JP2616589B2 - Electronic musical instrument - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic musical instrument and, more particularly, to an electronic musical instrument in which a predetermined operator is blinded so as to facilitate operation on an operation panel surface having a large number of operators. The present invention relates to a configuration in which a setting state related to an operator can be easily confirmed without bothersomely releasing a blind state.

[0002]

2. Description of the Related Art In general, electronic musical instruments such as electronic organs and electronic pianos are provided with a large number of controls, such as switches and sliders, on an operation panel surface in order to control various functions. However, since the appearance of the operation panel surface equipped with a large number of controls is complicated,
In particular, for a beginner, operation on the operation panel surface is very complicated and difficult. Therefore, for example, Japanese Patent Publication No. 62-7559 discloses a cover-shaped blinder that can be opened and closed in a rotatable manner on an operation panel surface, and a relatively infrequently used operator is closed when unnecessary. An electronic musical instrument adapted to be blinded is disclosed. By blinding the relatively infrequently used operators, the number of operators exposed on the operation panel surface and seen by a player (user) is reduced, and the operation panel surface is simplified. , Operation can be facilitated.

[0003]

However, in such a conventional electronic musical instrument of this type, every time the operator tries to check the setting status of the operator blinded by the blinder, the user opens the blinder to perform the operation. It was very troublesome because I had to check the setting status of the child.

[0004] The present invention has been made in view of the above points, and an object of the present invention is to provide an electronic musical instrument capable of easily confirming the setting status of a blinded control element without releasing the blind state. is there.

[0005]

In order to solve the above-mentioned problems, an electronic musical instrument according to the present invention comprises: a blinder for blinding a predetermined operation element on an operation panel surface so as not to be exposed on the operation panel surface; Display instruction means for instructing to display the setting status of the operation element blinded by the display device, and display means for displaying the setting status of the blinded operation element according to the instruction by the display instruction means. It is.

[0006]

The blinder means blinds a predetermined operation element, such as an operation element which is used less frequently than other operation elements, from among a large number of operation elements provided on the operation panel surface, and The number of operators exposed on the operation panel is reduced, and the operation on the operation panel surface can be facilitated. The display instructing means instructs, based on the display instruction operation by the player, to display the setting status of the operator blinded by the blinder means. The display means displays a setting status of the blinded operator in accordance with an instruction from the instruction means. In this way, according to the present invention, it is possible to easily confirm the setting status of the blinded operator without bothersomely releasing the blind state.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a block diagram showing an overall configuration of an electronic musical instrument according to one embodiment of the present invention. In this embodiment, the entire electronic musical instrument is controlled by a microcomputer including a CPU (Central Processing Unit) 2, a program ROM 3, data and a working RAM 4. A keyboard circuit 6, a panel circuit 8, a display circuit 9, and a sound source circuit 1 are connected to the microcomputer via a data and address bus 5.
0, a tempo oscillator 11 and the like are connected.

The keyboard circuit 6 is provided corresponding to a keyboard KB provided with a plurality of keys for designating a pitch of a musical tone to be generated, detects a key depression on the keyboard KB, and presses a pressed key. Is output. The panel circuit 8
It is provided corresponding to various operators on the operation panel 12 for setting the tone color, volume, pitch, effect, and the like of a musical tone to be generated, and outputs operation data corresponding to the operation of each operator. The display circuit 9 can display the setting status of various controls on a display 13 composed of, for example, an LCD (liquid crystal display) based on the operation data. The tone generator circuit 10 can generate a tone signal on each of a plurality of channels based on the data and various data such as the key code and operation data input via the address bus 5. Sound source circuit 1
After the D / A conversion, the tone signal generated at 0 is acoustically generated via the sound system. Tempo oscillator 11
Outputs a clock pulse for counting time intervals for various processes and for setting a tempo for automatic performance.

FIG. 2 shows an example of a performance operation section provided with the keyboard KB, operation panel 12 and display 13 in the electronic musical instrument. On the surface of the operation panel 12, a large number of various operators 15 such as switches and sliders are provided, and a display 13 is integrally incorporated. Among the controls 15, those arranged above the display 13 (upward in the figure) are the low-frequency controls 15a that are used less frequently than other controls.
Above the row of the low-frequency operators 15a, a blinder 16 is attached via a hinge or the like, and the blinder 16 blinds the low-frequency operators 15a so as not to be exposed on the surface of the operation panel 12. The position (the position indicated by the two-dot chain line) and the low frequency operator 15 a
Can be rotated between an open position (a position indicated by a solid line) to be exposed on the surface of the optical disc. With such a blinder 16, when it is not necessary to operate the low-frequency operator 15a, the operator 15a can be blinded and the appearance of the surface of the operation panel 12 can be simplified, so that the operation can be facilitated.

The low-frequency operator 15a to be blinded by the blinder 16 includes, for example, a plurality of function switches displaying "F1" to "10". Among these function switches, a split point setting switch (hereinafter, referred to as an F1 switch) indicated as "F1" is used for the high performance in the split performance in which two types of timbres are played by a high-frequency part and a low-frequency part of the keyboard KB. This is for setting a key that is a boundary between a part and a bass part. In addition, a foot switch function setting switch (hereinafter, referred to as an F2 switch) displayed as “F2” sets any one of functions such as rhythm start / stop and harmonize on / off to the foot switch. It is for. Further, "F
A transpose setting switch (hereinafter, referred to as F3 switch) indicated as "3" is for setting a transposition width. The display circuit 9 includes the low-frequency operator 1
When the blind 5a is blinded by the blinder 16, the setting relating to the specific low-frequency operation element 15a can be performed without releasing the blind state, that is, without rotating the blinder 16 from the closed position to the open position. A screen showing the situation can be displayed on the display 13. In this embodiment, it is assumed that the specific low-frequency operator 15a whose setting status is to be displayed is only the F1, F2, and F3 switches. Also, a screen (shown in (a) of FIG. 5) showing the setting status related to the F1 switch is on page 1, and a screen (shown in (b) of FIG. 5) showing the setting status of the F2 switch is on page 2.
Is referred to as a page 3 (shown in (c) of FIG. 5) showing the setting status of the F3 switch. Further, a predetermined normal screen (not shown) displayed when pages 1, 2, and 3 are not displayed is referred to as page 0. The page number displayed on the display 13 is stored in the data and page number register PAGE prepared in a predetermined area of the working RAM 4.

Further, at a position adjacent to the display 13, there are provided page changeover switches 18a and 18b for switching the page displayed on the display 13 to a desired one of the pages 1, 2, and 3. .
The page changeover switch 18a sequentially switches the pages in the direction of pages 1, 2, 3, 1, 2, and 3,
The page changeover switch 18b is connected to the pages 3, 2, 1,.
This is for sequentially switching in the directions of 3, 2, and 1.
Further, the switches 19 on which "-" and "+" are displayed are displayed.
Is a switch for changing the set value on the page displayed on the display 13, and changes the set value in the minus direction by the “−” switch 19 and changes the set value in the plus direction by the “+” switch 19. be able to. Further, an operation indicator 17 composed of a seven-segment light emitting diode or the like indicates an operation related to a page displayed on the display 13.

Next, an example of the processing executed by the CPU 2 will be described with reference to the flowcharts shown in FIGS. In the main routine of FIG. 3, after a predetermined initial setting, a routine of a panel process, a keyboard process, and other processes is repeated. In the panel processing, the operation panel 12
Scans each of the controls in step (1) to detect the on / off state, and performs various processing based on the detection. In the keyboard processing, each key switch in the keyboard circuit 6 is scanned to detect its on / off state, and based on the detection, key-on event processing or key-off event processing is performed. The CPU 2 executes the panel processing shown in FIG. 4 every time the page changeover switches 18a and 18b are pressed in the course of the main routine.

That is, first, the page switch 1
8a is pressed, the page number register PAGE
It is determined whether or not the current value of is 3 (step 2
0). If the determination result is NO, 1 is added to the value of the page number register PAGE (step 2).
1) After that, a page having a number corresponding to the latest value of the page number register PAGE is displayed on the display 13 (step 22), and other necessary panel processing is performed (step 23). If the determination result in step 20 is Y
ES, that is, if the current value of the page number register PAGE is 3, the value of the page number register PAGE is changed from 3 to 0 (step 24), and thereafter, the value of the number corresponding to the latest value of the page number register PAGE is set. The page, that is, the normal screen of page 0 is displayed (step 22).

When the page switch 18b is depressed, it is determined whether the current value of the page number register PAGE is 0 (step 25). If the determination result is YES, the value of the page number register PAGE is changed from 0 to 3 (step 26), and thereafter, the page of the number corresponding to the latest value of the page number register PAGE,
That is, the screen of page 3 is displayed (step 2
2). If the result of the determination in step 25 is N0, that is, if the current value of the page number register PAGE is not 0, 1 is added to the current value of the page number register PAGE.
Is subtracted (step 27), and then the page having the number corresponding to the latest value of the page number register PAGE is displayed (step 22).

Further, two page changeover switches 18
When a and 18b are pressed simultaneously, the value of the page number register PAGE is set to 0 (step 28),
Is displayed (step 22).

Next, an example of the operation of the electronic musical instrument according to the present invention will be described. Assume that the value of the page number register PAGE is 0 in the initial state. For example, when the player wants to check the setting status of the F1 switch, he or she presses one of the page changeover switches 18a and 18b. At this time, when the page switch 18a is pressed, the value of the page number register PAGE switches from 0 to 1, and the display 13 displays, for example, a page 1 screen as shown in FIG. On this screen,
The upper part shows the setting contents, and the lower part shows the setting status.
When the page switch 18b is pressed, first, the value of the page number register PAGE is changed from 0 to 3
The display 13 is switched to, for example, (c) of FIG.
(In this screen, the setting contents are displayed on the left side, and the setting status, that is, the width of transposition is displayed on the left side), so that the player can perform the operation twice more continuously. Press the switch 18b. When the page switch 18b is pressed a total of three times in this manner, the value of the page number register PAGE finally changes from 0 to 3 initially.
, And the screen of the page 1 is displayed on the display 13 as desired. To check the setting status of the F2 switch for setting the foot switch function immediately after that, the page switch 18a may be pressed once. As a result, the value of the page number register PAGE switches from 1 to 2, and the display 1
3 displays a page 2 screen as shown in FIG. In this screen, the setting contents are shown in the upper part, and the functions of the set foot switches are shown in the lower part.

The present invention is not limited to a rotary type blinder but may be applied to an electronic musical instrument employing a blinder that opens and closes in a sliding manner or another type of blinder. In the above-described embodiment, only the setting status related to the split point setting, the foot switch function setting, and the transpose setting switch is displayed. However, the setting status related to the other low-frequency operators that are blinded is displayed. Needless to say, it may be displayed.

[0018]

As described above, according to the present invention, the setting status of the blinded operator can be appropriately displayed by the display means, so that the setting status of the blinded operator can be displayed in the blind state. This provides an excellent effect that confirmation can be easily made without bothersome cancellation.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an overall configuration of an electronic musical instrument according to one embodiment of the present invention.

FIG. 2 is a schematic plan view showing a performance operation unit of the electronic musical instrument according to the embodiment.

FIG. 3 is a flowchart illustrating an example of a main routine executed by a CPU in FIG. 1;

FIG. 4 is a flowchart showing an example of panel processing executed by the CPU in FIG. 1;

FIG. 5 is an exemplary view for explaining an example of the operation of the electronic musical instrument according to the embodiment.

[Explanation of symbols]

2 CPU, 3 program ROM, 4 data and working RAM, 8 panel circuit, 9 display circuit, 13 display, 16 blinder, 18
a, 18b ... Page changeover switch

Claims (1)

(57) [Claims] 1. A blinder means for blinding a predetermined operation element on an operation panel surface so as not to be exposed on the operation panel surface, and a display instruction for instructing to display a setting status of the operation element blinded by the blinder means. An electronic musical instrument comprising: a display unit configured to display a setting status of the blinded operator in accordance with an instruction from the instruction unit.