JP2530892B2 - Keyboard type electronic musical instrument - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is intended to improve various electronic musical instruments including an electronic organ, an electronic piano, and other musical scale keys and a keyboard composed of operating elements such as a tablet and a slide switch. In particular, it is configured so that a scale key that is not used during the performance of a particular "keyword" song can function as an operator that can generate a musical tone to which a preset type of effect is added. By doing so, it is possible to easily add additional functions even for inexpensive electronic musical instruments with relatively few types of operating elements, enable effective use of the keyboard surface and downsizing, and at the same time, increase the functions. Also, the present invention relates to a keyboard-type electronic musical instrument with improved operability during performance.

[Prior Art] An electronic musical instrument such as an electronic organ having a keyboard composed of a scale key and an operator such as a tablet and a slide switch has a scale key of several octaves (hereinafter, simply referred to as a key).

FIG. 3 is a diagram showing an example of a keyboard surface of a conventional keyboard-type electronic musical instrument. In the drawing, 11 is a keyboard, 12
Is a tablet group, 13 is a switch group, and 14 is a volume adjusting slide switch.

As shown in the top view of FIG. 3, a conventional keyboard-type electronic musical instrument, such as an electronic organ, has a keyboard 11 made up of 49 or 61 keys, and a tablet group 12 for controlling the volume and tone color. A power switch, a switch group 13 for switching rhythms such as tango and blues, and a volume adjusting slide switch 14 are provided.

However, a relatively low-priced electronic musical instrument does not have a tablet for controlling volume, tone color, or the like, nor a touch detection device for obtaining key pressing speed information given by these tablets.

Therefore, in the case of such a keyboard type electronic musical instrument,
The number of songs that can be played is also limited, and as a result, the user cannot be satisfied.

However, the type of key to be used for an ordinary musical piece is determined by its “key”, and there is an unused key in the performance, except for a special musical piece.

[Problems to be Solved by the Invention]

According to the present invention, the above-mentioned inconveniences that occur in the conventional relatively low-priced keyboard-type electronic musical instrument, that is, the tablet for controlling the volume, the timbre, and the like, and the touch detection device for obtaining the key pressing speed information given by these tablets As a result, the number of songs that can be played is limited, and as a result, the inconvenience that the user is not satisfied can be solved, and many functions can be added by providing only a few controls. It is an object of the present invention to provide a keyboard type electronic musical instrument that enables various musical compositions to be performed.

[Means for solving the problem]

According to the present invention, in a keyboard type electronic musical instrument equipped with a plurality of scale keys and operating elements such as a tablet, a scale key diversion function key for setting a scale key diversion mode and a musical piece to be played in the scale key diversion mode are suitable. Key setting means for setting a key and, in the scale key diversion mode, for a specific key of the scale keys that is set according to the key set by the key setting means, generates a scale sound in response to a key pressing operation of the specific key. A scale key switching means for invalidating and designating at least one of a plurality of effects prepared in advance is provided, and when a music is played, a key pressing operation other than the specific key is performed. It is configured to add the effect designated by the scale key switching means to the musical sound generated by.

[Operation] According to the present invention, the type of key to be used for an ordinary music piece is determined by its “key”, and there is an unused key in the performance except for a special music piece. Focusing on the points, by diverting unused keys to the controls according to the "key" to be played, it is possible to add many functions with only a few controls and to add a variety of songs. I can play.

Specifically, in consideration of the peculiarity of the "key" in music performance, the feature is that the pronunciation of the unused key according to the key is disabled and the key is effectively used as an effect-adding key. .

〔Example〕

Next, an embodiment of the keyboard-type electronic musical instrument of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a functional block diagram showing an embodiment of the main configuration of the keyboard electronic musical instrument of the present invention. In the drawing, 1 is a key, 2 is a scale key switching means, 3 is a key setting means, 4 is a scale key function key, 5 is a tablet, 6 is a tone color control section, 7 is a pitch control section, 8 is a CPU, 9 is a A sound source circuit, 10 is a D / A converter, and 11 is an audio system.

In the keyboard type electronic musical instrument of the present invention shown in FIG. 1,
It is characterized in that it is provided with a scale switching means 2, a key setting means 3 and a scale key diversion function key 4, and other configurations are basically the same as those of a conventional keyboard type electronic musical instrument. is there.

The operation method and the operation of the keyboard-type electronic musical instrument shown in FIG. 1 at the time of playing will be described in detail with reference to the flow shown in FIG.

As described above, the key to be used is determined by the “key” of the normal musical composition, and there is a key that is not used in the performance, except for a special musical composition.

Therefore, the “key” of the song you are about to play
By inputting, it becomes possible to use the unused key as an operator.

Examples of types of operators (types of effects) include tone tablets, portamento effect (frequency control), pitch vent effect (frequency control), vibrato effect (frequency control), waff effect (frequency characteristic control). I do.

FIG. 2 is a flow chart showing the flow of processing in the case of diverting a specific type of key to an operator in the keyboard type electronic musical instrument of the present invention shown in FIG. In the drawing,
S1 to S7 indicate steps.

In the electronic musical instrument shown in FIG. 1, when the music key diversion function key 4 is pressed, that effect is detected in step S1. In this state, it becomes the scale key diversion mode, and the key of the scale that is not used in the music to be played next (unused key)
Press.

In step S2, it is determined which “key” has been set by the input of this unused key.

When the setting of the "key" is completed, it is instructed which kind of operator the unused key is to be diverted to. The key 1 is also used to instruct the type of the operator. In this case, it is determined in advance which scale key indicates which effect.

For example, scale C is a tone tablet, scale D is a portamento effect, scale E is a pitch bent effect, scale F is a vibrato effect, and scale G is a waff effect. Instruct.

In step S3, the type of effect is input by such an operation.

On the other hand, when the scale key diversion function key 4 is not pressed, the fact is detected in step S1,
In S4, it is determined whether or not the key has been pressed.

If the input is a key depression, it is determined in step S5 whether or not the effect key (operator) is input. If the effect key is input, the process proceeds to step S6 to generate the instructed effect. I do.

If the result of determination in step S5 is that no effect key has been input, processing proceeds to step S7, and processing is performed so as to generate a musical tone of the scale corresponding to the key depression.

Thus, in the keyboard-type electronic musical instrument of the present invention,
By using the scale key not used by, it can be diverted to a manipulator that gives a desired effect.

For example, in the "C major", the keys A # _{6 to} A # ₂ are not used. Therefore, in the keyboard type electronic musical instrument of the present invention shown in FIG. 1, the key A # _{6 to} A # ₂ is operated by the operation shown in FIG. # ₆
~ A # ₂ is diverted to an operator for instructing a vibrato effect, a tone tablet, a portamento effect, a pitch vent effect and the like.

Further, in the case of a model having no touch detection device, it can be diverted to an operator for inputting information for controlling the volume and tone color, that is, key pressing speed information.

In this case, by turning on the keys assigned to these operating elements by, for example, a light emitting diode or the like,
It is also possible to learn the key sequence corresponding to the “key”.

In addition, in the above-mentioned embodiment, the case where a specific type of key, for example, the keys A # _{6 to} A # ₂ are used as respective different types of operators has been described. That is, the key A # ₆ has a vibrato effect, and the key A # ₅ has a key A # ₆ like a tone tablet.
The description is centered on the case where different effects are imparted to each scale of A # ₂ .

However, each of the keys A # _{6 to} A # ₂ is not always
It is not necessary to have the function of imparting different effects,
It is also possible to use all the keys A # _{6 to} A # ₂ as operators that give the same effect such as a vibrato effect, and the keyboard-type electronic musical instrument of the present invention includes these cases as well. It goes without saying that it is a thing.

Further, the keyboard-type electronic musical instrument of the present invention can be provided with the detailed function thereof together with the original operator. In this case, the performer can easily touch the key while playing the musical piece. Can be used, so it becomes possible to enjoy while playing.

〔The invention's effect〕

According to the keyboard-type electronic musical instrument of the present invention, many functions can be added to an electronic musical instrument such as a tablet having a small number of operators and limited in additional functions, and a variety of performances can be performed. Become.

Further, in the case of a conventional keyboard-type electronic musical instrument having a large number of tablets and the like, the scale keys can also be used as the operating elements, so that the total number of operating elements can be reduced, so that the size can be reduced. Many excellent effects can be obtained.

[Brief description of drawings]

FIG. 1 is a functional block diagram showing an embodiment of the main configuration of the keyboard electronic musical instrument of the present invention, and FIG. 2 shows a specific example of the keyboard electronic musical instrument of the present invention shown in FIG. FIG. 3 is a flow chart showing the flow of processing when a type of key is diverted to an operator, and FIG. 3 is a diagram showing an example of the keyboard surface of a conventional keyboard-type electronic musical instrument. In the drawings, 1 is a key, 2 is a scale key switching means, 3 is a key setting means, 4 is a scale key diversion function key, 5 is a tablet,
6 is a tone color control unit, 7 is a pitch control unit, 8 is a CPU, 9 is a sound source circuit, 10 is a D / A converter, and 11 is an audio system.

Claims (1)

(57) [Claims] 1. A keyboard-type electronic musical instrument having a plurality of scale keys and operating elements such as a tablet, and a scale key diversion function key for setting a scale key diversion mode and a musical piece to be played in the scale key diversion mode. Key setting means for setting a key, and, in the scale key diversion mode, for a specific key of the scale keys that is determined according to the key set by the key setting means, a scale sound for a key depression operation of the specific key. And a scale key switching unit for designating at least one addition among a plurality of effects prepared in advance, and a specific key is depressed by pressing the specific key when playing music. A keyboard-type electronic musical instrument characterized by imparting the effect designated by the scale key switching means to a musical sound generated by a key depression operation other than the above.