the flag NF is reset to 0 in step S810. As a result, before the player restarts the key depression operation on the keyboard 102, the second
The second performance data indicating the note-on output to the automatic tone generator 110 can prevent the minus one-part music sound from being emitted.

For the same reason as above, the performer switches the switch 1 while the minus one-part music sound is being emitted.
If the automatic performance switch 03 is turned off, the result of the determination in step S609 of FIG. 6 is YES in the switch processing of step S403 of FIG.
At 10, the second automatic tone generator 110 is instructed to mute the musical sound being generated, and then the value of the flag NF is reset to zero.

If the second performance data read in step S802 of FIG. 8 indicates note-off immediately after the player interrupts the key depression operation on the keyboard 102,
The value of the flag NF remains 0. Therefore, the determination in step S808 is NO, and the second performance data indicating the note-off is not output to the second automatic tone generator 110. This is because the second performance data indicating the note-off and the paired note-on is read before the performer interrupts the key depression operation on the keyboard section 102, and the second automatic tone generator section 110 receives the second performance data. This is because the second performance data indicating the note-off described above need not be output to the second automatic tone generator 110 because it is not output. Other Embodiments In the embodiment of FIG. 1 described above, the manual sound source unit 10
4, first automatic sound source unit 107, and second automatic sound source unit 110
Are configured as different functional blocks, however, one sound source unit may be configured to perform the above-described three types of sound source operations by time division processing.

Further, in the above-described embodiment, the second key is inputted after the predetermined number (three) of note-on data has been fetched since the key depression operation by the player was interrupted.
The performance data is started to be output to the second automatic tone generator 110, and the minus one-part music sound is started to be emitted. On the other hand, if the second performance data can include, for example, bar line data indicating the division of bar of music, a predetermined number of bar line data is taken in after the key pressing operation by the player is interrupted. It is also possible to configure so that the second performance data that is taken in after the point of time when the output is started to be output to the second automatic tone generator section 110. With such a configuration, it is possible to start the sound emission of the music sound of the minus one part at a place where the music is separated.

The present invention may be applied to other than keyboard instruments such as electronic string instruments.

[0083]

According to the present invention, the timing until the performance data corresponding to the music sound of the minus one part is output to a predetermined musical tone generating means or the like is a predetermined number after the player interrupts the performance operation. Since it is determined based on whether or not the performance data of the predetermined type (indicating the start of sounding or indicating the break position of the music) has been read out, the generation of the minus one-part music sound starts after the key depression operation is interrupted. The position on the musical piece until it is played can be made constant regardless of the tempo, and the performer can always practice the musical sound in the same state even if the tempo is changed.

Further, the player can return to the state in which the minus one-part music sound is not generated again by restarting the performance operation after the generation of the minus one-part music sound is started. It becomes possible to configure.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

FIG. 2 is a diagram showing a storage data format of performance data.

FIG. 3 is a diagram illustrating the principle of the embodiment of the present invention.

FIG. 4 is a diagram showing a main operation flowchart.

FIG. 5 is an operation flowchart of initial processing.

FIG. 6 is a partial operation flowchart of a switch process.

FIG. 7 is an operation flowchart of key processing.

FIG. 8 is an operation flowchart of a second automatic performance process.

FIG. 9 is an operation flowchart of interrupt processing.

FIG. 10 is an explanatory diagram of problems in the conventional technique.

[Explanation of symbols]

 101 Control Unit 102 Keyboard Unit 103 Switch Unit 104 Manual Sound Source Unit 105 First Performance Data Storage Unit 106 First Performance Data Reading Unit 107 First Automatic Sound Source Unit 108 Second Performance Data Storage Unit 109 Second Performance Data Reading Unit 110 Second Automatic sound source section 111 Output section 112 Speaker

Claims (5)

[Claims] 1. A performance data detection means for detecting performance data corresponding to a performance operation by a performer, a performance data storage means for storing performance data corresponding to a music sound of a predetermined part, and the performance data storage means. The performance data reading means for sequentially reading the performance data, and the performance data reading means for detecting a predetermined number of the predetermined types of performance after the performance data detecting means no longer detects the performance data corresponding to the performance operation by the performer. A performance data output means for determining that the data has been read, and thereafter outputting the performance data read by the performance data reading means as performance data for generating a musical tone. 2. The automatic performance device according to claim 1, wherein the predetermined type of performance data determined by the performance data output means is performance data indicating the start of sound generation. 3. The automatic performance device according to claim 1, wherein the predetermined type of performance data judged by the performance data output means is performance data indicating a delimiter position of a music piece. 4. The performance data output means, when the performer restarts the performance operation after starting the output of the performance data, thereafter stops the output of the performance data. The automatic performance device according to any one of claims 1 to 3. 5. A second performance data storage means for storing performance data corresponding to a music sound of a part other than the predetermined part, and the performance data sequentially read from the second performance data storage means, 5. The automatic performance device according to claim 1, further comprising: second performance data reading means for outputting as performance data for generating musical tones.