JP2002108335A - Automatic accompaniment device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic accompaniment device which lightens the burden of operation on a user. SOLUTION: A playing state to be entered next is determined according to the playing state of a current automatic accompaniment and the operation state of an operating element.

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 for performing automatic accompaniment based on accompaniment data.

[0002]

2. Description of the Related Art Conventionally, an automatic accompaniment apparatus for performing automatic accompaniment based on accompaniment data has been known, and this automatic accompaniment apparatus usually includes, for example, a drum part, a bass part, and the like.
With multiple accompaniment parts and, for example, pops, rock,
Automatic accompaniment is performed with a desired accompaniment pattern selected from a plurality of accompaniment patterns suitable for a plurality of performance styles such as ballad and jazz.

Since the automatic accompaniment device is configured to perform various forms of automatic accompaniment, it is also provided with a large number of operators for selecting functions.

FIG. 12 shows an example of an operation panel of a conventional automatic accompaniment device.

[0005] The operation panel 200 includes a start switch / stop button 201 for instructing start / stop of automatic accompaniment, an intro / ending button 202 for playing an automatic accompaniment pattern with an intro / ending, and a file. A fill button 203a comprising a fill button 203a for giving a performance and shifting to a variation pattern and a fill button 203b for giving a fill performance and shifting to an original pattern, and a part selection for turning on / off the mute of each part of the accompaniment pattern. Various controls such as a button 204 and a style selection button 205 for selecting an accompaniment style are provided for each function. Also, here, a display screen 206 for displaying the operation state of various operators and the current state of the automatic accompaniment device is displayed.
Is also provided.

[0006]

However, if controls are provided for each function as described above, 1) many controls are required on the setting panel. There is a limit to providing an operator corresponding to each of the functions within a predetermined area, and the cost is high.

2) In order to properly use the function of each operator, it is necessary for the user to know what function each operator has. There is a problem.

The present invention has been made in view of the above circumstances, and has as its object to provide an automatic accompaniment apparatus in which a user's operation burden is reduced.

[0009]

A first automatic accompaniment apparatus of the present invention which achieves the above object is an automatic accompaniment apparatus for performing automatic accompaniment with a plurality of accompaniment parts. In response to the operation of one of the plurality of operators, the operated operator and the state of the automatic accompaniment at the timing when the operator is operated. And an accompaniment control unit that controls the mode of automatic accompaniment according to both.

Here, the "state of automatic accompaniment" indicates the performance state of each accompaniment part performing automatic accompaniment (during performance, stop of performance, mute).

"Controlling the automatic accompaniment mode" means changing the "automatic accompaniment state" and the performance mode (division) of each accompaniment part performing the automatic accompaniment. Note that the division is an embodiment described later.
Refers to the accompaniment part, intro pattern, fill pattern, and ending pattern of the accompaniment style.

A first automatic accompaniment device according to the present invention controls the next automatic accompaniment mode according to both the operation of a control by a user and the state of the automatic accompaniment at the timing of the operation. This eliminates the need for the user to consider the current state of the automatic accompaniment and operate accordingly, reducing the burden on the user and reducing the number of controls.

In this case, the operation of the operation element and the next mode of the automatic accompaniment are not one-to-one. However, if the display section for displaying the state of the automatic accompaniment of each of the plurality of accompaniment parts is provided, the state of the automatic accompaniment is provided. Confirmation becomes easy.

A second automatic accompaniment apparatus of the above-mentioned automatic accompaniment apparatus according to the present invention is an automatic accompaniment apparatus for performing automatic accompaniment according to an accompaniment pattern selected from a plurality of accompaniment patterns. A first operator indicating entry into an accompaniment pattern selection mode for selecting a desired accompaniment pattern from among them, and a plurality of accompaniment patterns after entering the accompaniment pattern selection mode by operating the first operator. A second operation element for selecting a desired accompaniment pattern in accordance with an operation; and a second operation element after entering the accompaniment pattern selection mode by operating the first operation element during automatic accompaniment using any of the accompaniment patterns. The operation of the second operation element is shifted to the performance of the fill pattern in response to the operation of the operation element of the second operation element. Characterized by comprising a accompaniment controller to shift the automatic accompaniment accompaniment pattern in accordance with the operation state of play at the end.

In the second automatic accompaniment apparatus of the present invention, a fill performance is performed in response to an operation of changing an accompaniment pattern during automatic accompaniment, and after completion of the fill performance, a transition is made to an accompaniment pattern corresponding to the operation state at that time. I do. Therefore, the user can freely change the accompaniment pattern according to the user's sensitivity without giving an instruction to insert a fill performance.

Here, in the second automatic accompaniment apparatus of the present invention, if the timing at which the accompaniment pattern is selected is before or before the last beat on the measure of the currently playing automatic accompaniment, the fill pattern is set at this timing. , And the fill pattern is played from the beginning of the next bar after or after the last beat.

[0017]

Embodiments of the present invention will be described below.

FIG. 1 is a functional block diagram of an electronic musical instrument including the functions of one embodiment of the automatic accompaniment apparatus of the present invention.

The electronic musical instrument 10 is provided with a CPU 11, which executes a control program read from a ROM to perform a control process when changing an accompaniment pattern shown in FIG. Control of the entire apparatus is performed.

The ROM 12 stores a control program processed by the CPU 11.

The RAM 13 stores parameters related to a control program processed by the CPU 11, stores external data supplied from an interface 15 described later, and stores data on a floppy disk (see FIG. This is a work memory for storing an accompaniment style (described later with reference to FIG. 4) read from an unillustrated accompaniment style.

Further, the floppy disk drive 14
This unit is for accessing a floppy disk (not shown) in which an accompaniment style is stored and reading an accompaniment pattern stored in the floppy disk.

The interface 15 is a unit for receiving MIDI data supplied from the outside or sending MIDI data to the outside.

The setting panel 16 is a unit in which operators for performing various settings for the electronic musical instrument 10 are arranged. Details will be described later.

The performance operator 17 is an operator for performing a performance operation by the user, and a signal corresponding to the performance operation is taken in the inside.

The sound source 18 is a unit for converting an accompaniment pattern or performance data obtained by a performance operation by the performance operator 17 into a tone signal. The tone signal generated by the sound source 18 is actually generated as a tone by the speaker 19.

FIG. 2 is a detailed view of the operation panel 16 shown by one block in FIG.

When a tone button 161 is pressed, a display screen 165 is displayed.
The tone number is displayed on the screen, and the tone number is selected by operating the Value button 163.

When the style selection button 162 is pressed, the style number is displayed on the display screen, the style number is changed by operating the value button 163, and the accompaniment pattern indicated by the changed style number is selected. .

The display screen 165 has, for example, 7 segments L
This is a display means using an ED or an LCD, on which a tone number, a style number, and the like are displayed.

The Value button 163 is used to input a tone number, a style number, etc., into + (Inc) buttons 163a,-(D
ec) This button is selected by the button 163b.

In this embodiment, the part selection button 164 comprises a Drum button 164a and a Bass button 164b. By operating the part selection button 164, the drum bar and the bass part constituting the accompaniment pattern of the selected style number are operated. Accompaniment control is performed. Each button 164a, 164b is a two-color LE
D164a 'and 164b'.
The light emission state of the color LED changes depending on the accompaniment state.

FIG. 3 is a flowchart of the operation detecting process executed by the CPU.

This processing detects the operation of the style selection button 162 and the part selection button 164. When the part selection button 164 is operated (step S301), an accompaniment control process described later with reference to FIG. 7 is performed (step S303), and the style selection button 16 is operated.
When 2 is operated (step S302), an accompaniment pattern selection process described later with reference to FIG. 6 is performed (step S304).

FIG. 4 is a diagram showing a data format of the accompaniment style.

Here, a plurality of accompaniment styles to which respective style numbers are assigned are shown. Each accompaniment style includes an accompaniment pattern, a fill pattern, an intro pattern, and an ending pattern. Of these, the accompaniment pattern is performance information composed of a drum part and a bass part, and the fill pattern is played when transitioning to an accompaniment pattern of a different style number. A typical or decorative one-measure performance pattern, and the intro pattern and ending pattern are performance patterns corresponding to the intro and ending of the accompaniment pattern, respectively.

FIG. 5 is an explanatory diagram showing the timing of switching accompaniment patterns, and FIG. 6 is a flowchart of the accompaniment pattern selection process executed in step S304 of FIG.

The accompaniment pattern selection processing shown in FIG.
Are executed when the style selection button 162 of the operation panel 16 shown in FIG.
When the execution of the accompaniment pattern selection processing is started, first, in step S601) the operation of the Value button 163 is monitored, and when the Value button 163 is operated, whether or not the automatic accompaniment is currently being played is determined. Is determined (step S602), and if a performance is being performed, the processing of steps S603 to S608 is performed. If not, a step S609 is performed.

When the performance is being performed, it is detected which beat on the measure of the automatic accompaniment currently being played corresponds to the timing at which the value button 163 is operated (step S6).
03), it is detected whether or not the detected beat is the last beat (that is, the fourth beat in the case of a song with four beats, the third beat in the case of a song with three beats, for example) (step S604). .
If the beat is before the last beat (that is, for example, if the song is a four-beat song, the beat is within the third beat, if the song is a three-beat song, the process proceeds to step S605). A performance disclosure from a portion corresponding to the detected beat is instructed.

FIG. 5 shows the timing of switching the accompaniment pattern at this time. Here, the Value button 163 (at the timing before the last beat of the third measure of the performance by the accompaniment pattern of style number 1 before reaching the final beat) is shown. Here, in response to the operation of the + (Inc) button 163a), a performance is performed from the middle of the third measure from the part corresponding to the middle of the fill pattern.

Returning to FIG. 6, the description will be continued.

If it is determined in step S604 that the beat detected is the last beat, the flow advances to step S606 to perform the performance according to the performance pattern of the style number that has been played so far, without changing the measure currently being played automatically. Then, the performance of the fill pattern is started from the beginning of the next bar.

When the fill performance is completed (step S60)
7), at the timing when the fill performance ends
By operating the value button 163, the accompaniment pattern corresponding to the operation state of the value button 163,
At the timing when the fill performance ends, the start of the performance of the accompaniment pattern of the selected style number is instructed (step S608).

On the other hand, if it is determined in step S602 that the automatic accompaniment performance is not currently being performed, the value button 1
The accompaniment pattern of the style number selected in 63 enters the playback standby state.

Next, the manner of reproducing the accompaniment pattern of the style number in the reproduction standby state will be described.

FIG. 7 is a diagram showing the contents of the accompaniment control process in step S303 of FIG.

In this embodiment, automatic accompaniment is performed by a drum part and a bass part. The left column of FIG. 7 shows the drum part (Drum) and the bass part (Bas).
s) are shown. In the center column, when the automatic accompaniment is in each of the states (A), (B), and (C) in the left column, the part selection button 164 shown in FIG. Of the Dru
The change of the state of the automatic accompaniment when the m button 164a is pressed is shown. The right column shows the state where the automatic accompaniment is in each state of (A), (B), and (C) in the left column. , Of the part selection buttons 164 shown in FIG.
The change of the state of the automatic accompaniment when 64b is pressed is shown.

The accompaniment control process of FIG. 7 complies with the following rules. Here, the priority order of the accompaniment parts is Drum> Ba
ss.

The performance is not started by the bass alone.

→ The performance is always started with the performance of the drum (Drum).

The performance of the drum (Drum) is not stopped except for the performance of the bass (Bass).

→ The performance of the drum (Drum) is always stopped with the stop of the performance of the bass (Bass).

It is possible that the performance of the bass is stopped while the performance of the drum is left.

→ The mute on / off of the base alone can be performed.

That is, when both parts of the drum (Drum) and the bass (Bass) shown in the column (A) of FIG. 7 are in the performance stopped state (this state is referred to as the state (A)). Similarly, when the Drum button 164a is pressed, the performance stop instruction of (A) is stopped and the performance start instruction is performed only by the Drum part because the Drum button 164a is pressed. The bass part is muted and the Dru
When the intro performance is performed by only the m part, and the intro performance is completed, the state shown in FIG.
Automatic accompaniment performance of the accompaniment pattern by Drum is performed while ss is muted.

On the other hand, when the Bass button 164b is pressed in the state of (A), both the Drum part and the Bass part are displayed because the performance of (A) is stopped and the Bass button 164b is pressed. Is performed, the intro performance is performed by both the Drum part and the Bass part, and after the intro performance is completed, the state of (C), that is, both the Drum part and the Bass part are performed. , An automatic accompaniment performance of the accompaniment pattern is performed.

In the state (B) in which the accompaniment pattern is performed only by the Drum part,
When the Drum button 164a is pressed, it is regarded that the end of the automatic accompaniment performance has been instructed from the state of (B) and the pressing of the Drum button 164a.
The ending performance by the drum part is performed while the ass part is muted, and thereafter, the state shifts to the performance stop state of (A).

When the Bass button 164b is pressed in the state (B), the state (B), that is, Bas, is pressed.
Bass button 164 with s part muted
Since “b” is pressed, the process shifts to the performance of the accompaniment pattern by both Drum and Bass in (C).

During the performance of the accompaniment pattern by both Drum and Bass (C), the Drum button 164 is displayed.
When a is pressed, the Drum button is pressed in the state of (C), it is considered that the stop of the performance has been instructed, and the ending performance by both Drum and Bass is performed, and the ending performance is performed. When finished,
The state shifts to the performance stop state of (A).

Further, during the performance of the accompaniment pattern by both Drum and Bass in FIG.
When b is pressed, the Bass button is pressed in the state of (C), it is regarded that the mute of the Bass part has been instructed, and the process shifts to the performance of the accompaniment pattern by only Drum in (B).

As described above, in the present embodiment, in the accompaniment control processing of step S303 in FIG. 3, the mode of the automatic accompaniment is controlled assuming that the priority of the accompaniment part is higher in Drum than in Bass.

Next, the Drum button 164a and the Bas button constituting the part selection button 164 in this embodiment are
Each two-color LED 1 provided on the s button 164b
The control mode of 64a ', 164b' will be described.

FIG. 8 is a diagram showing the correspondence between the light emission state of the two-color LED and the performance state of the part at that time.

The two-color LED lights red and green independently.
It can be turned off, and if both red and green are turned on similarly, it will appear to be lit in orange.

When the two-color LED is turned off, it indicates that the performance is stopped, and the lighting in red indicates the intro,
The ending or the playing state of the fill described with reference to FIGS. 5 and 6 is indicated.
This indicates that the accompaniment pattern is being repeatedly played, and the lighting of orange (simultaneous lighting of red and green) indicates that the performance of that part is muted.

FIG. 9 is a diagram showing the on / off state of the two-color LED whose on / off is controlled as shown in FIG. 8 when the playing state is controlled as shown in FIG. .

Although the same description as in FIG. 7 will not be repeated,
In the state of (A), the two-color LE of the Drum button 164a
D164a '(hereinafter referred to as Drum LED),
Both of the two-color LED 164b 'of the Bass button 164b (hereinafter, referred to as "Bass LED") are in the off state, and in the state of (B), the Drum LED lights up in green and the Bass LED lights up in orange, In the state of (C), Drum LED and Bass
Both the LED and the LED are lit in green.

When the Drum button 164a is pressed in the state shown in FIG.
s After the LED lights up in orange, the state shifts to the state of (B).
When 64b is pressed, the Drum LED and the Bass L
After both the ED and the ED light up in red, the state shifts to the state of (C).

When the Drum button 164a is pressed in the state shown in FIG.
After the ss LED lights up in orange, the state shifts to the state of (A).
When the button 4b is pressed, the state directly shifts from the state (B) to the state (C).

Further, when in the state of (C), Dr
When the um button 164a is pressed, both the Drum LED and the Bass LED light up in red, and then the state shifts to the state (A).
When the ss button 164b is pressed, the state directly transitions from the state (C) to the state (B).

FIG. 10 is a diagram showing another accompaniment control process executed in step S303 of FIG. The accompaniment process shown in FIG. 10 is a process that can be adopted instead of the accompaniment control process shown in FIG.

The difference between the accompaniment process shown in FIG. 10 and the accompaniment control process shown in FIG. 7 is the state of FIG.
In the process when the Bass button is pressed in the state of (C).

In the case of the processing shown in FIG. 7, when the Bass button 164b is pressed in the state of FIG.
State, and in the state of (C), the Bass button 164
When “b” is pressed, the state directly shifts to the state of FIG.
In the case of the processing shown in FIG. 0, when the Bass button 164b is pressed in the state of FIG.
The fill performance by both the rum and the bass is performed, and thereafter, the state shifts to the state (C) or the state (B), respectively.

Instead of the direct transition between the state (B) and the state (C), the transition may be made with a fill performance in between.

FIG. 11 is a diagram showing a further different accompaniment control process executed in step 303 of FIG. FIG.
Instead of the accompaniment control processing shown in FIG. 10, the accompaniment control processing shown in FIG. 11 may be employed.

Here, accompaniment control based on the following control rules is performed.

When the bass performance is turned on / off, it is interpreted as the entire accompaniment on / off, and the intro /
Adds ending to control overall accompaniment.

When the on / off of the performance of Drum occurs, whether the operation is a simple mute on / off operation or a single drum with intro / ending added, depending on whether or not Bass is being played. Control.

That is, Drum and Bass in (A)
If the Drum button is pressed while both of them are in the performance stop state, Bass is muted and an intro performance only by Drum is performed. Thereafter, Bas in FIG.
s is in a state of playing the accompaniment pattern only by Drum while being muted. On the other hand, when the Bass button is pressed in the state of FIG.
After the intro performance by both of them, (D)
The state shifts to the performance state of the accompaniment pattern by both Drum and Bass.

In the state (C) in which the bass is muted and the accompaniment pattern is played only by the drum,
When the rum button is pressed, the ending performance by only Drum is performed while Bass is muted, and thereafter, the state shifts to the performance stop state of (A).

On the other hand, when the Bass button is pressed in the state (B), the state (B) is directly changed from the state (B).
The state transitions to the performance state of the accompaniment pattern by both Drum and Bass.

Also, the Drum in (C) is muted and B
in the performance state of the accompaniment pattern by only
When the um button is pressed, the state of (C) is directly changed to (D).
To the performance state of the accompaniment pattern by both Drum and Bass. On the other hand, in the state of FIG.
When the ss button is pressed, the ending performance of only Bass is performed while the drum is muted, and thereafter, the state shifts to the performance stop state of (A).

Further, in the performance state of the accompaniment pattern by both Drum and Bass shown in FIG.
When the m button is pressed, from this state (D),
(C), the drum is muted, and the state shifts to the performance state of the accompaniment pattern using only Bass. On the other hand, when the Bass button is pressed in the state of (D), Drum and Ba are played.
After the ending performance by both ss and
The state shifts to the performance stop state of (A).

In the accompaniment control process of step S303 in FIG. 3, such accompaniment control may be performed.

In this embodiment, as shown in FIG.
Each accompaniment style consists of an accompaniment pattern, a fill pattern, an intro pattern, and an ending pattern, and each accompaniment style is associated with a style number. You may use a common style.

Also, instead of having one fill pattern for each accompaniment style, two fill patterns corresponding to the accompaniment patterns of style numbers before and after the style number currently being played are used.
It may have two fill patterns.

The fill pattern may be like a count sound indicating that the accompaniment pattern has been changed.

The means for reading the accompaniment style shown in FIG. 4 is not limited to a floppy disk drive, but may be any drive unit for reading data from a removable storage medium. For example, CD-ROM, Sma
An accompaniment style may be stored in rt-Media or the like, and the electronic musical instrument may include means for reading data therefrom.

Alternatively, the accompaniment style is not to read data from a removable recording medium, but to use a ROM
And the accompaniment style may be stored in the ROM in advance. Alternatively, the accompaniment style may be stored in the ROM in advance, and the accompaniment style may be read from a removable recording medium.

In this embodiment, the accompaniment pattern is
It consisted of a drum part and a bass part,
It is not limited to this.

In this embodiment, the accompaniment pattern is
In the example shown in FIG. 7, the priority order of the accompaniment pattern is fixed to Drum>
Although the setting is Bass, the present invention is not limited to this, and an operator for setting priority may be provided on the setting panel so that a desired priority can be determined.

Further, in this embodiment, the state of the automatic accompaniment can be recognized by the light emitting state of the LED of the part selection button. For example, information indicating the accompaniment state is displayed on the display screen of the LCD. Is also good.

[0093]

As described above, according to the present invention, an automatic accompaniment apparatus in which the user's operation load is reduced is realized.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of an electronic musical instrument including functions of an embodiment of an automatic accompaniment device of the present invention.

FIG. 2 is a detailed view of an operation panel indicated by one block in FIG.

FIG. 3 is a flowchart of an operation detection process executed by a CPU.

FIG. 4 is a diagram showing a data format of an accompaniment style.

FIG. 5 is an explanatory diagram showing switching timing of accompaniment patterns.

FIG. 6 is a flowchart of an accompaniment pattern selection process.

FIG. 7 is a diagram showing the contents of an accompaniment control process.

FIG. 8 is a diagram showing a correspondence relationship between a light emission state of a two-color LED and a performance state of the part at that time.

FIG. 9 is a diagram showing the on / off state of the two-color LED whose on / off is controlled as shown in FIG. 8 when the playing state is controlled as shown in FIG.

FIG. 10 is a diagram showing another accompaniment control process.

FIG. 11 is a diagram showing still another accompaniment control process.

FIG. 12 is a diagram showing an example of an operation panel of a conventional automatic accompaniment device.

[Explanation of symbols]

 Reference Signs List 10 electronic musical instrument 11 CPU 12 ROM 13 RAM 14 roppy disk drive 15 interface 16 operation panel 17 performance operator 18 sound source 19 speaker 161 sound selection button 162 style selection button 163 Value button 163a + (Inc) button 163b-(Dec) button 164 Part selection button 164a Drum button 164b Bass button 164a ', 164b' 2-color LED

Claims (2)

[Claims] 1. An automatic accompaniment apparatus for performing automatic accompaniment with a plurality of accompaniment parts, comprising: a plurality of operators corresponding to the plurality of accompaniment parts; and an operation of one of the plurality of operators. Automatic accompaniment, comprising: an accompaniment control unit that controls the mode of the automatic accompaniment in response to both the operated operator and the state of the automatic accompaniment at the timing when the operator is operated apparatus. 2. An automatic accompaniment apparatus for performing automatic accompaniment with an accompaniment pattern selected from a plurality of accompaniment patterns, wherein an instruction is made to enter an accompaniment pattern selection mode for selecting a desired accompaniment pattern from the plurality of accompaniment patterns. First
And a second operator for selecting a desired accompaniment pattern from a plurality of accompaniment patterns according to the operation after entering the accompaniment pattern selection mode by operating the first operator. During the automatic accompaniment of the accompaniment pattern, the operation of the second operation element after entering the accompaniment pattern selection mode by the operation of the first operation element is shifted to the performance of the fill pattern. After the performance,
An automatic accompaniment device, comprising: an accompaniment control unit that causes a transition to an automatic accompaniment using an accompaniment pattern according to an operation state of the second operation element at the end of the performance of the fill pattern.