JP2904020B2 - 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 that selects any of pre-stored accompaniment patterns, the number of memorable accompaniment patterns is limited, and the user selects the closest accompaniment pattern that the user wants. And often cannot get the accompaniment pattern the user really wants. In particular, an automatic accompaniment apparatus capable of performing intro, ending, and fill-in performances merely selects a desired one from a limited number of pre-stored accompaniment patterns.

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. In particular, if intro performances, fill-in performances, and ending performances, which are indispensable for automatic accompaniment, are provided for each accompaniment pattern, the amount of storage becomes enormous.

[0005] The present invention has been made in view of the above points, it is not necessary to store a large amount of accompaniment patterns,
It is an object of the present invention to provide an automatic accompaniment apparatus capable of performing various intro performances, fill-in performances, and ending performances.

[0006]

In order to achieve this object, an automatic accompaniment apparatus according to a first aspect of the present invention comprises: an accompaniment pattern storage means for storing an accompaniment pattern; and a reading means for reading an accompaniment pattern from the accompaniment pattern storage means. Performance state designating means for designating at least one of an intro performance, a fill-in performance, and an ending performance; and transforming the read accompaniment pattern into a pattern suitable for the performance state designated by the performance state designating means. Pattern deformation means, progress control means for controlling the progress of the performance in accordance with the specified performance state, and automatic accompaniment sound based on the read accompaniment pattern and the accompaniment pattern deformed by the pattern deformation means. And an accompaniment sound generating means for generating

To achieve this object, an automatic accompaniment apparatus according to a second aspect of the present invention comprises an accompaniment pattern storage means for storing an accompaniment pattern, a reading means for reading out an accompaniment pattern from the accompaniment pattern storage means, an intro performance, and a fill-in. Performance state designating means for designating at least one of performance and ending performance; adjective designating means for designating adjectives; and a pattern for transforming the read accompaniment pattern based on the adjective designated by the adjective designating means. Deformation means, progress control means for controlling the progress of performance according to the specified performance state, and automatic accompaniment sound based on the read accompaniment pattern and the accompaniment pattern deformed by the pattern deformation means. And an accompaniment sound generating means for generating.

[0008]

The automatic accompaniment device reads the accompaniment pattern stored in the accompaniment pattern storage means by the reading means, and the accompaniment sound generation means generates an automatic accompaniment sound based on the read accompaniment pattern. At this time, the automatic accompaniment device according to the first invention is configured such that the performance state designating means for designating at least one of an intro performance, a fill-in performance, and an ending performance, and the read accompaniment pattern is designated by the performance state designating means. There are provided pattern deformation means for deforming into a pattern suitable for the performance state, and progress control means for controlling the progress state of the performance in accordance with the specified performance state. Therefore, when the performance state designating means is operated, the accompaniment pattern read from the accompaniment pattern storage means is
It is transformed into the specified playing state pattern. That is, the read accompaniment pattern is appropriately modified into a pattern suitable for an intro performance, a pattern suitable for a fill-in performance, and a pattern suitable for an ending performance. When the performance state designating means is operated, the progress control means controls the progress state of the performance according to the designated performance state, so that the accompaniment sound generating means is deformed by the read accompaniment pattern and pattern deforming means. The intro, fill-in, and ending performances are performed based on the accompaniment pattern. Further, the automatic accompaniment apparatus according to the second invention comprises a performance state designating means for designating at least one of an intro performance, a fill-in performance, and an ending performance, an adjective designating means for designating an adjective, and an adjective for reading the read accompaniment pattern. There are provided pattern deformation means for deforming based on the adjective designated by the designation means, and progress control means for controlling the progress state of the performance according to the designated performance state. Therefore, when the adjective designation means is operated, the accompaniment pattern read from the accompaniment pattern storage means is modified based on the designated adjective. At this time, when the performance state specifying means is operated, the progress control means controls the progress state of the performance in accordance with the specified performance state, so that the accompaniment sound generating means outputs the read accompaniment pattern and pattern. Intro performance based on the accompaniment pattern deformed by the deformation means,
Performs fill-in performance and ending performance. As described above, according to the first and second aspects of the present invention, it is not necessary to store a large amount of accompaniment patterns for intro performance, fill-in performance, and ending performance. become able to.

[0009]

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 for performing 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) 1 D are provided to the CPU 11 via a bus 1 E. Each is connected.

In this embodiment, an electronic musical instrument in which the CPU 11 performs key press detection processing, transmission / reception processing of performance data (note data), sound generation processing, 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 the 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 if necessary. It has touch detection means such as a device and a pressing force detection device. The keyboard 1A is a basic operation element for music performance, and it goes without saying that other operation elements 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 for 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. Further, a key pressing operation speed or a pressing force at the time of key depression is determined to perform processing for generating touch data, 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 represented by the MIDI standard, and include data indicating a key code and 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 a bus 1E, and generates a musical tone based on the data. Generate a signal. As described later, the tone generator circuit 17 of the electronic musical instrument 1F is configured to be able to generate tone signals of various drum sounds. The tone signal generating 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 and various data of the CPU 21 and data such as various symbol characters, 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 at the time of 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 transformed 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 stored 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 rhythm pattern addresses and 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 connected to the 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 database of rhythm patterns, and is divided into three banks A, B, and C 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. A rhythm pattern is stored, and a plurality of rhythm patterns common to rock and disco music corresponding to each drum sound component are stored in bank C. The head address for specifying a plurality of rhythm patterns stored in each bank is sequentially 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 order 1, 2, 3,... According to the degree of complexity of the rhythm pattern
.., N are stored as addresses. On the other hand, the disco music pattern table includes 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,
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 indicate the addresses of the bank A, the head addresses B-1, B-2, B-3 and Bn indicate the addresses of the bank B, and the head addresses C-1, C-2, and C-3 indicates the address of bank C.

As the complexity, a rhythm pattern quantified to 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 of the smallest 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", the top address "A-4" in the database.
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". And a rhythm pattern dedicated to disco music having a complexity of "25" at address "4".
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 is present 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 is composed of 3 bytes of data. In the timing data, the interval of occurrence 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 in order to greatly shorten the access time to the hard disk drive 24, and data transfer between the RAM 23 and the hard disk drive 24 is performed. It goes without saying that a DMA device may be provided to reduce the burden.

The display 29 inputs data and the like 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 selection pattern item is currently selected, and that the component whose nothing is displayed is not selected. In addition, it indicates 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.

For example, in FIG. 5A, the bass drum (B
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. In addition, 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. 5 (A) 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 way, it is possible to easily recognize whether the component is selected and to intuitively recognize the position 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 using an element other than the complexity (for example, intensity, good glue, 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 programs, data, and the like to the personal computer 20, and has numeric keys, function keys, and the like.

The switch detection circuit 27 detects the 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 processing of the automatic accompaniment.

In this embodiment, a note number corresponding to the key depression 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 transmit 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 head 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 indicating the control 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 key of note number G # 3 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 drum sound designation keys.
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 the key of Conga L (Conga L), the key of note number D # 4 is Timbale (Timb), the key of note number F4 is the low of the temple block (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 Tamblin, the key of note number A # 4 is Clave, the key of note number B4 is cowbell, and the key of note number C5 is Agogo H, key 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 crash cymbal (Crash CY), and the key of note number E5 corresponds to the drum sound of 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 grouped according to their playing 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) include a tom-tom high (TomH), a tom-tam middle (Tom M), and a tom-tom low (TomH).
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, tamblins (Tamb), Claves, Cowbells, Handcraps (Claps), Crash Cymbals (Crash CY) and Ride Cymbals (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 out rhythm pattern data corresponding to the selected 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 with the order corresponding to the complexity of the rhythm pattern as an address. 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 the rhythm pattern data stored in the database unit 5 at the address specified by the head address, and supplies the read rhythm pattern data 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 of the note number F # 2 of the keyboard 1A of FIG. 1, an insert input key of the note number G # 2, a quantization designation key of 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, the replacement input means that the original note event data of the current pattern is erased and only new note event data is stored. 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 the 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 that all drum sounds of the component corresponding to the operated keyboard are deleted.

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 pattern is 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 out at any time by operating a key in the pattern assignment area of the keyboard 1A.

The pattern registration means 62 corresponds to a 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 calculates 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" in 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 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.
The tone generator 17 is caused to produce a musical tone. 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 various other 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. 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 the “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.

9 to 12 are executed when the received MIDI message is a note-on message.
It is a figure showing processing corresponding to a note number of a note-on message of (B). FIG. 9 (A) shows a case where the keys in the pattern assignment area corresponding to the note numbers E0 to B1 of the keyboard 1A are operated, whereby the note numbers E0 to E1 are operated.
FIG. 14 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 corresponding assignment memory area of the 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 the key of the pattern assign area, 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. 13 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 specified. 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 less 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 shown in 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 the database means 5 for a triplet-based rhythm pattern corresponding to the template based on a pattern prototype called a template designated in advance, and adding it to the current pattern. . The second of the 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 pattern 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 which 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 the drum sound in the current pattern from the software component to the hardware component.

The drum sounds constituting the hardware components include, for example, a bass drum (BD), a snare drum (SD), and a 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 drum sounds constituting the software component include, 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 performing one of the following. The first of the softening processing is performed by uniformly reducing all velocities of the rhythm pattern in the current pattern. Second of softening process
Is performed by exchanging drum sounds in the current pattern from hardware components to software components.

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 the value “90”.

The beautification processing (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 stuttering process is performed by adding a triplet 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. 9 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 the 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, if the running state flag RUN is determined to be 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.
Pattern memory 1 in the timer interrupt processing of No. 4
, The current pattern reading process is sequentially performed.

FIG. 9F shows a 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. 9 is a diagram showing a bank 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. 11 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 progressed 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 the key in the drum pattern area is operated while the replace key is kept pressed, the processing of 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. 14 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
A high level "1" is set in ERT and the routine returns.
As a result, when a key in the drum pattern area is operated while the insert key is kept pressed, 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 reaches 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 read by quantizing. 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.
FIG. 14 is a diagram showing a delete drum key process performed when the delete drum key is received. 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,
The 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.
As a result, for example, a note-on message of note number C4 is subsequently detected, 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 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 details of the flag corresponding process 1 of FIG. 11D. 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.
FIG. 11 is a diagram illustrating an insert process executed by operating a key in a drum pattern area while an insert key corresponding to # 2 is being 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 this 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 at 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 obtained 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 this delete component process, a 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
, A replace key corresponding to note number F # 2, an insert key corresponding to note number G # 2, a quantize corresponding to note number A # 2, a delete drum corresponding to note number C # 3, and a 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 in the previous step 33 is end data. If the event data is end data, the process proceeds to step 39;

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 the end data, YES is determined in step 34, and the process of step 39 is performed. If the data is event data, the processes of steps 35 and 36 are 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 pressed, 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 that has been accented in step 52, the note event that remains as a result of deletion in step 54, or the note event that has not been processed in steps 52, 54, and 56
Output to the electronic musical instrument 1F via C and 1D.

FIG. 16 is a diagram showing the details of the flag handling 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. 12 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 VARI1
FIG. 14 is a diagram illustrating variation processing performed when a high level “1” is set to ARI2 (VARI1 or VARI2 = 1). In the 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 adjective is read out one by one each time this process is executed, and the process is repeated until the four readings are completed. Then, when the processing for four times is completed, 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. 9 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, the current pattern in the current pattern memory 1 is copied to the undo buffer 3, and an operation for changing the content of the current pattern according to the specified 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 CPU 21 of 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 of the complexity is determined in the pattern table 63. 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. This 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, and if it is the same or larger (NO), the process proceeds to step 74. 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. That is, 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), here 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 by a search template (Search).
h-template) and replace it with a replace template (Replace-template).
te), and is replaced with a predetermined rhythm pattern. Specifically, the rhythm pattern corresponding to the search template is replaced with a triple-note rhythm pattern of the replacement template.

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 consisting of eight eighth notes and two sixteenth notes is shown, and the replacement data (0 160 320) of the replacement template shows a triple note rhythm pattern 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 the search template ((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 sounds and velocities of the rhythm pattern are replaced according to 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 (3rd data) of the replacement data.
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 correspondence 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 that is note-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 constitute 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 adjective sequence data, and the sequence of adjectives for which the performance of these four measures has been completed is also ended. 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 according to 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, a case will be described in which a section designating unit including an intro key, an ending key, a fill 1 key, and a fill 2 key exists on the panel switch 1B of the electronic musical instrument 1F. When any key of the section designating means is operated, a process corresponding to the operated key is executed. Hereinafter, the details of this processing will be described.

For example, when the intro key is operated while the automatic accompaniment is stopped, the current pattern (basic pattern) in the current pattern memory 1 is modified so as to be suitable for the intro performance, and the automatic accompaniment is started. Become. When the intro performance of the predetermined number of measures is completed, the performance shifts to the performance based on the current pattern.

When the fill 1 key is operated during the automatic accompaniment, the current pattern (basic pattern) in the current memory 1 is transformed so as to be suitable for the fill-in performance.
The accompaniment pattern is switched. Then, when the fill-in performance of a predetermined number of measures is completed, the current pattern (basic pattern) before deformation is restored.

When the fill 2 key is operated during the automatic accompaniment, the current pattern (basic pattern) in the current memory 1 is transformed so as to be suitable for the fill-in performance.
The accompaniment pattern is switched. Then, when the fill-in performance of a predetermined number of measures is completed, a transition is made to an accompaniment pattern different from the current pattern (basic pattern) before deformation, that is, a slightly modified basic pattern before deformation.

When the ending key is operated during the automatic accompaniment, the current pattern (basic pattern) in the current memory 1 is transformed so as to be suitable for the ending performance, and the accompaniment pattern is switched. Then, the automatic performance ends when the ending performance of the predetermined number of measures ends.

Here, intro performance, fill-in performance,
The deformation suitable for the ending performance means that the above-described deformation by each adjective or the deformation element constituting each adjective is appropriately combined. For example, in the case of a two-bar intro performance, the first half of the first bar and the first half of the second bar are relatively quiet. In addition, the basic pattern is deformed such that the second half of the second measure is excited.

FIG. 22 shows a case where each key (intro key, ending key, fill 1 key and fill 2 key) of the section designating means on the panel switch 1B is operated, and a corresponding MIDI message is received from the electronic musical instrument 1F. FIG. 7 is a diagram showing an example of the processing performed in the first embodiment. That is, when any of the keys (the intro key, the ending key, the fill 1 key, and the fill 2 key) of the section designating means is operated, the processing in FIG. 22 is executed in accordance with the operated key. .

FIG. 22A is a diagram showing processing when an intro key is operated. In this process, it is determined whether or not the traveling state flag RUN is at a low level “0”. If it is determined that the low level is "0" (YES), it means that the performance is currently stopped, and the process proceeds to the next step. If the high level is determined to be "1" (NO), it means that the player is currently in the playing state, and the operation returns without any operation of the intro key. If it is determined in the previous step that the performance is stopped, the current pattern in the current pattern memory 1 is temporarily saved in the save memory 4. The number of intro measures required for the intro performance is set, and a modification suitable for the intro performance is applied to the current pattern in the current pattern memory 1 to generate intro performance patterns for the set number of measures. Then, the code number "1" indicating the intro performance is set in the state register STATE, the high level "1" is set in the running state flag RUN, and the routine returns.

FIG. 22B is a diagram showing processing when the ending key is operated. In this process, it is determined whether or not the running state flag RUN is at a high level "1". If it is determined to be high level “1” (YES),
Since it means that it is currently in the playing state, the process proceeds to the next step and below. If not (NO), it means that it is in the currently stopped performance state, and the operation returns without ending the operation of the ending key. If it is determined in the previous step that the music piece is in the playing state, the number of ending measures required for the ending performance is set, and a modification suitable for the ending performance is performed on the current pattern in the current pattern memory 1, and the number of measures corresponding to the set number of measures is obtained. Generate an ending performance pattern. Then, the code number "4" indicating the ending performance is set in the status register STATE, and the routine returns.

FIG. 22C shows a fill-in key (fill 1).
FIG. 9 is a diagram illustrating a process when a key or a fill 2 key is operated. In this processing, the traveling state flag R
It is determined whether UN is at high level "1". If it is determined that the high level is "1" (YES), it means that it is currently in the performance state, and the process proceeds to the next step and the subsequent steps. If the low level is determined to be "0" (NO), it means that the performance is currently stopped, and the operation returns without any operation of the fill-in key. If it is determined in the previous step that the music is in the playing state, the current pattern in the current pattern memory 1 is temporarily saved in the save memory 4.
Set the number of fill-in bars required for fill-in performance,
A modification suitable for the fill-in performance is performed on the current pattern in the current pattern memory 1 to generate a fill-in performance pattern for the set bar. Then, it is determined whether the operated key is the fill 1 key or the fill 2 key. In the case of the fill 1 key, fill 1 is stored in the status register STATE.
The code number "2" indicating the fill-in performance is set according to the key, and the routine returns. In the case of the fill 2 key, the code number "3" indicating the fill-in performance is set in the status register STATE according to the fill 2 key. To return.

FIG. 23 is a diagram showing timer interrupt processing II executed by 480 interrupts per quarter note.
This is a process of sequentially reading the current pattern deformed in 2 from the current pattern memory. This timer interrupt processing
II is processed according to 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 81: It is determined whether or not the running state flag RUN is at a high level "1".
If (YES), proceed to the next step 82, otherwise (NO), return immediately. Step 82: Event data is sequentially read from the current pattern memory 1, and a process according to the event data is performed. That is, in this step 82, FIG.
The same processing as steps 32 to 40 of the timer interrupt processing is repeatedly executed.

Step 83: It is determined whether or not the read timing in the bar is a bar line timing. If the read timing is a bar line timing (YES), the flow advances to the next step 84.
If not (NO), the process returns. Step 84: It is determined whether the stored value of the status register STATE is the code number "0", and "0" (YES)
In the case of a code number other than "0", the process returns to step 85.

Step 85: The number of measures set in FIG. 22 (that is, the remaining number of unplayed measures) is decremented. That is, in FIG. 22A, when the number of intro measures is set to "4" and the performance of two measures has been completed, the number of remaining measures becomes "2" in this step. Step 86: Determine whether the number of remaining bars is "0",
In the case of "0" (YES), the flow proceeds to the next step 87,
If not (NO), there is a bar that has not been played yet, so the routine immediately returns.

Step 87: Since it has been determined in the previous step that the performance of all measures has been completed, here, it is determined how many code numbers are in the state register STATE, and processing according to the code numbers is performed. Branch processing. That is, if the code number of the status register STATE is "1" or "2", the process proceeds to step 88, if "3", the process proceeds to step 89, and if "4", the process proceeds to step 8B. Step 88: The fact that the code number of the status register is determined to be “1” or “2” in the previous step means that the intro performance or the fill 1 performance has been performed, so that it is temporarily stored in the save memory 4. The saved current pattern (that is, the current pattern before shifting to the intro performance or the fill 1 performance) is copied to the current pattern memory 1, and the process proceeds to step 8A.

Step 89: When the code number of the status register is determined to be "3" in the previous step,
Since this means that the fill 2 performance has been performed, the current pattern temporarily saved in the save memory 4 (that is, the current pattern before the intro performance or the fill 1 performance and thereafter) is suitable for the fill 2 performance. The pattern is transformed into a pattern, copied to the current pattern memory 1, and the process proceeds to step 8A. Step 8A: Set code number “0” in status register 8A and return. As a result, a normal performance will be performed from the next time. Step 8B: Since the fact that the code number of the status register is determined to be "4" in the previous step means that the ending performance has been performed, the running status flag R
A low level “0” is set to UN and the process returns. Thereby, the automatic accompaniment stops.

Next, still another embodiment of the present invention will be described. Here, by operating the adjective designation means 8 while operating any of the keys of the above-mentioned section designation means, the transformation processing (intro transformation, ending transformation, fill 1) corresponding to the key operation of each section designation means is performed. The modification and the fill 2 modification) are performed based on the adjective specified by the adjective specifying means 8.

For example, when the intro key of the section designating means and the adjective designating means 8 are simultaneously operated while the automatic accompaniment is stopped, the deformation based on the adjective designated for the current pattern (basic pattern) in the current pattern memory 1 is performed. , And the automatic accompaniment with the modified accompaniment pattern starts. When the intro performance of the predetermined number of measures is completed, the performance shifts to the performance based on the current pattern.

When the fill 1 key of the section designating means and the adjective designating means 8 are simultaneously operated during automatic accompaniment, the current pattern (basic pattern) in the current memory 1 is transformed based on the designated adjective. Is switched to the modified accompaniment pattern. Then, when the fill-in performance of a predetermined number of measures is completed, the current pattern (basic pattern) before deformation is restored.

When the fill 2 key of the section designating means and the adjective designating means 8 are simultaneously operated during automatic accompaniment, the current pattern (basic pattern) in the current memory 1 is transformed based on the designated adjective. Is switched to the modified accompaniment pattern. Then, when the fill-in performance of a predetermined number of measures is completed, an accompaniment pattern different from the current pattern (basic pattern) before the transformation, that is, a pattern in which the basic pattern before the transformation is slightly transformed based on the specified adjective is changed. Become.

When the ending key of the section designating means and the adjective designating means 8 are simultaneously operated during automatic accompaniment,
The current pattern (basic pattern) in the current memory 1 is transformed based on the specified adjective,
Switching to the modified accompaniment pattern is performed.
Then, the automatic performance ends when the ending performance of the predetermined number of measures ends.

FIGS. 24 and 25 show the panel switch 1B.
Each key (intro key, ending key, fill 1 key and fill 2 key) of the upper section designating means is operated, and a corresponding MIDI message is sent to the electronic musical instrument 1.
FIG. 9 is a diagram illustrating an example of a process performed when the information is received from an F; 24A shows an intro designating switch of the section designating means, FIG. 24B shows a fill 1 designating switch, FIG. 25A shows a fill 2 designating switch, and FIG.
(B) is a diagram showing a process when the ending designation switch is operated.

In FIG. 24A, whether the received MIDI message is an ON event of the intro designation switch,
That is, it is determined whether the intro designation switch has been turned on. The intro designation switch is on (Y
ES), the switch status register SWST
The code number "1" indicating that the intro designating switch is in the ON state is set in ATE, and the routine returns. If the received MIDI message is an off event of the intro designating switch (NO), that is, if it is turned off, the switch status register SWSTA
It is determined whether or not the stored value of TE is the code number “1”. If it is determined that the value stored in the switch state register SWSTATE is "1", the intro designating switch has been turned off, so that "0" is set in the switch state register SWSTATE and the routine returns.
If the value stored in the switch state register SWSTATE is a value other than “1”, the process returns. Thus, the switch state register SWSTATE is rewritten according to the operation of the intro designation switch.

In FIG. 24B, whether the received MIDI message is the ON event of the fill 1 designation switch,
That is, it is determined whether or not the fill 1 designation switch has been turned on. Fill 1 designation switch is on (Y
ES), the switch status register SWST
The code number "2" indicating that the fill 1 designation switch is in the ON state is set in ATE, and the routine returns. If the received MIDI message is an off event of the fill 1 designating switch (NO), that is, if it is turned off, the switch status register SWSTA
It is determined whether or not the stored value of TE is the code number “2”. If it is determined that the stored value of the switch state register SWSTATE is "2", the fill 1 designation switch has been turned off, so "0" is set in the switch state register SWSTATE and the routine returns.
If the value stored in the switch state register SWSTATE is a value other than "2", the process returns. In this manner, the switch state register SWSTATE is rewritten according to the operation of the fill 1 designation switch.

In FIG. 25A, whether the received MIDI message is an off event of the fill 2 designation switch,
That is, it is determined whether or not the fill 2 designation switch has been turned on. Fill 2 designation switch is on (Y
ES), the switch status register SWST
The code number "3" indicating that the fill 2 designation switch is in the ON state is set in ATE, and the routine returns. If the received MIDI message is an off event of the fill 2 designation switch (NO), that is, if the received MIDI message is turned off, the switch status register SWSTA
It is determined whether or not the stored value of TE is the code number “3”. If it is determined that the stored value of the switch state register SWSTATE is "3", the fill 2 designation switch has been turned off, so "0" is set in the switch state register SWSTATE and the routine returns.
If the value stored in the switch state register SWSTATE is a value other than "3", the process returns. Thus, the switch state register SWSTATE is rewritten according to the operation of the fill 2 designation switch.

In FIG. 25 (B), it is determined whether or not the received MIDI message is an on event of the ending designation switch, that is, whether or not the ending designation switch has been turned on. If the ending designation switch has been turned on (YES), a code number "4" indicating that the ending designation switch is on is set in the switch state register SWSTATE, and the routine returns. The received MIDI message is an ending designation switch ON event (NO).
In this case, that is, when it is turned off, it is determined whether or not the value stored in the switch state register SWSTATE is the code number “4”. If it is determined that the stored value of the switch state register SWSTATE is “4”, the ending designation switch is turned off, and “0” is stored in the switch state register SWSTATE.
Set and return. If the value stored in the switch state register SWSTATE is a value other than "4", the process returns. In this manner, the switch status register SWST is operated according to the operation of the ending designation switch.
Rewrite ATE.

FIG. 26 shows note numbers D2 to D2 of the keyboard 1A.
Transformers 1-5 corresponding to A2 (excluding #)
FIG. 9 is a diagram showing adjective key processing performed when the MIDI message including the note numbers D2 to A2 (excluding #) is received from the electronic musical instrument 1F by operating the keys of the electronic musical instrument 1F.
This process is executed sequentially in the following steps.

Step 91: It is determined whether or not the running state flag RUN is at a high level "1".
When it is determined to be (YES), the process proceeds to the next step 92, and when it is determined to be the low level “0” (NO), the process proceeds to step 9D. Step 92: Since it is determined in the previous step that the playing state is present, the number of the code number of the current switch state register SWSTATE is determined, and a branch process is performed so as to perform a process according to the code number. That is, the code number of the switch state register SWSTATE indicates "1" indicating the ON state of the intro designation switch.
In case of, return immediately. "0" indicates that the code number indicates the OFF state of each switch of the section designating means 63
If so, the process proceeds to step 93. If the code number is “2” or “3” indicating the ON state of the fill 1 designation switch or the fill 2 designation switch, the process proceeds to step 94. If the code number is "4" indicating that the ending designation switch is on, the process proceeds to step 9A. ＄

Step 93: Since it is determined in the previous step 92 that none of the switches of the section designating means 63 have been operated, here, the above-mentioned normal transformer is designated, and the current pattern is transformed according to the adjective. And return. Step 94: Since it is determined in the previous step 92 that the fill 1 designating switch or fill 2 designating switch is on, the transformer is used for fill-in performance. In this case, the current pattern in the current pattern memory 1 is used. It is temporarily saved in the save memory 4. Step 95: Set the number of fill-in measures required for fill-in performance. Step 96: Apply a modification suitable for fill-in performance to the current pattern in the current pattern memory 1 according to the adjective indicated by the adjective instruction means 8 to generate a fill-in performance pattern.

Step 97: Switch status register SW
It is determined whether the stored value of STATE is “2” and “2”
In the case of (YES), the process proceeds to step 98, and if it is not “2”, that is, in the case of “3”, the process proceeds to step 99. Step 98: Since the stored value of the switch state register SWSTATE is the code number “2” indicating the ON state of the fill 1 designation switch, the state register STAT is used here.
A code number "2" indicating fill-in performance corresponding to the fill 1 switch is set in E, and the routine returns. Step 99: Since the stored value of the switch status register SWSTATE is the code number “3” indicating the ON state of the fill 2 designation switch, the status register STAT is used here.
A code number "3" indicating fill-in performance corresponding to the fill 2 switch is set in E, and the routine returns.

Step 9A: Since it was determined in the previous step 92 that the ending designation switch was in the ON state,
This is a case where a transformer is used for ending performance. Here, the number of ending measures required for ending performance is set. Step 9B: Apply a modification suitable for the ending performance to the current pattern in the current pattern memory 1 in accordance with the adjective indicated by the adjective instruction means 8 to generate an ending performance pattern. Step 9C: A code number "4" indicating the ending performance corresponding to the ending switch is set in the status register STATE, and the routine returns.

Step 9D: Since it is determined in the previous step that the performance is stopped, it is determined here whether the code number of the current switch state register SWSTATE is “1”, and if it is “1” (YES), Step 9E
And returns if the code number (NO) is other than "1". Step 9E: This is the case where the stored value of the switch state register SWSTATE is determined to be “1” in the previous step 9D, so that the transformer is used for intro performance. Here, the current pattern in the current pattern memory 1 is saved. It is temporarily saved in the memory 4.

Step 9F: The number of intro measures required for intro performance is set. Step 9G: Apply a modification suitable for intro performance to the current pattern in the current pattern memory 1 according to the adjective indicated by the adjective instruction means 8 to generate an intro performance pattern. Step 9H: The code number "1" indicating the intro performance is set in the status register STATE, the high level "1" is set in the running status flag RUN, and the routine returns.

The current pattern deformed by the processing of FIGS. 24 to 26 is stored in the timer interrupt processing of FIG.
The data is sequentially read and processed by the II. In the above embodiment, the number of measures (the number of intro measures, the number of fill-in measures, and the number of ending measures) may be determined in advance, or may be set to a different number depending on the operation state of each key. Good. For example, the number of measures may be set according to the operation intensity (touch) of each key, or the number of measures may be set according to the operation time length (ON duration). Further, as long as each key can detect its operation position, the number of measures may be set according to the operation position.

The timing of shifting to the fill-in performance and the ending performance may be shifted immediately according to the operation, may be shifted from the next bar operated, or may be changed according to the operation timing. You may make it switch between the two transfer methods. Even when the same adjective key is operated, different transformations may be applied depending on whether a normal transformer is specified, an intro performance, a fill-in performance, or an ending performance.

[0183]

As described above, according to the present invention, it is not necessary to store a large amount of accompaniment patterns, and there is an effect that various intro performances, fill-in performances, and ending performances can be performed.

[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 on the personal computer side in FIG. 2;

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 showing a display example of a display.

FIG. 6 is a diagram showing an example of various functions assigned to the keyboard shown in FIG. 2;

7 is a diagram showing an example of a processing routine executed by the CPU of the electronic musical instrument of FIG. 2; 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 of FIG. 2; FIG. 8A shows an example of a main routine, and FIG. 8B shows the MIDI receiving process of 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 480 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 showing details of “pattern registration processing” in “other processing” of FIG. 8 performed by the CPU of the personal computer of FIG. 2;

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.

FIG. 21 is a diagram illustrating a display example of a display screen of the display in FIG. 2;

FIG. 22 operates each key of the section designating means;
FIG. 13 is a diagram showing an example of processing performed when a corresponding MIDI message is received from the electronic musical instrument 1F.
FIG. 22A shows a case where the intro key is operated.
FIG. 22B shows a case where the ending key is operated, as shown in FIG.
(C) shows processing when the fill-in key (either the fill 1 key or the fill 2 key) is operated.

FIG. 23 is a diagram showing timer interrupt processing II executed by 480 interrupts per quarter note;

FIG. 24 shows the operation of each key (intro key, fill 1 key) of the section designating means, and the corresponding MID.
FIG. 24A is a diagram illustrating an example of processing performed when an I message is received from the electronic musical instrument 1F. FIG. 24A illustrates a case where an intro designating switch of a section designating unit is operated, and FIG. The processing when the designated switch is operated is shown.

FIG. 25 is a diagram illustrating an example in which each key (fill 2 key, ending key) of the section designation unit is operated, and M corresponding to the key is operated.
FIG. 25A is a diagram illustrating an example of processing performed when an IDI message is received from the electronic musical instrument 1F. FIG. 25A illustrates a case where a fill 2 designating switch is operated, and FIG. FIG. 9 is a diagram illustrating processing when an operation is performed.

FIG. 26 is a diagram showing another example of the MIDI reception process of FIG. 8 performed when the received MIDI message is an adjective key corresponding to note numbers D2 to A2 (excluding #).

[Explanation of symbols]

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

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-5-119773 (JP, A) JP-A-5-94190 (JP, A) JP-A-4-195198 (JP, A) JP-A-5-195198 323963 (JP, A) JP-A-2-72394 (JP, A) JP-A-3-126999 (JP, A) JP-A-63-286883 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) G10H 1/36-1/42 G10H 1/00 101-102

Claims (3)

(57) [Claims] 1. An accompaniment pattern storage means for storing an accompaniment pattern comprising at least a plurality of events; a reading means for reading an accompaniment pattern from the accompaniment pattern storage means; and at least one of an intro performance, a fill-in performance, and an ending performance. Playing state designating means for playing the music, and a playing state designated by the playing state designating means.
The accompaniment pattern read by the reading means
Events that meet the specified conditions
A detection template for detection and this detection template
What to do for events for which a match is
Use a change template to indicate how to change
The accompaniment pattern read by the reading means
And meets predetermined conditions based on the detection template.
Event to be detected and the detected event is changed
By changing based on the template,
And pattern deformation means for deforming the該伴Kanade pattern according to the playing state, respond to the presence or absence of a specified play mode by said playing state designating means
And an accompaniment sound generating means for generating an accompaniment sound based on the accompaniment pattern read by the reading means or the accompaniment pattern deformed by the pattern deforming means. 2. An accompaniment pattern storage means for storing an accompaniment pattern comprising at least a plurality of events; a reading means for reading out an accompaniment pattern from the accompaniment pattern storage means; and at least one of an intro performance, a fill-in performance, and an ending performance. A performance state designating means, an adjective designating means for designating an adjective, and a performance state designated by the performance state designating means.
According to the adjective specified by the adjective specifying means,
Event of accompaniment pattern read out by protruding means
To detect events that match a given condition
Detection template and the detection template
How to make changes to detected events
Using a change template that indicates
Per accompaniment pattern that has been read by the stage, the detection
Events that match certain conditions based on the template
And detects the detected event with the change template
The performance based on the specified performance state
And pattern deformation means for deforming the該伴Kanade pattern according to the fine adjective, respond to the presence or absence of a specified play mode by said playing state designating means
And an accompaniment sound generating means for generating an accompaniment sound based on the accompaniment pattern read by the reading means or the accompaniment pattern deformed by the pattern deforming means. 3. An accompaniment pattern storage means for storing an accompaniment pattern; a reading means for reading out an accompaniment pattern from the accompaniment pattern storage means; a performance state designating means for designating at least one of an intro performance and a fill-in performance; A section length designating means for designating a performance section length in accordance with designation of one of an intro performance and a fill-in performance by the state designating means; and a designation of one of the intro performance and the fill-in performance by the performance state designating means. Accordingly, the accompaniment pattern read by the reading means is transformed into a form suitable for the designated intro or fill-in performance by the section length designated by the section length designating means, whereby Pattern deforming means for generating a special performance pattern having a selected section length; Detecting the end of the special performance pattern generated by the pattern deforming means by determining the progress of the section length specified by the section length specifying means after the performance state is specified by the state specifying means; An automatic accompaniment apparatus, based on this detection, wherein after the performance based on the special performance pattern deformed by the pattern deforming means is completed, the performance is shifted to a performance based on the accompaniment pattern read by the reading means. .