JP2586227B2 - 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 capable of easily performing a copy performance imitating an automatic performance music.

[0002]

2. Description of the Related Art As an electronic musical instrument, there is an electronic musical instrument in which a plurality of demonstration songs (demo songs) for performing a model performance by the electronic musical instrument are automatically stored. Further, in such an electronic musical instrument, as a method for determining various setting states (hereinafter referred to as registration) when a demo music is automatically played (demo performance) and then returned to a normal manual performance mode, (1) At the time of transition from the automatic performance mode to the manual performance mode after the performance of the demo music, the registration at the time when the performance of the last demo music is completed is stored and stored as the registration after returning to the manual performance mode. A method to reproduce the registration that has been done, or (2)
When transitioning from the manual performance mode to the automatic performance mode to automatically play the demo song, the registration in the manual performance mode immediately before the transition is stored, and the registration is stored as the registration after returning from the manual performance mode. It uses a method that reproduces the existing registration.

[0003]

However, since the registration of the automatic performance is generally switched with the progress of the automatic performance, the registration at the end of the performance of the demo music is reproduced as it is. For an electronic musical instrument that adopts the method (1),
If the user wants to perform a copy performance in a manual performance mode after the demonstration song has been performed, a registration different from the registration at the start of the demonstration song will be reproduced. There was a problem that a satisfactory copy performance could not be performed without registration. Also, on the other hand,
Even in an electronic musical instrument adopting the method of (2) above, in which the registration in the manual performance mode immediately before the shift to the automatic performance mode is reproduced, a copy performance of the demo music is manually performed after the demonstration music is completed. When performing in the mode, the player must re-set the registration of the tone color, the automatic accompaniment pattern, the volume of each performance part, etc. so as to correspond to the registration of the demo song, which is very troublesome. There was a problem that was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electronic musical instrument which can easily perform satisfactory copy performance of automatic performance music.

[0005]

An electronic musical instrument according to a first aspect of the present invention inputs sounding instructing means for instructing generation of a musical tone and setting information for setting various states of a musical tone to be generated, and according to the setting information. Tone signal generating means for generating a tone signal in which various states of the tone are set in accordance with the instruction of the tone instructing means, and performance information indicating each tone to be sequentially emitted with respect to an automatic performance music composed of a predetermined performance sequence First storage means for storing a plurality of sets of the setting information which are switched in accordance with the progress of the performance sequence; selection means for selecting to play the automatic performance music; Is selected, a performance sequence is started, and the performance information and the setting information are read out from the first storage means in accordance with the progress of the performance sequence, and the read-out setting is read. Automatic performance control means for generating, based on the read performance information, a tone signal in which various states of the musical tone are set in accordance with the information; and setting information initially read from the first storage means in the performance sequence. And the setting information stored in the second storage means is input to the tone signal generating means so that the setting according to the setting information can be performed in the tone signal generating means after the automatic performance is completed. And control means for performing the control.

An electronic musical instrument according to a modification of the present invention includes the same tone generation instruction means, tone signal generation means, selection means, and automatic performance control means as those of the first invention, and the first storage means. Means for storing a plurality of sets of setting information read out from the means, and setting information stored in the second storing means, which is selected and input to the tone signal generating means, and after completion of the automatic performance, Control means for enabling the tone signal generating means to make settings according to the setting information.

[0007]

In the present invention, the tone signal generating means inputs various setting (registration) information for setting various states of the tone to be generated, and generates a tone signal in which various states of the tone are set according to the setting information. For example, it is generated in response to an instruction from a sounding instruction unit such as a keyboard.
The first storage means stores performance information indicating each sound to be sequentially generated and a plurality of sets of the setting information which are switched in accordance with the progress of the performance sequence, for an automatic performance music composed of a predetermined performance sequence. It is. When the automatic performance music piece is selected by the selection means, the automatic performance control means starts a performance sequence of the automatic performance music piece, and stores the performance data from the first storage means in accordance with the progress of the performance sequence. The information and the setting information are read, and a tone signal in which various states of the tone are set according to the read setting information is generated based on the read performance information. When the automatic performance is started in this way, the second storage means stores the setting information of the automatic performance tune read from the first storage means in the performance sequence first. The control means inputs the setting information stored in the second storage means to the musical tone signal generating means, and allows the musical tone signal generating means to perform a setting according to the setting information after the automatic performance of the automatic performance music is completed. It is equipped with As described above, according to the present invention, the first setting information of the automatic performance music is stored, and the setting according to the stored first setting information is reproduced after the end of the automatic performance. When a copy performance of an automatic performance music is performed by manual performance, unlike the reproduction of the setting according to the last setting information of the automatic performance music, it can be performed in the initial setting state of the automatic performance music, and therefore, it can be easily performed. You will be able to perform a satisfactory copy performance.

In a modification of the present invention, the second
Is not only the setting information initially read from the first storage means in the automatic performance sequence,
The setting information read thereafter is also stored, and the control means selects any desired one of the plurality of setting information stored in the second storage means and inputs it to the tone signal generating means. After the automatic performance, the tone signal generating means makes settings in accordance with the desired setting information.
As described above, according to the present invention, the setting according to the desired setting information is reproduced after the end of the automatic performance, so that when the copy performance of the automatic performance music is performed by the manual performance after the end of the automatic performance, You will be able to perform a satisfactory copy performance.

[0009]

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 the overall configuration of an electronic musical instrument according to an embodiment of the present invention. In this embodiment, the control of the entire electronic musical instrument is performed by a central processing unit (CPU) 2, data and a program ROM (ROM). This is performed by a microcomputer including a ROM 3 and a data and working RAM (hereinafter, RAM) 4. A keyboard circuit 8, a display circuit 9, a panel circuit 10, a sound source circuit 11, and the like are connected to the microcomputer via a data and address bus 6.

The keyboard circuit 8 comprises a plurality of key switches provided in correspondence with a keyboard KB having a plurality of keys for setting a pitch of a musical tone to be generated, and a change from a key release to a key press. , A key-off event signal is output in response to a change from key depression to key release, and a key code indicating a key associated with each key event is output.

The panel circuit 10 is provided corresponding to operators such as various switches provided on an operation panel 12 for selecting, setting or controlling the pitch, tone, volume, effect, and the like of a musical tone to be generated. And outputs operation data corresponding to an operation on each of the operating elements.

The operators on the operation panel 12 include a plurality of manual operator groups 12A for selecting, setting, or controlling the pitch, tone, volume, effect, and the like of the musical tone to be generated by manual operation, and each manual operation group. Registration operator group 12 in which different combinations of the setting states of child groups 12A are preset.
B and a demo performance related operator group 12C to be described later. Each registration operator group 12B, when turned on, makes it possible to realize a preset predetermined registration without having to operate each manual operator group 12A.

FIG. 2 shows a detailed example of the demo performance related operator group 12C. In order to automatically perform the demo music, the operation mode of the electronic musical instrument is switched from the manual performance mode to the demo performance mode. And a demo music selection switch 15 which is turned on to select any of a plurality of demo songs after the demo performance mode is switched. Each of the switches 14 and 15 is provided with an LED (light emitting diode) indicating lamp 16 for displaying ON / OFF of the switch.

The display circuit 9 turns on and off the LED display lamp 16 in accordance with the on / off operation of the switches 14 and 15. The tone generator circuit 11 can generate a tone signal on each of a plurality of channels based on the data and the key code, key-on event signal, operation data and the like input via the address bus 6. This tone generator circuit 11
Is generated acoustically via the sound system SS after D / A conversion. Timer 18
It generates a tempo clock pulse for automatic performance or the like. For example, the CPU 2 sets the timing at which the CPU 2 reads out the automatic performance information of a plurality of demo songs stored in the ROM 3, that is, sets the tempo of the automatic performance.

FIG. 3 shows the demo song information stored in the ROM 3 as shown in FIG. 3. The automatic performance information for each demo song includes performance information indicating each key to be sequentially sounded according to a predetermined automatic performance sequence. Is stored, and a header section stores a plurality of types of registration information including sets of tone color numbers, automatic accompaniment pattern numbers, volume information of each performance part, and the like relating to the performance information. The plurality of types of registration information are sequentially read in accordance with the progress of the automatic performance sequence of the demo music, and the performance information includes registration information change instruction information for instructing a change of the registration information to be read. ing. When the automatic performance of the demo music is executed, first, the first registration information in the header portion is read out, and then the performance information is read out.
Is set in accordance with the read-out registration information, whereby the tone generator circuit 11 starts generating a tone signal based on the performance information in the registration in accordance with the registration information. Thereafter, each time there is an instruction by the registration information change instruction information during the progress of such an automatic performance sequence, the next registration information in the header portion is read out, and in the setting state according to the read out registration information. A tone signal is generated. RAM4
The demo music selection flag S that stores "1" when any of the demo music selection switches 15 is turned on
T is prepared.

Next, an example of a process executed by the CPU 2 will be described with reference to flowcharts shown in FIGS. In the main routine of FIG. 4, after predetermined initialization, a routine including panel processing, keyboard processing, clock interrupt processing, and other processing is repeated. An example of the panel processing is shown in FIG. 5, and will be described later with reference to FIG. In the keyboard processing, on / off of each key switch in the keyboard circuit 8 is detected, and when there is a key-on event, predetermined key-on event processing is performed, and when there is a key-off event, predetermined key-off event processing is executed.

In the panel processing shown in FIG. 5, it is first determined whether or not the mode changeover switch 14 is an ON event (step 29). When the determination result is NO, the operation for switching to the demonstration performance mode is not performed. Therefore, the process proceeds to step 30 without performing the process related to the demonstration performance, and in this step 43, the operation corresponding to the operation on the various controls provided on the operation panel 12 other than the demonstration performance related control 12C is performed. Perform other panel processing. If the determination result is YES, the performance mode is switched from the manual performance mode to the demonstration performance mode, and the registration information in the manual performance mode immediately before the mode switching is written in the RAM 4 (step 31). Next, it is determined whether or not the demo music selection switch 15 is an ON event (step 32). When the result of the determination is YES, it means that the demonstration music has been selected by any of the demonstration music selection switches 15, and the value of the demonstration music selection flag ST is set to "1" (step 33). Next, the first registration information of the selected demo song is read, and in step 31, RA
While deleting the registration information written in M4, the registration information read first is stored in RA.
Write to M4 (step 34). Thereafter, a predetermined demonstration performance process according to the normal performance process (this process includes various detailed processes, but for the sake of simplicity, it is described here as a demonstration performance process) is executed (step 35). If the result of the determination in step 32 is NO, it means that the operation for selecting the demo music has not been performed despite the operation for switching to the demo performance mode, and therefore the processing in steps 33 to 35 is performed. Absent.

Thereafter, it is determined whether or not the mode changeover switch 14 is in the off event (step 36). If the determination result is YES, the performance mode is switched from the previous demonstration performance mode to the manual performance mode (step 37), and it is determined whether or not the value of the demonstration music selection flag ST is still "1". (Step 38). When the result of the determination is YES, it is further determined whether or not the performance of the demo music is continuing (step 39). If the decision result in this step 39 is YE
In the case of S, the demo music is continued to be played with the demo music selection switch 15 turned on even though the operation to switch to the manual performance mode is performed. (Step 40), and the process proceeds to the next step 41. If the determination in step 39 is NO, the performance of the demo music has been completed, so the process proceeds to step 41 without interrupting step 40. This step 4
In step 1, the setting state of the tone generator circuit 11 is changed to step 31.
Alternatively, by following the registration information written in the RAM 4 in step 34, the registration just before switching to the demonstration performance mode,
Alternatively, the first registration of the demo song is reproduced as registration after returning to the manual performance mode. That is, when a demo song is selected after switching to the demo performance mode, the first registration of the demo song is reproduced. When the demo song is not selected after switching to the demo performance mode, the demo song is selected. The registration just before switching to the performance mode is reproduced. When the registration is reproduced, the value of the demonstration song selection flag ST is set to "0" (step 42), and the process proceeds to the next step 30. When the demo song is not selected, the registration in the manual performance mode immediately before switching to the demo performance mode is reproduced.
This is to prevent all registrations from being lost when returning to the manual performance mode.

Next, an example of the operation of the electronic musical instrument according to this embodiment will be described. To perform the demonstration music, the performer turns on the mode switch 14. By such a switch operation, in the electronic musical instrument, the processing of the steps 29 and 31 is performed, and the playing mode of the electronic musical instrument is switched from the manual playing mode to the demonstration playing mode, and immediately before the switching to the demonstration playing mode. Registration information in manual performance mode is stored in RAM4
Is stored. Next, when the player turns on any one of the demo song selection switches 15 to select a demo song, the first registration information of the selected demo song is stored in the RAM 4 by the processing of steps 32, 33, 34 and 35. Written. Thereafter, after the performance of the demo music is completed, or when the player turns off the mode switch 14 to interrupt the demo music, the performance mode is changed from the demo performance mode to the manual performance mode by the processing of steps 36 and 37. Switch to. When the mode is switched to the manual performance mode in this way, the processing in step 41
The first registration information of the demo song written in No. 4 is read, and the setting state for the tone generator circuit 11 is set to the one according to the read registration information. Therefore, unless the setting state is changed, when performing a copy performance of the demo music after the demonstration performance, the player can perform a satisfactory copy performance at the first registration of the demo music. .

FIG. 6 is a flowchart showing a modification of the present invention, in which only portions different from the panel processing shown in FIG. 5 are extracted. Step 350 shown in this figure corresponds to step 35 of the panel processing of FIG. 5, and step 410 corresponds to step 41 of FIG. In this modified example, the ROM 3
It is determined whether or not the registration information change instruction information is included in the performance information read from the ROM 3, that is, whether or not the registration information to be read from the ROM 3 should be changed (step 350a). When the determination result is YES, Then, in addition to the first registration information written in the previous step, the next registration information stored in the header portion is read out and written into the RAM 4 (step 350b). Thereafter, the registration reproduction process (step 41) corresponding to step 41 in FIG.
In (0), desired information is selected from a plurality of pieces of registration information written in the RAM 4 and reproduced. Thus, by selecting and reproducing not only the first registration information of the selected demo song but also a plurality of registration information including the first registration information, the demo song can be reproduced. More satisfying copy performance becomes possible.

In the above embodiment, the reproduction of the registration for performing the copy performance of the demonstration music contained in the main body of the electronic musical instrument has been described.
The registration of the automatic performance tune supplied from an external recording medium such as a floppy disk, or the registration of the automatic performance tune created by the player himself may be performed. Further, in the present invention, the reproduction of the registration after the demonstration performance is completed may be reproduction of the entire registration or may be reproduction of a part of the registration. Further, the present invention may be applied to an electronic musical instrument using something other than a keyboard as a sounding instruction means.

[0022]

As described above, according to the present invention, the initial setting information of the automatic performance music is stored, and after the automatic performance, the setting according to the stored initial setting information is reproduced. Therefore, unlike the one that reproduces the last setting information of the automatic performance song, when performing the copy performance of the automatic performance song by manual performance after the automatic performance is completed, it can be performed in the initial setting state of the automatic performance song. Therefore, an excellent effect that a satisfactory copy performance can be performed easily can be obtained. Further, in a modified example of the present invention, a plurality of setting information after the performance of the automatic performance music is started is stored, and after the automatic performance is completed, a setting according to a desired one of the stored plurality of setting information is reproduced. Therefore, when the copy performance of the automatic performance music is performed by the manual performance, a more satisfactory copy performance can be performed.

[Brief description of the drawings]

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

FIG. 2 is a diagram showing demo performance related operators on the operation panel of FIG. 1;

FIG. 3 shows data and a program R of the electronic musical instrument shown in FIG.
The figure which shows the automatic performance information of the demo music stored in OM.

FIG. 4 is a flowchart showing an example of a main routine executed by the micro computer in FIG. 1;

FIG. 5 is a flowchart showing an example of panel processing in FIG. 1;

FIG. 6 is a flowchart showing a modification of the present invention, in which only points different from the processing in FIG. 5 are extracted and shown.

[Explanation of symbols]

2 ... CPU, 3 ... Data and program ROM, 4 ...
Data and working RAM, 10 ... operation panel, 1
1 ... tone generator circuit, 14 ... mode changeover switch, 15 ... demo song selection switch, KB ... keyboard.

Claims (2)

(57) [Claims] 1. A sound generation instruction means for instructing generation of a musical sound,
Setting information for setting various states of a tone to be generated is input, and a tone signal generating means for generating a tone signal in which various states of the tone are set in accordance with the setting information in accordance with an instruction from the sounding instruction means; A first storage means for storing performance information indicating each sound to be sequentially generated and a plurality of sets of the setting information which are switched in accordance with the progress of the performance sequence, Selecting means for selecting to play a performance music, and when a performance is selected by the selecting means, a performance sequence is started, and the performance information is stored in the first storage means in accordance with the progress of the performance sequence. And setting information, and a tone signal in which various states of the musical tone are set according to the read setting information is generated based on the read performance information. Automatic performance control means, second storage means for storing setting information initially read from the first storage means in the performance sequence, and setting information stored in the second storage means for storing the tone data. An electronic musical instrument comprising: a control unit that inputs the signal to the signal generating unit and enables the tone signal generating unit to perform setting according to the setting information after the automatic performance is completed. 2. A sound generation instruction means for instructing generation of a musical tone,
Setting information for setting various states of a tone to be generated is input, and a tone signal generating means for generating a tone signal in which various states of the tone are set in accordance with the setting information in accordance with an instruction from the sounding instruction means; A first storage means for storing performance information indicating each sound to be sequentially generated and a plurality of sets of the setting information which are switched in accordance with the progress of the performance sequence, Selecting means for selecting to play a performance music, and when a performance is selected by the selecting means, a performance sequence is started, and the performance information is stored in the first storage means in accordance with the progress of the performance sequence. And setting information, and a tone signal in which various states of the musical tone are set according to the read setting information is generated based on the read performance information. Automatic performance control means, a second storage means for storing a plurality of sets of setting information read from the first storage means in the performance sequence, and selecting the setting information stored in the second storage means. An electronic musical instrument comprising: a control unit for inputting the setting to the musical tone signal generating unit and performing setting according to the setting information in the musical tone signal generating unit after the automatic performance is completed.