JPH05173569A - Electronic musical instrument - Google Patents

Abstract

PURPOSE:To enable a trill performance at a pitch of optional pitch variation width through simple manipulation by providing a pitch variation width information storage means which can be stored with pitch variation width information and a pitch variation control means which controls variation to other pitches. CONSTITUTION:Through the processing operation of a CPU l, data of +1 is added to the contents of a RAM 14 as the pitch variation width storage device each time a pitch-up switch 13-1 is turned ON once. For example, when the data of +1 as an initial state value is stored in the RAM 14, one is added to the data value in the RAM 14 once a pitch variation switch 12 for a trill performance and data of +2 is stored in the RAM 14. When the pitch variation switch 12 is turned ON in this state, a musical tone generating circuit 3 is indicated and controlled so as to generate a musical tone having a pitch which is a chromatic interval + a chromatic interval = whole tone higher than a pitch specified with a pitch setting switch group 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pitch changing function in an electronic musical instrument for generating a musical sound having a predetermined pitch by a pitch designation operation.

[0002]

2. Description of the Related Art In conventional electronic wind instruments, a trill performance is possible by changing the pitch designated by the pitch designation operation by operating the semitone trill key or the whole tone trill key. is there.
However, in such a conventional electronic wind instrument, the pitch change range (pitch difference) that allows the trill performance performed using the trill key is limited to a half pitch or the whole pitch, and the type of pitch difference that can be modified by the trill key. In order to increase the number of keys, it is necessary to provide as many trill keys (trill switches) as the number of pitch differences, which causes a problem that the operation is complicated and the cost is high. In addition, performing a trill performance with a pitch difference of a whole pitch or more without using a trill key or the like has a problem in that the playing technique is difficult.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an electronic musical instrument capable of performing trill performance with a pitch of an arbitrary pitch change range by a simple operation, in order to solve the above conventional problems. ..

[0004]

In order to achieve such an object, the invention as set forth in claim 1 uses a pitch designating means capable of designating a pitch to be generated, and the pitch designating means. Pitch change instruction means for instructing to change a designated pitch to another pitch, and pitch change width capable of designating a pitch change width to be changed by this pitch change instruction means Designation means, pitch change width information storage means capable of storing pitch change width information corresponding to the pitch change width designated by the pitch change width designating means, and sound corresponding by the pitch designation means In the state where the pitch is designated, when the pitch change instructing means gives an instruction to change to another pitch, the pitch designated by the pitch designating means is changed to the pitch. According to the pitch change width information stored in the width information storage means, other pitches And a pitch change control means for controlling to change. Further, in the invention according to claim 2, in addition to the configuration according to claim 1, when a corresponding pitch is designated by the pitch designating means, in response to this, the designated pitch If a pitch change is instructed by the pitch change instructing means under the condition that the corresponding pitch is specified by the pitch specifying means, In response to the tone pitch generating means, the tone pitch generating means generates a tone pitch with another tone pitch according to the tone pitch change width information stored in the tone pitch change width information storage means. Is further equipped. In addition to the configuration according to claim 1, the invention according to claim 3 further comprises a performance operation state detecting means for detecting a performance operation state,
Under the condition that the performance operation status is detected by the performance operation status detection means and the corresponding pitch is specified by the pitch specification means, the pitch change instruction means changes the pitch to another pitch. In response to the change of the pitch specified by the pitch specifying means, in accordance with the pitch change width information stored in the pitch change width information storage means, And a musical tone generating means for generating a musical tone at the tone pitch. Further, in the invention according to claim 6, in addition to the configuration according to claim 1, when a pitch change range to be changed is designated by the pitch change instructing means, the designated pitch is changed. A pitch change width display means for displaying the change width is further provided. Further, in the invention according to claim 9, a pitch designating means capable of designating a pitch to be generated and an instruction for changing the pitch designated by the pitch designating means to another pitch. A plurality of pitch change instructing means, a pitch change width designating means capable of designating a pitch change width to be changed for each of the plurality of pitch change instructing means, and the pitch change width designating means Pitch change width information storage means capable of storing corresponding pitch change width information for each pitch change width specified by, and a state in which the corresponding pitch is specified by the pitch specifying means Under
When a change to another pitch is instructed by at least one pitch change instructing means of the plurality of pitch change instructing means, the pitch specified by the pitch specifying means is
Pitch change control means for controlling to change to another pitch according to the pitch change width information stored in the pitch change width information storage means for each of the at least one pitch change instruction means ing.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to an electronic wind instrument will be described below with reference to the drawings.

<Structure> FIG. 1 is an overall circuit diagram of an electronic wind instrument according to an embodiment of the present invention. A CPU 1 which is a central processing unit of a microprocessor includes a pitch setting switch group as pitch specifying means. The tone pitch information corresponding to a half tone of a tone having a predetermined pitch designated by the pitch designation operation 2 is received and output to the tone generation circuit 3.

Further, breath information by a performance input operation to a breath sensor 5 as a performance input means provided in the mouthpiece portion 4 of the wind instrument body is first converted into a voltage by the voltage conversion circuit 6, and this voltage value is further converted. , A / D converter 7 converts the digital value into a digital value, and the CPU 1 receives the digital breath information converted into the digital value, and outputs this as musical tone control information to a musical tone generating circuit 3 which is a musical tone generating means.

Further, the CPU 1 has a pitch setting switch group 2
From the pitch information and the tone color / effect information selected by the tone color / effect changeover switch group 8, and according to these information, a musical tone of a specific tone pitch with a specific tone color / effect is amplified by an amplifier 9 and a speaker. It is output to the tone output device 11 composed of 10 and 10. From the musical sound output device 11, the inputted musical sound is level-converted and then emitted.

In addition, the CPU 1 turns on the voltage V by turning on the pitch change switch 12, which is generally called a trill key (trill switch), as a pitch change instruction means.
_{The DD} is applied, and the pitch up switch 13-in the pitch change width setting switch unit 13 as the pitch change width setting means
The voltage V _DD is applied by turning on the switch 1 and the pitch down switch 13-2. Further, the pitch change width set by the pitch change width setting switch unit 13 is controlled by the CPU 1 so as to store the pitch change width such as a RAM (random access memory) which is a pitch change width storage means. Device 14 (hereinafter RAM 14
It is configured to be stored or read.

FIG. 2 is an external view of the electronic wind instrument of FIG.
Those having the same reference numerals as those in FIG. 1 have the same function. Further, the arrangement of each of these components is an example, and the wind instrument may have various shapes such as a clarinet type and a recorder type other than the saxophone type.

The tone generation circuit 3 and the tone output device 11 in FIG. 1 may be provided outside the wind instrument body and electrically connected to the body.

<Operation> Next, FIGS. 1 and 2 and the CPU 1
The operation of the embodiment having the above configuration will be described with reference to the pitch change width setting flowchart of FIG.

The flow shown in FIG. 3 repeatedly operates at a predetermined time interval with respect to the flow (not shown) of the main routine of the CPU 1. First, step 3
-1, it is determined whether or not the pitch up switch 13-1 of the pitch change width setting switch unit 13 is turned on. If YES, in step 3-2, the other pitch is determined. It is determined whether or not the down switch 13-2 is also turned on. If YES, it means that both the pitch up switch 13-1 and the pitch down switch 13-2 are turned on at the same time. , In this case, RAM
In the case of initializing No. 14, it is assumed that in this embodiment, a trill performance with a half pitch up, which is the most general example of trill performance, is performed.
+1 as the initial value data for 4 (note that the half pitch is 1
, +1 means that the data is semitone pitch increase, and -1 is that that is half pitch pitch down. ) Is written, and in the next step 3-4, the pitch up switch 13-
1. To indicate that both the pitch down switches 13-2 are in the ON state, both the pitch up flag and the pitch down flag are set to 1, and the process returns to the main routine.

If NO in step 3-2, it means that the pitch down switch 13-2 is not turned on. In step 3-5, whether or not the pitch up flag is 1 is set. To judge. If YES, it means that the pitch up switch 13-1 has not been newly turned on this time but that it has already been turned on.
There is no need to store any new data for changing the pitch change width in M14, and the routine is returned to the main routine as it is. However, if NO is determined here, it means that the pitch up switch 13-1 is newly turned on this time, so that performance by changing the pitch in the future,
That is, it is necessary to store a new pitch change width (trill pitch difference) in the RAM 14 for the trill performance, and the processing operation for that is performed.

That is, in step 3-6, the data currently stored in the RAM 14 is transferred to the A register in the CPU 1, and the data stored in the A register in step 3-7 (1 octave or more in this embodiment). Assuming that the trill performance of the pitch difference is not performed, it is judged whether the range is within ± 11 (data within 11) or more, and Y
In the case of ES, there is a case where the pitch change range cannot be increased anymore.
The ON operation of -1 is invalid, and in step 3-8, the pitch up club is set to 1 and the pitch up switch 13-
After determining that 1 is in the ON state, the process returns to the main routine. If NO in step 3-7, it is necessary to respond to the new pitch-up switch 13-1 being turned on this time, so the data in the register A is incremented by 1 in step 3-9. In step 3-10 of
The value is set to +1, that is, the data for increasing the pitch change width data stored in the RAM 14 by half a pitch is newly written in the RAM 14, and the above-mentioned YES is performed.
As in the case of, the pitch up flag is set to 1 in step 3-8 and then the process returns to the main routine.

As described above, by the processing operation of the CPU 1, every time the pitch up switch 13-1 is turned on once, the pitch change width storage device RAM14 is incremented by +1.
Data will be added. For example, RAM14
If the initial state value of +1 is stored in the memory, the pitch change switch 12 is used for trill performance.
When is turned on, the CPU 1 as a control means instructs the tone generation circuit 3 to generate a tone with a pitch raised by a semitone for the pitch designated by the pitch setting switch group 2. Control. If, for example, the pitch up switch 13-1 is turned on in this state, as described above,
The operation after step 3-1 is performed again, and the RAM 14
The data value of is further increased by 1 and the data of +2 is R
When the pitch change switch 12 is turned on in this state, the pitch is changed by half pitch + half pitch = whole pitch with respect to the pitch designated by the pitch setting switch group 2. Instruction control is performed on the musical tone generating circuit 3 so that a musical tone of a pitch is generated.

If NO is determined in step 3-1, the pitch up switch 13-1 is not turned on and the pitch up flag is set to 0 in the next step 3-11. , Pitch up switch 1
It is assumed that 3-1 is not in the on state. In the next step 3-12, on the contrary, it is determined whether or not the pitch down switch 13-2 is turned on. If NO, the pitch change width setting switch section 13 has no change in the on operation. Since it is time, there is no need to rewrite the data in the RAM 14, so in step 3-13 the pitch down flag is set to 0.
After setting, return to the main routine. If YES in step 3-12, it is determined in the next step 3-14 whether or not the pitch down flag is set to 1, and if YES, the pitch down switch 1 is newly added this time.
Since it is not the case that 3-2 is turned on, it is not necessary to rewrite the data in the RAM 14, and the process directly returns to the main routine. However, in the case of NO, it means that the pitch down switch 13-2 is newly turned on this time, and it is necessary to reduce the pitch difference in the trill performance by one.

Therefore, in step 3-15, RA
The current data contents of M14 are transferred to the A register, and it is judged in step 3-16 whether the data in the A register is -11 or less. If YES, the pitch down function is further increased. Since it does not work, turning on the pitch down switch 13-2 is meaningless, and Step 3-
At 19, the pitch down flag is set to 1 and the pitch down switch 13-2 is in the ON state, and the process returns to the main routine.

When it is judged NO in step 3-16, it is necessary to newly reduce the data in the RAM 14, and in step 3-17, the current data in the A register is decremented by 1. The data is transferred to the register A, and the data of the new register A is stored in the RAM 14 in step 3-18. Then, in step 3-19, the pitch down switch 13-2 is set to 1 to set the pitch down switch 13-2 to the on state, and then the process returns to the main routine.

In this way, the pitch down switch 13-2
Each time the ON operation is performed once, the data stored in the RAM 14 decreases by 1 to -11.
When the pitch down switch 13-2 is turned on once in the initial state of the RAM 14 (that is, the data memory state of +1), the data of the RAM 14 becomes ± 0, which corresponds to the pitch designated by the pitch setting switch group 2. When the pitch is not changed and the pitch down switch 13-2 is turned on once, the data in the RAM 14 becomes -1, and a trill that lowers the pitch by a half pitch with respect to the pitch designated by the pitch setting switch group 2. It becomes possible to play. For example, another 2
When the pitch down switch 13-2 is turned on continuously, the specified pitch is lowered by a pitch difference of one and a half.

<Effects of the Embodiment> As described above, in the above-described embodiment, the performer has the pitch up switch 13-1 in advance.
And by turning on the pitch down switch 13-2, 1
By selecting and setting any pitch change width within the octave range and storing it in the pitch change width storage device (RAM) 14, R is set every time the pitch change switch 12 is turned on.
Since the pitch specified by the pitch setting switch group 2 is changed by the pitch change width stored in the AM4 to generate a musical tone, the musical tone specified by the pitch setting switch group 2 is emitted. Turn on the pitch change switch 12 while
By repeating the OFF operation at appropriate time intervals, it is possible to easily perform a trill performance in which the pitch is raised or lowered with an arbitrary pitch difference.

<Modified Embodiment> Pitch Up Switch 13-
1. The pitch change range that can be changed by the pitch down switch 13-2 does not need to be limited to less than one octave, and the pitch change range is not changed by a half pitch, but is set in cents, for example. The pitch change range may be set more finely. In addition, the pitch change is made so that the trill performance can be performed only when the pitch is raised with respect to the pitch designated by the pitch setting switch group 2 or when the pitch is lowered. May be.

Furthermore, as shown in FIG.
By providing the pitch change width display device 20 that displays the data stored in the memory, that is, the pitch change width that is currently set, data that is easier to play can be obtained.

The present invention is not limited to electronic wind instruments,
Electronic keyboard instrument, electronic string instrument (in the case of this electronic string instrument,
For example, the pitch designating means may be a number of pitch designating switches provided on the fingerboard, and the performance input operating means may be a string operation string provided on the body. ) It can be applied to other various electronic musical instruments.

[0025]

As is apparent from the above description, according to the invention described in claim 1, the pitch designating means capable of designating the pitch to be generated, and the pitch designating means. Pitch change instructing means for instructing to change the pitch to be changed to another pitch, and pitch change width designating means capable of designating the change width of the pitch to be changed by this pitch change instructing means A pitch change width information storage means capable of storing pitch change width information corresponding to a pitch change width specified by the pitch change width specifying means, and a corresponding pitch is specified by the pitch specifying means. When the pitch change instructing means gives an instruction to change the pitch to another pitch, the pitch specified by the pitch specifying means is stored in the pitch change width information storage. Change to another pitch according to the pitch change width information stored in the means And a pitch change control means for controlled so. For this reason, when the pitch change instructing means gives an instruction to change to another pitch under a state in which the corresponding pitch is specified by the pitch specifying means, an extremely advanced performer causes a so-called trill. Even a beginner with a very low performance technique can perform the same advanced trill performance as when performing a performance, and the pitch designated by the pitch designating means is stored in the pitch change width information storing means. The pitch can be changed to another pitch quickly and easily according to the pitch change range information. The invention according to claim 6 is
In addition to the configuration according to claim 1, when a pitch change range to be changed is designated by the pitch change instructing means,
A pitch change width display means for displaying the change width of the designated pitch is further provided. Therefore, when performing a trill performance, you can quickly and easily change the specified pitch change range.
Can be seen. Further, in the invention according to claim 9, a pitch designating means capable of designating a pitch to be generated and an instruction for changing the pitch designated by the pitch designating means to another pitch. A plurality of pitch change instructing means, a pitch change width designating means capable of designating a pitch change width to be changed for each of the plurality of pitch change instructing means, and the pitch change width designating means Pitch change width information storage means capable of storing corresponding pitch change width information for each pitch change width specified by, and a state in which the corresponding pitch is specified by the pitch specifying means Under
When a change to another pitch is instructed by at least one pitch change instructing means of the plurality of pitch change instructing means, the pitch specified by the pitch specifying means is
Pitch change control means for controlling to change to another pitch according to the pitch change width information stored in the pitch change width information storage means for each of the at least one pitch change instruction means ing. For this reason, in a state in which the corresponding pitch is designated by the pitch designating means, and when the pitch change instructing means instructs the pitch to be changed to another pitch, an extremely advanced performer will play a so-called trill. The same high-level trill performance as when performing a performance is stored in the pitch change width information storage means, even for a beginner with a very low performance technique, the pitch specified by the pitch specification means. The pitch can be changed to another pitch quickly and easily according to the pitch change range information.

[Brief description of drawings]

FIG. 1 is an overall circuit configuration diagram of an electronic wind instrument of an embodiment to which the present invention is applied.

FIG. 2 is an external view of the electronic wind instrument shown in FIG.

3 is a diagram of a pitch change range setting flowchart of FIG.

[Explanation of symbols]

 1 CPU 2 Pitch setting switch group 5 Breath sensor 12 Pitch changing switch 13 Pitch changing width setting switch section 13-1 Pitch up switch 13-2 Pitch down switch 14 Pitch changing width storage device

Claims (9)

[Claims] 1. A pitch designating means capable of designating a pitch to be generated, and a pitch changing instruction given to change a pitch designated by the pitch designating means to another pitch. Means, a pitch change width designating means capable of designating a pitch change width to be changed by the pitch change instructing means, and a pitch change width designated by the pitch change width designating means. Under the condition that the pitch change width information storage means capable of storing the pitch change width information and the corresponding pitch is specified by the pitch specifying means, another pitch is changed by the pitch change instructing means. When the change is instructed, the pitch specified by the pitch specifying means is changed to another pitch according to the pitch change width information stored in the pitch change width information storage means. Pitch change control means for controlling the Electronic musical instrument that. 2. When a corresponding pitch is designated by the pitch designating means, in response thereto, a musical tone is generated at the designated pitch, while on the other hand, the corresponding pitch is designated by the pitch designating means. In the state where the pitch is designated, when the pitch change instructing means gives an instruction to change to another pitch, in response to this, the pitch designated by the pitch specifying means 2. The electronic musical instrument according to claim 1, further comprising musical tone generating means for generating a tone at another pitch according to the pitch change width information stored in the pitch change width information storage means. .. 3. A performance operation state detecting means for detecting a performance operation state, the performance operation state is detected by the performance operation state detecting means, and the corresponding pitch is designated by the pitch designating means. Under the condition, when the pitch change instructing means gives an instruction to change to another pitch, in response to this, the pitch specified by the pitch specifying means is changed to the pitch change. 2. The electronic musical instrument according to claim 1, further comprising: tone generating means for generating a tone at another pitch according to the pitch change width information stored in the width information storage means. 4. The electronic musical instrument according to claim 3, wherein the performance operation state detecting means is a breath operation detecting means for detecting a breath operation state. 5. The electronic musical instrument according to claim 3, wherein the performance operation state detecting means is a string operation detecting means for detecting a string operation state. 6. The electronic musical instrument according to claim 3, wherein the tone pitch designating means and the musical tone generating means are provided in a musical instrument body. 7. When a pitch change width to be changed is designated by the pitch change width designating means, a pitch change width display means for displaying the designated change width of the pitch is further provided. The electronic musical instrument according to claim 1, wherein: 8. The electronic musical instrument according to claim 1, wherein the minimum unit of the pitch change width to be changed by the pitch change width specifying means is a semitone unit or a cent unit. 9. A pitch designating means capable of designating a pitch to be generated, and a plurality of pitches designated to change the pitch designated by the pitch designating means to another pitch. A change instruction means, a pitch change width designating means capable of designating a pitch change width to be changed for each of the plurality of pitch change instruction means, and each sound designated by the pitch change width designating means. For each pitch change width, pitch change width information storage means capable of respectively storing corresponding pitch change width information, and under the condition that the corresponding pitch is specified by the pitch specifying means, When a change to another pitch is instructed by at least one pitch change instructing means of the plurality of pitch change instructing means, the pitch designated by the pitch specifying means is The pitch change width information for each pitch change instruction means An electronic musical instrument comprising: pitch change control means for controlling to change to another pitch according to the pitch change width information stored in the storage means.