JP3340565B2 - Automatic accompaniment 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 accompaniment apparatus applicable to automatic rhythm performance and other automatic accompaniment, and more particularly to an apparatus which can easily create and change an accompaniment pattern.

[0002]

2. Description of the Related Art A typical example of a conventional automatic accompaniment apparatus for obtaining an automatic accompaniment pattern desired by a user is a method in which a plurality of accompaniment patterns are stored in a memory in advance and any one of them is selected. is there. However, this method has a disadvantage that the selectable patterns are limited. That is, in an automatic accompaniment device of a type in which any one of pre-stored accompaniment patterns is selected, the number of memorable accompaniment patterns is limited, so that the user selects the closest accompaniment pattern that the user wants. And often cannot get the accompaniment pattern the user really wants.

On the other hand, as a method of creating an automatic accompaniment pattern completely freely in accordance with the desire of the user, the user can play the keyboard of an electronic musical instrument or the like arbitrarily by playing (pressing a key) to obtain a desired pattern. This is to create an accompaniment pattern and store it in a memory. By reading and playing back the accompaniment pattern stored in the memory in this manner, automatic accompaniment can be performed. In order to relatively easily create a rhythm performance pattern, a plurality of patterns are stored in advance for each percussion instrument sound source, and a desired one pattern is selected for each percussion sound source. The desired rhythm performance pattern is obtained as a whole by the combination of.

[0004]

However, the former method of playing by hand has a problem that an appropriate accompaniment pattern cannot be created unless the user himself has knowledge of music and performance skills. Moreover, even if the user has knowledge, performance techniques, etc., a lot of trouble is required in the creation operation itself, and it is very difficult to create a desired accompaniment pattern. In the latter method, the operation of selecting the percussion instrument sound source and the operation of selecting the desired pattern must be performed separately, and the operability is poor and the performance obtained by the combination is poor. There were problems to be solved, such as limitations on pattern variations. Further, since it is only possible to select from the patterns stored in the memory, it is not possible to freely create an accompaniment pattern. The present invention has been made in view of the above points, and provides an automatic accompaniment apparatus that enables easy creation and change of an accompaniment pattern and enables easy creation and change of a complicated pattern. What you want to do.

[0005]

In order to achieve this object, an automatic performance device according to claim 1 is provided for accompaniment performance.
A plurality of components for accompaniment performance comprising a set of parts of a plurality of musical instruments , the plurality of components comprising:
Is composed of multiple parts,
An accompaniment pattern storage means for storing a plurality of accompaniment patterns for each of the number of components; and a plurality of desired musical instruments in the accompaniment pattern storage means .
And component designation operator for specifying the components Ri, wherein the components specified operator provided separately, and the pattern selection operator for selecting a desired accompaniment pattern in the specified by the component designated operator Components Reading means for reading the accompaniment pattern corresponding to the operation of the component designation operator and the pattern selection operator from the accompaniment pattern storage means, and registering the accompaniment pattern read by the reading means in a performance current buffer. , The current bar
A accompaniment tone generating means for generating an automatic accompaniment tone based on the contents of Ffa, operation of the components specified operator
The accompaniment pattern registered in the current buffer according to
The operated component designation based on the
Automatic accompaniment sound generation corresponding to the control can be started.
It is characterized by being able to .

[0006] automatic playing apparatus according to claim 4, a plurality of components for accompaniment performance consisting of a set of a plurality of musical instruments parts for accompaniment performance, the plurality of components
Each of the components is composed of multiple parts,
An accompaniment pattern storage means for storing a plurality of accompaniment patterns for each of the plurality of components; and a selection operator for selecting a desired accompaniment pattern for each component. Reading means for selecting and reading out the accompaniment pattern for each component from the accompaniment pattern storage means on the basis of what is generated and the pattern selection signal output from the selection operation element, create a current pattern selection information by calculating the value of the pattern selection information and the present pattern selection signal from the time of selecting the previous accompaniment patterns using the pattern selection signal as a relative value, the pattern selection information Relative mode to select the accompaniment pattern based on
Mode and the pattern selection generated by the selection operator.
Using this selection signal as an absolute value
Make sure that the accompaniment pattern is selected based on the value.
It is possible to select either the value mode or the value mode
Select the accompaniment pattern in the selected mode
And an accompaniment sound generating means for generating an automatic accompaniment sound based on the accompaniment pattern read by the reading means.

[0007] automatic playing apparatus according to claim 5, a plurality of components for accompaniment performance consisting of a set of a plurality of musical instruments parts for accompaniment performance, the plurality of components
Each of the components is composed of multiple parts,
Accompaniment pattern storage means for storing a plurality of accompaniment patterns for each of the plurality of components, the desired
Of every plurality of components, and selecting means for respectively selecting the desired accompaniment pattern for each component, before
Of a given component of a plurality of components
The accompaniment pattern for at least some instrument parts
Specifying means for specifying a predetermined range within
Instrument of a given component with a given range specified
For a part, the specified
Precede the selected accompaniment pattern for each component
Read from the accompaniment pattern storage means, and
All the selected accompaniment patterns
Reading means for reading from the recording pattern storage means;
An accompaniment sound generating means for generating an automatic accompaniment sound based on the accompaniment pattern read by the reading means; and
Accompaniment for the selected instrument part within the specified range
Turn is an accompaniment putter for the other component
It is characterized in that it is played in addition to the music .

[0008]

[0009]

[0010]

[0011]

[0012]

[0013]

Each component is composed of a set of one or more musical instrument parts for accompaniment performance. For example, a plurality of related musical instrument parts (such as a snare drum and a bass drum, or a ride cymbal and a hi-hat). ) May be categorized as common components. The user can specify a desired component by operating the operation element. The selected accompaniment pattern is read from the database (accompaniment pattern storage means) and stored in the temporary storage means. Therefore, the entire accompaniment performance pattern is stored in the temporary storage means by the combination of the accompaniment patterns selected for each component. The automatic accompaniment device generates an automatic accompaniment sound based on the accompaniment pattern stored in the temporary storage means.

The accompaniment pattern selected corresponding to one component is an accompaniment pattern of a set of one or more musical instrument parts corresponding to the component. Therefore, the user can select a pattern for each component from a large number of accompaniment patterns prepared in the database in an optimal state. Can be selected, which is advantageous. Further, since the selection of the pattern for one component is performed according to the operation of the operation element, the selection operation is extremely simple. Because of the ease of the selection operation, it is possible to prepare a large number of accompaniment patterns corresponding to one component in the database, and to easily select from them. Therefore, the degree of freedom in creating and changing the accompaniment pattern can be increased.

In the automatic accompaniment apparatus according to the first aspect, an operation element for selecting a desired accompaniment pattern is composed of a component designation operation element and a pattern selection operation element provided separately therefrom. I have. That is, the component designation operation element is provided for each component, and a plurality of patterns in the component designated by this operation element are selected by operating the pattern selection operation element. At this time, if the pattern selection operator outputs continuous values such as a slide-type operator such as a slide operator, a rotary-type operator such as a wheel operator, or a multi-dimensional operator such as a joystick, etc. This facilitates selection of an accompaniment pattern. Since such an operation element can gradually change the output value, a desired pattern can be selected and set from the accompaniment pattern storage means storing an extremely large number of accompaniment patterns. The accompaniment pattern storage unit includes an accompaniment pattern storage unit that stores a plurality of accompaniment patterns, and an arrangement order storage unit that stores arrangement order information for arranging the plurality of accompaniment patterns according to a predetermined rule. May select the accompaniment pattern corresponding to the operation mode by referring to the arrangement order storage unit in response to the operation of the operation element. Further, as a preferred embodiment of the automatic accompaniment pattern according to claim 1, as described in claim 2, the pattern selection operator generates an operation output whose value continuously changes according to the operation. The reading means may select an accompaniment pattern in accordance with the operation output, or as described in claim 3, when a component designation operation element is operated, the pattern selection operation at that time is performed. The selected accompaniment pattern of the designated component may be read based on the operation output of the child.

According to a fourth aspect of the present invention, there is provided an automatic accompaniment apparatus for reading out an accompaniment pattern for each component from the accompaniment pattern storage means based on a pattern selection signal output from a selection operator. This value is used as the value, and the current pattern selection information is created by calculating the pattern selection information from the previous selection of the accompaniment pattern and the value of the current pattern selection signal, and the accompaniment pattern is selected based on this pattern selection information. Is what is done. That is, the pattern selection information at the time when the previous accompaniment pattern was selected is an absolute value, and the current pattern selection information is created by adding or subtracting the current pattern selection signal, which is a relative value, to or from this signal. Therefore, it becomes easy to understand how much difference there is with respect to the pattern selection information at the time of selecting the previous accompaniment pattern (for example, how different patterns are in complexity).

[0017]

[0018]

[0019]

[0020]

[0021]

[0022]

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 shows a detailed configuration of an electronic musical instrument 1F having a built-in keyboard and a tone generator circuit, and a personal computer 20 which performs an accompaniment pattern editing process and a process of outputting data based on the accompaniment pattern to the electronic musical instrument 1F, and a connection relationship between the two. It is a hardware block diagram. First, the configuration of the electronic musical instrument 1F will be described. The microprocessor unit (CPU) 11 controls the operation of the electronic musical instrument 1F. A ROM 12, a RAM 13, a key press detection circuit 14, a switch detection circuit 15, a display circuit 16, a sound source circuit 17, a sound system 18, a timer 19, and a MIDI interface (I / F) 1D are connected to the CPU 11 via a bus 1E. Each is connected.

In this embodiment, an electronic musical instrument in which the CPU 11 performs a key press detection process, a transmission / reception process of performance data (note data), a sound generation process, and the like will be described. The present invention can be similarly applied to a configuration in which modules are separately configured, and data is exchanged between the modules using a MIDI interface. ROM12
Stores various programs and various data of the CPU 11, and is constituted by a read-only memory (ROM). The RAM 13 temporarily stores performance information and various data generated when the CPU 11 executes a program, and is a random access memory (RAM).
Are allocated and used as registers and flags.

The keyboard 1A has a plurality of keys for selecting the pitch of a musical tone to be produced, has a key switch corresponding to each key, and detects a key pressing speed as required. It has touch detection means such as a device and a pressing force detection device. The keyboard 1A is a basic operator for music performance, and it goes without saying that other performance operators, such as a drum pad, may be used.

The key press detection circuit 14 includes a circuit composed of a plurality of key switches provided corresponding to each key of the keyboard 1A for designating the pitch of a musical tone to be generated. When a key is pressed, key-on event information is output, and when a key is newly released, key-off event information is output. In addition, a process of generating touch data by determining a key pressing operation speed or a pressing force at the time of key pressing is performed, and the generated touch data is output as velocity data. As described above, the key-on / key-off event information and the velocity information are expressed in the MIDI standard, and also include a key code and data indicating an assigned channel.

The panel switch 1B includes various operators for selecting, setting, and controlling a tone color, a volume, an effect, and the like. There are various types of panel switches, and details thereof are publicly known, and thus description thereof is omitted. The switch detection circuit 15 detects the operation state of each operator of the panel switch 1B, and outputs switch information corresponding to the operation state to the CPU 11 via the bus 1E. The display circuit 16 is C
Various kinds of information such as the control state of the PU 11 and the contents of the setting data are displayed on the display unit 1C. The display unit 1C is configured by a liquid crystal display panel (LCD) or the like, and its display operation is controlled by the display circuit 16.

The tone generator 17 is capable of simultaneously generating musical tone signals on a plurality of channels, receives performance information (data conforming to the MIDI standard) given via the bus 1E, and generates a musical tone based on the data. Generate a signal. As will be described later, the sound source circuit 17 of the electronic musical instrument 1F is configured to be able to generate tone signals of various drum sounds. The tone signal generation method in the tone generator circuit 17 may be of any type. For example, a memory reading method for sequentially reading out musical tone waveform sample value data stored in a waveform memory according to address data that changes in accordance with the pitch of a musical tone to be generated, or a method in which the address data is used as phase angle parameter data at a predetermined frequency A 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 above address data as phase angle parameter data to obtain musical sound waveform sample value data. You may employ suitably.

The tone signal generated from the tone generator 17 is
The sound is generated via a sound system 18 including an amplifier and a speaker (not shown). The timer 19 generates a clock pulse for counting a time interval, and the clock pulse is given as an interrupt command to the CPU 11, so that the CPU 11 executes various processes by an interrupt process.

MIDI interface (I / F) 1D
Connects between the bus 1E of the electronic musical instrument 1F and the MIDI interface (I / F) 2C of the personal computer 20,
The I interface 2C is connected to the bus 2D of the personal computer 20 and M
It is connected to the IDI interface 1D. Therefore, the bus 1E of the electronic musical instrument 19 and the bus 2 of the personal computer 20
D is connected via MIDI interfaces 1D and 2C, so that data exchange in accordance with the MIDI standard can be performed in both directions.

Next, the configuration of the personal computer 20 will be described. The microprocessor unit (CPU) 21 controls the operation of the personal computer 20. This CP
U21, ROM22, RAM via bus 2D
23, hard disk drive 24, display interface (I / F) 25, mouse interface (M
An OUSE I / F 26, a switch detection circuit 27, a timer 28, and a MIDI interface 2C are connected to each other.

The ROM 22 stores various programs of the CPU 21, various data, and data such as various symbol characters and the like, and is constituted by a read only memory (ROM). The RAM 23 temporarily stores various data generated when the CPU 21 executes a program, and is configured by a random access memory (RAM). In this embodiment, predetermined areas of the RAM 23 are allocated to a current pattern memory area, an assign memory area, an undo buffer area, a save memory area, and a pattern table area as shown in FIG.

The current pattern memory area is an area for storing a rhythm pattern read during automatic accompaniment. The assignment memory area is an area for storing a rhythm pattern newly created by the edit processing or the transformer processing. The undo buffer area is an area for temporarily storing a rhythm pattern deformed by the transformer processing. The save memory area is
This area is used to temporarily store the current rhythm pattern of a component that has been previously stored when a current pattern is saved when a fill-in is inserted or when a rhythm pattern of a component is read from a database.

The pattern table area is an area for storing the address of the rhythm pattern and the data indicating the complexity of the rhythm pattern stored in the database (hard disk device 24) in the order of smaller complexity as an address. In other words, when the rhythm pattern is rearranged in the order of small complexity, the pattern table area
This is an area for storing an address conversion pattern table for converting the order address into an address on the database. Details of the pattern table will be described later.

The hard disk drive 24 is a personal computer 20
External storage device, dozens to hundreds of megabytes (MB)
Storage capacity. In this embodiment, the hard disk drive 24 is used as a rhythm pattern database, and is divided into three banks A, B, and C in order to store patterns of different music styles (genres) as shown in FIG. ing.

In this embodiment, a plurality of rhythm patterns dedicated to rock music corresponding to components of each drum sound are stored in bank A, and a plurality of rhythm patterns dedicated to disco music corresponding to components of each drum sound are stored in bank B. Rhythm patterns are stored, and a plurality of rhythm patterns common to rock and disco music corresponding to components of each drum sound are stored in bank C. The head address for specifying a plurality of rhythm patterns stored in each bank is changed from a simple one to a complex one in the above-mentioned pattern table area in order according to the degree of the complexity as an address. It is remembered.

For example, for a component composed of a bass drum (BD) and a snare drum (SD), a BD
+ SD pattern 1, BD + SD pattern 2,... Are more complicated rhythm patterns according to the pattern numbers. Similarly, TomH + Tomm + TomL pattern 1, TomH + Tomm + TomL pattern 2,...
The rhythm pattern is more complicated according to the pattern number.

FIG. 4 is a diagram showing the contents of a pattern table for address conversion stored in the pattern table area. In the figure, a rock music pattern table and a disco music pattern table are shown. The rock music pattern table includes start addresses A-1, A-2, A-3, C-1, A-4, and C-2 for specifying a plurality of rhythm patterns stored in banks A and C. ,
.., An in the order 1, 2, 3,... According to the degree of complexity (magnitude of complexity) of the rhythm pattern.
.., N are stored as addresses. On the other hand, the disco music pattern table contains head addresses B-1, B-2, C-1, B-3, C-2, C for specifying a plurality of rhythm patterns stored in banks B and C. −
, B-n are arranged in the order 1, 2, 2, or 3 according to the degree of complexity (complexity) of the rhythm pattern.
3,..., N are stored as addresses.

Here, the start address A, B or C is
Indicates the type of bank in which the rhythm pattern is stored. That is, the head addresses A-1, A-2, A-3,
A-4 and An represent the addresses of the bank A, the top addresses B-1, B-2, B-3, and Bn represent the addresses of the bank B, and the top addresses C-1, C-2, and C-3 indicates the address of bank C.

As the complexity, a value obtained by digitizing a rhythm pattern into a value of “0 to 100” according to a predetermined rule is used. As the predetermined rule, for example, the number of sounds included in the rhythm pattern, the number of timings at which note event data in the rhythm pattern exists, the number of sounds included in the first half of the rhythm pattern, and the number of sounds included in the second half of the rhythm pattern Difference, or the number of appearances of an event at a certain timing (for example, the first beat, the third beat, the back beat of 8 minutes, etc.) is directly used as the complexity,
The complexity is determined by a user arbitrarily selecting and combining these rules, or by comprehensively determining these rules. Further, the user may be allowed to arbitrarily rearrange the rhythm patterns.

In the rock music pattern table, the address “1” indicates that the rhythm pattern dedicated to rock music with the lowest complexity “5” is stored at the head address “A-1” in the database. Is shown. Similarly, a rhythm pattern dedicated to rock music having a complexity of "7" is stored in the address "2" at the head address "A-2" in the database, and a complexity "10" is stored in the address "3".
The rhythm pattern dedicated to rock music is the head address "A-3" on the database, and the address "4" is the head address "C-1" on the database of the rhythm pattern common to rock and disco music with complexity "11". And a rhythm pattern dedicated to rock music having a complexity of "16" at the address "5".
A rhythm pattern common to rock and disco music having a complexity of "20" is stored at an address "6" at a head address "C-2" in the database, and an address "n" is stored at a head of "95" having the highest complexity. This indicates that a rhythm pattern dedicated to rock music is stored at the head address “An” on the database.

In the pattern table for disco music,
The address “1” indicates that the rhythm pattern dedicated to the disco music with the smallest complexity “10” is stored at the head address “B-1” on the database. Hereinafter, similarly, the complexity “14” is added to the address “2”.
The rhythm pattern dedicated to the disco music is the head address "B-2" on the database, and the address "3" is the head address "C-1" of the rhythm pattern common to rock and disco music with the complexity "22". , A rhythm pattern dedicated to disco music having a complexity of "25" is stored in an address "4" at the head address "B-
At the address "5", the lock with the complexity "26" and the rhythm pattern common to the disco music are at the head address "C-2" on the database, and at the address "6" the lock with the complexity "30". And a rhythm pattern common to disco music at the head address "C-3" on the database, and an address "n" at the head address "B-" n ”indicates that each is stored.

Since the rhythm pattern of bank C is common to rock music and disco music, it exists in both the rock music pattern table and the disco music pattern table. For example, in the pattern table of FIG. 4, the rhythm patterns of the head addresses “C-1” and “C-2” exist in both the rock music pattern table and the disco music pattern table. In FIG. 4, although the rhythm pattern is the same, the complexity is different because the predetermined rules for calculating the complexity are different between the rock music pattern table and the disco music pattern table as described above. is there. Since the banks A, B, and C also store a fill-in pattern for real-time performance and a pattern of other musical instruments as shown in FIG. 3, the fill-in pattern is temporarily stored instead of the current pattern. It can be inserted and played.

As shown in FIG. 3, the contents of the rhythm patterns stored in the banks A, B, and C are a combination of timing data indicating the occurrence timing of an event and note event data indicating the type of the event. Are sequentially stored in a relative time system. Here, the note event data is stored in a format corresponding to the MIDI note-on message, and consists of 3 bytes of data. In the timing data, the interval between occurrences of each note event is represented by the number of clocks. In addition, the hard disk device 24 stores, as variation patterns 1 and 2, two types of sequence data for indicating adjectives of a transformer. That is, as shown in FIG. 3, Variations 1 and 2 are composed of sequential data in which adjective 1, adjective 2, adjective 3, and adjective 4 are stored in order.

Although not shown, a cache memory (RAM) of about several megabytes is provided or data transfer between the RAM 23 and the hard disk device 24 is performed in order to greatly shorten the access time to the hard disk device 24. It goes without saying that a DMA device may be provided to reduce the burden.

The display 29 inputs data processed inside the personal computer 20 through a display interface (I / F) and displays these data so that they can be visually recognized. CRT
And an LCD. FIG. 5 is a diagram illustrating a display example of the display 29. The display 29 displays the complexity of the rhythm pattern of the selected component in the section of the selection pattern to indicate which component is currently selected and to indicate at what level of complexity it is located. I have. Therefore, it means that the component whose complexity is displayed in the item of the selection pattern is currently selected, and the component whose nothing is displayed is not selected. Also, it indicates at which level the rhythm pattern is located in terms of complexity according to the magnitude of the complexity displayed in the item of the selection pattern.

For example, in FIG. 5A, the bass drum (B
As for the component BD + SD composed of D) and the snare drum (SD), it is shown that a rhythm pattern with a complexity of “80” is selected. It is shown that a rhythm pattern having a complexity of “20” is selected for the tom component Tom. Regarding the component HH of the hi-hat, the complexity “4
It is shown that the rhythm pattern of "5" is selected. As for the component CY of the cymbal, there is no indication of the complexity, indicating that nothing is selected. Hereinafter, similarly, whether or not the component is selected can be easily determined based on whether or not the complexity is displayed in the item of the selection pattern. Further, it is possible to easily recognize at which level the rhythm pattern is located in terms of the complexity according to the magnitude of the complexity displayed in the item of the selection pattern.

FIG. 5A shows a case where the complexity is directly displayed as a numerical value.
The complexity may be displayed by a graphic such as a bar graph as shown in FIG. By graphically displaying in this manner, it is possible to easily recognize whether the component is selected and to intuitively recognize the positioning in terms of complexity. It should be noted that the rhythm pattern is not limited to the case where the rhythm pattern is positioned as described above, but may be positioned based on factors other than the complexity (for example, intensity, good stickiness, etc.).
Also, a plurality of these elements may be combined and displayed two-dimensionally, three-dimensionally, or multidimensionally. For multidimensional display, a graphic display such as a radar chart is effective.

The mouse 2A is a kind of pointing device for inputting coordinate points on the display 29, and its output is a mouse interface (MOUSE I / F)
26 and the CPU 21 via the bus 2D.
The panel switch 2B is a keyboard for inputting a program, data, and the like to the personal computer 20, and has numeric keys, function keys, and the like.

The switch detection circuit 27 detects a key operation state of the panel switch 2B, and outputs key information corresponding to the operation state to the CPU 21 via the bus 2D. The timer 28 counts time intervals and generates an operation clock for the entire personal computer 20. The personal computer 20 counts a predetermined number of the operation clocks to measure a predetermined time, and performs an interrupt process according to the time. For example, by setting the predetermined number to a value corresponding to the tempo of the automatic accompaniment, the personal computer 20 executes the automatic accompaniment process.

In this embodiment, the note number corresponding to the key pressed state of the keyboard 1A is transmitted to the CPU 21 of the personal computer 20 via the MIDI interfaces 1D and 2C, so that the personal computer 20 can receive a note number other than the mouse 2A and the panel switch 2B. Each key of the keyboard 1A of the electronic musical instrument 1F is operated as an operator for selecting and controlling the 20 functions.

FIG. 6 is a diagram showing an example of various functions assigned to the keyboard 1A. In the figure, the keyboard 1A is composed of a total of 61 keys, and is divided into a pattern assignment area, an operator area, and a drum pattern area. The keys of note numbers E0 to B1 constitute a pattern assignment area, the keys of note numbers C2 to G # 3 constitute an operator area, and the keys of note numbers A3 to E5 constitute a drum pattern area.

The keys of note numbers E0 to B1 generate addresses corresponding to an assign memory area for storing a rhythm pattern created by edit processing and transformer processing as a new rhythm pattern. That is, the assignment memory area of the RAM 23 is composed of an assignment memory management area having a total of 20 addresses and a pattern storage area capable of storing 20 patterns, and each address of the assignment management area has a note number. It corresponds to E0 to B1. For example, note number E0 corresponds to the first address of the assignment memory management area, note number F0 corresponds to the second address, and so on, note numbers F # 0 to B1 correspond to the third address of the assignment memory management area. To the twentieth address. Each address stores the start address value of each pattern storage area.

The keys of note numbers C2 to G # 3 function as various operators for performing edit processing and transformer processing. Therefore, note numbers C2 to G
# 3 is the key information representing the operator function assigned to each key as it is. Specifically, the key of the note number C2 is an assign key, and the note numbers D2, E2, F2, G2
The keys of A2 are the designation keys of the transformers 1 to 5, the key of the note number B2 is the undo designation key, the key of the note number C3 is the start / stop designation key, and the keys of the note numbers D3, E3, and F3 are the banks A to C. The designation key, the note number G3 key is a lock key for pattern determination, the note number C # 2 and D # 2 keys are variation 1 and 2 designation keys, the note number F # 2 key is a replace input key, and the note number The G # 2 key is an insert input key, the note number A # 2 key is a quantize processing designation key, the note number C # 3 key is a delete drum instruction key, the note number D # 3 key is a delete component instruction key, and a note. Number F # 3
Key corresponds to an accent input key, and a note number G # 3 key corresponds to a fill-in designation key. Details of the processing contents according to the operation of each of these keys will be described later.

Note number A3 in the drum pattern area
The keys E5 to E5 function as keys for designating drum sounds.
Therefore, the note numbers C2 to G # 3 serve as drum sound information indicating the type of drum sound assigned to each key. Specifically, the key of note number A3 is a bass drum (BD), the key of note number A # 3 is a snare drum (SD), the key of note number B3 is a tom high (Tom H), and the key of note number C4. Is Tom Tom's low (Tom L), note number C # 4 is Tom Tom's middle (Tom M), note number D4 is Conga's high (Conga H), and note number E4
Is a conga row (Conga L), a note number D # 4 key is a timbale (Timb), a note number F4 key is a temple block row (TB L),
The key of note number F # 4 is temple block high (TBH), the key of note number G4 is hi-hat closed (HHC), the key of note number A4 is hi-hat open (HHO), and the key of note number G # 4 Is a tambourine (Tamb), the key of note number A # 4 is Clave, the key of note number B4 is cowbell (Cowbell), and the key of note number C5 is Agogo H of note number C # 5. The key is agogogo low (AgogoL), and the note number D5 key is handcraps (Clap).
s), the key of note number D # 5 corresponds to the drum sound of the crash cymbal (Crash CY), and the key of note number E5 corresponds to the drum sound of the ride cymbal (Ride CY).

Although each of the above-mentioned drum sounds can be specified independently, in this embodiment, a plurality of drum sounds are used as components which are grouped according to the performance form. Therefore, one or a plurality of drum sounds constitute this component. Here, when the component is composed of a plurality of drum sounds, it is necessary that there is a commonality (musical relation) in the performance form between them. For example, a bass drum (BD) and a snare drum (SD) have a high tom tom (TomH), a middle tom tom (Tom M) and a low tom tom (Tom M).
L), Conga's high (Conga H), Conga's low (Conga L) and Timbale (Timb), the temple block's high (TB H) and the temple block's low (TB L) The open (HHO) and the closed hi-hat (HHC) constitute one component each of the agogo high (Agogo H) and the agogo low (Agogo L). Thus, Tamb, Clave, Cowbell, Hand Craps, Clap CY and Ride Cymbal (Ride).
The drum sound of (CY) is a component that is handled independently.

However, tamblins (Tamb) and Claves (Clave), cowbells (Cowbell) and hand craps (Claps), crash cymbals (Crash CY) and ride cymbals (Ride)
CY) may be handled as one component. Other combinations may be used.

FIG. 2 is a diagram showing functional blocks when the electronic musical instrument 1F and the personal computer 20 of FIG. 1 operate as an accompaniment pattern creating device. The operation of the accompaniment pattern creation device of FIG. The personal computer 20 performs the automatic accompaniment process while reading the current pattern from the current pattern memory 1.

The current pattern memory 1, the assignment memory 2, the undo buffer 3, the save memory 4, and the pattern table 63 correspond to predetermined areas of the RAM 23 shown in FIG. The database means 5 corresponds to the hard disk device 24 of FIG. Database means 5
Stores a large number of rhythm pattern data as shown in FIG. The pattern selector 61 includes the designated keys in the drum pattern area of the note numbers A3, A # 3, B3,..., E5 of the keyboard 1A of FIG. The designated keys of B and C correspond respectively.

Therefore, when a component in the database means 5 is appropriately selected by the pattern selector 61, the accompaniment pattern creating apparatus reads the rhythm pattern data corresponding to the component from the database means 5 and supplies it to the current pattern memory 1. . In this embodiment, the component is selected by the pattern selector 61.
That is, a component corresponding to the note number generated by operating the keyboard 1A is designated by operating the keyboard 1A. At this time, since there are a plurality of rhythm patterns in each component, which rhythm pattern data of the designated component is read is determined by the velocity data at the time of operating the keyboard 1A.

That is, as shown in FIG. 4, the head address of each rhythm pattern data constituting each bank A, B, C in the database means 5 is stored in the pattern table 63 in the order corresponding to the complexity of the rhythm pattern. Has been recorded. Therefore, by associating the velocity data at the time of operating the pattern selector 61 with the address of the pattern table 63, the pattern table 63
, The head address of the rhythm pattern data having different degrees of complexity according to the magnitude of the velocity data is supplied to the pattern selector 61. Pattern selector 61
Reads out the rhythm pattern data stored at the address specified by the head address in the database means 5 and supplies it to the current pattern memory 1.
The rhythm pattern data read from the database means 5 is stored in the current pattern memory 1 as a current pattern. The contents of the stored current pattern are subjected to various changes by the editing means 7 and the transformer 9.

The editing means 7 includes a replace input key for the note number F # 2 on the keyboard 1A of FIG. 1, an insert input key for the note number G # 2, a quantization processing designation key for the note number A # 2, and a note number C # 3. , A delete component instruction key of note number D # 3, and an accent input key of note number F # 3.

Here, "replace input" means that the original note event data of the current pattern is erased and only new note event data is stored. The insert input means that new note event data is added to the original note event data of the current pattern and stored. Quantize means that the occurrence timing of a note event is just fitted to the reference timing. The accent is a drum sound in the current pattern, which means that the drum sound corresponding to the operated keyboard is re-accented. The delete drum is a drum sound in the current pattern, and means that only the drum sound corresponding to the operated keyboard is deleted. The delete component is the drum sound in the current pattern,
This means deleting all drum sounds of the component corresponding to the operated keyboard.

The adjective designation means 8 corresponds to the transformer designation keys of the note numbers D2, E2, F2, G2 and A2 of the keyboard 1A of FIG. Transformer 9
Corresponds to the transformer program stored in the ROM 22 of FIG. The contents of the current pattern are transformed according to the adjective specified by the adjective specifying means 8 corresponding to the transformer specification key. The transformer 9 creates a pattern according to a desired image only by instructing a sensory adjective.

The undo means 10 corresponds to the undo key of the note number B2 of the keyboard 1A of FIG. Since the pattern transformed by the transformer 9 is stored in the undo buffer 3, if the desired pattern is not obtained as a result of the transformation, the original pattern can be recalled. That is, since the deformed patterns are stored in the undo buffer 3 in the order of the deformation processing, the original pattern can be recalled by sequentially reading back the contents of the undo buffer 3. The current pattern created by adding or deforming a new pattern in this way is stored in the assignment memory 2.
The pattern stored in the assignment memory 2 can be read at any time by operating a key in the pattern assignment area of the keyboard 1A.

The pattern registration means 62 corresponds to the pattern registration operator on the panel switch 2B of FIG. The pattern registration unit 62 newly registers the current pattern in the current pattern memory 1, that is, the one that has been variously changed by the editing unit 7 and the transformer 9, as new rhythm pattern data in the database unit 5. At this time, the pattern registration unit 62 obtains the complexity of the rhythm pattern data newly registered in the database unit 5, and rearranges the order in the pattern table 63 according to the complexity to create a new pattern table 63. .

For example, the complexity “20” as shown in FIG.
The following describes the rearrangement of the pattern table on the assumption that the rhythm pattern of the tom-tom Tom is newly registered in the disco music pattern table of the bank B of the database means 5. First, the pattern registration means 62
Tom tom rhythm pattern database means 5
At the address "B-n1". Then, the pattern registration unit 62 obtains the complexity of the rhythm pattern of the tom tom Tom. Since the complexity of the rhythm pattern of the tom-tom Tom is “20”, the pattern registering means 62 sets the head address “C-1, B-3, C” after the address “3” of the disco music pattern table as shown in FIG. −2,
C-3,..., Bn "are moved backward by one address, respectively, and the head address" B-n1 "of the rhythm pattern of the tom-tom Tom is newly recorded at the position of the address" 3 ".

Next, FIG. 1 executed by the CPU 11
An example of the processing of the electronic musical instrument 1F will be described with reference to the flowchart of FIG. FIG. 7A is a view of C of the electronic musical instrument 1F of FIG.
FIG. 3 is a diagram illustrating an example of a main routine that is processed by a PU 11. First, when the power is turned on, the CPU 11
2 starts processing corresponding to the control program stored in the control program. In the “initialization process”, various registers and flags in the RAM 13 are initialized. After that, CPU
Numeral 11 repeatedly executes "key processing", "MIDI reception processing" and "other processing" in response to occurrence of an event.

FIG. 7B is a diagram showing details of the “key processing” of FIG. 7A. In the “key processing”, it is determined whether the operation state of the keyboard 1A is a key-on state or a key-off state, and a MIDI note-on message or a MIDI note-off message is transmitted to the personal computer 20 via the MIDI interfaces 1D and 2C according to the determination result. Output. Therefore, in this embodiment, even when the keyboard 1A is operated, the processing of the electronic musical instrument itself, that is, the sound source circuit 17 is not driven. Therefore, at the time of the key processing, the tone generator 17 does not perform the sound generation processing.

FIG. 7C is a diagram showing the details of the “MIDI receiving process” of FIG. 7A. The “MIDI receiving process” is executed every time a MIDI message is input from the personal computer 20 via the MIDI interfaces 2C and 1D. In the "MIDI receiving process", it is determined whether or not the MIDI message is a note-on message, and in the case of note-on (YES), the note-on signal, note number and velocity data are supplied to the tone generator 17;
The tone generator 17 is caused to produce musical tones. Meanwhile, MIDI
If the message is other than note-on (NO), "message handling process" according to the received MIDI message
After that, the process returns to the main routine of FIG. In "other processing", processing based on the operation of other operators on the panel switch 1B and other various processing are performed.

Next, FIG. 1 executed by the CPU 21
An example of the processing of the personal computer 20 will be described with reference to the flowcharts of FIGS. FIG. 8A is a diagram showing an example of a main routine processed by the CPU 21 of the personal computer 20 in FIG. First, when the power is turned on, the CPU 21 starts processing according to the control program stored in the ROM 22. In the “initialization process”, the RAM 2
Initialize various registers and flags in 3. Thereafter, the CPU 21 executes “MIDI reception processing” and “display processing”.
And "other processing" are repeatedly executed.

FIG. 8B is a diagram showing details of the “MIDI receiving process” of FIG. 8A. "MIDI reception processing"
Is executed each time a MIDI message is input from the electronic musical instrument 1F via the MIDI interfaces 1D and 2C. In the “MIDI receiving process”, it is determined whether or not the MIDI message is a note-on message. If the MIDI message is a note-on (YES), a process corresponding to the note number of the key-on (the process of FIGS. 9 to 12) is executed. In the case of note-off (NO), processing corresponding to the key-off note number (the processing in FIG. 13) is executed.

The "display process" is a process for displaying on the display 29 which bank of the database means 5 is being processed, the type of drum sound being played, and which part of the current pattern is being played. I do. Specifically, a screen as shown in FIG. 5 or FIG. 21 is displayed. In "other processing", processing based on the operation of other operators on the panel switch 2B and other various processing are performed. Here, the “pattern registration process” in FIG. 17 according to the operation of the pattern registration operator on the panel switch 2B is performed. Details of the “pattern registration process” will be described later.

FIGS. 9 to 12 are executed when the received MIDI message is a note-on message.
It is a figure which shows the process corresponding to the note number of the note-on message of (B). FIG. 9 (A) shows that the note numbers E0 to B1 are operated by operating the keys in the pattern assignment area corresponding to the note numbers E0 to B1 of the keyboard 1A.
FIG. 9 is a diagram showing a pattern assigning area key process performed when a MIDI message including B1 is received from the electronic musical instrument 1F. In this pattern assignment area key processing, first, it is determined whether or not the assignment flag ASSIGN is at a high level “1”, and processing according to the determination result is performed.

That is, the assign flag ASSIGN
Is set to a high level “1” by the assign key processing of FIG. 9B when the assign key (key of the note number C2) of the keyboard 1A is turned on, and conversely when the key is turned off. The low level is reset to “0” by the processing of FIG. Therefore, the assign flag ASSIGN is at the high level "1" (YES).
If it is determined that the key of the pattern assignment area and the assign key are pressed at the same time, the current pattern in the current pattern memory 1 is assigned to the note number corresponding to the note number. Copy to the assignment memory area of the memory 2 and return.

On the other hand, if it is determined that the assign flag ASSIGN is at the low level "0" (NO), it means that only the key in the pattern assign area has been operated. The rhythm pattern stored in the assignment memory area of the corresponding assignment memory 2 is copied to the current pattern memory 1 and the routine returns.

That is, when a key in the pattern assign area is operated while pressing the assign key, the rhythm pattern data stored in the current pattern memory 1 at that time is registered in that pattern assign area key, and the pattern assign area is registered. When only one key is operated, a rhythm pattern registered in advance for that key is called into the current pattern memory 1.

FIG. 9B shows the note number C2 of the keyboard 1A.
Is assigned to the note number C2
FIG. 11 is a diagram showing an assign key process performed when a MIDI message including a “!” Is received from the electronic musical instrument 1F. In this assign key processing, all flags are set to low level “0”.
And then set the assign flag ASSIGN to high level "1" and return.

FIG. 9C shows the note number D2 of the keyboard 1A.
Transformers 1 to A2 (excluding #)
FIG. 13 is a diagram illustrating a transformer key process performed when the key No. 5 is operated and a MIDI message including note numbers D2 to A2 (excluding #) is received from the electronic musical instrument 1F. The fact that the MIDI message including the note numbers D2 to A2 (excluding #) has been received from the electronic musical instrument 1F means that the type of the adjective of the transformer has been indicated. Therefore, in this transformer key processing, first, all flags are cleared to low level "0", and the type of the adjective of the transformer is determined according to the note number and velocity data in the MIDI message. When the type of the transformer is determined, the transformer flag TRANS is set to a high level "1", and the routine returns.

In this embodiment, two adjectives are assigned to each of the transformers 1 to 5, and one of them is selected according to the magnitude of the velocity data. For example, the transformer 1 has a complex processing (Complex) and a simplification processing (Simple), the transformer 2 has a hardening processing (Hard) and a softening processing (Soft), and the transformer 3 has an activation processing (Energy).
And calm processing (Calm), the expressionless processing (Mechanical) and graceful processing (Graceful) for the transformer 4, and the stuttering processing and the floating processing (Fl) for the transformer 5.
Oatings) are respectively assigned. Therefore, when the magnitude of the velocity data is equal to or smaller than a predetermined value, the former is selected, and when the magnitude is larger than the predetermined value, the latter is selected. When the torus transformer flag TRANS is at the high level “1”, the transformer 9 performs the transformer key processing of FIG. 16D and changes the contents of the current pattern according to the adjective of each transformer.

Hereinafter, the contents of each adjective will be described.
The complication processing (Complex) refers to executing one of the following. The first of the complication processing is performed by searching a triplet-based rhythm pattern corresponding to this template from the database means 5 based on a pattern prototype called a template specified in advance, and adding it to the current pattern. . The second complication processing is performed by randomly extracting drum sounds constituting components other than the crash from the database means 5 and adding the drum sounds to the current pattern.

The simplification processing (Simple) refers to executing one of the following. The first of the simplification process is
This is performed by searching the database means 5 for a rhythm pattern that is closer to the basic rhythm pattern than the rhythm patterns of the bass drum (BD) and the snare drum (SD) in the current pattern, and using that as the current pattern. The second of the simplification processing is to use a database unit 5 that is closer to the basic rhythm pattern than the rhythm pattern of the hi-hat (HHC, HHO) in the current pattern.
, And making it the current pattern. The third of the simplification processing is the above-mentioned bass drum (BD), snare drum (SD), hi-hat (HH).
This is performed by removing rhythm patterns of components other than (C, HHO) from the current pattern.

The hardening process (Hard) refers to executing one of the following. The first of the hardening processing is performed by uniformly increasing all velocities of the rhythm pattern in the current pattern. The second of the hardening processing is performed by exchanging a drum sound in the current pattern from a software component to a hardware component.

Here, the drum sounds constituting the hardware components include, for example, bass drum (BD), snare drum (SD), and tom tom (Tom H, Tom M, To M).
mL), cowbell (Cowbell), Agago (Ag)
ogo H, Agogo L), Hand Craps (Cl
aps) and Crash (Crash CY), and the drum sounds constituting the software components are, for example, Claves, Tambourine (Tamb), Hi-Hat (HHC, HHO), and Ride (Ride C).
Y), Conga (Conga H, Conga L), wood block and shaker. In this embodiment, the drum sounds of the wood block and the shaker are played on the keyboard 1.
Although not assigned to A, these drum sounds are illustrated as constituting a software component.

Softening means executing one of the following. The first of the softening processing is performed by uniformly decreasing all velocities of the rhythm pattern in the current pattern. Second of softening process
Is performed by exchanging the drum sound in the current pattern from the hardware component to the software component.

The activation processing (Energy) refers to executing one of the following. The first of the activation processing is performed by increasing the rhythm pattern based on the template in the current pattern. The second of the activation processing is performed by making the tempo speed close to about 120. The third type of the activation process is to convert the rhythm pattern in the current pattern into three based on the template.
This is performed by approaching (shuffling) a tuplet rhythm pattern.

The calm processing (Calm) refers to executing one of the following. The first of the calming processes is performed by reducing the rhythm pattern based on the template in the current pattern. The second of the calming processing is performed by making the tempo speed close to about 60. The third smoothing process is performed by bringing the rhythm pattern in the current pattern closer to the non-triplet rhythm pattern based on the template (non-shuffle).

The expressionless processing (Mechanical) refers to executing one of the following. The first expressionless processing is performed by quantizing the rhythm pattern in the current pattern into 16 minutes based on the template. The second of the expressionless processing is performed by quantizing the rhythm pattern in the current pattern into eight minutes based on the bass drum (BD) or the snare drum (SD) based on the template. The third expressionless processing is performed by exchanging the drum sound in the current pattern from the software component to the hardware component. The fourth of the expressionless processing is performed by compressing the velocity data to a value centered on a value of “90”.

The beautification process (Graceful) refers to executing one of the following. The first of the beautification processing is performed by extending the velocity data to both sides around the value of “64”. The second of the beautification process
Is performed by adding a triplet-based rhythm pattern to the current pattern based on the template. The third grace process is performed by exchanging drum sounds in the current pattern from hardware components to software components. The fourth of grace processing
Is performed by applying flutter (adding a decorative sound) to the drum sound in the current pattern.

The stuttering processing (Stuttering) refers to executing one of the following. The first of the stuttering processing is performed by deleting the downbeat from the rhythm pattern in the current pattern based on the template and converting it to an upbeat (syncopation). The second of the stuttering processing is performed by adding a triplet-based rhythm pattern to the current pattern based on the template.

Floating processing (Floating) refers to executing one of the following. The first floating processing is performed by deleting an upbeat from a rhythm pattern in the current pattern and converting it to a downbeat (non-syncopated) based on the template. The second floating processing is performed by reducing the triplet rhythm pattern from the current pattern based on the template. The third of floating processing
Is performed by adding a 12/8 triplet rhythm pattern to the current pattern based on the template. The fourth floating processing is performed by exchanging drum sounds in the current pattern from hardware components to software components. The fifth of the floating processing is performed by making the tempo speed close to "120".

FIG. 9D shows the note number B2 of the keyboard 1A.
The undo key corresponding to is operated, and the note number B2
FIG. 11 is a diagram showing an undo key process performed when a MIDI message including a MIDI message is received from the electronic musical instrument 1F. In this undo key processing, all flags are set to low level “0”.
And then set the undo flag UNDO to high level "1" and return.

When the undo flag UNDO is at the high level "1", the undo means 10 performs the undo process shown in FIG. 16A, reads the previous rhythm pattern from the undo buffer 3, and copies it to the current pattern memory 1. As a result, if the user does not like the result of the pattern change by the transformer 9, the user can return to the previous rhythm pattern. Since the undo buffer 3 stores a total of 20 rhythm patterns in order, the previous rhythm pattern can be restored to the current pattern memory 1 by going back in sequence according to the operation of the undo key. It has become.

FIG. 9E shows the note number C3 of the keyboard 1A.
FIG. 9 is a diagram showing start / stop key processing performed when a start / stop key corresponding to the key is operated and a MIDI message including a note number C3 is received from the electronic musical instrument 1F. In this start / stop key processing, first, it is determined whether or not the traveling state flag RUN is at a high level "1", and processing according to the determination result is performed. Here, the running state flag RUN is stored in the current pattern memory 1
Indicates whether the current pattern is being read from.

Therefore, when it is determined that the running state flag RUN is at the high level "1" (YES), the running state flag RUN is set to the low level "0" to stop reading, and the routine returns. On the other hand, if it is determined that the running state flag RUN is at the low level “0” (NO), the first timing data of the current pattern memory 1 is stored in the timing register T in order to start reading.
IME is set, the running state flag RUN is set to high level "1", and the routine returns. As a result, FIG.
Current pattern memory 1 in the timer interrupt process 4
, The reading process of the current pattern is sequentially executed.

FIG. 9F shows the note number D3 of the keyboard 1A.
When one of the keys of banks A, B, and C corresponding to F3 to F3 (excluding #) is operated and a MIDI message including note numbers D3 to F3 (excluding #) is received from electronic musical instrument 1F. FIG. 6 is a diagram showing key A, B, and C key processing performed. In the bank A, B, and C key processing, one of "1", "2", and "3" is stored in the bank register BANK, and the process returns. In this embodiment, when the key of the bank A corresponding to the note number D3 is operated, "1" is stored in the bank register BANK, and when the key of the bank B corresponding to the note number E3 is operated. Stores "2" in the bank register BANK,
When the key of the bank C corresponding to the note number F3 is operated, "3" is stored in the bank register BANK. As a result, the banks A, B, and C of the database means 5 are switched according to the key operation. If a component is specified thereafter, the rhythm pattern is read from that bank and stored in the current pattern memory 1. Become so.

FIG. 10A shows the note number G of the keyboard 1A.
The lock key corresponding to 3 is operated, and the note number G3
FIG. 8 is a diagram showing a lock key process performed when a MIDI message including a “!” Is received from the electronic musical instrument 1F. In this lock key processing, all flags are cleared to low level “0” and then the lock flag LOCK is changed to high level “1”.
Set and return. The rhythm pattern from the database means 5 is normally effective only while operating the keys in the drum pattern area, but by operating this lock key, the contents of the rhythm pattern are determined,
The rhythm pattern remains valid even when the key in the drum pattern area is released.

FIG. 10B shows the note number C of the keyboard 1A.
MIDI keys including note numbers C # 2 and D # 2 are operated by operating the keys of variations 1 and 2 corresponding to # 2 and D # 2.
It is a figure which shows the variation 1 and 2 key process performed when a message is received from the electronic musical instrument 1F. In the variation 1 and 2 key processing, the variation flags VA are cleared after all flags are cleared to low level “0”.
A high level "1" is set in RI1 or VARI2, and the routine returns. Thus, when the reading of the current pattern has advanced to the bar line, the variation pattern (the adjective sequence in FIG. 3) is read.

FIG. 10C shows the note number F of the keyboard 1A.
FIG. 14 is a diagram showing a replace key process performed when a replace key corresponding to # 2 is operated and a MIDI message including a note number F # 2 is received from the electronic musical instrument 1F. In this replacement key processing, all the flags are cleared to low level “0” and then the replacement flag REP is set.
LACE is set to high level "1" and the routine returns. Thus, if a key in the drum pattern area is operated while the replace key is kept pressed, the processing in FIG. 11D is executed, and the corresponding drum sound is input at the position of the operation timing. At this time,
The previous corresponding drum sound is deleted.

FIG. 10D shows the note number G of the keyboard 1A.
FIG. 11 is a diagram illustrating insert key processing performed when an insert key corresponding to # 2 is operated and a MIDI message including a note number G # 2 is received from the electronic musical instrument 1F. In this insert key processing, all flags are cleared to low level “0” and then the insert flag INS is cleared.
A high level "1" is set in ERT, and the routine returns.
As a result, if a key in the drum pattern area is operated while the insert key is kept depressed, the corresponding drum sound is input at the position of the operation timing. At this time, a new drum sound is added without deleting the previous drum sound.

FIG. 10E shows the note number A of the keyboard 1A.
FIG. 11 is a diagram showing a quantize key process performed when a quantize key corresponding to # 2 is operated and a MIDI message including a note number A # 2 is received from the electronic musical instrument 1F. In this quantization key processing, all flags are cleared to low level “0”, and the quantization resolution is determined according to the magnitude of the velocity data at that time.
A high level "1" is set in the quantize flag QUANT and the routine returns. Thus, when the current pattern has been read to the bar line, when reading the rhythm pattern after the next bar line, the data itself is not rewritten, and only the read timing is quantized and read. Such a process is called a read quantization process.

FIG. 10F shows the note number C of the keyboard 1A.
The delete drum key corresponding to # 3 is operated, and a MIDI message including the note number C # 3 is transmitted to the electronic musical instrument 1F.
It is a figure which shows the delete drum key process performed when it is received from. In this delete drum key processing, all flags are cleared to low level "0", and then the delete drum flag DELDRUM is set to high level "1", and the routine returns. Thereby, for example, if a note-on message of note number C4 is detected thereafter,
A drum sound (tom tom low (TomL)) corresponding to note number C4 is deleted from the current pattern.

FIG. 11A shows the note number D of the keyboard 1A.
FIG. 21 is a diagram showing a delete component key process performed when a delete component key corresponding to # 3 is operated and a MIDI message including a note number D # 3 is received from the electronic musical instrument 1F. In this delete component key processing, all flags are set to low level “0”.
Clear component flag DELC
A high level "1" is set in OMP and the routine returns.
Thus, for example, if a note-on message of note number C4 is subsequently detected, the drum sound of the component including the tom low (Tom L) of note number C4 (that is, the tom high (Tom))
H), tom tom mid (Tom M), and tom tom low (Tom L) are all deleted from the current pattern.

FIG. 11B shows the note number F of the keyboard 1A.
FIG. 11 is a diagram showing accent key processing performed when an accent key corresponding to # 3 is operated and a MIDI message including a note number F # 3 is received from the electronic musical instrument 1F. In this accent key processing, after clearing all flags to low level “0”, accent flag ACC
ENT is set to a high level "1", and the routine returns.
Thereby, for example, a note-on message of note number C4 is detected thereafter, and the corresponding note number C4 is detected.
If a note event with the same note number is read from the current pattern before the note-off message of No. 4 is detected, the velocity of the note event is rewritten to the note-on velocity of C4.

FIG. 11C shows the note number G of the keyboard 1A.
FIG. 9 is a diagram showing a fill-in key process performed when a fill-in key corresponding to # 3 is operated and a MIDI message including a note number G # 3 is received from the electronic musical instrument 1F. In this fill-in key processing, first, all flags are cleared to low level “0”, and then the current pattern in the current pattern memory 1 is temporarily saved in the save memory 4. Then, the fill-in patterns of the corresponding banks A, B, and C of the database means 5 are copied to the current pattern memory 1, and the read-out position (data on the pattern corresponding to the timing in the current bar) is searched, and then the fill-in is performed. A high level “1” is set in the flag FILL and the process returns. As a result, the fill-in pattern is played from the time when the fill-in key corresponding to the note number G # 3 is operated to the end of the bar.

FIG. 11D shows the note number A of the keyboard 1A.
It is a figure which shows the drum key process performed when the key of the drum pattern area corresponding to 3-E5 is operated and the MIDI message containing note numbers A3-E5 is received from the electronic musical instrument 1F. In this drum key process, first, it is determined whether any of the flags (replacement flag REPLACE, insert flag INSERT, delete drum flag DELDRUM, and delete component flag DELCOMP) other than the lock flag LOCK is at a high level “1”. Perform the corresponding processing.

That is, if the note number is one of A3 to E5, it is a designation of a drum sound (single sound) or a component. Therefore, the lock flag LO
Any flag other than CK is high level “1” (YE
If determined to be S), the flag corresponding process 1 corresponding to the flag set to the high level “1” is executed and the process returns. Details of the flag handling process 1
This is shown in FIG.

On the other hand, if it is determined that none of the flags other than the lock flag LOCK is not the high level “1” (NO), the sound of the component corresponding to the pressed key (note number) Drum sound) is deleted from the current pattern and temporarily saved in the save memory 4. The rhythm pattern of the component (drum) corresponding to the pressed key (note number), velocity data, and genre is selected with reference to the pattern table 63, and the rhythm pattern of the selected component is read from the database means 5. To add to the current pattern. The complexity of the selected rhythm pattern is displayed on the display 29 as shown in FIG.

Thus, by simply pressing the keys corresponding to the note numbers A3 to E5, the rhythm pattern of the component corresponding to the note number can be selected and added according to the magnitude of the velocity data. .
In the pattern table 63, as shown in FIG. 4, the head address of the rhythm pattern is stored in order so that the larger the velocity value, that is, the larger the address, the more complicated the pattern. Can be selected more finely.

FIG. 12 is a diagram showing the details of the flag handling process 1 of FIG. 11 (D). This flag handling process 1 includes a replacement flag REPLA other than the lock flag LOCK.
This processing is performed when any one of CE, the insert flag INSERT, the delete drum flag DELDRUM, and the delete component flag DELCOMP is at a high level “1”.

FIG. 12A shows the note number F of the keyboard 1A.
It is a figure which shows the replacement process performed by operating the key of a drum pattern area in the state where the replacement key corresponding to # 2 is pressed. That is, while the replace key is being pressed, the replace flag REPRAC is executed by the replace key processing of FIG.
Since the high level “1” is set to E,
In the drum key processing of (D), it is determined that the replacement flag REPLACE other than the lock flag LOCK is at the high level “1”, and the replacement processing is performed. In this replacement processing, the drum sound corresponding to the note number is added to the current pattern together with the velocity data. Then, the high level “1” is set to the delete flag of the pressed drum sound, and the process returns to the drum key processing of FIG. The drum sound whose delete flag is set to the high level “1” is deleted from the current pattern in step 56 of FIG.

FIG. 12B shows the note number G of the keyboard 1A.
It is a figure which shows the insert process performed by operating the key of a drum pattern area in the state where the insert key corresponding to # 2 is pressed. That is, while the insert key is being pressed, the insert flag INSERT is executed by the insert key processing of FIG.
Is set to a high level "1" in FIG.
It is determined that the insert flag REPLACE other than the lock flag LOCK is at the high level “1” in the drum key processing of, and the insert processing is performed. In the insert processing, the drum sound corresponding to the note number is added to the current pattern together with the velocity data, and the process returns to the drum key processing in FIG.

FIG. 12C shows the note number C of the keyboard 1A.
It is a figure which shows the delete drum process performed by operating the key of a drum pattern area in the state which is pressing the delete drum key corresponding to # 3. That is, while the delete drum key is being pressed, FIG.
Since the delete drum flag DELDRUM is set to a high level “1” by the delete drum key processing of FIG. 11F, the delete drum flag DELDRUM other than the lock flag LOCK is set in the drum key processing of FIG.
Is determined to be the high level "1", and the delete drum process is performed. In this delete drum process, a high level “1” is set to the delete flag of the pressed drum sound, and the process returns to the drum key process of FIG. The drum sound whose delete flag is set to the high level “1” is deleted from the current pattern in step 54 of FIG.

FIG. 12D shows the note number D of the keyboard 1A.
It is a figure which shows the delete component process performed by operating the key of a drum pattern area in the state where the delete component key corresponding to # 3 is pressed. That is, while the delete component key is being pressed, the delete component flag D is generated by the delete component key processing of FIG.
Since the high level “1” is set in ELCOMP,
Lock flag LOCK in the drum key processing of FIG.
It is determined that the delete component flags DELCOMP other than are at the high level “1”, and the delete component processing is performed. In the delete component process, the high level “1” is set to the delete flag of the component including the pressed drum sound, and the process returns to the drum key process of FIG. The drum sound constituting the component whose delete flag is set to the high level "1" is deleted from the current pattern in step 54 of FIG.

FIG. 13 is a diagram showing the details of the processing corresponding to the note number of the note-off message in FIG. 8B performed when the received MIDI message is a note-off message. In FIG. 13A, an assign key corresponding to the note number C2 of the keyboard 1A, a note number G3
Lock key corresponding to note number F # 2, insert key corresponding to note number G # 2, quantize corresponding to note number A # 2, delete drum corresponding to note number C # 3, note The delete component key corresponding to the number D # 3 or the accent key corresponding to the note number F # 3 is operated, and the note numbers C2, G3, F # 2, G # 2,
When a MIDI message including A # 2, C # 3, D # 3, or F # 3 is received from the electronic musical instrument 1F, a high level "1" is obtained in each key processing of FIGS. 9 to 11 corresponding to each note number. Clear the flag set to "".

FIG. 13B shows the note number A of the keyboard 1A.
FIG. 13 is a diagram illustrating a drum key process performed when keys of the drum pattern areas corresponding to Nos. 3 to E5 are released and MIDI messages including note-off messages of note numbers A3 to E5 are received from the electronic musical instrument 1F. In this drum key processing, first, it is determined whether or not the lock flag LOCK is low level “0”. If YES, the following processing is performed, and if NO, the rhythm pattern being read from the database means 5 is determined. Then, the process returns to the main routine of FIG. When the lock flag LOCK is at the low level “0”, the drum sound (single sound) or the component sound of the note number A3 to E5 of the released key is deleted from the current pattern,
Component (drum) retracted in FIG. 11 (D)
To the current pattern.

FIG. 14 is a diagram showing a timer interrupt process executed by 480 interrupts per quarter note. This timer interrupt processing is performed in accordance with the tempo when the current pattern is read from the current pattern memory 1.
That is, the interrupt cycle is changed according to the tempo. This process is executed sequentially in the following steps.

Step 31: It is determined whether or not the running state flag RUN is at a high level "1".
If (YES), proceed to the next step 32, otherwise (NO), return. Step 32: Determine whether the value of the time register TIME storing the timing data is "0", that is, whether the time until the next note event has elapsed,
In the case of “0” (YES), the time has elapsed, so the flow proceeds to the next step 33; otherwise (NO), the time has not yet elapsed, and the flow proceeds to step 40.

Step 33: Since it is determined in the previous step 32 that the time until the next note event has elapsed,
Here, the event data corresponding to the timing is read. Step 34: It is determined whether or not the event data read out in the previous step 33 is end data. If the event data is end data, the process proceeds to step 39; otherwise, the process proceeds to step 35.

Step 35: Since it is determined that the event data read out in the previous step 33 is data other than end data, a MIDI note event (MIDI message) corresponding to the data is transmitted via the MIDI interfaces 2C and 1D. To the electronic musical instrument 1F.
The details of the MIDI note event output will be described later. Step 36: The next data of the event data read in the previous step 33 is read.

Step 37: It is determined whether or not the data read in the previous step 36 is timing data.
In the case of ES, the process proceeds to the next step 38, and in the case of NO, the process returns to step 34. Therefore, the previous step 36
If the data read in step is end data, YES is determined in step S34, and the processing in step S39 is performed. If the data is event data, the processing in steps S35 and S36 is performed.

Step 38: The read timing data is set in the time register TIME. Step 39: Since the end data is determined in the previous step 34, the first timing data of the rhythm pattern is set in the time register TIME, and the process proceeds to step 41. Step 40: Since it has been determined in the previous step 32 that the time has not yet elapsed, the time register TI
The value of ME is decremented by 1 and the process proceeds to step 41.

Step 41: Read timing in a bar (counted by a counter not shown)
Is determined to be a bar line timing. If it is a bar line timing (YES), the flow advances to the next step 42, otherwise (NO), the flow returns. Step 42: It is determined whether any of the flags is at the high level "1". If there is a flag at the high level "1" (YES), the process proceeds to step 43; otherwise, the process returns. Step 43: Since it has been determined in the previous step 42 that there is a high-level "1" flag, a flag-corresponding process 2 corresponding to the high-level "1" flag is performed, and the process returns. The details of the flag handling process 2 are shown in FIG.
Is shown in

FIG. 15 shows the MID of step 35 in FIG.
It is a figure showing the details of I note event output processing. In the MIDI note event output process, if any of the accent flag ACCENT, the delete drum flag DELDRUM, or the delete component flag DELCOMP is at the high level “1”, the process corresponding to the flag is performed. A note event output process according to the rhythm pattern in the pattern memory 1 is performed. This process is executed sequentially in the following steps.

Step 51: note number F of keyboard 1A
It is determined whether the accent key corresponding to # 3 is depressed and the accent flag ACCENT is set to the high level "1". If the accent flag is set (YES), the process proceeds to the next step 52; If no, the process proceeds to step 53. Step 52: If the note number of the read note event corresponds to the note number of the received note event (the note number is on at that time), the velocity of the read note event is replaced with the velocity of the received note-on message. .

Step 53: note number C of keyboard 1A
It is determined whether or not the delete drum key corresponding to # 3 is pressed, and whether or not the delete drum flag DELDRUM of any of the drum sounds is set to a high level "1". Step 5
Go to step 4; otherwise (NO), go to step 55. Step 54: If the event of the drum sound corresponding to the received note number exists in the events read from the current pattern memory 1, it is deleted from the events of the read current pattern.

Step 55: Note number D of keyboard 1A
The delete component key corresponding to # 3 is depressed, and it is determined whether or not the delete component flag DELCOMP of any of the components is set to a high level "1".
S) If not, proceed to the next step 56, otherwise (N
If it is O), go to step 59. Step 56: If the event of the drum sound constituting the component corresponding to the received note number is present in the event read from the current pattern memory 1, the current read of all the drum sounds constituting the component is read out. Delete from the pattern event.

Step 57: Previous step 54 or 56
It is determined whether there is any remaining event in the read current pattern event as a result of the deletion of the drum sound in step. ), Return and proceed to step 36 in FIG. Step 58: The note event subjected to accent processing in step 52, the note event remaining as a result of deletion in step 54, or the note event not processed in steps 52, 54, 56
Output to the electronic musical instrument 1F via C and 1D.

FIG. 16 is a diagram showing the details of the flag corresponding process 2 in step 43 of FIG. This flag handling process 2 includes an undo flag UNDO, a fill-in flag FI
This processing is performed when any one of the LL, the variation flags VARI1, VARI2, and the transformer flag TRANS is at a high level “1”.

FIG. 16A shows the note number B of the keyboard 1A.
FIG. 11 is a diagram illustrating an undo process performed when a high level “1” is set in an undo flag UNDO by pressing an undo key corresponding to No. 2 (UNDO = 1); In this undo process, the pattern immediately before the rhythm pattern stored in the undo buffer 3 is read and transferred to the current pattern memory 1 as a current pattern. And the undo flag UN
DO is cleared to low level "0".

FIG. 16B shows the note number G of the keyboard 1A.
FIG. 11 is a diagram illustrating a fill-in return process performed when a high-level “1” is set in a fill-in flag FILL by pressing a fill-in key corresponding to # 3 (FILL = 1). In this fill-in return processing, the rhythm pattern saved in the save memory 4 is read and copied as the current pattern in the current pattern memory 1. Then, the fill-in flag FILL
To the low level “0”.

FIG. 16C shows the note number D of the keyboard 1A.
When the variation key corresponding to # 2 or C # 2 is pressed, the variation flags
FIG. 9 is a diagram illustrating variation processing performed when ARI2 is set to a high level “1” (VARI1 or VARI2 = 1). In this variation process, since the variation is being designated, the next (or first) adjective is read from the variation sequence of FIG. For example, if there are four measures in the variation sequence, the adjectives are read out one by one each time this process is executed, and the processing is repeated until the four readings are completed. Then, when the processing has been completed four times, the variation flag VARI1 or VARI2 is cleared to a low level “0”.

FIG. 16D shows the note number D of the keyboard 1A.
FIG. 8 is a diagram showing transformer processing performed when a high level “1” is set in a transformer flag TRANS by pressing a transformer key corresponding to 2, E2, F2, G2, and A2 (TRANS = 1). is there. In this transformer processing, an operation of copying the current pattern in the current pattern memory 1 to the undo buffer 3 and changing the contents of the current pattern according to the designated adjective is performed.
The details of this calculation will be described later. Then, the transformer flag TRANS is cleared to a low level “0”.

FIG. 17 shows “pattern registration processing” in “other processing” of FIG. 8 performed by the CPU 21 of the personal computer 20.
It is a figure which shows the detail of. This "pattern registration process"
When registering new rhythm pattern data in the current pattern memory 1 in the database means 5, the complexity of the rhythm pattern data is obtained, and the level at which the complexity is located in the pattern table 63 is determined. This is a process of rewriting the pattern table 63 by registering it at the level position. This process is executed sequentially in the following steps.

Step 71: The complexity of the rhythm pattern to be newly registered is obtained, and the complexity is stored in the newly registered complexity register COMP (N). Step 72: The complexity of the rhythm pattern of the address register AD = 1 is read from the pattern table 63 of FIG. 2, and the complexity is registered in the registered complexity register COMP (D).
To be stored. The address register AD stores an address on the pattern table of FIG.

Step 73: New registration complexity register C
The complexity of OMP (N) is a registered complexity register COMP
It is determined whether the complexity is smaller than (D). If it is smaller (YES), the process proceeds to step 76; Step 74: The address register AD is incremented by one. Step 75: Read the complexity of the rhythm pattern recorded at the address of the address register AD from the pattern table 63, store the complexity in the registered complexity register COMP (D), and return to step 73. In other words, the steps 73 to 75 are executed when the complexity of the newly registered rhythm pattern is
The address corresponding to the above is detected.

Step 76: Since it is determined in the previous step 73 that the complexity of the newly registered complexity register COMP (N) is smaller than the complexity of the registered complexity register COMP (D), the address register The start address of the rhythm pattern after the address of AD is shifted backward by one address and recorded. Step 77: The head address of the newly registered rhythm pattern and its complexity are registered in the address position of the address register AD.

FIGS. 18 to 20 are diagrams showing an example of an arithmetic processing for changing the contents of the current pattern by the transformer processing. In the transformer processing shown in FIGS. 18 to 20, the rhythm pattern to be changed in the current pattern is searched for a search template (Search).
h-template) and replace it with a replace template (Replace-template).
te), the pattern is changed to a predetermined rhythm pattern and replaced. Specifically, the rhythm pattern corresponding to the search template is replaced with a triplet-based rhythm pattern of the replacement template.

[0139] In the figure, the data format of the search template is Search-template =
((Offset data) (search data) (error range data)), and the data format of the replacement template is Replace-template =
((Replace data) (Velocity selection data)
(Drum sound selection data)). A rhythm pattern represented by timing data is stored in the search data and the replacement data. That is, in this embodiment, the timing data value corresponding to the quarter note is “480”, and the timing data value corresponding to the eighth note is “2”.
40, the timing data value corresponding to the 16th note
0 ”, the timing data value corresponding to the 32nd note is“ 60 ”
And Therefore, the search data (0 240 360 480) of the search template shown in FIG.
A rhythm pattern equivalent to a quarter note composed of eight eighth notes and two sixteenth notes is shown, and the replacement data (0 160 320) of the replacement template indicates a rhythm pattern of a triple note system equivalent to a quarter note.

In FIG. 18, the data format of the search template is Search-template =
((0 480 960 1440) (0 240 3
60 480) (20 20 20 20))
The data format of the replacement template is Rep
place-template = ((0 160 32
0) (001) (011)). Search template offset data (0 480 960 144
0) indicates the offset amount when the rhythm pattern indicated by the search data is searched from within the current pattern, that is, the position in the current pattern where the rhythm pattern indicated by the search data should exist. Error range data (20
20 20 20) indicates an allowable error range of the search data. Therefore, the rhythm pattern is the search data (0 2
40 360 480), search data including error range data (0 ± 20 240 ± 2)
0 360 ± 20 480 ± 20) = (460-20)
A rhythm pattern corresponding to 220 to 260 340 to 380 460 to 20) is a change target and is replaced with replacement data.

The replacement data (0 160 320) of the replacement template indicates the rhythm pattern to be replaced. The velocity selection data indicates which note of the search data is used as the velocity of the replacement data. That is, "0" of the velocity selection data indicates the velocity of the first data (eighth note) of the search data, and "1" indicates the second data (first sixteenth note) of the search data. ), And “2” indicates the velocity of the third data (second 16th note) of the search data. Each order of the velocity selection data corresponds to the order of the replacement data.

That is, the velocity selection data (00
In the case of 1), the first data (8
The velocity of the first note is replaced by the first and second data of the replacement data (the first and second notes of the triplet), and the velocity of the second data (the sixteenth note) of the search data is replaced. The velocity is replaced with the third data of the replacement data (the third note of the triplet).

The drum sound selection data indicates which note of the search data is used as the drum sound of the replacement data. That is, "0" of the drum sound selection data indicates the drum sound of the first data (eighth note) of the search data, and "1" indicates the second data (first sixteenth note) of the search data. ) Indicates the drum sound, and “2” is the third data of the search data (the second sixteenth note)
Shows the drum sound. Each order of the drum sound selection data corresponds to the order of the replacement data.

That is, the drum sound selection data (011)
In the case of, the drum sound of the first data (eighth note) of the search data is replaced with the drum sound of the first data of the replacement data (the first note of the triplet), and the search data Indicates that the drum sound of the second data (sixteenth note) is replaced with the drum sound of the second and third data (the second and third notes of the triplet) of the replacement data.

FIG. 18 shows a search template ((04)
80 960 1440) (0 240 360 48
0) (20 20 20 20)) and the replacement template ((0 160 320) (001) (01
FIG. 19 is a diagram showing a state in which the current pattern of FIG. 18A is sequentially subjected to the transformer processing as shown in FIGS. 18B to 18E according to 1)). First, the current pattern shown in FIG.
960 1440) from the search data (0 24
Since a rhythm pattern corresponding to a quarter note corresponding to (0 360) exists, any one of them is randomly replaced. In this example, the fourth rhythm pattern corresponding to the search data (0240 360) is replaced data (0160 320) as shown in FIG.
Is replaced by a triplet, and at the next point,
As shown in FIG. 18 (D), the second rhythm pattern is replaced with a triplet as shown in FIG.
The third rhythm pattern is replaced with a triplet, and finally the third rhythm pattern is replaced with a triplet as shown in FIG.
By being replaced with tuplets, the rhythm pattern of FIG. 18A becomes a triplet rhythm pattern as shown in FIG.

FIGS. 19A and 19B show search templates ((0 480 1440) (0 240
360 480) (20 20 20 20)) and the replacement template ((0 160 320) (0
FIG. 19 is a diagram illustrating a state where the current pattern of FIG. 18A is subjected to the transformer processing in accordance with (01) and (011)). The current pattern shown in FIG.
(A) is the same as the offset data (0 480).
960 1440) from the search data (0 2
A rhythm pattern corresponding to (40 360) exists.
However, in FIG. 19A, the offset data of the search template is (0 480 1440), and “960” is deleted from the offset data in the case of FIG. Therefore, in this case, FIG.
As shown in (B), only the third rhythm pattern corresponding to the search data (0 240 360) is not replaced by the triplet of the replacement data (0 160 320), but the original (0 240 360) The rhythm pattern will be maintained.

FIGS. 19C and 19D show search templates ((0 480 960 1440) (0
240 360 480) (20 20 20 2
0)) and the replacement template ((0 160 3
20) According to (001) (011)), FIG.
FIG. 6 is a diagram showing a state in which the current pattern is subjected to transformer processing. Unlike the current pattern of FIG. 18A, the current pattern of FIG. 19C has no rhythm pattern corresponding to the search data (0 240360) based on the offset data “0”, “480”, and “960”. Is the last offset data "1440"
There is a rhythm pattern corresponding to the search data (0 240 360) with reference to. Therefore, in this example, the search data (0 240
Only the fourth rhythm pattern corresponding to (360) is replaced with the triplet of the replacement data (0 160 320), and the other rhythm patterns maintain the original rhythm pattern.

FIG. 20 is a diagram showing how the drum sound and velocity of the rhythm pattern are replaced in accordance with the drum sound selection data and the velocity selection data. FIG. 20 (A) and FIG. 20 (B)
In the search template ((0480960)
1440) (0 240 360 480) (202
0 20 20)) and the replacement template ((0
160 320) (001) (011))
Is the same as Therefore, the rhythm pattern of FIG. 20A is a triplet rhythm pattern as shown in FIG.

At this time, the drum sound selection data is (01
1), the drum sound of the first data (eighth note) of the search data is replaced with the drum sound of the first data (first note of a triplet) of the replacement data, and the search data Is replaced by the drum sound of the second and third data of the replacement data (the second and third notes of the triplet). This situation is indicated by arrows at the portions where the first and second rhythm patterns are replaced with triplets in FIGS. Similarly, since the velocity selection data is (001), the velocities of the first data (eighth note) of the search data are the first and second data of the replacement data (first note of the triplet).
And the second note), and the velocity of the second data (sixteenth note) of the search data is replaced by the third data (third note of the triplet) of the replacement data. It will be. This situation is shown in FIG.
Arrows indicate where the third and fourth rhythm patterns in (A) and (B) are replaced by triplets.

In FIG. 20 (C) and FIG. 20 (D),
The search template is ((0 480 960 144
0) (0 240 360 480) (20 202
020)), which is the same as the above case, except that the replacement template is ((0160 320) (001)
(***)), and only the drum sound selection data is different from the previous case. In this case, only the drum sound selection data is different, and the rhythm pattern of FIG. 20C is similar to that of the above-described transformer processing.
It is replaced by a triplet rhythm pattern as shown in (D).

At this time, (**) of the drum sound selection data
*) Indicates (000), (111), (222), (01)
As shown in 2), combinations of “0”, “1” and “2” appear in order. Therefore, FIG.
In the first rhythm pattern (C), the drum sound of the first data (eighth note) of the search data is replaced with the first, second, and third data of the replacement data (first note of the triplet). , 2nd and 3rd notes). In the second rhythm pattern, the drum sound of the second data (sixteenth note) of the search data is replaced with the first, second, and third data of the replacement data (first, second, and third notes of the triplet). The third note is replaced with the drum sound.

In the third rhythm pattern, the drum sound of the third data (sixteenth note) of the search data is replaced with the first, second and third data (3
The first, second and third notes of the tuplet are replaced by the drum sound. In the fourth rhythm pattern, the drum sound of the first data (eighth note) of the search data is replaced with the drum sound of the first data (first note of the triplet) of the replacement data. The drum sound of the second data (sixteenth note) of the data is the second data of the replacement data.
The drum sound of the third data (the 16th note) of the search data is replaced by the drum sound of the third data (the 16th note) of the search data. The third note is replaced by the drum sound. This situation is indicated by an arrow at a portion where each rhythm pattern in FIGS. 20C and 20D is replaced by a triplet.

FIG. 21 is a diagram showing a display example of the display screen of the display 29 of FIG. The bank display section 29A
This indicates which bank of the hard disk drive 24 is the current bank. The figure shows that the current bank is bank A. This bank display section 29A
Below is a portion that indicates the current state of the current pattern. This part includes a drum sound name display section 29B, a current sound display section 29C, a current pattern display section 29D, and a current position display section 29E. The drum sound name corresponding to the keyboard 1A is displayed in the drum sound name display section 29B. The current sounding display section 29C is composed of a circular lighting section provided on the right side of each drum sound, and only the lighting section corresponding to the currently sounding drum sound is lit. The current pattern display section 29D displays a rhythm pattern for one bar by a square lighting section. In the figure, closed rhythm patterns of a bass drum, a snare drum, and a hi-hat are respectively displayed. The current position display section 29E indicates a currently sounding position in one bar.

By performing such a display, it is possible to recognize at a glance the drum sound to be emitted and the contents of the current current pattern. Further, even when the current pattern is deformed, the contents of the deformation can be easily grasped. In this case, the pattern before the deformation and the pattern after the deformation may be simultaneously displayed. Further, FIG.
May be displayed at the same time.

In the above embodiment, rhythm accompaniment has been described as an example, but the present invention is not limited to this, and the present invention may be applied to accompaniment such as bass and chord backing. For example, a large number of base patterns and a large number of backing patterns may be stored in a database, and one of the patterns may be selected for each part by operating the operation element. That is, base part, packing part 1,
2, 3, ... (Each backing part has a different tone)
After operating the controls of the base part, select one of the base patterns from the database, and operate the controls of the packing part 1 to select one of the backing patterns from the database. I just need.

Further, in the above-described embodiment, the case has been described where the flag corresponding processing 2 (undo processing, fill-in processing, variation processing, and transformer processing) is executed when the performance up to the bar line is completed. May be executed immediately when the key corresponding to is operated.

In the accent processing in step 52 of FIG. 15, the velocity corresponding to the note number of which the note is turned on is directly replaced with the note-on velocity.
Although it is an accent, it is easy to use multiple accent templates such as the search template and the replace template described above (for example, a pattern indicating how much velocity is replaced at each timing)
These may be selected by the velocity corresponding to the note number of which the note is turned on, and the velocity of the selected accent template may be replaced with the note-on velocity.

In the above-described embodiment, the keyboard of the keyboard instrument is used as a key for assigning various functions. However, switches are displayed on the display of the personal computer, and various functions are designated by designating the switches. Is also good. In addition to the keyboard, a drum pad or the like may be used, or a simple switch may be used. Further, in the above-described embodiment, a case has been described in which all functions are designated by a keyboard. However, various functions may be designated in combination with other controls, such as assigning a lock function to a foot switch. Good.

In the embodiment, the electronic musical instrument and the personal computer are connected by the MIDI line to form the automatic accompaniment device.
It may be applied to a single electronic musical instrument. In the above embodiment,
When specifying an adjective of a transformer, two types of adjectives are assigned to one key, and they are switched according to the velocity value. However, the degree of deformation by the adjective is changed stepwise according to the velocity value. May be switched. Further, one adjective may be assigned to one key.

In the above-described embodiment, four measures are assigned as the adjective sequence data, and the sequence of the adjectives for which the performance of the four measures has been completed is also terminated. The sequence data of the node may be repeatedly executed. Also, the sequence data is not limited to four measures, and it goes without saying that any number of measures may be used. Furthermore, the designation of an adjective need not be the timing of a bar line.

When the rhythm pattern is transformed by the transformer, different transformation processing may be performed in accordance with the contents of the current rhythm pattern. For example, adding a drum sound with a transformer,
Alternatively, in the case of a replacement, the type of the current rhythm pattern is determined, and a drum sound to be added or a replacement pattern is determined depending on whether the current rhythm pattern is a 16-beat rhythm pattern or an 8-beat rhythm pattern. May be different.

Hereinafter, another embodiment of the present invention will be described.
In another embodiment, the pattern table includes, in addition to an address area, a head address area, and a complexity area, a valid / invalid flag area storing a valid flag or an invalid flag indicating whether the rhythm pattern can be selectively set. The case in which it is provided will be described.

FIG. 22 is a diagram showing the contents of a pattern table for address conversion stored in the pattern table area. In the figure, a rock music pattern table and a disco music pattern table are shown. The pattern table includes an address area, a head address area, a complexity area, and a valid / invalid flag area. The address area stores the address of the pattern table, the head address area stores the head address of each bank A, B, and C of the rhythm pattern, and the complexity area stores the degree of complexity of the rhythm pattern. Is stored in the valid / invalid flag area, and a valid flag or an invalid flag indicating whether the rhythm pattern can be selected is stored.

For example, the rock music pattern table includes head addresses A-1, A-2, A for specifying a plurality of rhythm patterns stored in banks A and C.
-3, C-1, A-4, C-2,..., An are arranged in the order 1, 2, 3, according to the degree of complexity (the degree of complexity) of the rhythm pattern. .., N are stored as addresses. On the other hand, the disco music pattern table contains head addresses B-1 and B- for specifying a plurality of rhythm patterns stored in banks B and C.
2, C-1, B-3, C-2, C-3, ..., Bn
, N in accordance with the degree of complexity (the degree of complexity) of the rhythm pattern is stored as an address.

Here, A, B in the head address area
Or, C indicates the type of bank in which the rhythm pattern is stored. That is, the start addresses A-1, A-
2, A-3, A-4, and An indicate addresses of the bank A, head addresses B-1, B-2, B-3, and Bn indicate addresses of the bank B, and head addresses C- 1, C-
2 and C-3 indicate the addresses of the bank C.

The complexity in the complexity area is the same as that in FIG. The selectable rhythm pattern in the rock music pattern table, that is, the one with the valid flag set, has the address “1”,
"2", "4", "6", ..., "n". Among the rhythm patterns in the disco music pattern table, those that can be selected, that is, those with the valid flag set, have addresses “1”, “2”, “4”, “6”,.
.., “N”. Therefore, even if the pattern selector 61 selects a pattern other than the one for which the valid flag is set, the selection is invalidated, and another pattern with the valid flag set is selected.

In this way, by setting some of the accompaniment patterns in the database as unacceptable, the inconvenience of playing the accompaniment pattern that is not desired to be selected during real-time automatic accompaniment is eliminated. Thus, automatic accompaniment as desired by the user can be performed. In this case, it may be possible to set which accompaniment pattern is selectable (valid or invalid) for each component. Also, which patterns are not selectable may be preset,
The user may arbitrarily set.

In the above-described embodiment, the operation keys for designating the components correspond to the respective designation keys of the note numbers A3, A # 3, B3,..., E5 of the keyboard 1A in FIG. Although the case where the note number generated in response to the key operation of the designation key is output as the component designation signal has been described, a dedicated component designation switch corresponding to each component is provided on the panel switch 1B or 2B. May be operated to specify a desired component.

In the above-described embodiment, the keyboard 1 of FIG. 2 is used as the pattern selector 61 for selecting a pattern.
Each of the designated keys in the drum pattern area corresponding to the note numbers A3, A # 3, B3,..., E5 of A corresponds to velocity data generated in response to the key operation of the designated keys, and is output as a pattern selection signal. Although the case has been described, a panel switch 1B or 2B is used as a pattern selector, such as a rotary operator such as a slide operator or a wheel, or a multidimensional operator such as a joystick, as a pattern selector. A pattern selection signal may be output by operating the above.

At this time, the pattern selection signal from the pattern selector is handled as an absolute value signal or processed as a relative value signal. That is, if the pattern selection signal is processed as a relative value signal, it is easy to understand how much the pattern is different from the previously selected pattern (for example, how much the pattern is different in complexity). Also,
Whether the absolute value or the relative value is to be used can be selected as appropriate, and the user can make a selection according to the user's preference in an easy-to-select method.

FIG. 23 shows a slide type in which the component designation operator is constituted by each key of the drum pattern area of the note number A3 to E5 of the keyboard 1A, and the pattern selection operator is provided on the panel switch 1B or 2B. When it is composed of various controls that can output continuous values, such as rotary controls such as controls and wheels, and multi-dimensional controls such as joysticks, the component designation controls and pattern selection It is a figure showing processing performed by operating an operation element. FIG. 23 (A)
FIG. 23B shows a pattern selection operator process corresponding to the operation of the pattern selection operator. FIG. 23B shows M including note numbers A3 to E5 corresponding to the operation of the component designation operator.
FIG. 9 is a diagram illustrating a drum key process performed when an IDI message is received from the electronic musical instrument 1F. When the pattern selection operator is provided on the panel switch 1B of the electronic musical instrument 1F, the MIDI message includes the note number A3 to E5 and a pattern selection signal corresponding to the operation of the operator 6B. .

In the pattern selection operator processing shown in FIG. 23A, first, it is determined whether or not the output value of the operator has changed.
If there is a change (YES), the output value is captured, and if there is no change (NO), the process returns. This process is executed every predetermined time. The drum key processing of FIG. 23B is almost the same as that of FIG. 11D. First, it is determined whether any of the flags other than the lock flag LOCK is at the high level “1”, and the high level is set to “1” (YES). ), The flag corresponding process 1 of FIG. 12 corresponding to the flag set to the high level “1” is executed, and the process returns.

On the other hand, if it is determined that none of the flags other than the lock flag LOCK is not the high level “1” (NO), the sound of the component corresponding to the depressed key (note number) Drum sound) is deleted from the current pattern and temporarily saved in the save memory 4. And the key (note number)
The rhythm pattern of the component (drum) corresponding to the output value from the pattern selection operator and the genre is selected with reference to the pattern table 63, and the rhythm pattern of the selected component is read from the database means 5 and added to the current pattern. . Then, the complexity of the selected rhythm pattern is displayed on the display 2 as shown in FIG.
9 is displayed. If the pattern selection operator is not operated, the value up to the previous time is retained, so that the component can be specified only by pressing the keys corresponding to the note numbers A3 to E5, and the subtle selection of the accompaniment pattern is performed. The setting can be performed by slightly changing the continuous output value from the pattern selection operator and then operating the keys of the note numbers A3 to E5.

FIG. 24 shows a case where both the component designation operator and the pattern selection operator are composed of the respective keys of the drum pattern areas of the note numbers A3 to E5 of the keyboard 1A, similarly to FIG. 11D. Receiving a MIDI message including the note numbers A3 to E5 and velocity data generated by the key operation from the electronic musical instrument 1F, recognizing the received velocity data as an absolute value or a relative value, and outputting a pattern selection signal accordingly. FIG. 9 is a diagram illustrating a drum key process performed when the user performs the key operation.

The drum key processing shown in FIG.
First, it is determined whether any of the flags other than the lock flag LOCK is at a high level “1”,
If it is determined that the flag is at the high level "1" (YES), the flag corresponding process 1 of FIG. 12 corresponding to the flag set at the high level "1" is executed and the routine returns.
On the other hand, if it is determined that none of the flags other than the lock flag LOCK is not high level “1” (NO), the sound of the component corresponding to the pressed key (note number) (drum sound for a part) Is deleted from the current pattern and temporarily saved in the save memory 4.

Then, it is determined whether or not the velocity recognition mode is the relative value mode. When it is determined that the mode is the relative value mode, the key (note number) pressed and
The rhythm pattern of the component (drum) corresponding to the relative value of the velocity data and the genre is selected with reference to the pattern table 63, and the rhythm pattern of the selected component is read from the database means 5 and added to the current pattern. The relative value is, for example, “current selection data = previous selection data + relative value (current velocity−64)” (that is, the current velocity is 64
When it is larger than 64, a pattern slightly more complicated than the previously selected pattern is selected, and when it is smaller than 64, a slightly simpler pattern is selected.)

On the other hand, when it is determined that the mode is the absolute value mode, the rhythm pattern of the component (drum) corresponding to the pressed key (note number), the absolute value of the velocity data, and the genre is referred to the pattern table 63. Then, the rhythm pattern of the selected component is read from the database means 5 and added to the current pattern. Then, the complexity of the selected rhythm pattern is displayed on the display 29 as shown in FIG.

In the drum key processing described above, a pattern selection signal corresponding to the absolute value of velocity data may be output first, and then a pattern selection signal corresponding to a relative value may be output. Alternatively, a predetermined absolute value may be automatically output first, and thereafter, a pattern selection signal may be output corresponding to the relative value. Further, the user may be able to appropriately select whether to select a pattern based on an absolute value or a pattern based on a relative value.

Although the case where the pattern selection operator is velocity data corresponding to a keyboard operation has been described as an example, the invention is not limited to this. The pattern selection operator is provided on the panel switch 1B or 2B. It is needless to say that the present invention can be similarly applied even if it is constituted by various controls capable of outputting continuous values, such as a rotary control such as a slide control or a wheel, or a multidimensional control such as a joystick. Absent.

FIG. 25 is a diagram showing the drum key processing when an invalid flag exists in the valid / invalid flag area of the pattern table as shown in FIG. 22 and a pattern selection impossible state occurs. In this processing, the component designating operator is constituted by each key of the drum pattern area of the note numbers A3 to E5 of the keyboard 1A, and the pattern selecting operator is a slide-type operator or a wheel provided on the panel switch 2B. A description will be given of a case in which the controller is configured by an operator capable of outputting a continuous value, such as a rotary operator or a multi-dimensional operator such as a joystick.

In this drum key processing, first, one of the flags other than the lock flag LOCK is set to the high level “1”.
It is determined whether or not the flag is the high level "1" (YES). If the flag is set to the high level "1", the flag corresponding process 1 of FIG. . On the other hand, if it is determined that none of the flags other than the lock flag LOCK is not high level “1” (NO), the sound of the component corresponding to the pressed key (note number) (drum sound for a part)
Is deleted from the current pattern and temporarily saved in the save memory 4.

Then, the pressed key (note number)
The rhythm pattern of the component (drum) corresponding to the output value and the genre of the pattern selection operator is selected with reference to the pattern table 63. It is determined whether the selected pattern is a valid state or an invalid state. If the pattern is valid (YES), the process proceeds to the next step. If the pattern is invalid (NO), the next step is performed until a valid rhythm pattern is selected. To select a complicated pattern sequentially. When a valid rhythm pattern is selected, the rhythm pattern of the component is read from the database means 5 and added to the current pattern. Then, the complexity of the selected rhythm pattern is displayed on the display 29 as shown in FIG. This eliminates the inconvenience of playing in an accompaniment pattern that one does not want to select during real-time automatic accompaniment, and allows automatic accompaniment as desired by the user.

In this embodiment, if the pattern corresponding to the output value from the pattern selection operator cannot be selected, the next complicated pattern is selected.
It is also possible to select one having a lower complexity (smaller complexity). When the next complicated (or simple) pattern is selected and the most complicated (or simple) pattern is reached, the pattern may be searched in the opposite direction. Further, in this embodiment, the pattern selection operator is a continuous value such as a slide-type operator provided on the panel switch 1B or 2B, a rotary-type operator such as a wheel, or a multi-dimensional operator such as a joystick. Although the case where the control unit is constituted by operators that can be output has been described as an example, the present invention is similarly applicable to a case where velocity data generated according to a key operation is used as a pattern selection signal. In this case, the velocity resolution (a value obtained by dividing the velocity value range by the number of patterns) may be changed. That is, when the velocity value is 128 steps from 0 to 127 and the number of patterns is 50, the resolution is 2.56 = 128/50 (a different pattern is selected every time the velocity value increases by 2.56). )
However, when the number of selectable patterns becomes 40 by making some patterns unselectable, the resolution is 3.2 = 128/40.

In the drum key processing of FIGS. 23 to 25, the case has been described where the rhythm pattern of the selected component is added to the current pattern as it is. However, only a part (designated range) of the rhythm pattern is added, or A case will be described in which only an arbitrary one of a plurality of drum sounds constituting a component is selectively added.

FIG. 26 shows that only a part (designated range) of a rhythm pattern can be added, or only an arbitrary one of a plurality of drum sounds constituting a component can be selectively added. It is a figure showing another example of drum key processing. FIG. 27 shows how a rhythm pattern is added by the drum key processing of FIG.
It is a figure which shows it notionally. First, if a specific range of the rhythm pattern is specified by a range specifying switch (not shown) on the panel switch 2B before executing the drum key processing of FIG. If an arbitrary drum sound is designated by a switch (not shown), the "specified drum mode" is set. If nothing is specified, the mode is the "normal mode".

For example, as shown in FIG. 27A, when the length of the basic accompaniment pattern stored in the database means 5 is one bar, the range designation switch sets the first one of the bars. It is possible to specify only a specific range of one measure, such as only a beat, only the first half of a measure, or only the second half. Therefore, after a specific range of one bar is designated by the range designating switch, the "specified range mode" is set. In FIG. 27A, only the first half of the one-bar pattern stored in the database means 5 is designated by the range designating switch, and the designated range is read into the current pattern memory 1 as the current pattern CP1. The case is shown.

When the basic accompaniment pattern stored in the database means 5 is composed of a plurality of drum sounds as shown in FIG. Only a specific drum sound can be specified. For example, in the case where the user likes the bass drum BD but does not like the snare drum SD in the current pattern, the user can replace the snare drum SD by designating only the snare drum SD pattern with the drum designation switch. Can be. Therefore, after the specific drum sound is designated by the drum sound designation switch, the "specified drum mode" is set.

FIG. 27B shows a specific drum sound (upper snare drum SD) of a one-bar pattern in which a plurality of drum sounds (a snare drum SD in the upper stage and a bass drum BD in the lower stage) are mixed in the database means 5. Only the designated drum sound is designated by the drum designation switch, and only the designated drum sound is read into the current pattern memory 1 as the current pattern C2. FIG. 27 (B)
As shown in (1), all drum sounds of a one-bar pattern in which a plurality of drum sounds (a snare drum SD in the upper row and a bass drum BD in the lower row) are mixed are specified in the database means 5 by the drum specifying switch, and a specific drum among them If only a specific range (the first half of one bar) of the sound (the upper snare drum SD) is specified by the range specification switch, only the specified range of the specified drum sound is set as the current pattern C3. The data may be read into the memory 1.

The mode (specified range mode,
When each key of the drum pattern area of the note numbers A3 to E5 of the keyboard 1A is operated after the specified drum mode (normal mode) is determined, the drum key processing of FIG. 26 is executed. In the drum key processing of FIG. 26, first, it is determined whether any of the flags other than the lock flag LOCK is at the high level “1”, and the high level is set to “1” (YES).
If it is determined that the flag is set to the high level "1", the flag corresponding process 1 of FIG.
And return. On the other hand, the lock flag LOCK
Are not high level "1" (N
If it is determined to be O), the sound of the component corresponding to the depressed key (note number) (partly drum sound) is deleted from the current pattern, and the save memory 4
Evacuate temporarily.

Then, the depressed key (note number)
The rhythm pattern of the component (drum) corresponding to the output value and the genre of the pattern selection operator is selected with reference to the pattern table 63. Next, what the current mode is is determined, and processing corresponding to the current mode is performed.
When the current mode is the "specified range mode", the selected rhythm pattern is read from the database means 5, and only the specified range from the pattern is added to the current pattern.

When the current mode is the "designated drum mode", the selected rhythm pattern is read from the database means 5, and only the designated drum sound pattern from the pattern is added to the current pattern. When the current mode is the “normal mode”, the above-described FIGS.
The selected rhythm pattern is read from the database means 5 in the same manner as in the case (1), and all patterns are added to the current pattern. Then, the complexity of the selected rhythm pattern is displayed on the display 29 as shown in FIG.

As a result, the degree of freedom in accompaniment pattern formation is improved, and only a favorite part can be newly added. The range that can be selected may be set arbitrarily by the user, or a plurality of types may be preset. When the accompaniment pattern is composed of a plurality of measures, one or more measures of the measures may be arbitrarily specified. If the component is composed of three or more drum sounds, two or more drum sounds may be appropriately designated.

A fine adjustment operator capable of outputting continuous values, such as a slide-type operator, a rotary-type operator such as a wheel, or a multi-dimensional operator such as a joystick, is provided for each component by a panel switch 1B or 2B. Provided above,
A case where a pattern selection signal is output by operating this will be described. When operated, this fine-adjustment operator can output a value corresponding to the amount of operation continuously, so that it is possible to make finer selection settings of accompaniment patterns compared to selection using velocity data. There is an advantage that you can. When selecting an accompaniment pattern using velocity data, it is difficult to continuously change the value of velocity data, but there is an advantage that rough selection can be easily performed.

FIG. 28 shows “fine adjustment operator processing” in “other processing” in FIG. 8 performed by the CPU 21 of the personal computer 20.
It is a figure which shows the detail of. This process is executed when a fine adjustment operator provided for each component is operated. The fine-adjustment controls are composed of rotary controls such as slide-type controls and wheels, multi-dimensional controls such as joysticks and the like, and output continuous values. It is determined whether or not the output value of the operation element has changed. If it is determined that the output value has not changed (NO), the process immediately returns.

On the other hand, if it is determined that the output value has changed (YES), the sound of the component corresponding to the operated (changed output value) fine-adjustment operator (some of the drum sound) is used as the current. The pattern is deleted from the pattern and temporarily saved in the save memory 4. Then, the operated fine adjustment operator and the rhythm pattern of the component (drum) corresponding to the operation amount and genre are stored in the pattern table 63.
The rhythm pattern of the selected component is read from the database means 5 and added to the current pattern. Then, the complexity of the selected rhythm pattern is displayed on the display 29 as shown in FIG. With this, the component can be specified by finely selecting the accompaniment pattern only by operating the corresponding fine adjustment operator.

A case will be described in which a search condition designating operator for designating a desired search condition for pattern selection is provided as a pattern selector on panel switch 1B or 2B. The search conditions by the search condition designating operator include “pattern having an event on the second and fourth beats”, “pattern having a total number of events of n or more”, and “timing when an event of an arbitrary drum sound exists”. , A pattern in which no other drum sound event exists "or the like, and an accompaniment pattern that matches the specified condition is selected. By doing so, only the pattern intended by the user is selected, so that the desired accompaniment pattern can be obtained more quickly. These search conditions may be preset, or may be arbitrarily set by the user. Further, a combination of conditions may be stored in advance.

When a pattern of a certain component is selected, a condition may be set in relation to another component. For example, when selecting the hi-hat HH pattern, the BD +
If the SD pattern is # 1, select from hi-hat HH patterns with a total of n or more events. "Or" When selecting a tom-tom Tom pattern,
If the pattern of + SD is # 1, select a pattern from the tomtom Tom having an event whose event timing does not overlap with the BD. " If there is no pattern that matches the condition, an appropriate pattern may be selected from patterns that do not match the condition.

FIG. 29 shows “condition specifying search processing” in “other processing” in FIG. 8 performed by the CPU 21 of the personal computer 20.
It is a figure which shows the detail of. This process is executed when the search condition designating operator is operated. In this process, first,
Fetches the search condition specified by the operation of the search condition specification operator. For example, “a pattern having an event on the second and fourth beats”, “a pattern having a total number of events of n or more”, and “an event of another arbitrary drum sound at the time when an event of an arbitrary drum sound exists” That does not exist ”. The rhythm pattern corresponding to the address “1” in the pattern table 63 is read from the database means 5. For example, in the case of the rhythm pattern table for rock music shown in FIG.
Is read out.

It is determined whether or not the read rhythm pattern matches the search condition. If the rhythm pattern matches (YES), a valid flag is set in the valid / invalid flag area of the rhythm pattern of the current address in the pattern table 63. If not (NO), an invalid flag is set in the valid / invalid flag area of the rhythm pattern of the current address in the pattern table 63. Then, it is determined whether or not the current rhythm pattern is the last pattern in the pattern table 63. If the current pattern is the last pattern (YES), the routine immediately returns. If the current pattern is not the last pattern (NO), the rhythm pattern corresponding to the next address is determined. Is read from the database means 5, and whether the read rhythm pattern matches the search condition is repeatedly executed until the last rhythm pattern in the pattern table is reached. As a result, the valid / invalid flag is set in the pattern table 63 according to the search condition, so that only the rhythm pattern in which the valid flag exists, that is, the rhythm pattern that matches the search condition is selected by the drum key processing of FIG. Become.

FIG. 30 is a diagram showing the details of the "drum sound replacement process" in the "other processes" of FIG. 8 performed by the CPU 21 of the personal computer 20. The drum sound replacement process in FIG. 30 is a process for replacing an arbitrary drum sound of the accompaniment pattern stored in the current pattern memory 1 with another drum sound. For example, if the user likes the drum pattern but does not like the tone, he or she replaces the pattern with the desired tone.

In this process, first, the head data (drum sound data) is read from the current pattern stored in the current pattern memory 1. It is determined whether or not the note number of the first data is a drum sound to be replaced. If the note number is the drum sound to be replaced (YES), the note number is converted to the note number of the replaced drum sound. After this conversion is completed, or after it is determined that the note number is not a drum sound to be replaced (NO), it is determined whether or not reading of all data (pattern) stored in the current pattern memory 1 has been completed. I do. When reading of all data is completed (YES), the process returns. When reading of all data is not completed (NO), the next data (pattern) in the current pattern memory 1 is read. Then, the same replacement process as described above according to whether the note number is a replacement target is repeatedly executed until reading of all data (patterns) is completed.

By changing the note number in this manner, the tone color of the drum sound can be changed.
The replacement may be performed by rewriting the data (usually the note number) indicating the tone in the current pattern, or may be converted when outputting the pattern data. Also,
When a pattern is read from the database means 5, data indicating a timbre may be converted or may be converted when writing to a current pattern. Further, the contents of the database means 5 may be directly rewritten.

FIG. 31 is a diagram showing another embodiment of the drum sound replacement process of FIG. 30 for replacing the tone color of the drum sound when reading out the pattern data from the current pattern memory 1 and outputting a note event. This process
Step 5 in the MIDI note event output process of FIG.
This is realized by newly adding 9 and 5A. In FIG. 31, components having the same configuration as in FIG. 15 are denoted by the same reference numerals, and description thereof will be omitted.
The processing of FIG. 31 is different from the processing of FIG.
Steps 59 and 5A are executed before outputting the eighth note event.

That is, in step 59, step 5
Note event accented with 2, step 5
It is determined whether or not the note number of the note event remaining as a result of the deletion or the note number of the note event that has not been processed in steps 52, 54, and 56 is the drum sound to be replaced. If the note number is the drum sound to be replaced (YES), the note number is converted to the note number of the replaced drum sound in step 5A. The note number is not the drum sound to be replaced (N
O) In case of, go to step 58. Therefore, step 5
In step 8, the note event converted in step 5A or the note event not converted is output to the electronic musical instrument 1F via the MIDI interfaces 2C and 1D.

A case will be described in which a selection pattern input operator for inputting a pattern desired by the user is provided as a pattern selector on the panel switch 1B or 2B. The pattern input operator may be replaced with the keyboard 1A of FIG. 2 or a dedicated operator may be provided. In other words, the selection pattern input operation unit outputs a pattern of a pattern imaged by the user (that the user wants to select a pattern having such a feeling) input in the real-time method or the step input method. The accompaniment pattern creating device appropriately selects a pattern considered to be closest to the input pattern from the database means 5. This allows the user to quickly select a pattern to image.

FIG. 32 is a diagram showing details of “similar pattern selection processing” in “other processing” of FIG. 8 performed by CPU 21 of personal computer 20. This processing is executed when the selection pattern input operator is operated. The selection pattern input operator inputs a pattern imaged by the user (that the user wants to select a pattern having such a feeling) in real time or in a step input method. Therefore, in this similar pattern selection processing, the flag in the valid / invalid flag area of the pattern table 63 is rewritten so that a pattern similar to the input pattern can be easily selected from the database means 5.

In this processing, first, an arbitrary pattern input by a selection pattern input operation element is fetched. The rhythm pattern corresponding to the address “1” in the pattern table 63 is read from the database means 5. For example, in the case of the rock music rhythm pattern table of FIG. 22, the rhythm pattern of the head address A-1 is read, and in the case of the disco music pattern table of FIG. 22, the rhythm pattern of the head address B-1 is read. Is read.

It is determined whether or not the read rhythm pattern is similar to the input arbitrary pattern. If they are similar (YES), a valid flag is set in the valid / invalid flag area of the rhythm pattern of the current address in the pattern table 63. On the other hand, if they are not similar (NO), an invalid flag is set in the valid / invalid flag area of the rhythm pattern of the current address in the pattern table 63.

Then, it is determined whether or not the current rhythm pattern is the pattern of the last address of the pattern table 63. In the case of the last address pattern (YES), the routine immediately returns. If it is not the pattern of the last address (NO), the rhythm pattern corresponding to the next address is read from the database means 5. Then, the determination whether the read rhythm pattern is similar to the arbitrary pattern is repeatedly executed until the read rhythm pattern reaches the rhythm pattern at the last address of the pattern table.

As a result, a valid flag or an invalid flag is set in the pattern table 63 in correspondence with a pattern close to an arbitrary pattern. Therefore, the drum key processing of FIG. Only the rhythm pattern is selected, and the user can quickly select the pattern that he or she imagines. Note that the similarity indicating whether the pattern is close to the arbitrary pattern may be determined as follows. For example, the similarity may be determined using the number of sounds in the pattern equal to or close to each other, or the position of the sound in the pattern equal to or close to each other, alone or collectively. The similarity may be determined based on a specific component or a pattern of a drum sound, or may be determined for all drum sounds.

[0211] A case will be described in which there is provided a sequential reproducing means for sequentially reading out and playing back the accompaniment patterns of the specified components from the plurality of accompaniment patterns stored in the database means 5. By sequentially playing back the accompaniment patterns by the sequential playing means, it is possible to confirm what kind of pattern is stored in the database means 5 as a whole. Therefore, when the accompaniment pattern desired by the user does not exist, a new pattern may be added or an existing pattern may be modified by editing or the like to create a desired pattern. When a favorite pattern is found, it can be selected. It is extremely important for the user to select a desired pattern in order to grasp the arrangement of the accompaniment patterns stored in the database means 5 in advance.

FIG. 33 is a diagram showing the details of the "pattern sequential reproduction process" in the "other processes" of FIG. 8 performed by the CPU 21 of the personal computer 20. This process is executed when the sequential playback unit 64 of FIG. 1 is operated. The sequential reproduction means 64 reproduces the contents of the database means 5 in order. Therefore, in this pattern sequential reproduction process, the rhythm patterns stored in the database means 5 are reproduced in the order of addresses in the pattern table 63.

In this processing, first, the pattern table 6
The rhythm pattern corresponding to the address "1" of No. 3 is read out from the database means 5 and reproduced. For example, in the case of the rhythm pattern table for rock music of FIG. 4, the rhythm pattern of the head address A-1 is read and reproduced, and in the case of the disco music pattern table of FIG. The rhythm pattern is read and played.

It is determined whether or not reproduction of the read rhythm pattern has been completed. At the time when the reproduction is completed, it is determined whether or not the reproduced rhythm pattern is the pattern of the last address of the pattern table 63. If it is the last address pattern (YES), the process immediately returns. If it is not the last address pattern (NO), the rhythm pattern corresponding to the next address is read from the database means 5 and reproduced. The above processing is repeatedly executed until the rhythm pattern of the last address of the pattern table is reached.

Thus, it is possible to confirm what kind of pattern is stored in the database means 5. If it is determined that there is no pattern desired by the user, operations such as addition and editing may be performed. If a favorite pattern is found, it can be selected. Further, since the arrangement of the patterns in the pattern table 63 or the database means 5 can be grasped, it can be expected that the information becomes important information for the user in selecting the pattern. This sequential reproduction process is performed at the timing of the timer interrupt process in FIG. Further, other than the hard disk device, a large-capacity storage device such as a magneto-optical disk device or a CD-ROM device may be used.

[0216]

As described above, according to the present invention, there is an effect that the changing operation can be performed easily and easily.

[Brief description of the drawings]

FIG. 1 is a hardware block diagram showing a detailed configuration of an electronic musical instrument incorporating a sequencer type automatic accompaniment device and a personal computer for performing an accompaniment pattern editing process, and a connection relationship between the two.

FIG. 2 is a diagram showing functional blocks when the electronic musical instrument and the personal computer of FIG. 1 operate as an accompaniment pattern creating device.

FIG. 3 is a diagram showing a data configuration of a RAM and a hard disk device of the personal computer in FIG. 1;

FIG. 4 is a diagram showing contents of a pattern table for address conversion stored in a pattern table area.

FIG. 5 is a diagram illustrating a display example of a display.

FIG. 6 is a diagram showing an example of various functions assigned to the keyboard of FIG. 1;

7 is a diagram showing an example of a processing routine executed by the CPU of the electronic musical instrument of FIG. 1; FIG. 7A shows an example of a main routine; FIG. 7B shows a key process of FIG. 7A; 7 (C) shows details of the MIDI reception processing of FIG. 7 (A).

8 is a diagram showing an example of a processing routine executed by the CPU of the personal computer in FIG. 1; FIG. 8A shows an example of a main routine; FIG. 8B shows the MIDI receiving process in FIG. 8A; The details are shown below.

FIG. 9 shows received MIDI messages having note numbers E0 to B1, C2, D2 to A2 (excluding #), B2, C
FIG. 8B is a diagram showing details of the processing of FIG. 8B performed in the case of a note-on message corresponding to 3, D3 to F3 (excluding #), and FIG. 9A is a pattern assignment of note numbers E0 to B1. FIG. 9B shows the case of an area key, FIG. 9B shows the case of an assign key of note number C2, and FIG. 9C shows the case of a transformer key of note numbers D2 to A2 (excluding #). 9 shows the case of the undo key of the note number B2, FIG. 9E shows the case of the start / stop key of the note number C3, and FIG. 9F shows the banks A and B of the note numbers D3 to F3 (excluding #). , C key.

FIG. 10: MIDI message received is note number G
3, C # 2, D # 2, F # 2, G # 2, A # 2, C # 3
8 performed in the case of a note-on message corresponding to
FIG. 10B is a diagram showing the details of the processing of FIG. 10B. FIG. 10A shows the case of the lock key of the note number G3, and FIG. 10B shows the variations 1 and 2 keys of the note numbers C # 2 and D # 2. , FIG. 10 (C) shows the case of the replacement key of note number F # 2, and FIG. 10 (D) shows the case of note number G #.
FIG. 10E shows the case of the insert key of No. 2 and FIG. 10F shows the case of the quantize key of the note number A # 2.
Shows the case of the delete drum key of note number C # 3.

11 is a diagram showing details of the processing in FIG. 8B performed when the received MIDI message is a note-on message corresponding to note numbers D # 3, F # 3, G # 3, and A3 to E5. Yes, FIG. 11A shows the note number D #
FIG. 11 shows the case of the delete component key of FIG.
(B) shows the case of the accent key of note number F # 3, FIG. 11 (C) shows the case of the fill-in key of note number G # 3, and FIG. 11 (D) shows the case of the drum keys of note numbers A3 to E5. Show.

FIG. 12 is a diagram showing details of a flag handling process 1 in FIG. 11D, and FIG.
2 (B) shows an insert process, FIG. 12 (C) shows a delete drum process, and FIG. 12 (D) shows a delete component process.

FIG. 13 shows received MIDI messages having note numbers C2, G3, F # 2, G # 2, A # 2, C # 3, and D #.
FIG. 13B shows details of the processing of FIG. 6B performed in the case of note-off messages corresponding to F # 3, F # 3, and A3 to E5. FIG. 13A shows note numbers C2, G3, and F #.
2, G # 2, A # 2, C # 3, D # 3, F # 3, and FIG. 13B shows the case of note numbers A3 to E5.

FIG. 14 is a diagram showing a timer interrupt process executed by 24 interrupts per quarter note;

FIG. 15 is a diagram showing details of a MIDI note event output process in step 35 of FIG. 14;

16 is a flag-corresponding process 2 in step 43 of FIG.
16A shows an undo process, FIG. 16B shows a fill-in return process, and FIG.
FIG. 16C shows a variation process, and FIG. 16D shows a transformer process.

17 is a diagram illustrating details of “pattern registration processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1;

FIG. 18 is a diagram illustrating an example of an arithmetic process of changing the content of a current pattern by a transformer process.

FIG. 19 is a diagram illustrating another example of the arithmetic processing for changing the content of the current pattern by the transformer processing.

FIG. 20 is a diagram showing the concept of how the drum sound and velocity of the current pattern are replaced by the transformer processing.

21 is a diagram showing a display example of a display screen of the display of FIG.

FIG. 22 is a diagram illustrating an example of a case where a pattern table for address conversion stored in a pattern table area has a valid / invalid flag area.

FIG. 23 is a diagram illustrating a process performed by operating a component designation operator and a pattern selection operator, and FIG. 23A is a pattern selection operator process corresponding to the operation of the pattern selection operator; , FIG. 23 (B)
FIG. 9 is a diagram showing a drum key process performed in response to an operation of a component designation operator.

FIG. 24 is a diagram illustrating a drum key process performed in accordance with an absolute value or a relative value of velocity data generated by a key operation of a component designation operator.

FIG. 25 is a diagram illustrating an example of a drum key process performed when an invalid flag exists in a valid / invalid flag area of a pattern table and a pattern selection impossible state occurs.

FIG. 26 shows a drum key processing in which only a part (a designated range) of a rhythm pattern can be added or only an arbitrary one of a plurality of drum sounds constituting a component can be selectively added. It is a figure showing another example.

FIG. 27 is a diagram conceptually showing how a rhythm pattern is added by the drum key processing of FIG. 26.

28 is a diagram illustrating details of “fine adjustment operator processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1.

29 is a diagram showing details of “condition specifying search processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1.

30 is a diagram illustrating details of “drum sound replacement processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1.

FIG. 31 is a diagram showing details of a MIDI note event output process which is a modified example of FIG. 20.

32 is a diagram showing details of “similar pattern selection processing” in “other processing” of FIG. 8 performed by the CPU of the personal computer of FIG. 1.

FIG. 33 is a diagram showing details of “pattern sequential reproduction processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1;

[Description of Signs] 1 ... Current pattern memory, 2 ... Assign memory, 3
... Undo buffer, 4 ... Evacuation memory, 5 ... Database means, 61 ... Pattern selector, 62 ... Pattern registration means, 63 ... Pattern table, 7 ... Editing means,
8 ... Adjective indicating means, 9 ... Transformer, 10 ...
Undo means, 1F: electronic musical instrument, 11: microprocessor unit (CPU), 12: ROM, 13: RA
M, 14: key press detection circuit, 15: switch detection circuit, 1
6 display circuit, 17 sound source circuit, 18 sound system, 19 timer, 1A keyboard, 1B panel switch, 1C display unit, 1D MIDI interface,
1E bus, 20 personal computer, 21 microprocessor unit (CPU), 22 ROM, 23 RAM,
24: Hard disk drive, 25: Display interface, 26: Mouse interface, 27: Switch detection circuit, 28: Timer, 29: Display,
2A mouse, 2B panel switch, 2C MIDI
Interface, 2D ... bus

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Togi Atsushi 10-1 Nakazawa-cho, Hamamatsu-shi, Shizuoka Prefecture Inside (72) Inventor Eiichiro Aoki 10-1 Nakazawa-cho, Hamamatsu-shi, Shizuoka Yamaha Corporation (72) Inventor: Shizuhiko Mizuno 10-1, Nakazawa-cho, Hamamatsu-shi, Shizuoka Pref. Yamaha Corporation (56) References JP-A-62-157098 (JP, A) JP-A-2-2444092 (JP, A) Shokai Sho 62-106299 (JP, U) Jiko Hira 3-48798 (JP, Y2)

Claims (7)

(57) [Claims] 1. A plurality of components for accompaniment performance comprising a set of parts of a plurality of musical instruments for accompaniment performance, wherein each of the plurality of components is composed of a plurality of parts. An accompaniment pattern storage means for storing a plurality of accompaniment patterns for each of the following, and a plurality of desired musical instruments in the accompaniment pattern storage means are designated
A component designation operation element for designating a component by performing the operation, and a pattern selection operation for providing a desired accompaniment pattern in the component specified by the component designation operation element, provided separately from the component designation operation element A reading means for reading the accompaniment pattern corresponding to the operation of the component designation operation element and the pattern selection operation element from the accompaniment pattern storage means; and an accompaniment pattern read by the reading means to a performance current buffer. An accompaniment sound generating means for generating an automatic accompaniment sound based on the contents of the current buffer, and based on the accompaniment pattern registered in the current buffer in response to an operation of the component designating operator. The specified component operation that was operated Automatic accompaniment apparatus characterized by capable of initiating generation of automatic accompaniment tone corresponding to. 2. The pattern selecting operation element generates an operation output whose value continuously changes in accordance with the operation, and the reading means outputs a plurality of accompaniment in a component specified by the component specifying operation element. 2. The automatic accompaniment device according to claim 1, wherein an accompaniment pattern corresponding to the operation output of the pattern selection operator is selected and read out of the patterns. 3. The readout means reads out a selected accompaniment pattern of a specified component based on an operation output of the pattern selection operation at the time when the component designation operation is operated. 3. The automatic accompaniment device according to claim 2, wherein: 4. A plurality of components for accompaniment performance comprising a set of a plurality of musical instrument parts for accompaniment performance, wherein each of the plurality of components is composed of a plurality of parts. An accompaniment pattern storage means for storing a plurality of accompaniment patterns for each of the above, and a selection operator for selecting a desired accompaniment pattern for each component, and generating a pattern selection signal according to the operation. Reading means for selecting and reading the accompaniment pattern for each component from the accompaniment pattern storage means based on a pattern selection signal output from the selection operator, wherein the pattern selection signal generated from the selection operator Is used as the relative value and the pattern selection information from the last time the accompaniment pattern was selected The relative value mode in which the current pattern selection information is created by calculating the value of the pattern selection signal of, and the accompaniment pattern is selected based on the pattern selection information, and the It is possible to select an absolute value mode in which the accompaniment pattern is selected based on the value of the pattern selection signal by using the pattern selection signal as an absolute value. An automatic accompaniment apparatus comprising: a device that selects and reads the accompaniment pattern in a mode; and an accompaniment sound generation unit that generates an automatic accompaniment sound based on the accompaniment pattern read by the reading unit. 5. A plurality of components for accompaniment performance comprising a set of a plurality of musical instrument parts for accompaniment performance, wherein each of the plurality of components is composed of a plurality of parts. An accompaniment pattern storage means for storing a plurality of accompaniment patterns for each of the following; a selection means for selecting a desired accompaniment pattern for each of a plurality of desired components; and a predetermined component among the plurality of components Designating means for designating a predetermined range in the accompaniment pattern for at least a part of the musical instrument part; and for a musical instrument part of a predetermined component for which the predetermined range has been designated by the designating means, the The selected accompaniment pattern for a given component Read from the accompaniment pattern storage means,
For other components, reading means for reading all of the selected accompaniment patterns from the accompaniment pattern storage means, and accompaniment sound generating means for generating an automatic accompaniment sound based on the accompaniment patterns read by the reading means Automatic accompaniment wherein an accompaniment pattern in the specified range of the musical instrument part of the predetermined component in the specified range is added to an accompaniment pattern of the other component and played. apparatus. 6. The one or more musical instrument parts include a drum musical instrument part, and the designating means designates a desired drum musical instrument part to specify a desired drum musical instrument part in the accompaniment pattern corresponding to the drum musical instrument part. The automatic accompaniment device according to claim 5, wherein a predetermined range is designated. 7. The automatic accompaniment apparatus according to claim 5, wherein said specifying means includes means for specifying a predetermined timing range of said accompaniment pattern.