JP2596168B2 - Electronic musical instrument - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic musical instrument that can be used by changing parameter information for creating electronic musical instrument sounds such as timbres that is stored in advance. It is.

[Prior art and its problems] Conventionally, as such an electronic musical instrument, basic parameter information before a change in a basic bank and changed parameter information after a change are stored, respectively, and any of the parameter information is stored. Was selected to generate and emit musical tones.

By the way, in the tone mix mode in which a plurality of tones are simultaneously emitted by one key operation, or in the key split mode in which different tones are assigned to each of a plurality of divided key regions, a plurality of tones, that is, a plurality of pieces of parameter information are used in performing. However, in the above-described conventional device, since there is only one bank for storing the changed parameter information, it is impossible to change both of the plurality of parameter information at one time. The stored parameter information must be stored in the basic bank and then recalled to change it, and the operation is troublesome.

Further, in the performance mode in which a plurality of pieces of parameter information are used at the same time, a tone is generated using a plurality of pieces of changed parameter information, and then a tone is generated using the basic parameter information. However, since there is only one bank for storing the change parameter information as described above, the plurality of change parameter information cannot be temporarily stored and held.

[Purpose of the Invention] The present invention has been made in view of the above-described circumstances, and has as its object to provide a plurality of parameters even in a mode in which a plurality of pieces of parameter information are simultaneously used, such as tone mix and key split. It is an object of the present invention to provide an electronic musical instrument capable of easily changing parameter information individually and storing all of the changed parameters independently for each mode.

[Summary of the Invention] A plurality of sets of mode-specific parameter information storage means for storing a plurality of sets of parameter information for each performance mode and a plurality of sets of pronunciation parameter information storage means for storing pronunciation parameter information used to generate musical tones. In each set of the parameter information storage means, parameter information corresponding to the setting mode among the basic parameter information or the parameter information stored in the mode-specific parameter information storage means is set and stored, and the set and stored parameter information is stored. Is changed and stored again in the mode-specific parameter information storage means for each setting mode.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

In the present embodiment, the basic bank 25, the tone generation bank 26, and the change bank 27 correspond to the basic parameter information storage means, the tone generation parameter information storage means, and the change parameter information storage means, respectively. Tone generation / sound emitting means, tone color key 15 and select key 16 are basic parameter information selecting means, tone mix key 17, key split key 18 and normal key 19 are performance mode setting means, keys 3 to 13 and cursor keys 22a and 22b are The parameter information changing means and the change selection key 20 correspond to the sounding parameter information selecting means, respectively.

<Configuration of Panel Switch Unit 1> FIG. 1 shows the overall circuit of an electronic musical instrument.
Denotes a panel switch unit. The operation keys of the panel switch unit 1 are detected by the CPU 2 and various processes are performed. The panel switch unit 1 is configured as shown in FIG. 3, and the timbres can be preset for 16 sets of two timbres A and B. Each timbre has a basic waveform, a pitch envelope, and a harmonic component key follow. , A harmonic component suppression envelope, a volume key follow, and a volume envelope.
The timbre is selected and designated by 3a, 3b, 4a, 4b, 5a and 5b, and the B timbre is selected and designated by 6a, 6b, 7a, 7b, 8a and 8b. In addition, there is also a parameter of detune (DETUNE) for associating the two timbres, which is selected and designated by the detune key 9. The waveform of each of the above three envelope parameters consists of eight broken lines, and each step point is specified by switching between up and down step keys 10a and 10b. The rate value and level value at each step point are set by + and-value keys 11a and 11b below the LCD (liquid crystal) display unit 21. The sustain point of the envelope waveform is designated by the sustain key 12, and the vibrato key 13 adds vibrato. The reset key 14 is a key for returning parameter information of the tone color once set to an initial value set in a basic bank 25 described later.

The keys 3 to 13 are used not only when newly setting parameter information but also when changing parameter information.

Reference numeral 15 denotes a tone key, which is composed of eight keys and is used to select and designate up to 16 tones by switching the select key 16. Tone mix key 17, key split key 18, normal key 19 are used to set tone mix, key split, normal performance mode,
Tone mix is a mode in which two tones are assigned to each key of the keyboard 23 and two musical tones of electronic musical instruments are simultaneously emitted by one key operation, and key split is performed by dividing the keyboard 23 into two parts. This mode assigns different tones to the key range,
Normal is a mode in which a single tone is assigned to the entire key range of the keyboard 23.

When the change selection key 20 is turned off, the tone set as described above is generated in the basic bank 25 described later, and when turned on, a change bank in which parameter information obtained by changing the parameter information of the tone in this basic bank is stored is stored. These keys are used to sound the set tone. Cursor keys for moving forward and backward beside the + and-value keys 11a and 11b
The keys 22a and 22b are used to set each parameter information of the timbre described above.
Is a key for selecting each parameter displayed in.

<Overall Circuit Configuration> The operation of each key of the panel switch unit 1 is detected by the CPU 2, the LED 24 provided on each key is turned on, and the parameter name and its preset value are displayed on the LCD display unit 21. You. In this case, in the tone mix mode, one of the two tones assigned to each key, the master and the slave, is displayed, and the display contents of the master and the slave are switched by the cursor keys 22a and 22b. This is the same in the key split mode. is there.

The parameter information set by the panel switch unit 1 is sequentially set in the basic bank 25 by the CPU 2. As for the basic parameter information in the basic bank 25, those selected according to the designation of the tone color key 15 and the select key 16 of the panel switch section 1 are set in the tone generation bank 26, and the respective keys 3 to 13 of the panel switch section 1 are set. Is changed in response to the operation of, and the changed change parameter information is
It is set in the change bank 27 by the CPU2. When the change selection key 20 of the panel switch section 1 is turned on, the change parameter information from the change bank 27 is transferred and loaded into the tone generation bank 26, and when the change selection key 20 is turned off,
Basic parameter information from basic bank 25 is pronounced bank 26
Is transferred and loaded.

The parameter information transferred and loaded into the sound generation bank 26 is sent by the CPU 2 to the musical sound generation unit 28, and a key code corresponding to the operation key of the keyboard 23 is transmitted to the musical sound generation unit 28.
When given to 28, a tone signal corresponding to the parameter information is generated, and is output from the speaker 30 through the amplifier 29.

Fig. 4 shows basic bank 25, pronunciation bank 26, change bank
The basic bank 25 stores the parameter information for the above-described 16 tones, and each parameter information is selected from two at the time of tone mixing and at the time of key split. Bank 26
Are set in the first sounding bank 26a and the second sounding bank 26b. At normal time, one parameter information is selected from the 16 tones and set in the first sounding bank 26a.

The changed parameter information set in the first sounding bank 26a and changed by operating the keys 3 to 13 of the panel switch section 1 is stored in the tone mix master change bank 27a in the tone mix mode, and in the key split lower in the key split mode. The data is transferred and copied to the change bank 27c and to the normal change bank 27e at normal time. The changed parameter information set in the second sounding bank 26b and changed by operating each of the keys 3 to 13 of the panel switch section 1 is stored in the tone mix slave changing bank 27b in the tone mix mode, and in the key split mode in the key split mode. The data is transferred and copied to the upper change bank 27d.

FIG. 2 shows various flag registers of the flag register 31 in the CPU. The mode flag is a flag indicating each of the tone mix, key split, and normal modes. The mix slave change select flag, key split lower change select flag, key split upper change select flag, and normal change select flag are sounding banks, respectively.
This is a flag that sets the parameter information set to 26 as the change parameter information of the change bank 27. If this flag is not set, the basic parameter information from the basic bank 25 is set to the sound generation bank 26. The master-side display flag and the lower-side display flag indicate that the contents displayed on the LCD display unit 21 are those of the master-side and the lower-side, and if they are not set, they are the slave-side and the upper-side.

[Operation of Embodiment] Next, the operation of this embodiment will be described.

<Parameter Information Change Process> FIG. 5 shows a process of changing the basic parameter information in the sound generation bank 2, wherein each of the keys 3 to 13 of the panel switch unit 1 is operated to obtain the basic parameter information in the sound generation bank 26. Is started when is changed. That is, according to the flag in the flag register 31, if the mode is the normal mode (step A1), the CPU 2 transfers and copies the change parameter information in the first sounding bank 26a to the normal change bank 27e (step A5).

If it is determined based on the flag in the flag register 31 that the upper-side parameter information has been changed in the key split mode (steps A1 to A3), the CPU 2
Makes the transfer parameter information of the second sounding bank 26b a transfer copy to the key split upper changing bank 27d (step A6). Thereafter, if the lower-side parameter information is changed (steps A1 to A3), the CPU 2 immediately transfers and copies the changed parameter information in the first sounding bank 26a to the key split lower changing bank 27c (step A7).

Further, if it is determined that the parameter information on the slave side has been changed in the tone mix mode based on the flag in the flag register 31 (steps A1, A2, A
4), the CPU 2 transfers and copies the changed parameter information in the second sounding bank 26b to the tone mix slave changing bank 27b (step A8). Thereafter, if the parameter information on the master side is changed (steps A1, A2, A4), the CPU 2 immediately transfers and copies the changed parameter information in the first sound generation bank 26a to the tone mix master change bank 27a (step A5). .

Thus, after the parameter information on the slave side is changed in the tone mix mode, the parameter information on the master side can be changed immediately without the need to write the changed parameter information into the basic bank 25. Even when the information is changed, the change parameter information on the slave side is not lost and is stored and held in the tone mix slave change bank 27b. This is the same in the key split mode.

<Sound Production Process> FIG. 6 shows a process of producing a tone according to the parameter information of the pronunciation bank 26 in response to a key operation of the keyboard 23. When there is a key operation on the keyboard 23, the CPU 2 determines the current mode from the contents of the flag register 31, and if it is the tone mix mode (step B1), the CPU 2 sends the parameter information to the first and second sounding banks 26a, b. Transfer loading (step B3), of which the parameter information of the first sounding bank 26a is transferred and loaded as tone color parameter information on the master side to the tone generator 28 (step B4), and the parameter information of the second sounding bank 26b is transferred to the slave side. Is transferred to the tone generator 28 as the tone color parameter information. (Step B5).

If it is in the key split mode (step B1,
B2), the parameter information is transferred and loaded to the first and second sounding banks 26a, 26b (step B6), and the parameter information of the first sounding bank 26a is transferred and loaded to the tone generator 28 as lower-side tone color parameter information. (Step B
7) The parameter information of the second tone generation bank 26b is transferred and loaded to the tone generator 28 as upper tone color parameter information (step B8).

In the normal mode (steps B1, B
2) Transfer and load the parameter information to the first sounding bank 26a (step B9), and transfer and load the parameter information of the first sounding bank 26a to the tone generator 28 as parameter information of the entire key range of the keyboard 23 (step B9). B10).

Thus, in each mode, a musical tone corresponding to the set or changed parameter information is generated and emitted.

<Transfer loading processing of tone parameter information to tone generation bank at the time of tone mixing> FIG. 7 shows transfer loading processing of tone parameter information to the tone generation bank at the time of tone mixing. This processing is shown in FIG. This is a subroutine of step B3. That is, if the tone parameter information on the master side is selected on the change parameter information side by turning on the change select key 20 and the tone mix master change selection flag is set (step C1), the tone mix master change bank 27a Is transferred to the first sounding bank 26a (step C2), otherwise, the basic parameter information of the basic bank 25 designated by the tone key 15 is transferred and loaded to the first sounding bank 26a (step C2). C3).
If the tone parameter information on the slave side is also changed by the change operation of the change selection key 20 and the tone mix slave change selection flag is set (step C4), the CPU 2 sets the tone mix slave change bank. Transfer and load the changed parameter information of 27b to the second sounding bank 26b (step C5); otherwise, transfer and load the basic parameter information of the basic bank 25 designated by the timbre key 15 to the second sounding bank 26b (step C5). Step C6).

In this way, by turning on / off the change selection key 20, the difference between the basic parameter information and the change parameter information is selected, and the timbre based on the basic parameter information and the timbre based on the change parameter information can be compared.

<Transfer loading of timbre parameter information to tone generation bank at key split> FIG. 8 shows transfer loading of timbre parameter information to tone generation bank at the time of key split. This is a subroutine of step B6. That is, if the tone parameter information on the lower side is changed on the change parameter information side by turning on the change selection key 20 and the key split lower change selection flag is set (step D1), the key split lower change bank 27 Is transferred to the first sounding bank 26a (step D2). Otherwise, the basic parameter information of the basic bank 25 designated by the tone key 15 is transferred and loaded to the first sounding bank 26a (step D2). D3).
If the change parameter information is selected by turning on the change selection key 20 for the tone parameter information on the upper side and the key split upper change selection flag is set (step D4), the CPU 2 sets the key split upper change bank. The change parameter information of 27d is transferred and loaded to the second sounding bank 26b (step D5), otherwise, the basic parameter information of the basic bank 25 specified by the tone color key 15 is transferred and loaded to the second sounding bank 26b (step D5). Step D6).

In this way, by turning on / off the change selection key 20, the difference between the basic parameter information and the change parameter information is selected, and the timbre based on the basic parameter information and the timbre based on the change parameter information can be compared.

<Normal Transferring and Loading of Tone Parameter Information to Sounding Bank> FIG. 9 shows normal loading and transferring of tone parameter information to the sounding bank. This process is performed in step B9 of FIG. Subroutine. That is,
When the tone parameter information during the normal performance is changed to the changed parameter information by turning on the change selection key 20 and the normal change selection flag is set (step E1), the changed parameter information of the normal change bank 27e is read. The transfer is loaded to the first sounding bank 26a (step E2). Otherwise, the basic parameter information of the basic bank 25 specified by the tone color key 15 is transferred and loaded to the first sounding bank 26a (step E3).

In this way, by turning on / off the change selection key 20, either the basic parameter information or the change parameter information is selected, and the timbre based on the basic parameter information and the timbre based on the change parameter information can be compared.

In the above embodiment, the tone color parameter information used in each of the tone mix mode and the key split mode is two, but the number may be three or more. for that purpose,
There are three or more sound banks 26, change banks 27a and 27b for tone mix, and change banks 27c and d for key split.
May be three or more.

Further, in the above embodiment, the parameter information is set or changed by each of the keys 3 to 13 of the panel switch unit 1. However, other than this, portamento, modulation,
Various effects and rhythms of the bender may be included. The basic parameter information may be set using the keys 3 to 13 of the panel switch unit 1 or may be stored in a ROM or the like in advance. The various performance modes using the parameter information at the same time may be other than tone mix and key split.

[Effects of the Invention] A plurality of sets of mode-specific parameter information storage means for storing a plurality of sets of parameter information for each performance mode and a plurality of sets of pronunciation parameter information storage means for storing pronunciation parameter information used to generate musical tones are provided. In each set of the parameter information storage means, parameter information corresponding to the setting mode among the basic parameter information or the parameter information stored in the mode-specific parameter information storage means is set and stored, and the set and stored parameter information is stored. Is changed and stored again in the parameter information storing means for each mode for each setting mode. Therefore, even in a mode in which a plurality of pieces of parameter information are used simultaneously, such as tone mix and key split, one piece of parameter information is stored. After changing, bother to change other parameter information It is not necessary to write the parameter information that has been changed once in the basic bank, and it is possible to easily perform the operation of changing the parameter information and to store a plurality of pieces of changed parameter information. Even when the parameter information is being changed, other parameter information is not lost, and the effect is obtained that all the changed parameter information can be held.

[Brief description of the drawings]

1 is an overall circuit diagram of the electronic musical instrument, FIG. 2 is a diagram showing a configuration of a flag register 31, FIG. 3 is a diagram showing each key of the panel switch unit 1, and FIG. 4 is a diagram showing a flow of parameter information. 5 to 9 show tone parameter information change processing, tone generation processing, transfer of tone parameter information during tone mixing to tone generation bank 26, and transfer of tone parameter information during key split to tone generation bank 26, respectively. FIG. 8 is a flowchart of a load process and a transfer load process of transferring tone parameter information to the tone generation bank 26 in a normal state. 1 ... panel switch section, 2 ... CPU, 3 to 13 ... keys for setting and changing parameter information, 15, 16 ... keys for selecting basic parameter information, 17 to 19 ... keys for setting performance mode , 20 ... change selection key, 23 ... keyboard, 25 ... basic bank, 26 ... sounding bank, 27 ... change bank, 28 ...
Tone generator, 30 ... Speaker.

Claims (3)

(57) [Claims] 1. A plurality of sets of sounding parameter information storage means each capable of storing parameter information for musical tone generation, a performance mode setting means for setting various performance modes simultaneously using the plurality of sets of parameter information, Mode-specific parameter information storage means capable of storing parameter information for each performance mode set by the performance mode setting means; basic parameter information storage means for storing a plurality of sets of basic parameter information for musical tone formation; For each set of parameter information storage means, any one of a plurality of sets of basic parameters stored in the basic parameter information storage means or a plurality of basic parameters stored in the mode-specific parameter information storage means A parameter corresponding to the performance mode set by the performance mode setting means out of the set of parameters. First storage control means for selecting and storing any one of the meter information; changing means for changing parameter information stored in each set of the sounding parameter storage means; and storage in the sounding parameter information storage means. A second storage control unit for storing the plurality of sets of parameter information set in the mode-specific parameter information storage unit in correspondence with the performance mode set by the performance mode setting unit; An electronic musical instrument comprising: a tone generation / sound emitting means for generating a tone according to parameter information to be read. 2. The performance mode setting means includes a mode in which a key range of a keyboard is divided into a plurality of ranges and different sounding parameter information is set for each key range, and the same parameter information is set in all key ranges. 2. The electronic musical instrument according to claim 1, wherein said electronic musical instrument is means for selecting and setting a mode to perform. 3. The performance mode setting means is a means for selectively setting a setting mode for setting a plurality of parameter information for each key of the keyboard and a mode for setting a single parameter information. The electronic musical instrument according to claim 1, wherein the utility model is registered.