JP2904022B2 - 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.

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

[0004]

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

[0005]

To achieve this object, an automatic accompaniment apparatus according to claim 1 includes an accompaniment pattern storage means for storing an accompaniment pattern comprising a plurality of musical instrument parts; Reading means for reading the accompaniment pattern from the pattern storage means, adjective providing means for providing adjective data describing the manner of deformation of the accompaniment pattern, and a predetermined algorithm corresponding to the adjective data provided by the adjective providing means Transforming means for transforming a specific musical instrument part in the accompaniment pattern read by the reading means.

According to a third aspect of the present invention, there is provided an automatic accompaniment apparatus, comprising: an accompaniment pattern storage means for storing an accompaniment pattern; a reading means for reading the accompaniment pattern from the accompaniment pattern storage means; An adjective providing means for providing the adjective data to be described, and a specific timing range in the accompaniment pattern read out by the reading means according to a predetermined algorithm corresponding to the adjective data provided by the adjective providing means. Deformation means.

According to a fifth aspect of the present invention, there is provided an automatic accompaniment apparatus, comprising: an accompaniment pattern storage means for storing an accompaniment pattern; a reading means for reading out the accompaniment pattern from the accompaniment pattern storage means; Adjective data storage means for storing a plurality of adjective data to be described, combination storage means for storing combination state data of the plurality of adjective data, and adjective providing means for providing a plurality of adjective data based on the combination state data According to a predetermined algorithm corresponding to the plurality of adjective data provided by the adjective providing means,
Transforming means for transforming the accompaniment pattern read by the reading means.

According to a ninth aspect of the present invention, there is provided an automatic accompaniment apparatus, comprising: an accompaniment pattern storage means for storing an accompaniment pattern; a reading means for reading out the accompaniment pattern from the accompaniment pattern storage means; Adjective data storage means for storing adjective data to be described, adjective data providing means for selectively providing the adjective data, and reading by the reading means in accordance with a predetermined algorithm corresponding to the adjective data provided by the adjective data means. And a means for arbitrarily editing the adjective data stored in the adjective data storage means.

[0009]

The accompaniment pattern is composed of a plurality of musical instrument parts (for example, related snare drum and bass drum, or ride cymbal and hi-hat). The accompaniment pattern storage means stores such an accompaniment pattern.
The reading means reads the accompaniment pattern from the accompaniment pattern storage means. The automatic accompaniment device generates an automatic accompaniment sound based on the read accompaniment pattern. The automatic accompaniment device according to claim 1 reads adjunction by reading means in accordance with adjective providing means for providing adjective data describing a manner of deformation of the accompaniment pattern, and a predetermined algorithm corresponding to the adjective data provided by the adjective providing means. Transforming means for transforming a specific musical instrument part in the issued accompaniment pattern. The deforming means deforms a specific musical instrument part in the accompaniment pattern based on the adjective data provided by the adjective providing means. For example, when the musical instrument part is composed of a snare drum and a bass drum, the transforming means operates to transform the snare drum but not to the bass drum. As a result, various accompaniment patterns can be created, and a variety of performances can be performed. This claim 1
As a recommended embodiment of the automatic accompaniment device described in
3. The automatic accompaniment apparatus according to claim 2, further comprising setting means for setting whether or not to deform each of the plurality of musical instrument parts of the accompaniment pattern, wherein the adjective is set for the musical instrument part set to be deformed. The transformation may be performed according to an algorithm corresponding to the data.

The automatic accompaniment device according to claim 3 provides adjective providing means for providing adjective data describing the manner of deformation of the accompaniment pattern, and reads out the data in accordance with a predetermined algorithm corresponding to the adjective data provided by the adjective providing means. Transforming means for transforming a specific timing range in the accompaniment pattern read by the means. The transformation means transforms a specific timing range in the accompaniment pattern based on the adjective data provided from the adjective providing means. That is, when the accompaniment pattern is composed of four measures, the deforming means modifies only the timing ranges of the second measure and the third measure, and changes the other first measure and the fourth measure. The operation is performed so as not to perform the deformation with respect to the timing range of. by this,
Various accompaniment patterns can be created, and a variety of performances can be performed. As a preferred embodiment of the automatic accompaniment device according to claim 3, as in the automatic accompaniment device according to claim 4, the accompaniment pattern includes a plurality of musical instrument parts, and the deforming means includes a plurality of accompaniment patterns of the accompaniment pattern. For each musical instrument part, the modification may be performed in a different timing range according to an algorithm corresponding to the adjective data.

An automatic accompaniment device according to claim 5 includes an adjective data storage means for storing a plurality of adjective data describing a manner of deformation of an accompaniment pattern, a combination storage means for storing combination state data of a plurality of adjective data,
An adjective providing means for providing a plurality of adjective data based on the combination state data, and a modification for modifying the accompaniment pattern read by the reading means in accordance with a predetermined algorithm corresponding to the adjective data provided by the adjective providing means Means. The means of providing adjectives are:
A predetermined adjective data is read from the adjective data storage means in accordance with the combination state data stored in the combination storage means and provided to the transformation means. The deforming means deforms the accompaniment pattern based on the adjective data provided from the adjective providing means. Therefore, the adjective data is provided to the deforming means in accordance with the combination state data stored in the combination storing means, and the deforming means performs the deformation in accordance with the provided adjective data. As a result, various accompaniment patterns can be created, and a variety of performances can be performed. As a preferred embodiment of the automatic accompaniment apparatus according to the fifth aspect, as in the automatic accompaniment apparatus according to the sixth aspect, the combination storage means is provided with a plurality of adjectives to be subjected to transformation processing substantially simultaneously. The combination of data may be stored, or the combination storage means may store a plurality of adjective data to be sequentially transformed according to the progress of the performance as in the automatic accompaniment apparatus according to claim 7. The combination may be stored, and further, as in the automatic accompaniment apparatus according to claim 8, the combination storage means stores a plurality of combination state data, and the adjective providing means stores the plurality of combination state data. An operator that can be arbitrarily assigned may be included.

The automatic accompaniment apparatus according to the ninth aspect has a means for arbitrarily editing the adjective data stored in the adjective data storage means. Therefore, the user can arbitrarily create adjective data according to his / her preference,
Various patterns can be obtained by modifying the accompaniment pattern with the created adjective data.

[0013]

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 a key press detection process, a transmission / reception process of performance data (note data), a tone generation process, and the like will be described. The present invention can be similarly applied to a configuration in which modules are separately configured, and data is exchanged between the modules using a MIDI interface. ROM12
Stores various programs and various data of the CPU 11, and is constituted by a read-only memory (ROM). The RAM 13 temporarily stores performance information and various data generated when the CPU 11 executes 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 a pitch of a musical tone to be produced, has a key switch corresponding to each key, and detects a key pressing speed as required. It has touch detection means such as a device and a pressing force detection device. The keyboard 1A is a basic 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. The tone generator 17 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 of the CPU 21, various data, 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 during automatic accompaniment. The assignment memory area is an area for storing a rhythm pattern newly created by the edit processing or the transformer processing. The undo buffer area is an area for temporarily storing a rhythm pattern 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 a personal computer 20
External storage device, dozens to hundreds of megabytes (MB)
Storage capacity. In this embodiment, the hard disk drive 24 is used as a 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 shows the contents of the address conversion pattern table 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 the bank C is common to rock music and disco music, it exists in both the rock music pattern table and the disco music pattern table. For example, in the pattern table of FIG. 4, the rhythm patterns of the head addresses “C-1” and “C-2” exist in both the rock music pattern table and the disco music pattern table. In FIG. 4, although the rhythm pattern is the same, the complexity is different because the predetermined rules for calculating the complexity are different between the rock music pattern table and the disco music pattern table as described above. is there. Since the banks A, B, and C also store a fill-in pattern for real-time performance and a pattern of other musical instruments as shown in FIG. 3, the fill-in pattern is temporarily stored instead of the current pattern. It can be inserted and played.

As shown in FIG. 3, the contents of the rhythm patterns stored in the banks A, B, and C are a combination of timing data indicating the occurrence timing of an event and note event data indicating the type of the event. Are sequentially stored in a relative time system. Here, the note event data is stored in a format corresponding to the MIDI note-on message, and 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, in order to greatly shorten the access time to the hard disk drive 24, a cache memory (RAM) of about several megabytes is provided, or 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 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. 5A shows a case where the complexity is directly displayed as a numerical value.
The complexity may be displayed by a graphic such as a bar graph as shown in FIG. By graphically displaying in this 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 a key operation state of the panel switch 2B, and outputs key information corresponding to the operation state to the CPU 21 via the bus 2D. The timer 28 counts time intervals and generates an operation clock for the entire personal computer 20. The personal computer 20 counts a predetermined number of the operation clocks to measure a predetermined time, and performs an interrupt process according to the time. For example, by setting the predetermined number to a value corresponding to the tempo of the automatic accompaniment, the personal computer 20 executes the processing of the automatic accompaniment.

In this embodiment, the note number corresponding to the key pressed state of the keyboard 1A is transmitted to the CPU 21 of the personal computer 20 via the MIDI interfaces 1D and 2C, so that the personal computer 20 can transmit the note number in addition to 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 which are grouped according to the performance form. Therefore, one or a plurality of drum sounds constitute this component. Here, when the component is composed of a plurality of drum sounds, it is necessary that there is a commonality (musical relation) in the performance form between them. For example, a bass drum (BD) and a snare drum (SD) include a tom-tom high (TomH), a tom-tam middle (Tom M), and a tom-tom low (TomH).
L), conga high (Conga H), conga low (Conga L) and timber (Timb), temple block high (TB H) and temple block 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 treated 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 the 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, the operation is performed by operating the keyboard 1A, and a component corresponding to the note number generated by operating the keyboard 1A is designated. At this time, since there are a plurality of rhythm patterns in each component, which rhythm pattern data of the designated component is read is determined by the velocity data at the time of operating the keyboard 1A.

That is, as shown in FIG. 4, the head address of each rhythm pattern data constituting each bank A, B, C in the database means 5 is stored in the pattern table 63 in the order according to the complexity of the rhythm pattern. Has been recorded. Therefore, by associating the velocity data at the time of operating the pattern selector 61 with the address of the pattern table 63, the pattern table 63
, The head address of the rhythm pattern data having different degrees of complexity according to the magnitude of the velocity data is supplied to the pattern selector 61. Pattern selector 61
Reads 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 for the note number F # 2 on the keyboard 1A of FIG. 1, an insert input key for the note number G # 2, a quantization designation key for the note number A # 2, and a note number C # 3. , A delete component instruction key of note number D # 3, and an accent input key of note number F # 3.

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

For example, the complexity “20” as shown in FIG.
The following describes the rearrangement of the pattern table on the assumption that the rhythm pattern of the tom-tom Tom is newly registered in the disco music pattern table of the bank B of the database means 5. First, the pattern registration means 62
Tom tom rhythm pattern database means 5
At the address "B-n1". Then, the pattern registration unit 62 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" of FIG. 7A. In the “key processing”, it is determined whether the operation state of the keyboard 1A is a key-on state or a key-off state, and a MIDI note-on message or a MIDI note-off message is transmitted to the personal computer 20 via the MIDI interfaces 1D and 2C according to the determination result. Output. Therefore, in this embodiment, even when the keyboard 1A is operated, the processing of the electronic musical instrument itself, that is, the sound source circuit 17 is not driven. Therefore, at the time of the key processing, the tone generator 17 does not perform the sound generation processing.

FIG. 7C is a diagram showing 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 the 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.

FIGS. 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 assignment 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, when 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 operated. 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.

Here, the drum sounds constituting the hardware components include, for example, bass drum (BD), snare drum (SD), and tom tom (Tom H, Tom M, To M).
mL), cowbell (Cowbell), Agago (Ag)
ogo H, Agogo L), Hand Craps (Cl
aps) and Crash (Crash CY), and 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”.

Graceful processing 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 (syncopating). The second stuttering process is performed by adding a triplet rhythm pattern to the current pattern based on the template.

Floating processing (Floating) means performing 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. 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, when 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" in order to stop reading, and the routine returns. On the other hand, if the running state flag RUN is determined to be low level “0” (NO), the first timing data in 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 the note number D3 of the keyboard 1A.
When one of the keys of banks A, B, and C corresponding to F3 to F3 (excluding #) is operated and a MIDI message including note numbers D3 to F3 (excluding #) is received from electronic musical instrument 1F. FIG. 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 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 any one of A3 to E5, it is a designation of a drum sound (single sound) or a component. Therefore, the lock flag LO
Any flag other than CK is high level “1” (YE
If determined to be S), the flag corresponding process 1 corresponding to the flag set to the high level “1” is executed and the process returns. Details of the flag handling process 1
This is shown in FIG.

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

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

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

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

FIG. 12B shows the note number G of the keyboard 1A.
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 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 the 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 has been pressed, and whether the high level "1" has been set in the delete drum flag DELDRUM of any of the drum sounds. 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 the CPU 21 of the personal computer 20.
It is a figure which shows the detail of. This "pattern registration process"
When registering new rhythm pattern data in the current pattern memory 1 in the database means 5, the complexity of the rhythm pattern data is obtained, and the level 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 already 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 search templates ((0 480 1440) (0 240
360 480) (20 20 20 20)) and the replacement template ((0 160 320) (0
FIG. 19 is a diagram illustrating a state where the current pattern of FIG. 18A is subjected to the transformer processing in accordance with (01) and (011)). The current pattern shown in FIG.
(A) is the same as the offset data (0 480).
960 1440) from the search data (0 2
A rhythm pattern corresponding to (40 360) exists.
However, in FIG. 19A, the offset data of the search template is (0 480 1440), and “960” is deleted from the offset data in the case of FIG. Therefore, in this case, FIG.
As shown in (B), only the third rhythm pattern corresponding to the search data (0 240 360) is not replaced by the triplet of the replacement data (0 160 320), but the original (0 240 360) The rhythm pattern will be maintained.

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

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

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

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

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

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

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

By performing such display, it is possible to recognize at a glance the drum sound to be generated 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. However, the present invention is not limited to this, and the present invention may be applied to accompaniment such as bass and chord backing. For example, a large number of base patterns and a large number of backing patterns may be stored in a database, and one of the patterns may be selected for each part by operating the operation element. That is, base part, packing part 1,
2, 3, ... (Each backing part has a different tone)
After operating the controls of the base part, select one of the base patterns from the database, and operate the controls of the packing part 1 to select one of the backing patterns from the database. I just need.

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

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

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

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

In the above-described embodiment, four measures are assigned as adjective sequence data, and the sequence of adjectives for which the performance of these four measures has been completed also ends. 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.

Next, another embodiment of the present invention will be described.
In the above-described embodiment, a case has been described where the contents of the current pattern are transformed in accordance with the adjective data specified by the adjective specifying means 8 corresponding to the transformer designation key. A case where the contents are transformed according to the contents set in the transformation condition table or the adjective macro table will be described. A predetermined area of the RAM 23 as shown in FIG. 3 is assigned to the transformation condition table and the adjective macro table.

FIG. 22 is a diagram showing an example of the deformation condition table. This deformation condition table includes a flag area indicating whether or not to perform a deformation based on adjective data (presence or absence of a deformation) for each of a plurality of musical instruments (or musical instrument groups) constituting an accompaniment pattern, and which part of the entire pattern is to be deformed. And a deformed portion area indicating a watermark. In the flag area, a high-level "1" flag is set in the case of an instrument to be transformed, and otherwise a low-level "0".
Is set.

For example, in FIG. 22, since the high-level "1" flag is set in the flag area of three musical instruments B, C, and E in the musical instrument group including the five musical instruments A to E,
The three musical instruments B are transformed by the adjective data.
C and E. Note that low-level “0” flags are set in the flag areas of the two musical instruments A and D that have not been subjected to the deformation processing.

[0155] In the conversion portion area, a deformed portion in the case where the entire pattern is divided into a plurality of portions is indicated by a knitted portion, and a portion that is not deformed is indicated by a blank. For example, in FIG. 22, the entire pattern is composed of four beats, and the musical instrument B has a shaded portion in the latter half (third and fourth beats) of the entire pattern. Is applied only to this latter part. As for the musical instrument C, the entire pattern is shaded, so that the entire pattern is deformed by the adjective data.
As for the musical instrument E, since the hatched portion exists at the first position (first beat) when the entire pattern is divided into four parts, only the first part is deformed by the adjective data. In FIG. 22, which part of the pattern is to be deformed is shown as a knitted portion, but is actually indicated by a high-level "1" or low-level "0" flag, similarly to the flag area. Needless to say, it is good.
Further, the transformation condition table may be arbitrarily created and edited by the user. The details of the deformation process using this deformation condition table will be described later.

FIG. 24A shows details of the adjective macro table. The adjective macro table includes a measure number area indicating the number of measures to be transformed by adjective data using macro numbers "1" to "N" as addresses, and a measure to be applied to which measure by what adjective data. And a deformation content area indicating a watermark. For example, FIG.
In No. 4, the adjective macro table is composed of N macros. “4” indicating that the number of measures to be transformed is four is stored in the measure number area of the macro 1. "2" is in the measure number area of macro 2, "1" is in the measure number area of macro 3, "2" is in the measure number area of macro 4,
“3” is stored in the bar number area of the macro N. In the macro 1, since no adjective is assigned to the second measure, the number of measures to be actually deformed is "3". However, the number of measures "4" in this embodiment is the fourth measure. Means that they can be transformed by adjectives.

In each macro, the type of adjective data indicating the content of the transformation processing is stored at the position of the measure to be transformed. "Adjective A + C" is stored in the first measure of Macro 1, "Adjective B" is stored in the third measure, and "Adjective E" is stored in the fourth measure. Macro 2
"Adjective B" is stored in the first measure, and "Adjective C + D" is stored in the second measure. “Adjective D + A” is stored in the first measure of macro 3. "Adjective C" is stored in the first measure of Macro 4, and "Adjective B" is stored in the second measure. In the first bar of macro N, "Adjective B"
However, "Adjective A + C" is stored in the second measure, and "Adjective E" is stored in the third measure. Here, "Adjective B"
Means that the transformation process is performed by the adjective B, and "Adjective E" means that the transformation process is performed by the adjective E. Further, “Adjective A + C” means that a deformation process by adjective A is performed and then a deformation process by adjective C is performed (two deformation processes are performed substantially simultaneously), and “Adjective C + D” is a shape by adjective C This means that after performing the transformation process, the transformation process using the adjective D is performed.
+ A ”is the adjective A
Means to perform the deformation processing.

FIG. 24B is a diagram showing a macro assignment table indicating which adjective macro in the adjective macro table of FIG. 24A is assigned to the macro switch. The macro switch is composed of four push-button switches separately provided on the panel switch 2B in FIG. 1, and the one operated last is effective. For example, FIG.
In (B), the macro number “1” is assigned to the first macro switch, ie, macro 1 in FIG. 24A, the macro 2 is assigned to the second macro switch, the macro 4 is assigned to the third macro switch, Macro 4 in the fourth macro switch
Are assigned respectively. Therefore, when the first macro switch is operated last, the transformer 9 follows the macro 1 in the adjective macro table, performs a deformation process with the adjective C in the first measure after the operation, and then performs a deformation process with the adjective C, A series of adjective macro processing is performed in which no deformation processing is performed in the second measure, a deformation processing using the adjective B is performed in the third measure, and a deformation processing using the adjective E is performed in the fourth measure. The adjective macro table and the macro assignment table may be arbitrarily created and edited by the user. The details of the transformation process using the adjective macro will be described later.

Furthermore, in this embodiment, an adjective edit operator for editing adjective data is provided. The adjective edit operator corresponds to a keyboard, numeric keys, etc. provided on the panel switch 2B of FIG. The editing process using the adjective edit operator includes a new adjective creation process, an adjective editing process, an adjective copy process, an adjective deletion process, and the like, the details of which will be described later.

The contents of each adjective will be described below.
FIG. 27 is a diagram showing a data format of an adjective.
Each adjective is composed of a plurality of transformation elements 1 to n. Each deformation element is composed of a deformation element type and a parameter. The number of deformation elements is two or three depending on the adjective.
Or individual. The deformation element type is an algorithm (program) in which what deformation processing is to be performed on the current pattern is described based on the parameters. Therefore, the content of the adjective can be changed by changing the algorithm or the parameter by the adjective edit processing.

Complex processing of the adjective Co (Comple)
x) is composed of two deformation elements. The content of the first deformation element of the complication processing is based on a pattern prototype called a template specified in advance, and a triplet-based rhythm pattern corresponding to the template is searched from the database means 5, for example, a rock music pattern. , It is added to the current pattern. In this deformation element, “template” and “triplet system” are parameters. Therefore, by rewriting the contents of the “template” or changing the “triplet system” to the “quintuple system”, the contents of the first transformation element of the complication processing can be rewritten. The content of the second deformation element of the complication processing is that drum sounds constituting components other than the crash are randomly extracted from the database means 5 and added to the current pattern. "Crash" is a parameter in this deformation element.

Simplification processing of adjective Si (Simple)
Is composed of three deformation elements. The contents of the first modified element of the simplification processing are as follows. The database means 5 searches for a pattern closer to the basic rhythm pattern than the rhythm pattern of the bass drum (BD) and the snare drum (SD) in the current pattern. That is to make it the current pattern. Among these deformation elements, "bass drum (B
D) "and" snare drum (SD) "are parameters. The contents of the second deformation element of the simplification processing are as follows: a search is made from the database means 5 for a rhythm pattern closer to the basic rhythm pattern than the rhythm pattern of the hi-hat (HHC, HHO) in the current pattern. It is to be. In this deformation element, “hi-hat (HHC, HHO)” is a parameter. That is, the only difference between the first modified element and the second modified element is the content of the parameter. The content of the third modified element of the simplification processing is to remove rhythm patterns of components other than the bass drum (BD), snare drum (SD), and hi-hat (HHC, HHO) from the current pattern. Among these deformation elements, “bass drum (BD)”, “snare drum (SD)” and “hi-hat (HHC, HHO)” are parameters.

The hardening process (Hard) of the adjective Ha is as follows.
It is composed of two deformation elements. The content of the first deformation element of the hardening process is to uniformly increase all velocities of the rhythm pattern in the current pattern. In this deformation element, “all”, “uniform”, and the like are parameters. The content of the second deformation element of the hardening process is to exchange the drum sound in the current pattern from the software component to the hardware component. In this deformed element, "software component" and "hardware component" are parameters.

Here, the drum sounds constituting the hardware components are a bass drum (BD) and a snare drum (S
D), tom tom (Tom H, Tom M, Tom
L), Cowbell, Agogo
go H, Agogo L), Hand Craps (Cl
aps) and Crash (Crash CY), and the drum sounds constituting the software components are Claves, Tambourine (Tamb), Hi-Hat (HHC, HHO), Ride (Ride CY), and Conga (Conga H, Conga). L), a wood block, and a shaker. Therefore, several types of deformation elements can be created by appropriately setting these drum sounds as parameters. 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.

The softening (Soft) of the adjective So is composed of two deformation elements. The content of the first modified element of the softening process is to uniformly decrease all velocities of the rhythm pattern in the current pattern. In this deformation element, “all”, “uniform”, and the like are parameters. The second of the softening processing is to exchange drum sounds in the current pattern from hardware components to software components. Among these deformation elements, "software component" and "hardware component"
Is a parameter.

The activation processing of the adjective En (Energy
ic) is composed of three deformation elements. The content of the first deformation element of the activation processing is to increase the rhythm pattern based on the template in the current pattern. In this deformation element, “template” is a parameter. The content of the second deformation element of the activation processing is to make the tempo speed close to about 120. “120” is a parameter in this deformation element. The content of the third deformation element of the activation processing is to bring the rhythm pattern in the current pattern closer to the triplet-based rhythm pattern based on the template (shuffle).
In this deformation element, “template” and “triplet system” are parameters.

The calm processing (Calm) of the adjective Ca is
It is composed of three deformation elements. The content of the first deformation element of the calming process is to reduce the rhythm pattern based on the template in the current pattern. In this deformation element, “template” is a parameter.
The content of the second deformation element of the calming process is that the tempo speed is 6
This is to approach 0. In this deformation element, “60” is a parameter. That is, the second deformation element of the calming process is the same except that “120” which is a parameter of the second deformation element of the activation process is “60”. The content of the third deformation element of the calming processing is to bring the rhythm pattern in the current pattern closer to the non-triplet rhythm pattern based on the template (non-shuffle). In this deformation element, “template” and “non-triplet system” are parameters.

Expressionless processing of adjective Me (Mechan
ical) is composed of four deformation elements. The content of the first deformation element of the expressionless processing is to quantize the rhythm pattern in the current pattern into 16 minutes based on the template. In this deformation element, “template” and “16 minutes” are parameters. The content of the second deformation element of the expressionless processing is to quantize 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. Among these deformation elements, “template”, “bass drum (BD)”, “snare drum (SD)”, and “eight minutes” are parameters. The content of the third modified element of the expressionless processing is to exchange the drum sound in the current pattern from the software component to the hardware component. Among these deformation elements, “software component” and “hardware component” are parameters. The content of the fourth deformation element of the expressionless processing is that the velocity data is "90".
Compression processing to a value centered on the value of. "90" is a parameter in this deformation element.

Graceful processing of adjective Gr (Gracefu)
l) is composed of four deformation elements. The content of the first deformation element of the grace processing is to extend the velocity data to both sides around the value of “64”. "64" is a parameter in this deformation element. The content of the second deformation element of the beautification process is to add a triplet-based rhythm pattern to the current pattern based on the template. In this deformation element, “template” and “triplet system” are parameters. The third of the beautification process
The content of the modified element is that the drum sound in the current pattern is replaced from a hardware component to a software component. Among these deformation elements, “hardware component” and “software component” are parameters. The contents of the fourth deformation element of the grace process are as follows:
This is to flutter (add a decorative sound) to the drum sound in the current pattern. "Flutter" is a parameter in this deformation element.

Stuttering processing of the adjective St (Stute
ring) is composed of two deformation elements. The content of the first deformation element of the stir processing is to delete the downbeat from the rhythm pattern in the current pattern and convert it to an upbeat (syncopate) based on the template. In this deformation element, “template” is a parameter. The content of the second deformation element of the stuttering process is to add a triplet rhythm pattern to the current pattern based on the template. In this deformation element, “template” and “triplet system” are parameters.

Floating processing of adjective Fl (Floatin
g) is composed of five deformation elements. The content of the first deformation element of the floating processing is to delete the upbeat from the rhythm pattern in the current pattern and convert it to a downbeat (non-syncopated) based on the template. In this deformation element, “template” is a parameter. The content of the second modified element of the floating processing is to reduce the triplet rhythm pattern from the current pattern based on the template. In this deformation element, “template” and “triplet system” are parameters. The content of the third modified element of the floating processing is to add a 12/8 triplet rhythm pattern to the current pattern based on the template. In this deformed element, "template" and "12/8 triple note system" are parameters. The content of the fourth modified element of the floating processing is to exchange the drum sound in the current pattern from the hardware component to the software component. Among these deformation elements, “hardware component” and “software component” are parameters. The content of the fifth modified element of the floating processing is to make the tempo speed close to “120”. “120” is a parameter in this deformation element.

FIG. 23 shows “pattern deformation 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 deformation processing is performed according to the setting contents of the deformation condition table. First, instrument A
It is determined whether (instrument group A) is to be transformed, that is, whether the high level “1” is set in the flag area of the transformation condition table. High level "1" in the flag area of musical instrument A (instrument group A)
Is determined to be set (YES),
Next, it is determined whether the first beat of the musical instrument A (instrument group A) is within the deformation range, that is, whether the first beat of the deformed portion display area of the musical instrument A (instrument group A) in the deformation condition table is a shaded portion. I do. The first beat is the deformation range (YES)
If it is determined that the rhythm pattern of the first beat is modified according to the specified adjective, it is written into the current pattern.

When it is determined that the first beat is not in the deformation range (NO) or when the deformation process of the first beat is completed, the same process as the first beat is performed on the next second beat. That is, it is determined whether the second beat of the musical instrument A (instrument group A) is in the deformation range, and if it is determined that the second beat is in the deformation range (YES), the rhythm pattern of the second beat is designated. Deformed according to the given adjective, and written in the current pattern. Hereinafter, the above-described deformation processing is repeatedly executed for the third and fourth beats.

If it is determined that the musical instrument A (instrument group A) is not a deformation target (NO), or if the musical instrument A
When the transformation process for (instrument group A) is completed, the same process as that performed for instrument A is repeated for the next instrument B (instrument group B). That is, it is determined whether or not the musical instrument B (musical instrument group B) is to be transformed, and whether the first to fourth beats of the musical instrument B (musical instrument group B) are in the transformation range. Then, the rhythm pattern of the beat corresponding to the determination result is modified according to the specified adjective, and written into the current pattern. Hereinafter, the above-described transformation processing is repeatedly executed for the musical instrument C (musical instrument group C), the musical instrument D (musical instrument group D), and the musical instrument E (musical instrument group E). In this way, all the instruments A (instrument group A) to instrument E in the transformation condition table
(Musical instrument group E) is subjected to pattern deformation processing.

FIG. 25 is a diagram showing the details of the "macro switch-on process" in the "other processes" of FIG. 8 performed by the CPU 21 of the personal computer 20. This macro switch-on process is a process performed when a macro switch (not shown) on the panel switch 2B of FIG. 1 is operated.

First, the macro number corresponding to the turned on macro switch is obtained from the macro assignment table shown in FIG. FIG. 24 shows the bar number data of the obtained macro number.
It is read from the adjective macro table of (A) and stored in the remaining measure number register REMAIN. Then, high level “1” is set to the variable n and the macro designation flag MACRO, and the routine returns.

FIG. 26 is a diagram showing a timer interrupt process II executed by 480 interrupts per quarter note. FIG. 26 shows a portion related to the macro switch-on process of FIG. 25 which is processed according to the operation of the macro switch. Show. This timer interrupt processing II is processed 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 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 or not the macro designation flag MACRO is at a high level "1", and the high level "1" (YE
In the case of S), the process proceeds to step 85, where the low level “0” is set.
In the case of (NO), the process returns.

Step 85: The adjective of the n-th measure in the macro number of the adjective macro table of FIG. 24A is read, and the contents of the current pattern are modified according to the adjective. Step 86: Decrement the value of the remaining measure number register REMAIN by "1". Step 87: It is determined whether or not the value of the remaining measure number register REMAIN is larger than "0". If the value is larger than "0" (YES), the process proceeds to the next step 88, and if it is "0", the process proceeds to step 89. Step 88: Increment the variable n by "1" and return. Step 89: Set macro designated slag to low level "0"
And return.

For example, when the third macro switch is operated, the macro number obtained from the macro assignment table is “4”, and the measure number data of the macro number “4” in the adjective macro table is “2”. Therefore, "2" is stored in the remaining measure number register REMAIN, and the variable n
The high level “1” is stored in the macro designation flag MACRO.

Then, the timer interrupt processing II of FIG. 26 is executed. At this time, since the running state flag RUN is at the high level "1", the event data corresponding to the in-measure read timing at that time is read from the current pattern memory 1 by the process of step 82.

When the intra-measure readout timing reaches the bar line timing, the process of step 84 is performed. At this time, the macro designation flag MACRO is at high level "1".
Therefore, in step 84, the determination is YES, and the processing in steps 85 and 86 is performed. Step 8
5 is 1 in macro number “4” in the adjective macro table.
The adjective C of the measure is read. The current pattern read in step 82 is modified according to the adjective C. In step 86, the value of the remaining measure number register REMAIN is decremented from "2" to "1". Since the value of the remaining measure number register REMAIN is not "0", the determination in the step 87 is YES, the process in the step 88 is performed, and the variable n is changed from "1" to "2".

Then, when the intra-measure readout timing becomes the timing of the bar line of the second measure, the process of step 84 is performed. At this time, the macro designation flag MACRO
Is high level "1", so in step 84, YES
Is determined, and the processes of step 85 and step 86 are performed. In step 85, the adjective B in the second measure of the macro number "4" in the adjective macro table is read.
The current pattern read in step 82 is modified according to the adjective B. In step 86, the value of the remaining measure number register REMAIN is decremented from "1" to "0". Remaining measure number register R
Since the value of EMAIN is "0", the determination in step 87 is NO, the process in step 89 is performed, and the macro designation flag MACRO is reset to low level "0". In this way, the transformation processing according to the adjective macro table is performed.

FIG. 28 is a diagram showing the details of the "adjective data editing process" in the "other processes" of FIG. 8 performed by the CPU 21 of the personal computer 20. This "adjective data editing process" is a process performed in response to the operation of an adjective data editing processing key (adjective editing operator) on the panel switch 2B. The adjective edit operator includes a new adjective key, an adjective edit key, an adjective copy key, an adjective delete key, and the like.
This process is executed sequentially in the following steps.

Step 91: It is determined what kind of edit is, that is, which edit processing key has been operated, and the flow branches to the corresponding processing step. In the case of a newly created key, the adjective new creation processing of steps 92 to 99 is performed.
Step 9H in case of copy key
In the case of a delete key, the process branches to the adjective deletion processes of steps 9L and 9M.

Steps 92 to 99 are processes performed in response to the operation of the newly created key. Step 92: Since the adjective new creation processing is determined in the previous step 91, a memory area for storing a new adjective accompanying the new creation is secured in the RAM 23. Step 93: It is determined whether or not to add a deformation element constituting a newly created adjective. If it is added (YES), the process proceeds to the next step 94; otherwise (NO), the process jumps to step 95.

Step 94: The deformed element data is written in the memory area for storing the newly created adjective (the area secured in step 92). Step 95: It is determined whether or not the deformed element constituting the newly created adjective is to be deleted. If it is to be deleted (YES), the process proceeds to the next step 96; otherwise (NO), the process jumps to step 97. Step 96: Delete the deformed element data from the memory area storing the newly created adjective.

Step 97: Other processing, for example, rewriting the deformation element type (program change), changing parameters, and the like. Step 98: It is determined whether or not the new creation process has been completed. If the process has been completed (YES), the process proceeds to step 99; otherwise, the processes of steps 93 to 97 are repeatedly performed. Step 99: Since the new creation processing is completed, input the adjective name and return.

Steps 9A to 9G are processes performed in response to the operation of the edit key. Step 9A: The adjective to be edited is specified by the adjective name. For example, the adjective name Co for complex processing, the adjective name Si for simplification processing, the adjective name Ha for hardening processing, the adjective name So for softening processing,
The adjective name En for the activation process, the adjective name Ca for the calmness process, and the adjective name Me for the expressionless process.
, The adjective name Gr for the grace process, the adjective name St for the stuttering process, and the adjective name Fl for the floating process.

Step 9B: It is determined whether or not the edited content is the addition of a deformed element. If it is added (YES), the process proceeds to the next step 9C; otherwise (NO), step 9D
Jump to Step 9C: Write the deformed element data to be added to the memory area storing the adjective to be edited.

Step 9D: It is determined whether or not the edited content is the deletion of the deformed element. If the edited content is deleted (YES), the process proceeds to the next step 9E. If not (NO), the process proceeds to step 9F.
Jump to Step 9E: The deformed element data is deleted from the memory area storing the adjective to be edited.

Step 9F: Other processing, for example, rewriting the deformation element type of the deformation element constituting the adjective to be edited (changing the program) or changing the parameter. Step 9G: Determine whether the editing process has been completed,
In the case of termination (YES), the process returns, and in the case of not termination (NO), the processes of steps 9B to 9F are repeatedly executed.

Steps 9H to 9K are processes performed in response to the operation of the copy key. First, in step 9H, the adjective to be copied is specified by the adjective name. In step 9J, a memory area for storing the adjective to be copied is stored in the RAM 23.
Secure within. In step 9K, the designated adjective is copied to the memory area secured in the previous step, and the process returns. Steps 9L to 9M are processing performed in response to the operation of the delete key. In step 9L, the adjective to be deleted is specified by the adjective name, and in step 9J, the adjective data to be deleted is deleted from the memory area and the process returns.

The new adjectives created in this manner are assigned to the note numbers D2, E2, F2, G2 and A2 of the keyboard 1A.
May be separately assigned to a transformer key corresponding to. In addition, the new adjective thus created may be appropriately designated in the modification condition table of FIG. 22 or the adjective macro table of FIG.

[0196]

As described above, according to the present invention, it is possible to easily create and change accompaniment patterns,
There is an effect that a variety of performances can be easily performed without storing a large amount of accompaniment patterns.

[Brief description of the drawings]

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

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

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

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

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

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

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

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

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

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

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

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

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

FIG. 14 is a diagram showing a timer interrupt process I 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 illustrating details of “pattern registration processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1;

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

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

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

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

FIG. 22 is a diagram illustrating an example of a modification condition table.

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

FIG. 24 is a diagram showing details of an adjective macro table and a macro assignment table.

25 is a diagram illustrating details of “macro switch-on processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1;

26 is a diagram showing a timer interrupt process II executed in response to 480 interrupts per quarter note, showing a portion related to the macro switch-on process of FIG. 25 which is processed in response to the operation of the macro switch. is there.

FIG. 27 is a diagram showing a data format of an adjective.

28 is a diagram illustrating details of “adjective data editing processing” in “other processing” in FIG. 8 performed by the CPU of the personal computer in FIG. 1.

[Explanation of symbols]

1 ... current pattern memory, 2 ... assign memory, 3
... Undo buffer, 4 ... Evacuation memory, 5 ... Database means, 6 ... Pattern selector, 61 ... Pattern selector, 62 ... Pattern registration means, 63 ... Pattern table, 7 ... Editing means, 8 ... Adjective indication means, 9 ... Transformer, 10 Undo means, 1F Electronic musical instrument, 11 Microprocessor unit (CPU), 1
2 ROM, 13 RAM, 14 key press detection circuit, 15
... Switch detection circuit, 16 ... Display circuit, 17 ... Sound source circuit, 18 ... Sound system, 19 ... Timer, 1A ... Keyboard, 1B ... Panel switch, 1C ... Display unit, 1D ... MI
DI interface, 1E ... bus, 20 ... personal computer,
21 ... microprocessor unit (CPU), 22 ...
ROM, 23 RAM, 24 hard disk device, 2
5 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-4-195198 (JP, A) JP-A-2-72394 (JP, A) JP-A-5-323396 (JP, A) JP-A-5-119773 (JP) JP-A-5-94190 (JP, A) JP-A-3-126999 (JP, A) JP-A-63-286883 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB G10H 1/36-1/42 G10H 1/00 101-102

Claims (9)

(57) [Claims] 1. At least a plurality of parts
An accompaniment pattern storage means for storing an accompaniment pattern consisting of the following events; a reading means for reading out the accompaniment pattern of each part from the accompaniment pattern storage means ; an adjective designating means for designating an adjective; According to the above
Event of the accompaniment pattern read by the reading means
Event that matches the specified condition
Detection template and the detection template
To make changes to events where a match is found
Or a change template indicating whether or not a specific one of the accompaniment patterns read by the reading means.
For the accompaniment pattern of the part,
Event that matches a predetermined condition based on the
Change the issued event based on the change template.
By doing so, the accompaniment pattern can be changed according to the specified adjective.
And deforming means for deforming a turn, the accompaniment pattern及read by the reading means
And the accompaniment pattern transformed by the transformation means
And an accompaniment sound generating means for generating an accompaniment sound . Wherein said deforming means, said comprising a plurality of setting means for setting whether to deformation for each part, the wake for Rupa over preparative been set to deform
2. The automatic accompaniment device according to claim 1, wherein the performance pattern is modified . 3. 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; an adjective designating means for designating an adjective; and the adjective designating means. Depending on the specified adjective,
Event of the accompaniment pattern read by the reading means
Event that matches the specified condition
Detection template and the detection template
To make changes to events where a match is found
And a predetermined template among the accompaniment patterns read out by the reading means.
For time range of some, based on the detection template
Event that matches the predetermined condition
Event based on the change template
It is a deformation means for deforming the該伴Kanade pattern, the accompaniment pattern及read by the reading means
And the accompaniment pattern transformed by the transformation means
And an accompaniment sound generating means for generating an accompaniment sound . 4. The accompaniment pattern is an accompaniment of a plurality of parts.
Pattern , and the deformation means is provided for each part.
The accompaniment pattern for each independently set time range
The automatic accompaniment device according to claim 3, wherein 5. An accompaniment pattern storing means for storing an accompaniment pattern composed of at least a plurality of events; a reading means for reading out an accompaniment pattern from the accompaniment pattern storing means; and a plurality of adjectives describing a manner of deformation of the accompaniment pattern.
An adjective specifying means for specifying in combination, and the adjective specified by the adjective specifying means ,
Event of the accompaniment pattern read by the reading means
Event that matches the specified condition
Detection template and the detection template
To make changes to events where a match is found
Using a modified template shown Luca, the accompaniment pattern read out by said reading means, said
Events that match the specified conditions based on the detection template
Event, and detects the detected event as the change template.
The adjective designation means,
The accompaniment pattern according to the specified combination of adjectives
And deforming means for deforming a turn, the accompaniment pattern及read by the reading means
And the accompaniment pattern transformed by the transformation means
And an accompaniment sound generating means for generating an accompaniment sound . 6. A method according to claim 1, wherein said plurality of adjectives are designated by a plurality of adjectives.
The combination of adjectives may include a plurality of adjectives that are to be subjected to a deformation process substantially simultaneously with the accompaniment pattern.
The automatic accompaniment device according to claim 5, wherein the automatic accompaniment device includes a combination of the following . 7. A method according to claim 7, wherein said plurality of adjectives are specified by said adjective specifying means.
The combination of adjectives differs from the accompaniment pattern
Plural adjective to allow performing sequentially deformed treated becomes time
6. The automatic accompaniment device according to claim 5, wherein a combination of words is included . 8. The method according to claim 8, wherein the adjective designating means includes a plurality of adjectives.
Storage means for storing a plurality of combinations
And the combination stored in the combination storage means.
At least one operator, one of which is arbitrarily assigned;
And assigned to the operator according to the operation of the operator.
Group consisting of multiple adjectives corresponding to the combination
Automatic accompaniment apparatus according to any one of claims 5 to 7 seen fit are specified. Accompaniment pattern storage means for storing 9. accompaniment patterns, and reading means for reading an accompaniment pattern from said accompaniment pattern storage means, and adjectives instruction means for instructing the adjective, correspond to adjectives indicated by the adjective instructing means I
To describe a plurality of deformation elements for deforming the accompaniment pattern.
Adjective data storage means for storing as adjective data , adjective providing means for selectively providing the adjective data , and each modification of the adjective data provided by the adjective data providing means
Deformation means for deforming the accompaniment pattern read by the reading means according to a predetermined algorithm corresponding to the element; and for adjective data stored in the adjective data storage means, the correspondence between adjectives and a plurality of deformation elements. An automatic accompaniment device comprising means for arbitrarily editing.