JP4251494B2 - Electronic musical instruments - Google Patents

Description

  The present invention relates to an electronic musical instrument having a function of performing sound generation control in accordance with an operation speed of an operator.

  2. Description of the Related Art Conventionally, electronic musical instruments have been proposed in which various functions are activated by operation of an operator such as a pad button. For example, the operation intensity of the pad button is detected as an operation speed, and based on the detected speed, a reproduction mode such as “waveform reading direction” and “waveform reproduction method” is determined, and waveform reproduction is performed according to the determined reproduction mode. Therefore, there has been proposed an apparatus that can generate various waveforms with various changes only by the operation intensity of operating the pad button (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 10-31481 (page 3-7, FIG. 4)

  Certainly, in such an apparatus, it is possible to perform waveform reproduction rich in change according to the operation speed of the operation element. However, in the conventional electronic musical instrument, when a plurality of musical sounds are generated by pressing one pad button, the plurality of musical sounds are fixedly set in advance regardless of the pressing strength at which the pad button is pressed. Even if the depressing intensity of the pad button is intentionally changed, the sound intensity of each of the plurality of musical sounds is fixed and sounded. For this reason, by adjusting the operation intensity of the operation element, and the keystroke speed when the operation element is a keyboard, it is possible to naturally adjust the strength even in the case of multiple sounds, or to change the operation speed of the operation element intentionally. There has been a demand for the appearance of an electronic musical instrument with a high level of operability that can be used to improve the performance. The pronunciation intensity referred to here is an amount corresponding to a velocity value defined by the MIDI standard, for example.

  The present invention has been made in order to solve such a conventional problem. When sound generation control is performed on a plurality of musical sounds, the sound intensity of the plurality of music sounds is adjusted according to the operation speed of the operator. An object of the present invention is to provide an electronic musical instrument that can be used.

In order to achieve the above object, the present invention comprises an operator operated to generate a musical sound,
An operation speed detecting means for detecting an operation speed of the operation element;
A setting means for setting and operating information indicating a plurality of sets of note numbers and their pronunciation intensity;
Storage means for storing information set by a setting operation using the setting means;
While maintaining the ratio of each sound intensity determined based on the information stored in the storage means, the sound intensity corresponding to each note number in the plurality of sets with the sound intensity according to the operation speed detected by the operation speed detection means. Control means for simultaneously controlling the tone generation of musical sounds ,
The control means includes
While maintaining the ratio of each sound intensity determined based on the information stored by the storage means, the total value of the sound intensity is a sound intensity that is the same numerical value as the operation speed detected by the operation speed detection means, The electronic musical instrument is further provided with a function of simultaneously controlling the sound generation of the musical sounds corresponding to the respective note numbers in the plurality of sets, and the function is activated by a switching operation of the switching means .

  In the present invention, information indicating a plurality of sets of note numbers and their pronunciation intensities set by the setting operation using the setting means is stored in the storage means, and the control means is based on the information stored in the storage means. The tone of the sound corresponding to each note number in the plurality of sets is simultaneously controlled with the sound generation intensity corresponding to the operation speed of the operator detected by the operation speed detection means while maintaining the ratio of the sound generation intensities determined. As a result, the operator can adjust the sound intensity of the musical sounds corresponding to the respective note numbers in the plural sets (that is, plural musical sounds) by adjusting the operation speed of the operation element, and can produce a sound. In addition, the control means adjusts the sound intensity of the plurality of musical sounds according to the operation speed while maintaining the ratio of the sound intensity of the plurality of musical sounds, so it is necessary to individually adjust the sound intensity for each sound intensity. (That is, it is only necessary to depress the manipulator so as to change only the depressing strength of the manipulator), and it is possible to perform a sounding operation while adjusting the sound intensity of a plurality of musical sounds while improving operability. The fun of sounding operation using the operator increases.

Furthermore, in the electronic musical instrument, the setting means is a means for setting information indicating the plurality of sets of note numbers and a certain ratio, and the control means is an operation detected by the operation speed detecting means. And further comprising a function for simultaneously controlling the sound of the sound corresponding to each note number in the plurality of sets with a sound intensity that is a numerical value that is changed according to a certain ratio stored in the storage means. An electronic musical instrument characterized by being activated by a switching operation of the switching means can also be provided.

  According to the present invention, when sound generation control is performed on a plurality of musical sounds, it is possible to adjust the sound generation intensity of the plurality of music sounds according to the operation speed of the operation element.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  In this specification, “note number (note number)” corresponds to “note number (key number)” defined by the MIDI standard.

(Constitution)
FIG. 1 is an explanatory diagram showing the configuration of an electronic musical instrument 1 according to the best mode for carrying out this embodiment. The electronic musical instrument 1 according to the present embodiment includes a control unit (CPU) 10, an operator 20, an operation speed detection unit 30, a ROM 40, a storage unit (RAM) 50, a setting unit 60, and a mode switch 70. And a DSP (digital signal processor) 80 and a sound source 90.

  The control unit 10 performs processing in accordance with a program stored in the ROM 40, and according to the operation speed of the operator 20 transmitted from the operation speed detection unit 30, the tone generation of the musical sound to be generated from the speaker 95 via the DSP 80 and the sound source 90. It has a function of performing processing for adjusting strength. And, it has a function of simultaneously controlling the sound generation of a plurality of musical sounds with the adjusted sound intensity.

  For example, as shown in FIGS. 5 (a) and 5 (b), the operator 20 is a pad button that is pressed to generate a musical tone. A voltage corresponding to the strength is output to the operation speed detector 30 by an output element provided therein.

  When a voltage corresponding to the pressing intensity of the pressing operation is output from the operating element 20, the operating speed detecting unit 30 has a function of detecting the operating speed of the operating element 20 based on this voltage and transmitting it to the control unit 10. . The ROM 40 stores a control program for causing the control unit 10 to execute a control operation described below.

  The storage unit 50 has a function of storing a plurality of sets of note numbers, which will be described later, and information indicating their pronunciation intensity, as shown in FIG. 3 set by the operator by setting the setting unit 60. Further, it has a function of storing the mode of the operator 20 switched by the mode switch 70.

  The setting unit 60 is a setting for the operator to set and operate a plurality of note numbers and information indicating the tone intensity of the musical tone corresponding to the note numbers by adjusting the knob etc. Means. For example, when the operator performs a setting operation on the setting unit 60, as illustrated in FIG. 3, a set of the note number “F3” and the pronunciation intensity “80”, the note number “C3”, and the pronunciation are displayed on the operator 20. A set of intensity “40” is set. Here, the note number is information indicating the sound of a musical sound, and corresponds to “de, de #, les, les #, mi, fa, fa #, seo, seo #, la, la #, shi”. From any symbol of “C, C #, D, D #, E, F, F #, G, G #, A, A #, B” and a number indicating the octave of the tone of the musical sound It will be. For example, the note number “F3” is “F” in the third octave, and the note number “C3” is “D” in the third octave. The musical tone is a performance sound of a musical instrument that is generated by playing a sound indicated by a note number with, for example, a cymbal provided in a drum.

  The mode changeover switch 70 generates a musical tone corresponding to each note number as it is with a plurality of note numbers set for the operator 20 and information indicating the sound intensity regardless of the operation speed of the operator 20. To switch between the mode, that is, the “Fixed Velocity mode” and the mode that simultaneously generates musical tones corresponding to the respective note numbers with the sound intensity corresponding to the operation speed of the operation element 20, that is, the “Velocity Sensitive mode”. Switch.

  The DSP 80 is a processor or the like that performs digital signal processing, and performs a process for generating a musical tone corresponding to each note number set for the operator 20 with the tone intensity transmitted from the control means 10. The sound source 90 has a function of generating sound from the speaker 95. The sound source 90 is configured to generate a required sound by driving and controlling the sound source 90.

(Operation)
Next, the processing of the control unit 10 in the “Velocity Sensitive mode” which is a characteristic part of the present embodiment will be described in detail with reference to the flowchart shown in FIG. As shown in FIG. 3, for example, as shown in FIG. 3, for example, as shown in FIG. Is set and stored in the storage unit 50.

  First, as shown in FIGS. 5A and 5B, when the operator presses down the operator 20, and the operator 20 is turned on, it corresponds to the pressing intensity of the operator's pressing operation. The voltage is output from the operation element 20 to the operation speed detection unit 30. The operation speed detection unit 30 performs processing for detecting the operation speed from the output voltage. That is, the operation speed is calculated based on the following formula. ““ Vel ”= (Pad−Vmin) / (Vmax−Vmin) (Vel:“ operation speed ”, Pad:“ voltage output from the controller 20 ”, Vmax:“ maximum voltage value output from the controller 20 ” “, Vmin:“ the minimum voltage value output from the operator 20 ”). Then, the operation speed detection unit 30 transmits the calculated operation speed to the control unit 10.

  The control unit 10 determines whether or not the operator 20 is turned on and the operation speed is transmitted from the operation speed detection unit 30 (step S3010). When the operation element 20 is turned on and the operation speed of the operation element 20 is transmitted from the operation speed detection unit 30 (YES in step S3010), the control unit 10 sets each note number set for the operation element 20. It is determined whether or not the corresponding musical tone has been generated from the speaker 95 via the DSP 80 and the sound source 90 (step S3020). That is, as shown in FIG. 3, it is determined whether or not the musical tone corresponding to the note numbers “F3” and “C3” has been generated from the speaker 95.

  Here, when the musical tone corresponding to the note numbers “F3” and “C3” has already been generated from the speaker 95 (YES in step S3020), the control unit 10 generates a musical tone by pressing the operating element 20. The process ends as if it was pronounced.

  Next, when the musical tone corresponding to each note number is not generated from the speaker 95 (NO in step S3020), the control unit 10 sets a plurality of note numbers set for the operator 20. And the information which shows pronunciation intensity is read from the memory | storage part 50, and the process which adjusts the pronunciation intensity corresponding to each note number according to operation speed is performed (step S3030). That is, note numbers “F3” and “C3” are set for the operator 20, but the pronunciation strengths “80” and “40” included in each set of “F3” and “C3” are set. While maintaining the ratio “80”: “40” determined based on the above, that is, the ratio “2”: “1”, the sound intensity is adjusted according to the operation speed. First, the note intensity corresponding to the note number to which the maximum sound intensity value is set, that is, “F3” among the sound intensity values, is set to the same numerical value as the sound intensity corresponding to the operation speed, and other sound intensity, ie “ The sound intensity corresponding to “C3” is a numerical value adjusted according to the ratio of the operation speed. Although a plurality of sounds have been described here, a single sound can be handled in the same manner.

  As shown in FIG. 2, for example, when the operation speed is “120”, the sound intensity is adjusted as “120” and “60”, and when the operation speed is “60”, the sound intensity “60” and “60” are adjusted. 30 ”.

  Next, the control unit 10 determines whether or not the adjusted sound intensity is smaller than the numerical value “1” (step S3040). That is, it is determined whether or not the sound intensity corresponding to “F3” and “C3” adjusted in step 3030 is smaller than “1”.

  If the adjusted sound intensity is lower than “1” (YES in step S3040), it is not possible to generate sound sound data corresponding to this sound intensity, and sound cannot be generated from the speaker 95 via the DSP 80 and the sound source 90. The control unit 10 changes the sound generation intensity to “1”, which is the lower limit value of the range in which sound generation data can be generated (step S3060). If the adjusted sound intensity is not smaller than “1” (NO in step S3040), the control unit 10 executes the process in step S3050.

  Next, the control unit 10 controls the sound generation so that the musical tones corresponding to the respective note numbers are simultaneously generated with these adjusted sound intensity (step S3050). That is, if the operation speed is “80”, the musical tone corresponding to the note numbers “F3” and “C3” (for example, “F3” is the cymbal musical tone and “C3” is the snare drum musical tone). Are controlled to be sounded with a sound intensity of “80” and “40”, and sounded from the speaker 95 via the DSP 80 and the sound source 90. And the process after step S3020 is repeatedly performed.

  In this way, the control unit 10 controls the sound generation so that the sound intensity corresponding to each note number is adjusted according to the pressing intensity when the operation element 20 is pressed, and the speaker 95 generates sound. It is possible to adjust the sound intensity of the tone corresponding to each note number by adjusting the strength of pressing the operating element 20 to produce a sound. In addition, since the control unit 10 adjusts the sound intensity according to the operation speed while maintaining the ratio of the sound intensity, there is no need to adjust the sound intensity individually for each sound intensity. It is possible to adjust the pronunciation intensity while increasing the tone. For the sake of explanation, the expression “pressing” is used, but the sounding intensity parameter (velocity) generated by “keystroke” in the case of a keyboard can naturally be handled in the same manner.

  Therefore, according to the present embodiment, a plurality of sets of note numbers set by a setting operation using the setting unit 60 and information indicating the pronunciation intensity are stored in the storage unit 50, and the control unit 10 stores the storage unit. The sound corresponding to each note number in a plurality of sets with the sound generation intensity corresponding to the operation speed of the operation element 20 detected by the operation speed detection unit 30 while maintaining the ratio of each sound generation intensity determined based on the information stored in 50. Since the musical tone is controlled simultaneously, the operator can adjust the tone intensity of the tone corresponding to each note number in a plurality of sets by adjusting the strength of pressing the operation element 20 to make it sound. It becomes. In addition, the sound intensity can be adjusted and the sound can be generated while enhancing the operability.

(Modification)
In the above-described embodiment, the control unit 10 adjusts the sound intensity according to the operation speed while maintaining the ratio of the sound intensity, and sets any sound intensity as the same as the operation speed. The other operation speeds were adjusted and operated with the same numerical value corresponding to the ratio, but as a modification, while maintaining the ratio of each sound intensity, these sound intensity levels were adjusted according to the operation speed. Further, as shown in FIG. 6A, adjustment may be performed so that the numerical value obtained by summing up the sound generation intensities is the same as the operation speed. The mode changeover switch 70 switches between a function of the control unit 10 that sets any one of the pronunciation intensities to the same value as the operation speed, and a function in which the total number of the sound generation intensities is the same as the operation speed. You may do it. Even in this case, it is possible to adjust the pressing intensity for pressing the operation element 20 to adjust the sound intensity of the musical sound corresponding to each note number, and to generate the sound intensity while improving the operability. Can be adjusted and pronounced.

  As a second modification, as shown in FIG. 6B, the operator sets a plurality of sets of note numbers and ratios to the operation speed for the operation element 20 by the setting unit 60, and sets each note number. The tone intensity of the corresponding musical tone may be determined by a numerical value obtained by changing the operation speed detected by the operation speed detection unit 30 according to each ratio. The mode changeover switch 70 can be used to switch between the function of setting one of the sound generation intensities to the same value as the operation speed and the function of determining the sound output intensities by changing the operation speed according to the ratio. May be. In this case, for example, it is assumed that the operator sets the ratio to the operation speed included in the set of “F3” and “C3” as “50%” and “70%” by the setting unit 60. Then, the control unit 10 changes the operation speed “50” according to these ratios, and adjusts the tone intensity of the musical sound corresponding to “F3” and “C3” as “25” and “35”.

  Although the best mode for carrying out the present invention has been described above, various modifications and changes can be made to the above-described embodiment without departing from the gist of the present invention.

  It can be used in an electronic musical instrument or the like provided with a control means for performing sound generation control in accordance with the operation speed of the operation element.

1 is an explanatory diagram showing a configuration of an electronic musical instrument 1. FIG. It is explanatory drawing explaining the process which adjusts each pronunciation intensity according to operation speed. It is explanatory drawing which shows the several sets of note number and pronunciation intensity set to the operation element. It is a flowchart which shows the process which the control part 10 performs. It is explanatory drawing which shows the operation element. It is explanatory drawing of operation | movement.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electronic musical instrument 10 Control part 20 Operator 30 Operation speed detection part 40 ROM
50 Storage unit (RAM)
60 Setting part 70 Mode changeover switch 80 DSP
90 Sound source 95 Speaker

Claims (1)

An operator operated to generate a musical sound;
An operation speed detecting means for detecting an operation speed of the operation element;
A setting means for setting and operating information indicating a plurality of sets of note numbers and their pronunciation intensity;
Storage means for storing information set by a setting operation using the setting means;
While maintaining the ratio of each sound intensity determined based on the information stored in the storage means, the sound intensity corresponding to each note number in the plurality of sets with the sound intensity according to the operation speed detected by the operation speed detection means. Control means for simultaneously controlling the tone generation of musical sounds ,
The control means includes
While maintaining the ratio of each sound intensity determined based on the information stored by the storage means, the total value of the sound intensity is a sound intensity that is the same numerical value as the operation speed detected by the operation speed detection means, An electronic musical instrument , further comprising a function of simultaneously controlling the sound generation of the musical sounds corresponding to the respective note numbers in the plurality of sets, wherein the function is activated by a switching operation of a switching means .

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