JP6782491B2 - Musical tone generator, musical tone generator and program - Google Patents

Description

The present invention relates to a musical tone generator, a musical tone generating method, and a program capable of producing a chord of a guitar with a simple operation.

As an electronic musical instrument imitating a conventional guitar, there is a game device capable of playing a guitar by operating a cross key and a touch sensor (see, for example, Patent Document 1).

There is also a portable device capable of playing a guitar by operating a touch sensor capable of detecting multiple points (see, for example, Patent Document 2).

JP-A-2007-206556

Japanese Unexamined Patent Publication No. 2013-19596

In the technique described in Patent Document 1, the chord to be sounded is selected by the cross key, and the touch sensor is slid to sound the selected chord, and the operator gazes at the device. It is possible to play while switching chords without switching chords, but in such an operation, there is an adverse effect that the number of chords that can be selected is very small.

On the other hand, in the technique described in Patent Document 2, the pitch of the chord to be pronounced and the chord type are each selected from a plurality of controls, and the two controls are operated at the same time. Many chords can be selected as the selection target, but in such an operation, when switching chords, the operator gazes at the device and selects the operator to be selected. You have to look for it, which has the negative effect of keeping an eye on the device.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a musical tone generator, a musical tone generating method, and a program capable of pronouncing many chords with a simple operation without gazing at the apparatus. It is said.

In order to achieve the above object, the musical sound generator of the present invention
A portable device equipped with a touch panel capable of multipoint detection is placed near the bases of each of the four fingers of the index finger, middle finger, medicine finger, and little finger of one palm so that the touch panel surface faces the fingertip side, and the touch panel is placed with the tip of the thumb. On the first operator group having a plurality of controls arranged at positions on the touch panel that are easy to operate by the four fingertips when holding them so as to be sandwiched between them, and on the touch panel that is easy to operate by the fingertips of the other hand. A second set of controls having at least one manipulator located at
A chord is selected according to the content indicated by the combination of the presence / absence of touch operation of the first operator group in response to the operation input to the first operator group, and the operation input to the second operator group is performed. When a slide operation input is detected in the controls of the second operator group, a sound control unit that identifies the sound data corresponding to the selected chord and instructs the sound unit to perform the sound.
It is characterized by having.

The musical sound generation method of the present invention
A portable device equipped with a touch panel capable of multipoint detection is placed near the bases of each of the four fingers of the index finger, middle finger, medicine finger, and little finger of one palm so that the touch panel surface faces the fingertip side, and the touch panel is placed with the tip of the thumb. On the first operator group having a plurality of controls arranged at positions on the touch panel that are easy to operate by the four fingertips when holding them so as to be sandwiched between them, and on the touch panel that is easy to operate by the fingertips of the other hand. A second set of controls having at least one manipulator located at
A chord is selected according to the content indicated by the combination of the presence / absence of touch operation of the first operator group in response to the operation input to the first operator group, and the operation input to the second operator group is performed. When a slide operation input is detected in the controls of the second operator group, the sound data corresponding to the selected chord is specified and the sounding unit is instructed to perform the sound.

The musical sound generation program of the present invention
A portable device equipped with a touch panel capable of multipoint detection is placed near the bases of each of the four fingers of the index finger, middle finger, medicine finger, and little finger of one palm so that the touch panel surface faces the fingertip side, and the touch panel is placed with the tip of the thumb. On the first operator group having a plurality of controls arranged at positions on the touch panel that are easy to operate by the four fingertips when holding them so as to be sandwiched between them, and on the touch panel that is easy to operate by the fingertips of the other hand. A second set of controls having at least one manipulator located at
A chord is selected according to the content indicated by the combination of the presence / absence of touch operation of the first operator group in response to the operation input to the first operator group, and the operation input to the second operator group is performed. When a slide operation input is detected in the controls of the second operator group, a sound control step that identifies the sound data corresponding to the selected chord and instructs the sounding unit to perform the sound.
Is characterized by having a computer execute the above.

In the present invention, many chords can be pronounced with a simple operation without gazing at the device.

FIG. 1 is a block diagram showing a configuration of a portable device according to an embodiment of the present invention. FIG. 2 is a diagram illustrating a basic chord selection table according to an embodiment of the present invention. FIG. 3 is a diagram illustrating a sound specifying table according to an embodiment of the present invention. FIG. 4 is a diagram illustrating how the operator holds the portable device according to the embodiment of the present invention. FIG. 5 is a diagram for explaining the display contents and the controls of the display screen from the viewpoint of the operator of the portable device according to the embodiment of the present invention. FIG. 6 is a block diagram illustrating a configuration for realizing the pronunciation instruction function according to the embodiment of the present invention.

<Embodiment>
FIG. 1 is a block diagram showing a configuration of a portable device 1 according to an embodiment of the present invention.
The portable device 1 which is an example of the music sound generator of the present invention is, for example, a smart device such as a smartphone or a tablet terminal, and an application program for reproducing a guitar as an electronic musical instrument is installed.
When this application program is executed, the portable device 1 functions as an electronic musical instrument that imitates a guitar, and when producing a sound that imitates the guitar, a configuration that realizes a pronunciation instruction function that produces a chord with a simple operation. Is included.
The details of the pronunciation instruction function will be described later.

[Constitution]
The processor unit 10 may be equipped with a single processor or may be equipped with a plurality of processors.
The storage unit 11 is a storage device including an internal storage device and a main memory. The internal storage device stores various programs executed by the processor unit 10 and various data used in the programs, for example, a basic chord selection table, a sound identification table, and sound data, which will be described later. The main memory temporarily stores computer programs and information.
The operation unit 12 is, for example, an input device for receiving an operation from an operator.
The display unit 13 is typically a liquid crystal display device.
In the process according to the present embodiment, a touch panel integrated with the liquid crystal screen is assumed as the operation unit 12 and the display unit 13.

FIG. 2 is a diagram of a basic chord selection table.
The basic chords here refer to 14 chords of major chords A, B, C, ..., G and minor chords Am, Bm, Cm, ... Gm.
The basic chord selection table shows the basic chords selected according to the contents indicated by the combination of the presence / absence of touch operation on the controls of the first operator group described later.

FIG. 3 is a diagram illustrating a sound identification table.
The sound identification table shows the basic chords, chord types, and the sounds of the constituent notes of the chords that are pronounced according to the string numbers.
Here, the chord types refer to three types: basic chords (major and minor), sevens (dominant sevens), and major sevens.

The operation unit 12 has a touch sensor or the like provided in the housing of the portable device 1 for detecting contact, and outputs operation data representing the operation content to the processor unit 10 by the operation of the user.
Further, the operation unit 12 is configured to output a plurality of contacted operation data even when the touch sensor is touched at a plurality of points at the same time, and multipoint detection is possible.

The display unit 13 is a display device such as a liquid crystal display that displays an image on a display screen 130 provided in a part area of the housing of the portable device 1.
The display unit 13 displays an image on the display screen 130 under the control of the processor unit 10.
The image displayed on the display screen 130 is an image (see FIG. 5) such as an operation screen of the application in addition to the menu screen and the setting screen.
In this example, the touch sensor of the operation unit 12 is provided on the surface portion of the display screen 130 and functions as a touch panel.

The sounding unit 14 generates an audio signal indicating the sound instructed by the sounding instruction unit 104 (see FIG. 6 described later) configured by the sounding instruction function realized by the processor unit 10, and outputs the generated audio signal to the audio output unit. Output to 141.
At this time, the output level of the audio signal may also be adjusted according to the instruction.

The audio output unit 141 has an amplification unit that amplifies the audio signal input from the sound generation unit 14, and a sound emitting unit such as a speaker that emits the amplified audio signal.
In this way, the sounding unit 14 and the voice output unit 141 function as sounding means for sounding the sound instructed by the sounding instruction unit 104.

The interface 15 has, for example, a connection terminal for wired connection to an external device, a wireless connection means for wireless connection, a communication means for connecting via a base station or a network, and the like, and transmits and receives various data to and from the connected external device.
The above is the description of the configuration of each part of the portable device 1.

[motion]
Next, a pronunciation instruction function when the processor unit 10 functions as an electronic musical instrument imitating a guitar by executing an application program will be described.
First, the processor unit 10 controls the display unit 13 to display an image as shown in FIG. 5 showing the strings and the operation markers indicating the arrangement of each finger on the display screen 130, and also on the touch sensor. Assign controls to each area.
First, how to hold the portable device 1 by the operator, and the display contents and the operator will be described.

FIG. 4 is a diagram illustrating how to hold the mobile device 1 by an operator.
The portable device 1 is placed near the bases of each of the four fingers of the index finger, middle finger, ring finger, and little finger of one palm so that the touch panel surface faces the fingertip side, and is sandwiched between the tip of the thumb and the other. The fingertips of the hand can be used to operate the end of the touch panel in the horizontal direction.

FIG. 5 is an explanatory diagram of the display content and the operator of the display screen 130 of the portable device 1 from the viewpoint of the operator.
As shown in FIG. 5, the display screen 130 displays strings, operation markers indicating the arrangement of each finger, and the like, but the broken lines, chain lines, and dotted lines are not actually displayed.
Each of the plurality of areas surrounded by the broken line, the chain line, and the dotted line is an area recognized by the processor unit 10 as an operator that accepts each operation regarding the operation on the touch sensor when displaying this image. Shown.
That is, the processor unit 10 assigns each operator to each area on the touch sensor.
Regarding this operator, the first controls 121-1, 121-2, ... 121-4 (when they are not distinguished, they are referred to as the first controls 121) surrounded by broken lines, and the alternate long and short dash line. The second operator 122 surrounded by, and the third operator 123-1, 123-2, ... 123-4 surrounded by the alternate long and short dash line (if they are not distinguished, the third operator) It is composed of (referred to as 123) and a fourth operator 124 surrounded by a dotted line.
In this way, the touch sensor functions as an operating means of the first operator 121, the second operator 122, the third operator 123, and the fourth operator 124 provided in each area.

Each of the first controls 121 is an operator that accepts an operation for designating a basic chord and a chord type, and is arranged horizontally adjacent to each other at the end in the vertical direction, and is one of the operators. Operation with four fingers (index finger, middle finger, ring finger, and little finger) of one hand is assumed.

The second operator 122 is an operator that accepts an operation for designating the sounding timing of each chord number by the stroke playing method, is arranged at the end in the horizontal direction, and is operated by the other one hand finger of the operator. Slide operation is expected.

Each of the third controls 123 is an operator that accepts an operation for designating the pronunciation timing of each chord number in the arpeggio playing method, and is the four fingers (thumb, index finger, middle finger, etc.) of the other hand of the operator. And tap operation with the ring finger) is assumed.

Each of the fourth controls 124 is an operator that accepts an operation for designating a chord type and resetting the area of each operator, and an operation with one hand is assumed.

As shown in FIG. 5, the display screen 130 displays strings, operation markers indicating the arrangement of each finger, and the like, so that the user can recognize the area on the touch panel corresponding to each operator. There is.

FIG. 6 is a block diagram illustrating a configuration for realizing the pronunciation instruction function.
As shown in FIG. 6, the configuration that realizes the sounding instruction function includes a touch operation specifying unit 101, an operator specifying unit 102, a performance operation specifying unit 103, and a sounding operation specifying unit 104.

The touch operation specifying unit 101 is based on the step of repeatedly acquiring the position information on the touch sensor indicated by the operation data output from the operation unit 12 at a predetermined frame rate and the predetermined number of the acquired touch position information. To execute a method including a step of determining a slide operation and a tap operation, and specify touch operation data including the presence / absence of a slide operation for each touch position, the slide start position, the slide direction, the slide speed, and the presence / absence of a tap operation. ..

The operator identification unit 102 was operated from the touch operation data among the above-mentioned operators (first operator 121, second operator 122, third operator 123, and fourth operator 124). Identify the operator. At this time, when the positions in the touch operation data are included in the plurality of operator areas, the plurality of controls are specified.

The performance operation specifying unit 103 specifies the operation related to the performance from the specified touch operation data and the operator.

When the specified operator is the first operator 121,
The basic chord to be played is selected by referring to the basic chord selection table according to the combination of the presence / absence of touch operation on each of the controls.
For example, when the first controls 121-1, 121-2, and 121-3 are operated respectively, and the first controls 121-4 are not operated, the basic chord selection table is referred to. The chord "C" will be selected.

Further, when the specified operator is the first operator 121,
When one operator is touch-operated and the touch position being touch-operated is not included in the fourth operator.
When the vertical distance from the end to the touch position is large compared to the vertical distance from the end where the first operator is placed to the center position of the fourth operator, "Seventh" is selected as the chord type. When the vertical distance from the end to the touch operation position is small compared to the vertical distance from the end where the first operator is placed to the center position of the fourth operator, the chord type is selected. "Major Seven" is selected
When a plurality of controls are touch-operated and the vertical distance between the two touch positions located at both ends in the horizontal direction among the touch positions being touch-operated is larger than a predetermined value.
Of the two touch positions, a touch position having a large vertical distance from the end where the first operator is arranged and a touch position having a large horizontal distance from the end where the second operator is arranged. When is the same, "Seventh" is selected as the chord type, and of the two touch positions, the touch position where the distance in the vertical direction from the end where the first operator is arranged is large and the second operator is arranged. When the horizontal distance from the end is the same as the touch position, "Major Seven" is selected as the chord type.

When the specified operator is the second operator 122,
Every time the vertical distance from the slide start position to the touch position in the operation data exceeds a multiple of a predetermined value (excluding 0), the slide direction of the operation data is the direction toward the end where the first operator is placed. In this case, the bass string of the selected chord (the string with the highest number among the strings that make up the chord) is ordered from the first string, or the slide direction of the operation data is the end where the first operator is placed. In the case of the direction opposite to the direction to, the sounding timing of the string number is specified in the order of the 1st string to the bass string.

When the specified operator is the third operator 123,
When a tap operation is detected in the touch operation data, the first string is the third operator 123-1, the second string is the third operator 123-2, the third string is the third operator 123-3, and the third string. The sounding timing of the bass string of the chord selected by the operator 123-4 is specified.

When the specified operator is the fourth operator 124,
When the number of touches to the fourth operator 124 in the touch operation data is four and the slide speed at each of the touch positions is smaller than a predetermined value, the horizontal region width of each of the first controls 121 is set to the touch. Of the positions, the two touch positions located at both ends in the horizontal direction are reset to one-third of the horizontal distance, and the center positions of the two controls located at both ends in the horizontal direction are set to the horizontal center positions of the two touch positions. The area position is reset according to each, and the area position of the two controls located in the center is reset so as to be adjacent to the inside of the reset operator. At this time, each operation is performed. The resetting of the child position is performed without changing the horizontal arrangement order of the controls.

When the performance timing is specified, the sounding instruction unit 104 refers to the sound specifying table stored in the storage unit 11 and specifies the sound to be sounded according to the performance operation data specified by the performance operation specifying unit 103. Then, the sounding unit 14 is instructed to pronounce the specified sound.

When the sounding unit 104 gives a sounding instruction to the sounding unit 14, an audio signal is generated from the sounding unit 14.
Then, when the audio signal is input from the sounding unit 14, the voice output unit 16 emits a sound according to the sounding instruction.

As described above, in the portable device 1 according to the embodiment of the present invention, when the operation input to the first operator among the operators assigned to each area on the touch sensor is detected, the contact state of each finger When a chord and a chord type corresponding to the above are selected and a slide operation input to the second operator or a tap operation input to the third operator is detected, a pronunciation instruction can be given to make the sound sound.

1 ... Portable device, 10 ... Processor unit, 101 ... Touch operation specific unit, 102 ... Operator identification unit, 103 ... Performance operation specific unit, 104 ... Sound instruction unit, 11 ... Storage unit, 12 ... Operation unit, 121 ... No. 1 operon, 122 ... 2nd operon, 123 ... 3rd operon, 124 ... 4th operon, 13 ... display unit, 130 ... display screen, 14 ... sounding unit, 140 ... sound source unit, 141 ... audio output unit , 15 ... Interface

Claims (5)

A portable device equipped with a touch panel capable of multipoint detection is placed near the bases of each of the four fingers of the index finger, middle finger, medicine finger, and little finger of one palm so that the touch panel surface faces the fingertip side, and the touch panel is placed with the tip of the thumb. On the first operator group having a plurality of controls arranged at positions on the touch panel that are easy to operate by the four fingertips when holding them so as to be sandwiched between them, and on the touch panel that is easy to operate by the fingertips of the other hand. A second set of controls having at least one manipulator located at
A chord is selected according to the content indicated by the combination of the presence / absence of touch operation of the first operator group in response to the operation input to the first operator group, and the operation input to the second operator group is performed. When a slide operation input is detected in the controls of the second operator group, a sound control unit that identifies the sound data corresponding to the selected chord and instructs the sound unit to perform the sound.
A musical sound generator characterized by being equipped with.
When four controls are arranged horizontally adjacent to each other at the vertical end of the first operator group on the touch panel.
The sound control unit further
One of the operators of the first operator group is touch-operated in response to the operation input to the operator of the first operator group, and in the vertical direction from the end to the touch position. When the distance is smaller or larger than a predetermined range, or when a plurality of operators among the operators of the first operator group are touch-operated and at both ends in the horizontal direction of the touch-operated touch positions. When the distance between the two located touch positions in the vertical direction is larger than a predetermined value, a predetermined chord type is selected, and when a slide operation input is detected in the controls of the second operator group, the selected chord type is selected. The music sound generator according to claim 1, wherein the sound data corresponding to the combination of the existing chord and the chord type is specified. When four controls are arranged horizontally adjacent to each other at the vertical end of the first operator group on the touch panel.
An operation area resetting unit for resetting the operator area of the first operator group according to the operation input is further provided.
When the number of touches to a predetermined area of the touch panel by the operation input is 4 and the slide speed at all the touch positions in the area is smaller than the predetermined value, the horizontal direction of each of the operators of the first operator group. The area width of is reset to one-third of the horizontal distance between the two touch positions located at both ends of the touch position in the horizontal direction, and the center positions of the two controls located at both ends in the horizontal direction. The area position is reset according to each of the two touch positions, and the area position of the two controls located in the center is reset so as to be adjacent to the inside of the reset operation. However, at this time, the music sound generator according to claim 1 or 2, wherein the resetting of each operator position is performed without changing the horizontal arrangement order of the operators. A portable device equipped with a touch panel capable of multipoint detection is placed near the bases of each of the four fingers of the index finger, middle finger, medicine finger, and little finger of one palm so that the touch panel surface faces the fingertip side, and the touch panel is placed with the tip of the thumb. On the first operator group having a plurality of controls arranged at positions on the touch panel that are easy to operate by the four fingertips when holding them so as to be sandwiched between them, and on the touch panel that is easy to operate by the fingertips of the other hand. A second set of controls having at least one manipulator located at
In response to the operation input to the first operator group, a chord is selected according to the content indicated by the combination of the presence / absence of the touch operation of the first operator group, and the operation input to the second operator group is performed. A method for generating a musical tone, which comprises identifying sound data corresponding to the selected chord and instructing a sounding unit to pronounce when a slide operation input is detected in the controls of the second operator group.
A portable device equipped with a touch panel capable of multipoint detection is placed near the bases of each of the four fingers of the index finger, middle finger, medicine finger, and little finger of one palm so that the touch panel surface faces the fingertip side, and the touch panel is placed with the tip of the thumb. On the first operator group having a plurality of controls arranged at positions on the touch panel that are easy to operate by the four fingertips when holding them so as to be sandwiched between them, and on the touch panel that is easy to operate by the fingertips of the other hand. A second set of controls having at least one manipulator located at
A chord is selected according to the content indicated by the combination of the presence / absence of touch operation of the first operator group in response to the operation input to the first operator group, and the operation input to the second operator group is performed. When a slide operation input is detected in the controls of the second operator group, a sound control step that identifies the sound data corresponding to the selected chord and instructs the sounding unit to perform the sound.
A musical tone generation program characterized by having a computer execute.