JP3156628B2 - Automatic performance device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic performance apparatus capable of repeatedly playing a specified section in a song or starting playing from a specified position in the song.

[0002]

2. Description of the Related Art As is well known, various automatic performance devices have been developed which automatically perform a performance in accordance with predetermined performance data. Some automatic performance devices of this type are capable of repeating all or part of a song. For example, in the automatic performance device disclosed in Japanese Patent Laid-Open No. A section can be arbitrarily specified and only this section can be repeatedly played.

[0003]

Conventionally, there has been known an automatic performance apparatus (hereinafter referred to as a pattern sequencer) of a type in which a plurality of pattern data are stored and their performance order is programmed in advance. In the performance apparatus, it is not possible to perform such a performance that the performance is started from an arbitrary position, such as a repetitive performance in an arbitrary section.

[0004] The present invention has been made under such a background, and an object of the present invention is to provide an automatic performance device that can start a performance from an arbitrary position in a music in a pattern sequencer type. .

[0005]

According to a first aspect of the present invention, there is provided a performance pattern data comprising event data indicating the occurrence of music and timing data for controlling the generation timing of the event data. A plurality of first storage means, wherein each of the performance pattern data is associated with pattern instruction data for instructing each of the performance pattern data,
Second storage means configured to store song data composed of pattern instruction data for instructing the performance pattern data and song timing data for controlling the timing of generation of the pattern instruction data, the second storage means being configured in accordance with the progress of the song; Second reading means for reading song timing data and pattern instruction data controlled by the song timing data from the second storage means, and the second reading means for reading from the first storage means. First reading means for reading timing data in the performance pattern data associated with the pattern instruction data and event data controlled by the timing data; and respective data read by the first and second reading means. Playing means for performing a performance based on Designating means for designating a position, when the desired position is designated by the designation unit, the following 1)
And 3) song position data indicating the storage position of the song timing data in the second storage device corresponding to the designated position of the designating device. Song time data indicating the time from the designated position until the next pattern instruction data of 1) is read out. 3) The storage position of the timing data in the first storage means corresponding to the designated position of the designation means. Pattern position data 4) pattern time data indicating the time from the specified position of the specifying means to the reading of the event data next to the event data of 3) from the position based on the data stored in the third storage means Instruction means for instructing to start playing, and a parameter stored in the third storage means when instructed by the instruction means. With start playing based on over down position data and song position data, the third on the basis of the stored pattern time data and song time data in the storage means,
Control means for controlling the performance means so as to perform the performance by the data stored in the first and second storage means following the pattern position data and the song position data stored in the third storage means. An automatic performance device is provided.

[0006] Further, according to a second aspect of the present invention, the control system
Means, when an instruction is given by the instruction means,
The data of the above 1) to 4) is stored in the third storage means.
If it is in the stored state, it is stored in the third storage means.
Based on the pattern position data and song position data
When the performance is started, the performance is stored in the third storage means.
Based on the pattern time data and song time data
Pattern position data stored in the third storage means;
First and second storage following the song position data
Means for performing a performance based on the data stored in the means.
2. The self-playing device according to claim 1, wherein the control is performed by playing means.
A dynamic performance device is provided.

[0007] The invention according to claim 3 is the third invention.
The data of the above 1) to 4) are stored in the storage means.
When an instruction is given by the instruction means in a state where
The position of the song in progress when the start instruction is given.
And fourth storage means for storing data related to the location.
The control means is instructed by the instruction means
The pattern position data stored in the third storage means.
Start playing based on the song and song position data
The pattern time data stored in the third storage means.
The third storage means based on data and song time data.
To the pattern position data and song position data stored in
Subsequent data stored in first and second storage means
And the performance is stored in the fourth storage means.
When the position indicated by the received data is reached, the third
From the position based on the data stored in the storage means
2. The control according to claim 1, wherein
To provide an automatic performance device.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. A: Configuration of Embodiment FIG. 1 is a block diagram showing the configuration of an automatic performance device according to an embodiment of the present invention. In this figure, 1 is a CPU
(Central processing unit), which controls each unit of the device connected via the bus 11. Details of the operation of the CPU 1 will be described later. 2 is ROM (read only memory)
And a control program executed by the CPU 1 and pattern data (described later) are stored. Reference numeral 3 denotes a RAM (read / write memory) used as a work area of the CPU 1, and temporarily stores pattern data and song data (described later) created by a user, in addition to various calculation results and register values.

Here, the pattern data is data representing an accompaniment pattern of one to several measures of music, and FIG. 2 shows an example of pattern data in a rhythm pattern. As shown in the figure, the pattern data includes a normal section NS repeatedly used during the performance, an intro section IS used in the intro part of the music, a fill-in section FS inserted in the middle of the music, and the ending of the music. Of the ending section ES used in the section.

Each of these sections is composed of note event data including data such as a note number indicating a type of percussion sound to be pronounced, a velocity indicating a sound intensity, and a duration (hereinafter referred to as a note) indicating a time interval between these note events. (Referred to as “duration”), and the note duration determines the timing at which the rhythm sound is generated. At the end of each section, end data is added, thereby separating the sections. The ROM 2 stores a plurality of such pattern data, and each pattern data is assigned a pattern number PN.

The song data is data representing a performance order based on the pattern data, and is stored, for example, in a data format shown in FIG. That is,
The song data includes a header portion describing a tempo, a pattern, an initial value of a section, etc. to be designated at the start of the performance, event data indicating a change in the pattern after the performance starts, and a duration (hereinafter, referred to as a time interval between events). , Song duration) data, and the generation timing of event data is determined by the song duration. As the event data, for example, data such as a pattern number representing a pattern type, a section number representing a section type such as the above-described normal and intro, and tempo data representing a change in tempo are described.

The minimum unit of the length in which the same pattern is played is one bar, and the song duration data is determined and stored so that the timing at which the pattern is changed coincides with the bar line timing. I have.

Returning to FIG. 1, the configuration of the embodiment will be described again. In the figure, reference numeral 4 denotes a timer, which generates an interrupt signal to be supplied to the CPU 1. The CPU 1 performs a timer interrupt process (described later) according to the interrupt signal supplied from the timer 4. This timer 4
Is equivalent to, for example, a time interval obtained by dividing a quarter note length into 24 equal parts, and this time interval is determined according to a designated tempo.

A panel switch 5 includes a start / stop switch, an all-repeat switch, and an AB switch.
It is composed of various switches (described later) such as switches. The on / off state of each of these switches is detected by the switch detection circuit 6, and this detection signal is supplied to the CPU 1.

Here, main switches (not shown) constituting the panel switch 5 will be described. First, the start / stop switch is a switch for instructing start and end of automatic performance. The all repeat switch is a switch that instructs all repeat, that is, a repeat performance from the beginning to the end of one music piece, and the AB switch is a switch that instructs a range in which one music piece is repeatedly performed. By using the all-repeat switch and the AB switch, for example, a repetitive performance in three modes shown in FIG. 4 can be performed.

First, when the all-repeat switch is turned on, as shown in FIG. 4A, a repetitive performance is performed from the beginning of the music to the end of the music. FIG. 4 (b)
As shown in (2), when an on operation is performed by the AB switch during the progress of the music and two different points A and B in the progress of the music are designated, the progress position of the music returns from the point B to the point A, and thereafter, the two points A, Between B is played repeatedly.

Further, as shown in FIG. 4 (c), the all-repeat switch is turned on to execute the all-repeat, and the second on-operation by the AB switch (point B in the figure) is performed for the first time. When the operation is performed at the beginning of the music from the ON operation (point A in the figure), the progress position of the music jumps from point B to point A. That is, in this case, the music is repeatedly performed while always omitting the performance between the two points B and A. Less than,
The repeated performance by the AB switch shown in FIGS. 4B and 4C is called AB repeat.

Other switches constituting the panel switch 5 include a pattern switch for designating a pattern number, a section switch for designating a section number, a tone switch for selecting a tone, a tempo switch for designating the tempo of performance, and a song. There is a song record switch and the like designated when recording data.

Returning to FIG. 1, the configuration of the embodiment will be described. In the figure, reference numeral 7 denotes a display circuit. The display circuit 7 converts data to be displayed such as various set values supplied from the CPU 1 into a displayable data format, and displays the data on a display device (not shown).

Reference numeral 8 denotes a sound source. This sound source 8 is C
A tone signal corresponding to performance data such as note event data supplied from the PU 1 via the bus 11 is generated. Reference numeral 9 denotes a D / A converter, which converts a digital tone signal supplied from the sound source 8 into an analog signal, and outputs the analog signal to the sound system 10. The sound system 10 has a D /
After performing a filtering process such as noise removal on the tone signal supplied from the A-converter 9, the tone signal is amplified and generated as a tone from a speaker.

B: Operation of Embodiment Next, the operation of the embodiment having the above configuration will be described with reference to FIGS.
This will be described with reference to the flowchart shown in FIG.

Overall Operation First, when the apparatus is powered on, the CPU 1
Load the control program from. Then, the main routine shown in FIG. 5 is started, and step Sa of this routine is started.
The process proceeds to 1. In step Sa1, initialization processing such as resetting various register values is performed. Next, when the process proceeds to step Sa2, a switch process routine described later is started, and a switch process corresponding to the operation of each switch of the panel switch 5 is performed. The details of the switch processing will be described later.

Then, in step Sa3, after performing various processing such as display processing, the above-described step Sa2 is performed.
Return to Thereafter, if no interrupt signal is supplied from the timer 4, the processing of the above steps Sa2 and Sa3 is repeated. When an interrupt signal is supplied from the timer 4, the CPU
1 activates a timer interrupt processing routine to be described later, reads pattern data and song data, and instructs sound generation. The details of the timer interrupt processing will be described later.

Next, details of the switch processing will be described. First, in step Sa2 of the main routine (see FIG. 5), when the switch processing routine shown in FIGS. 6 and 7 is started, the CPU 1 executes step Sb of this routine.
1 (hereinafter, refer to FIG. 6). Step Sb1
Then, it is determined whether or not the start of the automatic performance is instructed by the start / stop switch.

Here, if the start of the automatic performance is instructed, the result of this determination is "Yes", and step Sb2
Proceed to. In step Sb2, the header of the song data is read. Initial values of the tempo, the pattern, the section, and the like are already described in the header portion, and the tempo, the pattern, the section, and the like are set based on these data. When the process proceeds to step Sb3, the song duration data, which is the head data of the song data, is read out and set in the register SDUR. The value of the register SDUR is decremented each time a timer interrupt process, which will be described later, is executed at regular intervals, thereby storing the remaining time of the current song duration.

Next, in step Sb4, note duration data, which is the head data of the section of the pattern data corresponding to the pattern and section set in step Sb2, is read and set in the register PDUR. Note that the value of the register PDUR is also decremented each time the timer interrupt processing is executed, so that the remaining time of the note duration at the present time is stored.

Next, at step Sb5, the register TOTAL and the flag ABREP are cleared to "0". Here, the register TOTAL is a register for storing the elapsed time from the beginning of the music, and is incremented each time the timer interrupt processing is executed.

The flag ABREP is a flag for storing a state before the AB switch is operated. That is, when the flag value is “0”, the AB switch is turned on, the point A is designated, and the value is changed to “1”. When the value is “1”, the point B is designated. When AB repeat is executed, the value changes to "2". When the value is "2" and the operation is turned on, AB repeat is canceled and the value changes to "0". Further, in this step Sb5, "1" is set to the flag RUN in which the state value indicating whether or not the automatic performance is being executed is set, so that the automatic performance is being executed.

At step Sb6, it is determined whether or not the end of the automatic performance is instructed by the start / stop switch. In this case, step Sb1 is performed.
Since the start of the automatic performance has been instructed in step 2, the determination result is "No", and the process directly proceeds to step Sb8 without proceeding to step Sb7.

On the other hand, if the end of the automatic performance is instructed in step Sb1, the determination result is "No", and the process directly proceeds to step Sb6 without performing the processes in steps Sb2 to Sb5. Then, in this case, the determination result of step Sb6 is “Yes”, and the process proceeds to step Sb7. In step Sb7, the flag RU
N is set to "0" to set the automatic performance stop.

Next, step Sb8 (hereinafter, see FIG. 7)
Then, the AB switch is scanned, and it is determined whether or not the AB switch has an operation event. Where AB
If the switch has an operation event, the result of this determination is “Yes”, and the process proceeds to step Sb9. In step Sb9, it is determined whether the value of the flag RUN is “1”. That is, in this embodiment, such a determination is made in order to make the operation of the AB switch effective only during execution of the automatic performance.

Here, when the automatic performance is being executed and the flag R
If the value of UN is “1”, the result of this determination is “Ye
s ”, and proceeds to step Sb10. Step Sb1
0 indicates whether the value of the flag ABREP is “0”,
That is, it is determined whether or not the current operation of the AB switch indicates the point A.

Here, if the value of the flag ABREP is "0", the result of this determination is "Yes", and the routine proceeds to step Sb11. In step Sb11, after performing the following processes (a) to (h) corresponding to the instruction operation of the point A, the process proceeds to step Sb15. (A) The read address of the current song data is set in the register ASADRS. (B) The value of the register SDUR indicating the remaining time of the song duration at the present time is set in the register ASDUR. (C) The read address of the current pattern data is set in the register APADRS. (D) The value of the register PDUR indicating the remaining time of the note duration at the present time is set in the register APDUR. (E) Set the pattern number of the currently specified pattern in the register APTN. (F) Set the section number of the currently specified section in the register ASECT. (G) The value of the register TOTAL indicating the elapsed time from the beginning of the music at the present time is set in the register ATOTAL. (H) Set the flag ABREP to “1”.

On the other hand, if the value of the flag ABREP is not "0" in step Sb10, the result of the determination here is "No", and the flow proceeds to step Sb12. In step Sb12, it is determined whether or not the value of the flag ABREP is “1”, that is, whether or not the current operation of the AB switch is an operation of instructing the point B.

Here, if the value of the flag ABREP is "1", the result of this determination is "Yes" and the operation proceeds to step Sb13. In step Sb13, a process corresponding to the instruction operation of the point B is performed. That is, the current value of the register TOTAL is set in the register BTOTAL, and “2” is set in the flag ABREP.
Then, the process proceeds to step Sb15.

If the value of the flag ABREP is not "1" in step Sb12, that is, if the value of the flag ABREP is "2", the result of this determination is "No", and the routine proceeds to step Sb14. . In step Sb14, the operation of the AB switch in this case is A
Since the instruction to cancel the B repeat is issued, "0" is set in the register ABREP, and then the process proceeds to step Sb15.
Proceed to.

In step Sb8, AB
If there is no operation event for the switch, the result of this determination is “No”, and the above steps Sb9 to Sb14
The processing directly proceeds to step Sb15 without executing the processing corresponding to the operation of the AB switch in.

In step Sb15, processing corresponding to operation of other switches such as an all repeat switch and a tempo switch is performed. Then, the processing of the CPU 1 ends this routine, and returns to the above-described main routine (see FIG. 5).

In this way, each time the processing proceeds to step Sa2 in the main routine, the above-described switch processing is executed, and processing corresponding to the operation of each switch including the start / stop switch and the AB switch is performed.

Timer Interrupt Processing Next, details of the timer interrupt processing will be described. When an interrupt signal is supplied from the timer 4 at a predetermined interrupt interval, the CPU 1 starts a timer interrupt processing routine shown in FIGS. 8 and 9 each time. Less than,
The processes (1) to (5) executed regardless of the presence or absence of the AB repeat instruction and the process (6) executed only when the AB repeat is instructed will be described separately.

(1) Processing up to the Elapse of Note Duration When this routine is started, the CPU 1 advances the processing to step Sc1 (hereinafter, see FIG. 8). In step Sc1, it is determined whether or not the value of the flag RUN is “1”. Here, when the automatic performance is being executed and the flag RU
If the value of N is “1”, the result of this determination is “Yes”
And the process proceeds to step Sc2. In step Sc2,
It is determined whether the value of the register SDUR is “0”. That is, here, it is determined whether or not the time corresponding to the song duration has elapsed based on whether or not the value of the register SDUR decremented in step Sc3 described later has become “0”.

Here, if the time corresponding to the song duration has not elapsed, the result of this determination is "No" and the routine proceeds to step Sc3. In step Sc3, the register SDUR is decremented by "1". Then, when the process proceeds to step Sc4 (hereinafter, see FIG. 9), the register P
It is determined whether or not the value of DUR is “0”. That is, here, it is determined whether or not the time corresponding to the note duration has elapsed, based on whether or not the value of the register PDUR decremented in step Sc5 described later has become “0”.

Here, if the time corresponding to the note duration has not elapsed, the result of this determination is "No" and the operation proceeds to step Sc5. In step Sc5, the register PDUR is decremented by "1". Then, when the process proceeds to step Sc6, the register TOTAL is incremented by "1". Thus, the elapsed time from the beginning of the music is measured. Next, when the process proceeds to step Sc7, it is determined whether or not the value of the flag ABREP is “2”, that is, AB
It is determined whether or not AB repeat is instructed by the switch.

Here, if the AB repeat is not instructed, the result of this determination is "No", and thereafter, the processing ends this routine and returns to the main routine (see FIG. 5). In this manner, the timer interrupt processing routine is started every time the interrupt interval corresponding to the tempo elapses, and the steps Sc1 to Sc1 are performed until either the song duration or the note duration elapses.
The process of Sc7 is repeated.

(2) Processing after Note Duration When the time corresponding to the note duration has elapsed, the result of the determination in step Sc4 (hereinafter, see FIG. 9) is “Yes”, and the flow proceeds to step Sc8. In step Sc8, the designated pattern data is read. When the process proceeds to step Sc9, it is determined whether or not the read data is end data indicating the end of the section of the pattern data.

If the read data is not end data but note event data, the result of this determination is "No", and the flow proceeds to step Sc10. In step Sc10, the read note event data, that is, note number data and velocity data, are output to the tone generator 8. Thereby, the sound source circuit 8
A tone signal of a percussion instrument sound corresponding to the supplied note number data is generated with an intensity corresponding to the velocity data. The tone signal is supplied to the sound system 10 via the D / A converter 9 and is emitted as a tone.

Next, when the flow advances to step Sc11, data next to the designated pattern data is read. Then, in a step Sc12, it is determined whether or not the read data is note duration data. Here, if the read data is not note duration data but note event data, the result of this determination is “No”, and the flow returns to step Sc10 to perform sound generation processing again. That is, all note event data to be generated at the same timing are read out, and
Output to In this way, steps Sc10 to Sc1 are repeated until the next note duration data is read.
Step 2 is repeated.

When the next note duration data is read, the result of the determination in step Sc12 is "Yes", and the flow advances to step Sc13. In step Sc13, the read duration data is set in the register PDUR as a note duration indicating the next note event interval. Then, the process proceeds to steps Sc6 and Sc7 described above, and if AB repeat has not been instructed, the process ends this routine and returns to the main routine (see FIG. 5).

In this manner, the timer interrupt processing routine is executed every time the time corresponding to the song duration elapses or the time corresponding to the note duration elapses until the end data indicating the end of the section is read. Step Sc
8 to Sc13 are performed.

(3) Processing after Song Duration Elapses When the time corresponding to the song duration has elapsed, the result of the determination made in step Sc2 (see FIG. 8) becomes "Yes", and the flow proceeds to step Sc14. In step Sc14, the song data is read. When the process proceeds to step Sc15, it is determined whether or not the read data is the end of the song data, that is, the end data indicating the end of the song.

If the read data is not end data but event data, the result of this determination is "No" and the flow proceeds to step Sc16. Step S
In c16, a process corresponding to the type of event represented by the event data is performed. That is, when the event data is the pattern number, the read pointer is moved to the head address of the pattern data corresponding to the pattern number, the note duration data as the head data is read, and this is set in the register PDUR.

When the event data is a section number, the read pointer is moved to the address corresponding to the current timing of the section corresponding to the section number in the designated pattern data, and the next note event is reached. Is calculated, and this is set in the register PDUR. Further, when the event data is tempo data, the interruption interval by the timer 4 is set to a time corresponding to the tempo data. Thereby, the performance tempo changes.

Next, in step Sc17, the next data of the song data is read. Then, step Sc
At 18, it is determined whether or not the read data is song duration data. Here, if the read data is not the song duration data but the event data, the result of this determination is "No", and the process returns to step Sc16 to perform the processing corresponding to the event type again. Steps Sc16 to Sc1 are repeated until the next song duration data is read out.
Step 8 is repeated.

When the next song duration data is read, the result of the determination in step Sc18 is "Yes", and the flow advances to step Sc19. In step Sc19, the read song duration data is set in the register SDUR as the song duration indicating the next event interval. Then, after performing the processing after step Sc4 described above, this routine ends, and the process returns to the main routine (see FIG. 5). In this way, every time the time corresponding to the song duration elapses, the processing of steps Sc14 to Sc19 described above is performed in this timer interrupt processing routine.

(4) Processing after the end data of the section is read When the end data indicating the end of the section of the designated pattern data is read, the aforementioned step S
The judgment result of c9 (hereinafter, see FIG. 9) is “Yes”, and the process proceeds to step Sc20. In step Sc20,
Performs processing according to the type of section specified so far.

That is, when a normal section is designated, the read pointer is returned to the head address of the section. Then, the note duration data, which is the head data, is read out, and is
Set to. Thus, thereafter, the reading of the section of the same pattern data is repeated. If the intro section or fill-in section is designated, the read pointer is moved to the head address of the normal section of the same pattern data, the note duration data as the head data is read, and this is set in the register PDUR. Furthermore, if the ending section is specified, it is the end of the music, so no processing is performed in step Sc20.

Then, the aforementioned steps Sc6, Sc7
If the AB repeat is not instructed, the process ends this routine and returns to the main routine (see FIG. 5). In this way, every time the end data of the section is read out, the processing of step Sc20 described above is performed in this timer interrupt processing routine.

(5) Processing after the end data of the song is read When the automatic performance reaches the end of the song and the end data indicating the end of the song data is read, the aforementioned step S
The determination result at c15 (hereinafter, see FIG. 8) is “Yes”, and the process proceeds to step Sc21. If the ending section is stored in the song, the end data of the song is stored at the same timing as the end timing of the ending section. In step Sc21, the value of the flag ALLREP is “1”
Is determined, that is, whether all repeat is instructed. Note that this flag ALLREP
Is inverted to "1" by the all repeat instruction operation by the all repeat switch and to "0" by the all repeat release operation in step Sb15 described above.

Here, the value of the flag ALLREP is "1".
, The determination result is “Yes”, and the process proceeds to step Sc22. In step Sc22, the header portion of the song data is read again, and the tempo, pattern, and section are reset. Then, in step Sc23, the song duration data, which is the head data of the song data, is read and set in the register SDUR. Further, in step Sc24, the process proceeds to step Sc24.
The note duration data which is the head data of the section of the pattern set in 22 is read out and set in the register PDUR.

Then, after resetting the register TOTAL to "0" in step Sc25, the process ends this routine and returns to the main routine (see FIG. 5). Thus, the above-described operation is repeated again, and the automatic performance is repeated from the beginning of the music.

On the other hand, in step Sc21 described above,
If the value of the flag ALLREP is not “1”, the determination result is “No”, and the process proceeds to step Sc26. In step Sc26, the flag RUN is inverted to "0" to set the automatic performance to end, and then the processing ends, and the process returns to the main routine (see FIG. 5). In this way, the automatic performance is stopped until the start of the automatic performance is again instructed by the start / stop switch. When the automatic performance is not being executed, the result of the determination in step Sc1 is "No", and no processing is executed in this timer interrupt processing routine.
It returns to the main routine (see FIG. 5).

(6) Processing when AB repeat is instructed When AB repeat is instructed, the result of the determination made in step Sc7 (hereinafter, refer to FIG. 9) is “Yes”, and the flow proceeds to step Sc27. In step Sc27,
It is determined whether or not the value of the register TOTAL is equal to the value of the register BTOTAL set in step Sb13 (see FIG. 7). That is, here, it is determined whether or not the progress position of the music at the present time coincides with the timing when the point B is designated by the AB switch.

If the current position of the music does not coincide with the point B, the routine ends without performing any processing and returns to the main routine (see FIG. 5). Thereafter, the above-described operation is repeated until the progress position of the music coincides with the timing instructing the point B.

Then, when the automatic performance proceeds and the progress position of the music at the present time coincides with the timing instructing the point B, the result of the determination in step Sc27 becomes "Yes", and the flow proceeds to step Sc28. In step Sc28,
The following processes (a) to (h) are performed using the data already set in step Sb11 (see FIG. 7) in order to change the progress position of the music to the timing at which point A is designated.

(A) The value of the register ASADRS is set to the song data read pointer. (B) Set the value of the register ASDUR in the register SDUR. (C) The value of the register APADRS is set in the read pointer of the pattern data. (D) The value of the register APDUR is set in the register PDUR. (E) Designate the value of the register APTN as a pattern number. (F) Designate the value of the register ASECT as the section number. (G) Specify the value of the register ATENPO as the tempo. (H) Register ATOTAL value in register TOTAL
Set to.

As a result, the pattern, section, and tempo are designated, and the read addresses of the song data and the pattern data are set in the same manner as when point A is designated. As shown in FIG. 10, the song data is read out at a point in time corresponding to the value of the register SDUR from the timing SNI of the next event after the event occurrence point SLI immediately before the point A is specified.
On the other hand, the read timing of the pattern data is set in the register PDUR from the timing PNI of the note event next to the note event occurrence time PLI immediately before indicating the point A.
Is a point in time that is traced back by the time corresponding to the value of.

As described above, when the progress of the music reaches the timing instructing the point B during the execution of the automatic performance, the progress position is always changed to the timing instructing the point A. As a result, as shown in FIG. 4B, when two points A and B in the music are designated, the progress position of the music returns from the point B to the point A, and thereafter, between the two points A and B is repeated. Become played. Also, as shown in FIG. 4 (c), when point B is designated at the beginning of the song with respect to point A in the state where all repeat is executed, the point is always set when the progress position of the song reaches point B. The traveling position jumps from B to point A.

C: Modification of Embodiment In this embodiment, the repeat performance or the jump performance in the pattern sequencer is described as an example as described above. However, an arbitrary position in the music is designated, and thereafter, the designation is performed. It is also possible to start playing from the position.

The pattern data is not limited to the rhythm pattern shown in FIG. 2, but may be a bass or chord backing pattern. In this case, chord (chord) data may be included in the song data, and the pitch of the note data in the base pattern or chord backing pattern may be corrected according to the read chord data.

The repeat performance and the jump performance according to the present embodiment are not limited to the pattern sequencer, but are applied to, for example, a normal automatic performance device configured to store note event data from the beginning to the end of the music. It is also possible. When applying to such a thing, it is necessary to store not only note event data but also timbre change data, etc. so that the tone at the movement destination of the song progress position is reproduced when performing a repeat performance or a jump performance. You may.

The pattern data and the song data may have any data format. That is, in the present embodiment, the format is “event + interval between events (duration)”. However, the format is not limited to this format. For example, the format is “event + event occurrence timing within a bar”, or a performance is performed. Make the timing correspond to the address on the memory,
An identifier indicating the presence or absence of an event may be recorded for each address.

Also, as in the present embodiment, AB within one music piece
The present invention is not limited to a repeated performance mode in which a repeat is designated. For example, as shown in FIG.
It is also possible to adopt a mode in which the designation is made by the point and the point D, and the AB repeat according to the present embodiment is designated within this range (between the points CD).

Further, the present invention is not limited to the one in which the position of the AB repeat is designated during the performance as in the present embodiment. May be specified. In this case, the storage location on the memory, the timing until the next event, and the like may be calculated.

[0074]

As described above, according to the present invention, in an automatic performance apparatus (pattern sequencer) of a type in which the performance order of a plurality of pattern data is programmed in advance, a designated arbitrary position which has been impossible in the past. You can perform from.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an automatic performance device according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a data format of pattern data in the embodiment.

FIG. 3 is a diagram showing an example of a data format of song data in the embodiment.

FIGS. 4A and 4B are views showing a repetitive performance in the embodiment, wherein FIG. 4A shows a repetitive performance of one song by all repeats, FIG. 4B shows a repetitive performance by AB repeat,
(C) shows jump performance by all repeat + AB repeat.

FIG. 5 is a flowchart showing a main routine of a control program executed by a CPU in the embodiment.

FIG. 6 is a flowchart illustrating a switch processing routine (steps Sb1 to Sb1) of a control program executed by a CPU in the embodiment;
It is a flowchart which shows b7).

FIG. 7 shows the same switch processing routine (steps Sb8 to Sb8);
It is a flowchart which shows Sb15).

FIG. 8 is a flowchart illustrating a timer interrupt processing routine (steps Sc1 to Sc3, Sc14 to Sc19, Sc21 to Sc) of a control program executed by the CPU in the embodiment;
It is a flowchart which shows 26).

FIG. 9 shows the same timer interrupt processing routine (steps Sc4 to Sc13, Sc21, Sc27, Sc28).
It is a flowchart which shows.

FIG. 10 is a time chart showing how the data read timing is changed to the timing instructing the point A in the AB repeat according to the embodiment.

FIG. 11 is a diagram showing another repeated performance mode to which the AB repeat according to the embodiment is applied.

[Explanation of symbols]

1 ... CPU, 2 ... ROM, 3 ... RAM, 4 ... timer, 5 ... panel switch, 6 ... switch detection circuit, 7 ... display circuit, 8 ... sound source circuit, 9 ... D / A converter, 10 ... sound system, 11 ... bus

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-190397 (JP, A) JP-A-4-146491 (JP, A) JP-A-4-147193 (JP, A) 89491 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G10H 1/00 101-102 G10K 15/04 302

Claims (3)

(57) [Claims] 1. A first storage means for storing a plurality of performance pattern data comprising event data indicating the occurrence of music and timing data for controlling the generation timing of the event data, wherein each of the performance pattern data is The one associated with the pattern instruction data for instructing the performance pattern data, the pattern instruction data for instructing the performance pattern data and the generation of the pattern instruction data configured in accordance with the progress of the music Second storage means for storing song data composed of song timing data for controlling timing; second reading means for reading song timing data and pattern instruction data controlled by the song timing data from the second storage means And the second reading means from the first storage means. First reading means for reading timing data in the performance pattern data associated with the pattern instruction data read by the stage and event data controlled by the timing data; and the first and second reading means. Performance means for performing based on each read data; designating means for designating a desired position in the progress of the music; and when the designating means designates a desired position, the following 1) to 4) And 3) song position data indicating the storage position of the song timing data in the second storage device corresponding to the specified position of the specifying device. 2) the specified position of the specifying device. , Song time data indicating the time until the next pattern instruction data following the pattern instruction data of 1) is read out 3) The designated hand Shows the time from the specified position of the first pattern position data 4 indicating the storage location of the storage means timing data) the designation unit corresponding to the specified position, to read the next event data in the event data of the three) Pattern time data instructing means for instructing to start playing from a position based on the data stored in the third storage means; and a pattern position stored in the third storage means when instructed by the instructing means. The performance is started based on the data and the song position data, and based on the pattern time data and the song time data stored in the third storage means, the pattern position data and the song position stored in the third storage means are started. The playing means is controlled so as to perform a performance based on the data stored in the first and second storage means following the data. Automatic performance apparatus, which comprises a control means for. 2. The control means according to claim 1 , wherein said control means includes a finger.
When the indication is made, the third storage means stores
If the data of 4) is stored,
The pattern position data and the song stored in the third storage means
Start playing based on the
Pattern time data and song stored in storage means of No. 3
Based on time data, stored in the third storage means
Following the pattern position data and the song position data
According to the data stored in the first and second storage means.
Characterized in that it is controlled by the playing means so as to perform.
The automatic performance device according to claim 1. 3. The method according to claim 1, wherein the third storage means includes the above-mentioned items 1 to
In the state where the data of the above 4) is stored,
When the start instruction is given.
4th for storing data on the position in the ongoing song
Having storage means of When the control means is instructed by the instruction means,
The pattern position data stored in the third storage means.
Start playing based on the song and song position data
The pattern time data stored in the third storage means.
The third storage means based on data and song time data.
To the pattern position data and song position data stored in
Subsequent data stored in first and second storage means
And the performance is stored in the fourth storage means.
When the position indicated by the received data is reached, the third
From the position based on the data stored in the storage means
2. The control according to claim 1, wherein
Automatic performance equipment.