JP2008268510A - Operation panel and sound generation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily play a chord, even in a stage before acquisition of a playing technique. <P>SOLUTION: Buttons for generating sound are not arranged for every halftone, but arranged in an optimal position for chord structure, for example, of five degrees, three degrees and six degrees. Even when plurality of adjoining buttons are randomly operated, probability that the chord generally used is generated, is raised, and even in the stage before a person, particularly an infant, acquires the playing technique, the chord is easily played. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an operation panel and a sound generator for generating sound.

  On instruments such as pianos, handles, buttons, and treads are arranged in order of pitch. For example, as shown in FIGS. 10 (a) and 10 (b), in a keyboard instrument such as a piano, buttons are arranged in the order of the pitch of semitones. Here, as described in Non-Patent Document 1, the pitch of each semitone is a combination in which the ratio of the frequency of the pitch is a simple integer ratio. , Mi b, Mi, Fa, Fa #, Seo, Lab, Shib, Shi, or C, Db, D, Eb, E, F, F #, G, Ab, as shown in FIG. It is expressed by notation such as A, Bb, and B, and is repeated every octave (referred to as “chroma circle”). In addition, the sound that multiple different sounds resonate at the same time is called a chord, and it is an important element of music composition from classical Western music to modern music. A chord can be played by simultaneously producing a plurality of sounds with the above-mentioned musical instrument.

http://homepage3.nifty.com/iromono/kougi/ningen/node16.html (Definition of Doremifasolaside)

  However, in the above-described conventional musical instrument, it is necessary to learn a technique for playing chords. In particular, even if, for example, a suitable number of keys on a piano keyboard are played before learning, the probability that a generally used beautiful chord (consonance) will be pronounced is extremely low. This is because the sounds of adjacent keyboards are semitones, but the relationship between the sounds that make up the chords that are generally used is often 5 or 3 degrees apart. Because it is.

  It is an object of the present invention to provide a keyboard and a sound generator that have a high probability that a consonant sound is produced when a plurality of adjacent buttons are operated.

  The present invention provides an apparatus for generating sound by pressing a button, including an operation panel in which adjacent buttons are optimally arranged for a chord configuration such as fifth, third, and sixth, and a plurality of adjacent buttons are provided. By operating, the probability that a commonly used chord is generated is increased.

  It is possible to increase the probability that commonly used chords will be sounded by operating a number of buttons adjacent to each other, especially in the stage before learning to play musical instruments such as infants. It becomes possible to perform.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic diagram showing a configuration example of a sound generator according to the present invention. The operation panel 101 is provided with a button 102 for generating sound. The arrangement of the buttons will be described later with reference to FIG. A control unit 103 having a power supply unit 104 and a speaker 105 is connected to the operation panel 101. The control unit 103 is driven by power supplied from the power supply unit 104, and a sound signal output from the control unit 103 is received. Output from the speaker 105. In the control unit 103, the input sound determination unit 106 receives a signal from the operation panel 101, selects a sound signal corresponding to the button 102 pressed from the waveform sample storage unit 107, and is audible by the amplification unit 108 After being amplified to the volume, it is output to the speaker 105. Here, the sound signals stored in the waveform sample storage unit 107 include the above-described C, C #, D, D #, E, F, F #, G, G #, A, A #, and B. It is a signal having a frequency of semitones.

  Next, an example of the arrangement pattern of the buttons 102 on the operation panel 101 of the sound generator of the present invention will be described with reference to FIG. FIG. 2 (a) is a permutation of sounds called a fifth degree circle with respect to the chroma circle in FIG. 10 (c), and the relationship between adjacent sounds is a perfect fifth degree. Perfect fifth is a relationship in which the sound frequency ratio is 2: 3. In this example, as shown in FIG. 2 (c), three-stage button rows 110, 111, 112 are prepared in which sound buttons are arranged so that the relationship between adjacent sounds in the horizontal direction is completely five degrees. . The second row of buttons 111 is arranged below the first row of buttons 110, and the third row of buttons 112 is arranged below the second row of buttons 111. At this time, the second row of button rows 111 is positioned in the first row so that the buttons of the second row of button rows 111 are positioned below the middle of two adjacent buttons in the first row of button rows 110. The button row 110 is arranged so as to be shifted laterally by a distance that is half the button interval in the row. In addition, the sound of the button in the second row of buttons 111 located at the lower right of the sound represented by an arbitrary button in the first row of buttons 110 is arranged in a third degree relationship. . In the third row of buttons 112, the relationship of the third row of buttons 112 to the second row of buttons 111 is the same as the relationship of the second row of buttons 111 to the first row of buttons 110. To place.

  When an operation panel in which buttons representing sounds are arranged in this way is used, the probability of playing a beautiful chord with a combination of sounds of adjacent buttons increases for the following reason. FIG. 2B shows the relationship between adjacent sounds centered on a certain sound (C in the example in the figure). The front and rear (F, G) of the same column as C are in the relationship of perfect fifth (or perfect fourth, but in the case of spanning one octave, and so on). The upper left (A) is a long sixth (short third) relationship, the upper right (E) is a long third (short sixth) relationship, and the lower left (Ab) is a short sixth ( The relationship between the long third degree and the lower right (Eb) is the short third (long sixth) relationship. Further, D, B, Db, and Bb that are further adjacent to each other in the upper and lower tiers are in a relationship of long second, long seventh, short second, and short seventh. As will be described later with reference to FIG. 3, these relationships are suitable for chord construction, and it is easy to play clean chords that are generally used by pressing appropriate adjacent buttons simultaneously or within a predetermined time. Become.

  Next, FIG. 3 is used to show the relationship between a combination of buttons arranged as shown in FIG. 2 and a chord generally used. 130 is called a chord chord and is the most basic chord composed of C, E, and G (de, mi, and so). At this time, as shown in the black buttons, the positional relationship between C, E, and G is an adjacent mountain arrangement. This positional relationship becomes a long triad at any location such as “F, A, C” or “Ab, C, Eb”. 131 is a chord composed of C, Eb, and G called a short triad. This positional relationship is an arrangement of adjacent valleys, and similarly, a short triad is obtained everywhere. Similarly, 132 is an increased triad, 133 is a genus 7 chord, 134 is a short 7 chord, and 136 is a short third long 7 chord. As shown in the figure, these commonly used basic chords can be played by a combination of adjacent buttons.

  Furthermore, the relationship between button combinations and other chords will be described with reference to FIG. According to the code name notation, 150 is C6, 151 is Cm6, 152 is AbM7, 153 is Cmaj9, 154 is Cm9, 155 is ConA (or C / A), 156 is Csus4, 157 is C9, and 158 is Cdim . Not only the basic chords described in FIG. 3 but also general chords frequently used in popular music or the like can be played by combining adjacent buttons.

  Next, the sound signal stored in the waveform sample storage unit 107 in FIG. 1 will be described. The data stored in the waveform sample storage unit is time-series data of amplitudes of at least 12 kinds of sounds from C to B, and not only pure sine waves but also sounds recorded from acoustic instruments such as pianos and violins. A sample may be used.

  Here, by making it possible to ignore the absolute pitch of the sound and preparing the average frequency of each of the 12 sounds to be constant, any combination of sounds can be made possible. That is, as shown in FIG. 5, it can be realized by simultaneously producing sounds in every octave from the low range to the high range, maximizing the volume of the mid range and minimizing the volume of the low range and the high range. This is similar to the sound used for infinite scales (or shepherd tones) (http://www-antenna.ee.titech.ac.jp/~hira/hobby/edu/sonic_wave/sh_tone/doc_sh_tone/sh_tone. htm). On the other hand, in order to consider the absolute pitch of the sound, it is only necessary to store at least two octave sound signals in the waveform sample storage unit 107 and select and output the optimum combination pitch in the input sound determination unit.

  Next, the shape of the button will be described with reference to FIG. The shape of the button itself has no direct influence on the chord to be played, and may be a general shape as shown in FIGS. 6A and 6B, for example, a square or a circle. In the operation panel of the present invention, the adjacent buttons are meaningful as described above, and the buttons on each stage are shifted to the side of the buttons at the upper and lower stages by a half of the button interval. If the button is shaped like a rhombus as shown in Fig. 6 (c) or a hexagon as shown in Fig. 6 (d), the adjacent buttons on the upper and lower steps can be arranged without gaps, and a chord can be played. It will be easier to press.

  Next, the shape of the operation panel 101 of the sound generator will be described with reference to FIG. As shown in Fig. 2 and the like, the three rows of buttons may be arranged in a straight line. However, since each row is connected in a ring shape, for example, as shown in Fig. 7 (a) You may arrange | position in concentric form. Moreover, as shown in FIG.7 (b), you may arrange | position three-dimensionally in the shape of a ring on the surface of a cylindrical panel main body. Further, the buttons do not necessarily have to be configured separately from the board surface. For example, as shown in FIG. 7C, a method of selecting a sound using a touch panel button may be used.

  Next, the arrangement of another button row will be described with reference to FIG. Up to this point, an example has been described in which the button rows are arranged in three stages, but the number of stages is not necessarily three. FIG. 8 is a diagram in which five-degree rows are arranged in two stages vertically. Although the chords that can be pronounced are limited by having two rows of buttons, for example, the chords 130, 131, 134, 135 in FIG. 3 and 150, 152, 153, 154, 156 in FIG. 4 are played. be able to.

  Although FIG. 1 shows a sound generating apparatus in which an operation panel and a control unit including a sound source are integrated, a structure in which the control unit and the operation panel are separated may be employed. FIG. 9 is a schematic view showing another embodiment of the operation panel according to the present invention. The operation panel 201 includes a panel body in which a button 202 representing a sound is arranged, and a note information output unit 203 that outputs note information such as MIDI data corresponding to the button when the button is pressed. By connecting the signal line 204 that supplies the output from the note information output unit 203 to an arbitrary sound source and operating the button 202 of the operation panel 201, a chord can be sounded in the same manner as described above.

  The sound generator shown in FIG. 1 selects, amplifies and outputs from the speaker 105 the sound signal corresponding to the button stored in the waveform sample storage unit 107 when a button on the operation panel is pressed. However, the sound source is not limited to this. For example, a sound source may be configured by a plurality of leads, blowers, and switches that can generate different sounds, and when a button on the operation panel is pressed, the sound is generated by blowing air to the lead corresponding to the button. In the same way, prepare multiple members such as strings and plates that can generate different sounds, and play and hit the strings and members corresponding to the buttons as you press the buttons on the operation panel. It may be.

  In a sound generator such as a musical instrument, it is possible to easily play chords even before mastering performance techniques.

It is a figure which shows the structure of one Example of this invention. It is a figure which shows the arrangement | positioning method of the button on the operation panel of one Example of this invention. It is a figure which shows the relationship between the combination of the arrange | positioned button of one Example of this invention, and the chord generally used. It is a figure which shows the relationship between the combination of the button of one Example of this invention, and the other chord. It is a figure shown about the sound signal stored in the waveform sample memory | storage part of one Example of this invention. It is a figure which shows the shape of the button of one Example of this invention. It is a figure which shows the shape of the operation panel of one Example of this invention. It is a figure which shows arrangement | positioning of another button of one Example of this invention. It is a figure which shows the operation panel of the other Example of this invention. It is a figure explaining the structure of a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 ... Operation panel 102 ... Button 103 ... Control part 104 ... Power supply part 105 ... Speaker 106 ... Input sound determination part 107 ... Waveform sample storage part 108 ... Amplification part 110 ... Button row 111 ... Button row 112 ... Button row 201 ... Operation panel 202 ... Button 203 ... Note information output unit 204 ... Signal line

Claims (11)

A panel body in which a plurality of buttons representing sounds are arranged; and a note information output unit that outputs note information corresponding to the buttons when the button is pressed;
The panel body is provided with at least two upper and lower button rows arranged so that the relationship between the sounds of adjacent buttons is completely five degrees,
The lower row of buttons is arranged in the direction of the row by a distance that is half the button interval with respect to the upper row of buttons, and the sound represented by any button in the upper row. On the other hand, the operation panel is arranged so that the sound of the lower button located at the lower right is in a third degree relationship.   The operation panel according to claim 1, wherein the button rows are arranged in a straight line.   The operation panel according to claim 1, wherein the button rows are arranged concentrically.   The operation panel according to claim 1, wherein the panel body is cylindrical, and the button row is arranged in a ring shape on a surface of the cylindrical panel body.   2. The operation panel according to claim 1, wherein the button is a quadrangle, a circle, a diamond, or a hexagon. An operation panel provided with a plurality of buttons representing sound, and a sound generator that generates sound corresponding to the button pressed on the operation panel;
The operation panel is provided with at least two upper and lower button rows arranged so that the relationship between the sounds of adjacent buttons is completely five degrees, and the lower button row is immediately above the button row. The lower row located at the lower right side of the sound represented by any of the buttons on the upper row is arranged so as to be shifted in the row direction by a distance of half the button interval with respect to the button row of the upper row. The sound generating device is characterized in that the sound of the button is arranged so as to have a third-degree relationship.   The sound generator according to claim 6, wherein the button rows are arranged in a straight line.   The sound generator according to claim 6, wherein the button rows are arranged concentrically.   The sound generator according to claim 6, wherein the panel body is cylindrical, and the button row is arranged in a ring shape on a surface of the cylindrical panel body.   The sound generator according to claim 6, wherein the button is a quadrangle, a circle, a diamond, or a hexagon.   The sound generator according to claim 6, wherein the sound generator generates an infinite scale sound.

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