JPH10288989A - Electronic musical instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to easily obtain desired concerted music by providing the instrument with a single operating element which may be continuously operated and controlling the sound volumes of the respective parts or timbre according to the operation position of this operating element. SOLUTION: This electronic musical instrument has the single operating element which may be continuously operated and a control means, etc., for executing control in such a manner that the sound volume of the prescribed part produced by a musical tone forming means capable of simultaneously sounding the plural parts are changed and the sound volumes of the parts exclusive of the prescribed parts are not changed. Namely, the sound production of the melody part as melody tones and the four parts as accompaniment tones is made possible by using sound sources 22 according to the key touch of a keyboard 24. The respective sound volumes of the four parts of the accompaniment tones which may be simultaneously produced may be changed in real time according to the information on the change of the sound volume stored in a ROM 14 according to the operation position of the sound volume setting switches which constitute an operating element group 18 and may be continuously operated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an electronic musical instrument,
More particularly, the present invention relates to an electronic musical instrument capable of simultaneously producing a plurality of parts or tones.

[0002]

2. Description of the Related Art An electronic musical instrument capable of simultaneously producing a plurality of parts and a plurality of timbres has been known.

In such a conventional electronic musical instrument, it is necessary to individually adjust the volume of each tone in order to change the ensemble effect of music played with a plurality of tones.

[0004] Incidentally, such an adjustment of the volume is performed individually for each part in the case of an electronic musical instrument in which a tone is set for each part, and a plurality of tones are set in one part. If the electronic musical instrument is used, it is performed individually for each tone of each part.

However, in order to change the ensemble effect by individually adjusting the volume for each part or tone as described above, the ensemble is composed of a plurality of parts and tone colors, and each part or tone color is Knowledge of how it contributes to the overall sound of the song is required.

For this reason, in the conventional electronic musical instrument method of changing the ensemble effect by individually adjusting the volume for each part or tone as described above, although the difference in how the music is heard is understood, For beginners of electronic musical instruments with insufficient knowledge of timbre, there is a problem that it is difficult to obtain a desired ensemble effect.

[0007] Even if an electronic musical instrument is skilled, when the number of parts or tones increases, the volume of each part or tone can be adjusted on the spot while listening to music to achieve an ensemble effect. There was a problem that it was difficult to change.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned various problems of the prior art, and has as its object to provide a plurality of parts and a plurality of timbres. In an electronic musical instrument that can pronounce
An electronic musical instrument in which the volume of the plurality of parts and the timbre is continuously changed so as to be a predetermined volume by operating a single operation element, so that a desired ensemble effect can be easily obtained. Is what you do.

[0009]

In order to achieve the above object, the present invention provides an electronic musical instrument capable of producing a plurality of parts or tones by providing a single operator which can be operated continuously. The ensemble effect is changed by controlling the volume of each part or tone according to the operation position of the child.

That is, according to the first aspect of the present invention, there is provided a tone generating means capable of simultaneously producing a plurality of parts,
The volume of a predetermined part generated by the musical tone generating means is changed according to the single operation element that can be continuously operated and the operation position of the operation element, and the volume of parts other than the predetermined part is changed. And volume control means for controlling so as not to change.

Here, the volume control means decreases the number of parts whose volume is 0 as the operation position of the operation element moves from one side to the other, as in the second aspect of the present invention. Alternatively, the volume of each part may be changed so as to perform the operation.

The number of the above-mentioned parts may be three or more as in the third aspect of the present invention.

According to a fourth aspect of the present invention, there is provided a musical tone generating means capable of simultaneously producing a plurality of timbres, a single operator operable continuously, and an operation position of the operator. And a volume control means for controlling the volume of a predetermined tone generated by the musical tone generation means and controlling not to change the volume of a tone other than the predetermined tone. .

[0014] Here, the volume control means reduces the tone whose volume is 0 as the operation position of the operation element moves from one side to the other, as in the invention according to claim 5 of the present invention. The sound volume of each tone may be changed in such a manner as to perform the above.

[0015] In the present invention, the timbre is preferably a timbre.
As in the invention described in the above, there may be three or more.

Therefore, according to the first or fourth aspect of the present invention, the volume of a plurality of parts or timbres can be changed simultaneously by operating a continuously operable operation element. So, by appropriately selecting the way to change it, the way the ensemble is heard
(The higher the pitch, the brighter the ensemble becomes.) The more complex, the more complex the ensemble becomes.
(The ensemble becomes more lively as the number of notes increases.) It is possible to easily change the ensemble in real time in accordance with a sensible evaluation criterion such as, for example, and the player can easily obtain a desired ensemble effect. Become like

For example, as in the second or fifth aspect of the present invention, as the operating position of the operating element moves from one side to the other, a part or tone whose volume is 0 is reduced. If you change the volume of each part or tone, the number of sounds that are pronounced increases or decreases according to the operating position of the controls, so the `` complexity '' or `` buzziness '' of how the ensemble is heard Can be changed.
Further, as the operation position of the operation element moves from one side to the other side, the volume of each part or tone is changed so that the part or tone whose volume is 0 is decreased with respect to the part or tone whose range is high. In this case, since the number of high-pitched pitches to be generated is increased or decreased according to the operation position of the operation element, the "brightness" of how the ensemble is heard can be changed.

Further, in the present invention in which the volume of a plurality of parts and timbres is simultaneously controlled by a single operator to change the ensemble effect, as in the invention according to claim 3 or claim 6 of the present invention. In addition, when there are three or more parts and timbres, the operability becomes more prominent.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an electronic musical instrument according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a block diagram of an electronic musical instrument according to the present invention. This electronic musical instrument has an automatic accompaniment function, and uses a sound source 22 in response to a key depression of a keyboard 24 described later. "Melody part" as a melody sound
And four parts (“Rhythm
m) part "," bass part ",
"Accompaniment 1 (Accomp1) Part" and "Accompaniment 2
(Accomp2) .part "), and the volume of each of the four parts of the accompaniment tones that can be simultaneously generated is set to a continuously operable volume which constitutes an operator group 18 described later. In accordance with the operation position of the switch, it can be changed in real time in accordance with the volume change information stored in a read only memory (ROM) 14 described later.

Here, the electronic musical instrument is configured to control the entire operation thereof by using a central processing unit (CPU) 10. A read-only memory (ROM) 14 storing a predetermined program for controlling the sound, accompaniment pattern information, and volume change information indicating a volume change for each part constituting an accompaniment sound, which will be described later, and various buffers and flags. And the like, a random access memory (RAM) 16 as a working area in which an area such as an area is set, an operator group 18 composed of various operators described later, and a volume setting state of each part constituting an accompaniment sound. A display 20 for displaying, and waveforms corresponding to various timbres are stored and stored in the CPU 1.
A digital musical signal having a pitch designated by 0 is transmitted to each part (parts include a “melody part” as a melody part, a “rhythm (Rhythm) part” as an accompaniment part, and a “bass (Bass)”. )
Five parts, "part", "accompaniment 1 (Accomp1) .part", and "accompaniment 2 (Accomp2) .part" are set. ), A tone generator 22 which can be generated for each tone, and a key range divided into a melody key range and an accompaniment key range so that a player can play a melody in the melody key range and use the accompaniment key range for accompaniment. A keyboard 24 capable of playing chords is connected.

Further, a digital / analog converter (D / A converter) 26 for converting a digital tone signal generated by the tone source 22 into an analog tone signal is connected to the sound source 22, and the digital / analog converter 26 is connected to the digital / analog converter 26. An equalizer (E) for equalizing the analog tone signal converted by the digital / analog converter 26.
Q) 28 is connected, and an equalizer 28 is an amplifier (AMP) 3 for amplifying an equalized analog musical tone signal.
0 is connected to the amplifier 30, and a speaker 32 is connected to the amplifier 30 for emitting the analog musical tone signal amplified by the amplifier 30 as a musical tone that can be heard in space.

As the operators constituting the operator group 18, a tone selection switch for selecting the above-mentioned five parts tones generated using the sound source 22, and an accompaniment pattern of the automatic accompaniment are selected. Switch for selecting an accompaniment tempo for automatic accompaniment, and a total level (Part Level) mode and a part mute (Part Mute) mode as operation modes of the electronic musical instrument. A mode selection switch to be selected, a volume setting switch that can be operated continuously to set the volume, and the like are provided. A process for selecting the above-mentioned five parts tones generated using the sound source 22 by operating the tone selection switch, and a process for selecting an accompaniment pattern of automatic accompaniment by operating the accompaniment pattern selection switch. As for the processing for selecting the tempo of the automatic accompaniment by operating the tempo selection switch, a conventionally known technique can be used, so that the detailed description thereof will be omitted.

FIG. 2 shows, for the sake of easy understanding, an operation provided only with the mode selection switch and the volume setting switch, and the display 20, which are the operators in the group of operators 18 particularly related to the embodiment of the present invention. The configuration of the panel unit is shown.

In this operation panel section, a display 20
As the four parts ("Rhythm (R
7) L for each of the "(hythm) part", the "bass part", the "accompaniment 1 (Accomp1) part", and the "accompaniment 2 (Accomp2) part").
An ED is arranged to display the volume of each of these four parts.

As an operation element constituting the operation element group 18, the operation mode of the electronic musical instrument is moved to a total level (Total) by moving the operation element vertically in FIG.
Level mode and part mute (Part)
Mute) mode selection switch 1 for selecting the mode
8a (FIG. 2 shows a state in which the part mute mode is selected), and a slider 18b which is a volume setting switch that can be continuously operated to set the volume. .

Here, the above-mentioned mode selection switch 18
The total level mode selected by a
The overall volume after mixing the four parts (rhythm part, bass part, accompaniment 1 part, and accompaniment 2 part) constituting the accompaniment sound is represented by slider 1
This is a mode for adjusting according to the operation position 8b.

The part mute mode selected by the mode selection switch 18a means the volume of the four parts (rhythm part, bass part, accompaniment 1 part and accompaniment 2 part) constituting the accompaniment sound described above. Is a mode for adjusting each of the parts in accordance with the operation position of the slider 18b.

Then, as described above, the ROM 14 contains
As shown in FIG. 3, for each of the four parts (rhythm part, bass part, accompaniment 1 part and accompaniment 2 part) constituting the accompaniment sound, a volume indicating a volume change according to the operating position of the slider 18b. The change information is stored.

The operation of the electronic musical instrument in the above configuration will be described. First, when the electronic musical instrument is powered on, a main routine (not shown) is started, and initialization such as clearing of various buffers and flags is performed. After that, the electronic musical instrument is set to the total level mode in accordance with the operation corresponding to the operation of various operators constituting the operator group 18, for example, according to the operation of the mode selection switch 18a, or the part mute mode is set. Processing for setting the mode is performed.

This electronic musical instrument is the main instrument described above.
The routine is executed repeatedly at high speed.
By executing the timer interrupt routine (FIG. 4) started every millisecond, the sound volume is adjusted according to the operation position of the slider 18b.

In this electronic musical instrument, the keyboard 24
In response to a key depression in the melody key range, performance information on the melody part is output from the CPU 10 to the sound source 22,
The melody part controls the sound source 22 so as to generate a digital tone signal of a melody tone of the tone set by the melody part and the set tone, and also determines the type of chord from the key depression in the accompaniment key range of the keyboard 24. The R corresponding to the accompaniment pattern detected and operated by operating the accompaniment pattern selection switch
The accompaniment pattern information stored in the OM 14 is read, and a rhythm part, a bass part,
Performance information on the accompaniment 1 part and the accompaniment 2 part is output to the sound source 22, and the rhythm part, the bass part,
The sound source 22 is controlled so as to generate a digital musical tone signal of the accompaniment sound indicated by the accompaniment pattern by the accompaniment 1 part and the accompaniment 2 part. Therefore, detailed description thereof will be omitted.

When the timer interrupt routine shown in FIG. 4 is started, the operation position of the slider 18b is detected, and information indicating the operation position is converted from analog to digital and read into a predetermined area of the RAM 16 (step S402). ).

Then, it is determined whether or not the mode of the electronic musical instrument is the part mute mode (step S404).

If it is determined in step S404 that the mode of the electronic musical instrument is the part mute mode, the slider 18 stored in the RAM 16
The volume change information corresponding to the operation position b is read from the ROM 14, and the four parts (rhythm part, bass part, accompaniment 1 part, and accompaniment 2 part) constituting the above-described accompaniment sound indicate the volume change information. The sound source 22 is controlled so as to have a sound volume (step S406), and the process returns to the main routine.

Accordingly, in the examples shown in FIGS. 2 and 3, as the slider 18b is moved in the MAX direction (to the right in FIGS. 2 and 3), the volume of each part and the number of parts that are simultaneously sounded increase. Will be.

That is, only the operation of moving the slider 18b in the MAX direction (to the right in FIGS. 2 and 3) increases the volume of each part and the number of simultaneously sounding parts. “Complexity” can be made more complex, and “buzziness” can be made more lively.

On the other hand, only by moving the slider 18b in the MIN direction (to the left in FIGS. 2 and 3), the volume of each part and the number of simultaneously sounding parts are reduced. Complexity can be made simpler, and liveliness can be made quieter.

On the other hand, if it is determined in step S404 that the mode of the electronic musical instrument is not the part mute mode, that is, that the electronic musical instrument is in the total level mode, the four parts constituting the above-mentioned accompaniment sound ( Rhythm part, bass part, accompaniment 1 part and accompaniment 2
Part) is mixed in the RAM 16
The sound source 22 is controlled to have a volume corresponding to the operation position of the slider 18b stored in (step S408),
Return to the main routine.

Accordingly, in the example shown in FIG. 2, the more the slider 18b is moved in the MAX direction (to the right in FIGS. 2 and 3), the more the four parts (rhythm part, bass part) constituting the accompaniment sound described above. After mixing the part, the accompaniment 1 part and the accompaniment 2 part), the overall volume increases.

FIG. 5 is an explanatory diagram conceptually showing the processing in the part mute mode in step S406 and the processing in the total level mode in step S408. In the processing in the mode, the operation positions of the slider 18b stored in the RAM 16 read out from the ROM 16 are stored in the RAM 16 in which the respective volumes of the rhythm part, the bass part, the accompaniment 1 part, and the accompaniment 2 part constituting the accompaniment sound are recorded. , And does not control the overall volume of the four parts after mixing.

On the other hand, in the processing in the total level mode in step S406, the four parts constituting the accompaniment sound, that is, the rhythm part, the bass part,
The overall volume of the accompaniment 1 part and the accompaniment 2 part after mixing is controlled in accordance with the operation position of the slider 18b stored in the RAM 16, and the volume control of each of the four parts before mixing is performed. Not performed.

FIG. 6 shows another configuration of the operation panel section. In the operation panel section shown in FIG. 6, various operators are constituted by touch switches.

That is, in the operation panel section shown in FIG. 6, the entire operation panel section is constituted by an LCD display 40 having a built-in touch switch, and four parts constituting an accompaniment sound are provided in the LCD display 40. (Rhythm part, bass part, accompaniment 1 part and accompaniment 2 part)
The volume of the part is shown, the area 40b shows the volume of the bass part, the area 40c shows the volume of one accompaniment part, and the area 40d shows the volume of the two accompaniment parts. ) And an area 4 for displaying the overall volume of the four parts after mixing.
0e is provided.

Further, a touch switch corresponding to the slider 18b is built in the line segment area 40f located below the areas 40a to 40d, and the player can operate the line segment area 40f.
By pressing the upper part with a finger, the operation mode of the electronic musical instrument becomes the part mute mode, and the same processing as when the slider 18b is moved to a position corresponding to the position pressed with the finger is performed.

Further, the slider 18 is also provided in the area 40e.
When the player presses the area 40b with a finger, the operation mode of the electronic musical instrument changes to the total level mode, and a position corresponding to the position pressed by the finger is provided. The same processing as when the slider 18b is moved is performed.

In the electronic musical instrument having the operation panel section shown in FIG. 6, in addition to the above-described part mute mode and total level mode, areas 40a to 40a are provided.
The mode in which the volume of each part can be controlled by operating the touch sensors in the areas 40a to 40d is set such that the touch sensor for each of the four parts is built in the 40d. You may do so.

In the above-described embodiment, when the operation mode is changed, when the slider 18b is moved to the operation position before the change, the operation mode is switched so that the generated musical sound is generated. May be avoided.

In the above-described embodiment, the slider 18b and the touch sensor are shown as volume setting switches. However, the present invention is not limited to these, and a volume pedal, an encoder or an increment switch and a decrement switch may be used. It is a matter of course that an operator that can be operated continuously, such as an up / down switch, can be appropriately selected.

In the above embodiment, when the volume of each part is set to 0 in the part mute mode, the CPU 10 sends the sound to the sound source 22 at the 0 level.
It may not be necessary to output the performance information relating to the determined part. In this way, the processing load on the sound source 22 can be reduced.

Further, in the above-described embodiment, the electronic musical instrument in which a tone is set for each part has been described. Needless to say, the present invention can be applied to control the tone volume.
In this case, the "part" in the above-described embodiment may be replaced with a "tone".

[0052]

According to the present invention, as described above, in an electronic musical instrument capable of simultaneously producing a plurality of parts and a plurality of timbres, the plurality of parts and the plurality of parts can be simultaneously operated by operating a single operation element. This makes it possible to continuously change the volume of the timbre so as to be a predetermined volume, thereby achieving an excellent effect that a desired ensemble effect can be easily obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram of an electronic musical instrument according to the present invention.

FIG. 2 is an explanatory diagram illustrating a configuration of an operation panel unit.

FIG. 3 graphically shows volume change information according to a slider operation position for each of four parts (rhythm part, bass part, accompaniment 1 part, and accompaniment 2 part) constituting an accompaniment sound stored in a ROM. FIG.

FIG. 4 is a flowchart of a timer interrupt routine.

FIG. 5 is an explanatory diagram conceptually showing processing in a part mute mode and processing in a total level mode.

FIG. 6 is an explanatory diagram showing another configuration of the operation panel unit.

[Explanation of symbols]

 Reference Signs List 10 CPU 12 Bus 14 ROM 16 RAM 18 Operator group 18a Mode selection switch 18b Slider 20 Display 22 Sound source 24 Keyboard 26 Digital / Analog converter 28 Equalizer 30 Amplifier 32 Speaker

Claims (6)

[Claims] 1. A musical sound generating means capable of simultaneously producing a plurality of parts, a single operator which can be operated continuously, and a predetermined sound produced by the musical sound producing means in accordance with the operation position of the operator. An electronic musical instrument comprising: a volume control unit that controls a volume of a part other than the predetermined part and a volume of a part other than the predetermined part. 2. The electronic musical instrument according to claim 1, wherein the volume control unit controls the volume of each part so that the number of parts having a volume of 0 decreases as the operation position of the operation element moves from one to the other. An electronic musical instrument characterized by changing. 3. The electronic musical instrument according to claim 1, wherein the number of the parts is three or more. 4. A musical tone generating means capable of simultaneously producing a plurality of timbres; a single operator which can be continuously operated; and a predetermined tone produced by said musical tone generating means in accordance with an operation position of said operator. Change the tone volume of
An electronic musical instrument having volume control means for controlling so as not to change the volume of a tone other than the predetermined tone. 5. The electronic musical instrument according to claim 1, wherein the volume control unit controls the volume of each tone so that the volume of the tone is reduced to zero as the operation position of the operation element moves from one side to the other side. An electronic musical instrument characterized by changing. 6. The electronic musical instrument according to claim 1, wherein the number of the timbres is three or more.