JPH0792665B2 - Parameter setting device for electronic musical instruments - Google Patents

Description

The present invention relates to a parameter setting device for an electronic musical instrument, and more particularly to a device for controlling the content of a selected tone color parameter according to the operation of an operator. .

[Conventional technology]

Japanese Patent Laid-Open No. 58-211784 discloses a memory device for storing parameter information corresponding to each parameter name (for example, a tone color name), a setting operator common to each parameter for setting the parameter information, and a parameter name. There is disclosed an electronic musical instrument parameter setting device including a selection switch for selecting. By storing the parameter information set by the setting operator in the memory device corresponding to the parameter name selected by the selection switch, the parameter information corresponding to each parameter name can be arbitrarily set. The change or control of the parameter information once set can be performed by performing desired setting with the operator as in the setting.

[Problems to be solved by the invention]

According to the above-mentioned conventional technique, since the setting operator is commonly used for each parameter name, there is an advantage that the configuration is simple, but the control amount (setting amount) corresponding to each operation position of the operator is Since all parameters are common, there is a problem that all parameters can be controlled only in the same manner. For example, when setting and controlling the rise time of the envelope, it may be desirable to set the controllable time width to be sufficiently long depending on the timbre, and the controllable time width for another timbre may be short. Some are better, but it is better to control with fine resolution. However, the conventional devices cannot set and control such settings because they can be set and controlled only in a uniform manner.

The present invention has been made in view of the above points, and in the case of performing setting / control of each tone formation parameter using an operator for setting / controlling a plurality of tone formation parameters commonly used for each tone color. , So that the degree of effectiveness of each operator can be appropriately variably controlled according to each tone color,
An object of the present invention is to provide a parameter setting device devised so as not to feel unnatural when a tone color is changed.

[Means for Solving the Problems]

The parameter setting device for an electronic musical instrument according to the present invention corresponds to a selection means for selecting a tone color and a plurality of different tone formation parameters, and can be set in any of a plurality of operation stages. A plurality of manipulators for setting and controlling the value of the corresponding tone forming parameter to contents corresponding to the manipulating stage, and each manipulating stage of each manipulator corresponding to the tone color selected by the selecting means. The control information corresponding to the control information supply means for supplying the control information corresponding to the current operation stage of each operator, the event detection step for detecting a tone color selection event in the selection means, In response to the tone color selection event detected by the event detection means, the supply of the control information by the control information supply means corresponding to the current operation stage of each operator is invalidated. , A control means for supplying predetermined standard control information for each of the operators corresponding to the newly selected tone color, and the control supplied by the control information supply means or the control means. According to the information, the tone formation parameters corresponding to each operator are controlled,
It is characterized in that the tone color selected by the selecting means is set and controlled by a combination of these controlled tone forming parameters.

[Operation and effect of the invention]

For reference, the correspondence between the above configuration and the embodiments described below is as follows.

The selection means for selecting a tone color is an orchestra tone color selection switch 11 (FIG. 1), a plurality of operators are digital synthesizer operators 12a to 12f (FIG. 1), and a control information supply means is an edit parameter memory 15f. (FIG. 1) and its related circuits (steps 70 and 71 in FIG. 11), the event detecting means is a circuit for detecting a switch ON event of the orchestra tone color selection switch 11 (FIGS. 6 and 7). The control means correspond to the orchestra tone color parameter memory 15a (FIG. 1) and its related circuit (control means 35 in FIG. 4, step 39 in FIG. 7), respectively.

A plurality of different tone formation parameters (for example, waveform WAVE, frequency ratio SPECTRIM, modulation degree MODULATIO in the embodiment).
N, attack rate ATTACK, decay rate DECAY, volume
VOLUME, etc., each corresponding to multiple controls (12a-12
f) is provided, and the setting operation can be performed at any of a plurality of operation stages (operation positions 1 to 5). The control information supply means (11, 70, 71) sets control information corresponding to each operation stage of each operator (12a to 12f) corresponding to the tone color selected by the selection means (11), The control information corresponding to the current operation stage of each operator is supplied. The tone formation parameters corresponding to each operator are individually controlled according to the supplied control information, and the selected tone color setting / setting is performed by the combination of these controlled tone formation parameters.
Control is made.

The control information supply means sets the control information corresponding to each operation stage of each operator corresponding to the tone color selected by the selection means, so that the control corresponding to each operation stage corresponding to the selected tone color. The information content will be different. This allows
Even with the same operator, the degree of effectiveness can be appropriately variably controlled according to each tone color, so that the setting and control of musical tone forming parameters can be performed efficiently and appropriately. It has the effect of becoming.

When the event detection means detects the tone color selection event in the selection means (11), the control means (15a, 35, 39)
Disables the supply of control information by the control information supply means (11, 70, 71) corresponding to the current operation stage of each operator (12a to 12f) and replaces it with the newly selected tone color. It supplies predetermined standard control information for each corresponding operator.
As a result, the current operation stage (operation position 1) of each operator, which has been set corresponding to the selected tone, has been set.
5), the contents of the tone forming parameters corresponding to the respective operators become standard values for the new timbre. Therefore, when the timbre is changed, the contents of each tone forming parameter are always automatically set to the standard state at the beginning, and it is possible to prevent unnaturalness when changing the timbre. After that, since the control can be started from the standard state in order to set / control each tone formation parameter by operating the operator, it is very easy to use.

〔Example〕

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a block diagram showing a hardware configuration of an electronic musical instrument to which the present invention is applied, and a part of the panel operating section 10 is shown by an external view.

The panel operation part 10 is an orchestra tone color selection switch 11
, A digital synthesizer (hereinafter abbreviated as DS) operator 12, an automatic bass chord (hereinafter abbreviated as ABC) tone color selection operator 13, and another operator 14. The orchestra tone color selection switch 11 has a plurality of push-type switches PS corresponding individually to a plurality of (21 types in the figure) tone colors.
The switches PSW are arranged in rows and columns, and a total of 10 light emitting diode LEDs are provided corresponding to 3 rows and 7 columns. The row LED and the column LED corresponding to the selected tone color matrix position are lit at the same time to reveal the selected tone color name. It should be noted that a display showing a tone color name is attached to the upper side of each tone color selection switch 11. Such a determinant LED display is advantageous in saving the number of LEDs. The orchestra tone color selection switch 11 is for selecting a tone color of a musical tone to be generated in a musical tone generation sequence called an orchestra system for convenience. In other words, it is a means for selecting a musical tone forming parameter in the musical tone generation sequence. .

The DS operator 12 includes a plurality of operators 12a to 12f corresponding to a plurality of types of parameters for forming a tone color. Each of the operating elements 12a to 12f is composed of, for example, a 5-step slide type switch. The content of the parameter is set according to the operating state (operating positions 1 to 5) of the operators 12a to 12f. This DS operator 12 has two functions. One is a unique tone synthesis function in the digital synthesizer mode, and the other is an orchestra tone color setting / control function in the edit mode. A push-type DS switch (DS / SW) is provided to switch between these modes. this
The mode switches each time the DS switch is pressed, and the attached LED lights up in the digital synthesizer mode and goes out in the edit mode.

The ABC tone color selection operator 13 comprises a bass tone color selection operator 13a and a chord tone color selection operator 13b. Each of the operating elements 13a and 13b is a five-step slide type switch, and the operating positions 1 to
A predetermined bass tone or chord tone is selected according to 5. The push-type ABC switch (ABC / SW) is for switching on / off of automatic bass chord performance. Each time it is pressed, it switches on / off, and when it is on, the attached LED lights up. The fifth operation position of the ABC tone color selection operator 13 corresponds to the specific tone color and the tone color set by the DS operator 12, and in the digital synthesizer mode, the tone color synthesized by the DS operator 12 is ABC. Tone selection control 13
The selected tone color is selected corresponding to the fifth operation position, but in the edit mode, the specific tone color assigned to the fifth operation position is selected. The digital synthesizer mode is originally for orchestral tone color synthesis, but when the fifth operation position of the operator 13a or 13b is selected in the ABC mode, the tone color synthesized by the DS operator 12 is changed. It will be used for automatic bass chord tones. At this time, in the orchestra system, the DS operator
Since the timbre synthesized in 12 can no longer be used, it is devised to restore the orchestral timbre selected by the orchestral timbre selection switch 11 immediately before that.

The tone data memory 15 is composed of a ROM (Read Only Memory) and includes memories 15a to 15f which store data for setting a tone color.

The orchestra tone color parameter memory 15a stores in advance parameter data corresponding to 21 kinds of tone colors selectable by the orchestra tone color selection switch 11, and the parameter data of the tone color selected by the switch 11 is read out.

The chord tone color parameter memory 15b stores in advance parameter data corresponding to five kinds of tone colors selectable by the chord tone color selecting operator 13b, and the parameter data of the tone color selected by the operator 13b is read out. Similarly, the bass tone color parameter memory 15c stores parameter data of five types of tone colors selectable by the bass tone color selection operator 13a.

In this embodiment, one timbre has a waveform (WAVE) and a frequency ratio (SP
ECTRUM), Modulation (MODULATION), Attack rate (AT
TACK), decay rate (DECAY), volume (VOLUME),
It is formed by 6 types of parameters. Each of the parameter memories 15a to 15c stores these six types of parameters for each tone color.

The synthesizer parameter memory 15e is used for each of the operators 12a to 12f of the DS operator 12 in the digital synthesizer mode.
The parameter data corresponding to each of the five operation positions are stored in advance. Each operator 12a to 12f corresponds to the above-mentioned six types of parameters (WAVE to VOLUME). Arbitrary parameter data is read from the memory 15e for each parameter according to the operation position of each operator 12A to 12f. In the digital synthesizer mode, one tone is composed of 6
By freely setting the contents of the parameters of each type individually by the operators 12a to 12f, it is possible to freely synthesize the timbre.

The edit parameter memory 15f includes a plurality of sets of edit parameter data (parameters for setting and controlling the tone forming parameters) corresponding to the five-step operation positions of the operators 12a to 12f of the DS operator 12 in the edit mode. I remembered it. In the edit mode, the parameters of the tone color selected by the orchestra tone color selection switch 11 are set and controlled by the corresponding operators 12a to 12f. The edit parameters stored in the edit parameter memory 15f have contents suitable for setting or controlling such parameters. However, the edit parameter memory 15f stores not only one set but also a plurality of sets of edit parameter data corresponding to the five-step operation positions of the operators 12a to 12f. Each set corresponds to a group of orchestra timbres, and one set of edit parameters is selected for each of the manipulators 12a to 12f in accordance with the timbre selected by the orchestra timbre selection switch 11, and among them, each manipulator 12a is selected. The edit parameters corresponding to the operation position for each 12f are read from the memory 15f.

The timbre group memory 15d stores the above-mentioned grouping of orchestral timbres, and reads out information of a group to which the timbre belongs, which is selected by the orchestra timbre selection switch 11 according to the timbre. A set of edit parameters in the edit parameter memory 15f is selected according to the group information.

A CPU (central processing unit) 16, a program memory 17 composed of a ROM, a data and working memory composed of a RAM constitute a microcomputer, and a panel operation part.
The detection scanning of the switches and operators in 10 and the reading processing of the tone data memory 15 based on the scanning result are all executed by this microcomputer.
The microcomputer also executes key switch scanning for detecting a pressed key on the keyboard 19 and tone sound allocation processing corresponding to the pressed key.

The tone forming circuit is composed of an orchestra sound forming circuit 20, a chord sound forming circuit 21, and a bass sound forming circuit 22. Each of the tone forming circuits 20 to 22 receives the information of the pressed key and the tone color forming parameter information assigned to the respective series via the bus 23 of the microcomputer, and based on these information, the pitch corresponding to the pressed key. A tone signal having a tone color corresponding to the tone color forming parameter is formed. The formed musical tone signal is given to the sound system 24 and is sounded.

Table 1 shows an example of timbre grouping in the timbre group memory 15d. The grouping mode of each tone color parameter (21 types of tone color names COSMIC to VIBES) differs depending on the type of edit parameter. 0-3 shows a group number. For example, the waveform (WAV
With respect to the edit parameters of E), the tone color parameters are divided into four groups 0 to 3. Further, regarding the edit parameters of attack rate (ATTACK), the tone color parameters are divided into two groups of 0 to 1. In addition, there is no grouping regarding the edit parameters of modulation (MODULATION) and volume (VOLUME).
A common set of edit parameters is used regardless of which timbre is selected.

FIG. 2 shows an example of the edit parameter memory 15f. The memories 15fA to 15fF corresponding to the operators 12a to 12f are shown.
Consists of. The memories 15fA, 15fB, 15fD, and 15fE store different parameters depending on the timbre (depending on the group). Which group of memory the parameter should be read from is determined by the operation group 12a to 12e (edit parameters WAVE to DECAY) from the tone group memory 15d described above.
Is selected according to the group number read corresponding to. For example, when the tone color of "BLUES SYNTH" is selected by the orchestra tone color selection switch 11, the group G3 of the memory 15fA corresponds to the operator 12a of the WAVE parameter.
Is selected, the group G2 of the memory 15fB is selected corresponding to the operator 12b of the SPECTRUM parameter, the group G0 of the memory 15fD is selected corresponding to the operator 12d of the ATTACK parameter, and the operator 12e of the DECAY parameter is selected. Then memory
The group G1 of 15fE is selected (see Table 1).

The memory block corresponding to one group in each of the memories 15fA to 15fF stores a set of edit parameter data corresponding to the operation positions of the five stages of the operators 12a to 12f. Therefore, for example, the total of the memory 15fA of the operation 12a is 4
The edit parameter data of the group (4 groups G0 to G3) is stored.

The WAVE parameters set by the operator 12a are the parameter OP1WV that sets the waveform of the modulated wave in the tone waveform by the frequency modulation (FM) method, the parameter OP2WV that sets the waveform of the carrier wave, and the output waveform signal on the input side. And a parameter FB for setting a feedback level in the feedback FM calculation for feeding back as a phase component of. Tables 2 and 3 show examples of these WAVE parameters for editing of groups G0 and G2.

In the edit mode, the operation position # 3 at the center of the operators 12a to 12f is a position for setting and controlling the same content as the parameter originally set for the tone color selected by the tone color selection switch 11. Therefore, the parameter corresponding to this position is not specified and is described as "the same". The value "0" of the waveform parameters OP1WV and OP2WV indicates a sine waveform, "1" indicates a half-wave rectified waveform of a sine wave,
“2” indicates a full-wave rectified waveform, and “3” indicates a waveform obtained by inhibiting the amplitudes of the phase ranges of 90 ° to 180 ° and 270 ° to 360 ° in the full-wave rectified waveform.

As is clear from Tables 2 and 3, the setting mode by the operator 12a varies depending on the group to which the selected timbre belongs. For example, a group of WAVE parameters
For the tone color "JAZZ ORGAN" belonging to GO and the tone color "FLUTE" belonging to group G2 (see Table 1), even if the operator 12a is set to the same operation position, the parameters OP1WV, OP2
The contents of WV and FB are different.

The SPECTRUM parameter set by the operator 12b is F
Parameter that sets the frequency ratio of the modulated wave frequency and the carrier frequency to the tone basic frequency in the M tone formation method
It consists of OP1MUL (modulation wave frequency) and OP2MUL (carrier frequency). Tables 4 and 5 show examples of these parameters corresponding to the groups G0 and G1.

The value "1" of the parameters OP1MUL and OP2MUL indicates that it is the same (1 times) as the fundamental frequency, "2" to "7" indicates 2 to 7 times the fundamental frequency, and "0" is the basic frequency. 1 / frequency
Direct twice. As is clear from the above table, the manipulator 12b
Also, regarding the above, the setting mode differs depending on the tone color (group).

MODULATION parameter set by manipulator 12c is F
It consists of a parameter ΔOP1TL that controls the modulation index in the M tone formation system. An example of this is shown in Table 6.

This parameter ΔOP1TL is an increase / decrease value with respect to the standard modulation index parameter OP1TL for the selected tone color.
The data of the central operation position # 3 is "0", which means that the standard parameters are not changed.

The ATTACK parameter set by the operator 12d includes a parameter ΔOP1AR for controlling the attack rate of the amplitude envelope of the modulated wave signal and a parameter ΔOP2AR for controlling the attack rate of the amplitude envelope of the carrier signal. These parameters are different between groups G0 and G1 as shown in Tables 7 and 8.

These parameters ΔOP1AR and ΔOP2AR are also standard attack rate parameters OP1AR and OP2 for the selected tone color.
It is the increase / decrease value for AR. Note that the group G1 has a larger controllable increase / decrease variation range than G0. This is suitable for a tone with a relatively fast rising edge. On the contrary, the group G0 is suitable for a tone having a relatively slow rising edge. Referring to Table 1 above, the wind instrument sounds (for example, CLARINET) are group G0.
And the percussion instrument tones (eg PIANO) are group G1
Is.

The DECAY parameter set by the operator 12e is the parameter ΔOP that controls the first decay rate of the modulated wave signal.
1D1R, parameter to control the decay level ΔOP1DL,
A parameter ΔOP1D2R that controls the second decay rate,
Parameter ΔOP2D1R that controls the first decay rate of the carrier wave signal, and parameter ΔOP2D that controls the decay level.
L and a parameter ΔO2D2R for controlling the second decay rate. These parameters are different between groups G0 and G1 as shown in Tables 9 and 10.

These parameters ΔOP1D1R to ΔOP2D2R are also standard decay rate parameters OP1D1R, OP for the selected tone.
It is an increase / decrease value for 1DL, OP1D2R, OP2D1R, OP2DL, OP2D2R. Note that the group G1 has a larger controllable increase / decrease variation range than G0. This is suitable for sounds with a short decay time (continuous sounds). On the other hand, group G0 is suitable for tones with long decay times (attenuated tones).
Referring to Table 1 above, percussion instrument-based tones (eg, PI
ANO) is group G0, and wind instrument sounds (for example, CLA)
RINET) is a group G1.

The VOLUME parameter set by the operator 12f is composed of a parameter ΔOP2TL for controlling the volume of a musical sound. This parameter ΔOP2TL is an increase / decrease value with respect to the standard volume parameter OP2TL in the selected tone color.

The parameters set by the operators 12c to 12f in the edit mode indicate the increase / decrease value as described above, but not in the synthesizer mode, and the parameters OP1TL to OP2TL are directly set. . Therefore, the parameters stored in the synthesizer parameter memory 15e corresponding to the operators 12c to 12f are completely different from the increase / decrease values shown in Tables 6 to 10. However, this point will not be described in detail.

FIG. 3 shows an example of an FM tone forming circuit for forming a tone signal using various parameters as described above. In response to a key code KC designating the pitch of a musical tone to be generated, the phase address signal generating circuit 25 generates a phase address signal ωt which changes at a rate corresponding to the pitch. This phase address signal ωt is given to the multiplier 26 and multiplied by the modulated wave frequency ratio parameter OP1MUL. The output is given to the phase address input of the waveform generator WGOP1 via the adder 27. A waveform setting parameter OP1WV is given to the waveform generator WGOP1, and the shape of the waveform to be generated by the generator WGOP1 is switched according to the value. Such switching of the waveform shape is performed by a sine wave memory and a circuit that inverts or inhibits the sine wave system read from the memory in a predetermined phase section.

The waveform signal generated from the waveform generator WGOP1 is given to the multiplier 28, and is multiplied by the envelope waveform signal given from the envelope generator 29. The output is added to the adder 30 and the feedback multiplier 31, and is multiplied by the feedback parameter FB. The output of the multiplier 31 is input to the adder 27 for phase modulation.

The multiplier 32 multiplies the phase address signal ωt by the carrier frequency ratio parameter OP2MUL and supplies the output to the adder 30. In the adder 30, the carrier phase address signal is multiplied by the multiplier.
Phase modulation is performed by adding the modulated wave signals given from 28. The output of the adder 30 is given to the phase address input of the waveform generator WGOP2. A waveform setting parameter OP2WV is given to the waveform generator WGOP2, and the shape of the waveform to be generated is switched in the same manner as described above according to the value thereof. The waveform signal generated from the waveform generator WGOP2 according to the phase address input signal is applied to the multiplier 33, and is multiplied by the envelope waveform signal generated from the envelope generator 34.

The envelope generators 29, 34 generate an envelope waveform signal in response to the key-on signal KON, and the shape of the envelope waveform in that case is parameters OP1AR, OP1D1R, OP1D related to attack rate, decay rate and level.
L, OP1D2R, OP1TL, OP2AR, OP2D1R, OP2DL, OP2D2R, OP
Set according to 2TL. In addition, decay group data DG indicating whether it is a connection tone system or a decay tone system is given according to the selected tone color, and depending on this, whether the envelope waveform should be a continuous tone system or a decay tone system. Is decided. Tone group memory as this decay group data DG
The group number data read from 15d corresponding to the DECAY parameter can be used.

The FM tone forming circuit as shown in FIG. 3 can be used not only in the orchestra tone forming circuit 20 but also in the chord tone forming circuit 21 and the bass tone forming circuit 22.

FIG. 4 is a block diagram schematically showing the flow of information between the main parts in the edit mode. According to the tone color name selected by the tone color selection switch 11 of the orchestra, it is read from the tone color group memory 15d corresponding to each operator 12a, 12b, 12d, 12e of the group number data DS operator 12. In the edit parameter memory 15f, one set of edits corresponding to the operators 12a to 12f is selected according to the group number data. Then, according to the operation position of each of the operators 12a to 12f in the DS operator 12, one parameter of the one set (5 steps) of edit parameters is read from the memory 15f for each operator.

On the other hand, a standard tone forming parameter corresponding to the tone color selected by the orchestra tone color selection switch 11 is read out from the orchestra tone color parameter memory 15a. As described above, this parameter consists of six types of WAVE to VOLUME, and as is clear from the above description, each parameter consists of a plurality of subdivided parameters such as OP1WV, OP2WV ....

The standard parameters read from the memory 15a according to the selected tone color are controlled by the control means 35 according to the edit parameters read from the edit parameter memory 15f, and the contents thereof are changed appropriately. The parameters controlled by the control means 35 are stored in the orchestra tone color memory ORCM. Each parameter of the memory ORCM is given to the orchestra sound forming circuit 20 and is used for forming a sound as shown in FIG.

As an example, it is assumed that the standard parameters of a selected timbre read from the orchestra timbre parameter memory 15a are as shown in Table 11, and that timbre group is G2 for the WAVE operator 12a and for the SPECTRUM operator 12b. Is G
0, ATTACK operator 12d is G0, DECAY operator 12e is G1, and the operating position of each operator 12a-12f is 12
# 4 for a, # 2 for 12b, # 5 for 12c, # 3 for 12d,
It is assumed that 12e is # 4 and 12f is # 3. As is apparent from Tables 2 to 10 above, the values of the edit parameters are as shown in Table 11, and the parameters finally set according to the control by the edit parameters are as shown in Table 11. .

As is clear from the above, regarding the parameters OP1WV to OP2MUL, the contents of the edit parameters set according to the operations of the operators 12a and 12b are replaced with the standard parameters to become the finally set parameters. Regarding the parameters OP1TL to OP2TL, the edit parameter set according to the operation of the operators 12c to 12f acts as an increase / decrease value with respect to the standard parameter, and the standard parameter that is increased / decreased according to the edit parameter is finally set. It becomes a parameter. The finally set parameters as shown in the right column of Table 11 are stored in the orchestra tone color memory ORCM.

In the configuration of FIG. 1, the function corresponding to the control means 35 of FIG. 4 is executed by the microcomputer. The orchestra tone color memory ORCM is included in the data and working memory 1.

FIG. 5 shows an example of various memories that constitute a data memory portion in the data and working memory 18.

TONE is an orchestra tone color code memory and stores a binary coded signal (tone color code) indicating the tone color name selected by the orchestra tone color selection switch 11.

ABCFLG is an ABC flag that indicates whether the ABC mode is on or off. When it is "1", ABC is on, when it is "0", it is off, and it is inverted according to the pressing of the ABC switch (ABC SW).

DSFLG is a DS flag indicating ON / OFF of the digital synthesizer mode. When it is "1", it is the digital synthesizer mode, when it is "0", it is the edit mode, and it is inverted according to the pressing of the above-mentioned DS switch (DS / SW).

CHDNO is a chord tone color code memory and is a binary coded signal indicating the current operation position of the chord tone color selection operator 13b (that is, a chord tone color code indicating the selected chord tone color name).
Memorize

BASENO is a base tone color code memory and is a binary coded signal indicating the current operation position of the bass tone color selection operator 13a (that is, a bass tone color code indicating the selected bass tone color name).
Memorize

DSABC is a flag indicating that it is a mode for synthesizing ABC tones using the digital synthesizer operator 12.
When this flag is "1", as described above, it is possible to select the tone color set by the DS operator 12 in correspondence with the fifth operation position of the ABC tone color operator 13.

WAVERG, SPECRG, MODURG, ATTRG, DECRG, VOLRG are DS
This is a register for storing an operation position code indicating the current operation position of each of the operators 12a to 12f in the operator 12.

The ORCM is an orchestra tone color memory and stores parameters of tone colors selected and set for the orchestra sequence (orchestra tone forming circuit 20). The parameters stored here are sent to the orchestra sound forming circuit 20.

CHDM is a chord tone color memory, and stores the tone color parameters selected and set for the chord tone. The parameters stored here are sent to the chord tone forming circuit 21.

The BASM is a bass tone color memory, and stores tone color parameters selected and set for the bass tone. The parameters stored here are sent to the bass sound forming circuit 22.

The key data memory stores the scanning result of the key switch on the keyboard 19 and also stores the key data assigned to each channel.

Next, an example of a program executed by the microcomputer of FIG. 1 will be described with reference to FIGS. 6 to 12.

FIG. 6 shows the main routine. First, the panel operation part
The scanning process of each switch and the operator of 10 is executed, and if an event (ON of the push-type switch or switching of the operation position of the operator) is detected here, the corresponding events are shown in FIGS. 7 to 11. The subroutine shown in the figure is executed.

In the next key scan process, the key switches on the keyboard 19 are scanned. Next, it is checked whether the ABC flag is "1", and if it is "1", automatic accompaniment processing is performed to form information of automatic accompaniment sound. In the pronunciation assignment process, the pressed key is assigned to any of the tone generation channels based on the result of the key scan process. The key data of the musical tones determined to be generated as a result of the automatic accompaniment process and the pronunciation assignment process is stored in each musical tone forming circuit 20-.
22 (abbreviated as TG).

FIG. 7 shows an orchestra tone color selection switch ON event routine. First, the tone color code of the turned-on orchestra tone color selection switch 11 is stored in the orchestra tone color code memory TONE (step 36). In the next step 37, of the LEDs vertically and horizontally attached to the switch 11 for displaying the selected timbre, two LEDs that specify the timbre selection switches that have been turned on in a matrix are turned on. The next step 38 is to check the DS flag. DSFLG ＝ “1”? Is N
If it is O, that is, the edit mode, proceed to step 39.

In step 39, the parameter data (standard parameter of the tone color as shown in Table 11) corresponding to the tone color selected from the orchestra tone color memory 15a according to the tone color code stored in the orchestra tone color memory TONE is read out. , Orchestra tone color memory OR
Write on CM. In the next step 40, the parameter data of the orchestra tone color memory ORCM is set to the orchestra tone forming circuit.
20 (abbreviated as TG).

As described above, the contents of the standard parameters correspond to the # 3 operation positions of the editing operators 12a to 12f.
In this case, the positions of the operators 12a to 12f are not always # 3. However, when there is an on-event of the tone color selection switch 11, that is, when a different tone color is selected, the standard parameters are unconditionally set regardless of the operation positions of the operators 12a to 12f. By setting it in the memory ORCM, at first, the tone formation is performed with the standard tone color of the newly selected tone color.

In the digital synthesizer mode, step 38 is YES and step 41 checks the DSABC flag. If this is NO, which means Digital Synthesizer mode but not ABC mode, then step 3
Return immediately without executing steps 9 and 40. This is because in the digital synthesizer mode, the orchestra tone color is set only by the DS operator 12, and the orchestra tone color selection switch 11 is not used at all. However, when the DSABC flag is set as described later, the DS operator 12 is used for setting the bass tone or chord tone, so the orchestra tone cannot be set by the DS operator 12, and Must be set to
Therefore, in this embodiment, when the DSABC flag is "1", steps 39 and 40 are executed to set the orchestral tone color according to the orchestra tone color code stored in TONE.

FIG. 8 shows a digital synthesizer switch on event routine, which is executed when the DS switch is turned on. First, invert the DS flag (step 42), and then check whether the content is "1" (step 43). If YES, proceed to step 44 because it is the digital synthesizer mode and turn on the LED attached to the DS switch. Light. In the next step 45, parameter data corresponding to each operator is obtained from the synthesizer parameter memory 15e according to the operation position of each operator 12a to 12f in the DS operator 12 (that is, according to the operation position code in WAVERG to VOLRG). Read out and store this in the orchestra tone color memory ORCM. In the next step 46, the parameter data of the memory ORCM is sent to the orchestra tone color forming circuit 20.

In the edit mode, the process proceeds from NO in step 43 to step 47 to turn off the LED of the DS switch. In the next steps 48 and 49, the same processing as steps 39 and 40 in FIG. 7 is performed. In this case, TONE stores the tone color code stored in the immediately preceding orchestra tone color selection switch-on event routine (FIG. 17). The orchestra tone memory OR
Set it on the CM. Since this routine has just switched from synthesizer mode to edit mode, parameter settings in the edit mode are started by setting the standard parameters of the orchestral tone instead of the parameters in the synthesizer mode stored in the memory ORCM. Be prepared.

In step 50, it is checked whether the DSAB flag is "1".
If NO, return immediately, but if YES, step 51
Proceed to. The processing of steps 51, 52 and 53 will be described later.

FIG. 9 shows the ABC switch-on event routine, ABC
It is executed when the switch is turned on. Here, the ABC flag is inverted and the LED attached to the ABC switch is turned on if it is "1" and turned off if it is "0".

FIG. 10 shows a chord tone color selection operator event routine, which is executed when the operation position of the chord tone color selection operator 13b is switched. First, the tone color code of the tone color selected by the operator 13b is stored in the tone color code memory CHDNO (step 54). Next, it is checked whether the ABC flag is "1" (step 55), and if NO, there is no need to make an automatic bass chord sound, and the process immediately returns. If YES, the process proceeds to step 56 and it is checked whether the tone color code stored in the memory CHDNO is the fifth operation position of the operator 13b. If NO, reset the DSABC flag to "0" in step 57,
Proceed to step 58.

At step 58, the parameter data is read from the chord tone color parameter memory 15b according to the tone color code stored in the chord tone color memory CHDNO, and is written in the chord tone color memory CHDM. Next, the parameter data in the memory CHDM is used as a chord sound forming circuit 21 (abbreviated as TG).
Send to.

If the position 5 of the operator 13b is selected, step 5
From YES at 6, proceed to step 59 to check the DS flag.
If it is "1", the process proceeds to step 60 to set the DSABC flag to "1", but if it is "0", the DSABC flag is reset to "0" in step 57.

The DSABC flag is set when all the steps 55, 56 and 57 are YES, that is, in the ABC mode and the DS mode, and when the tone color No. 5 of the operator 13b is selected. In this case, the process proceeds to step 61 and the DS operator 12
According to the operating position of the controls 12a-12f in the
Parameter data corresponding to each operator is read from the synthesizer parameter memory 15e (according to the operation position code in VERG to VOLRG) and stored in the chord tone color memory CHDM. In the next step 62, the parameter data of the memory CHDM is sent to the chord sound forming circuit 21. Thus, in the digital synthesizer mode and ABC mode,
When the fifth tone color is selected by the operator 13b, the tone color synthesized by the DS operator 12 is used as the tone color.

In steps 63 and 64, the same processing as steps 39 and 40 in FIG. 7 is performed. This is because the orchestral tone was in the digital synthesizer mode until then.
It was set by the parameter synthesized in 12, but this time because the synthesis parameter by the DS operator 12 is now used for the chord tone, it was necessary to assign another tone parameter to the orchestra tone. .
Therefore, the standard parameter corresponding to the orchestra tone color code stored in TONE by the immediately preceding routine is set in the memory ORCM.

The bass tone color selection operator event routine is processed in a flow similar to that shown in FIG. 10, and a detailed description thereof will be omitted. 10th
If the memory names in the figure are replaced, a bass tone color selection operator event routine is created.

Returning to FIG. 8, if the DSABC flag is set to "1" and the mode is changed to the edit mode, the NO in step 43 to the step 50
Go to step 51 via YES. In step 51,
Parameter data is read from the chord tone color parameter memory 15b and the bass tone color parameter memory 15c according to the chord tone color code and the bass tone color code stored in the memories CHDNO and BASENO, and this is read out.
Store in CHDM and bass tone memory BASM respectively. In step 52, the parameter data stored in the memories CHDM and BASM are used for the chord tone forming circuit 21 and the bass tone forming circuit 22.
(Abbreviated as TG). In step 53, the DSABC flag is reset to "0". By the above processing, the chord tone color selection operator 13b or the bass tone color selection operator 13a
The tone color corresponding to the numbered operation position is returned from the synthesized tone by the DS operator 12 to the standard tone color stored in the parameter memories 15b and 15c.

FIG. 11 shows the WAVE operator event routine, which is the operator 12
Executed when a is operated. First, the operation position code indicating the current operation position of the operator 12a is stored in the register WAVERG corresponding to the operator 12a (step 65). Then DS
Check ABC flag (step 66), if NO step 6
Examine the DS flag at 7. If the answer is NO, the edit mode is set and the process proceeds to step 68.

In steps 68 to 72, parameters in the edit mode are controlled. First, in step 68, the register WAVE
It is checked whether the position code of RG is "3". If YES, the process proceeds to step 69, and if NO, the process proceeds to step 70. Step
At 69, the WAVE parameter of the selected orchestral tone color is read from the orchestra tone color memory 15a according to the orchestra tone color code in TONE, and this is set in the orchestra tone color memory ORCM. This is because the operation position "3" is set as the neutral position and the standard parameter of the selected tone color is used as it is.

In step 70, the tone color code indicating the selected tone color is read from the memory TONE, and in response to this, the group number to which the tone color belongs (however, the group corresponding to the WAVE parameter) is read from the tone color group memory 15d.

In step 71, the read group number and WAVERG
The parameter data is read from the edit parameter memory 15f (particularly 15fA: FIG. 2) in accordance with the operation position code in the and stored in the WAVE parameter storage position in the orchestra tone color memory ORCM. In the next step 72, the parameters of the memory ORCM are sent to the orchestra sound forming circuit 20.

Step 67 in synthesizer mode for orchestral tones
Is YES, and the process proceeds to step 73. Here, the WAVE parameter corresponding to the operation position is read from the synthesizer parameter memory 15e according to the operation position code in the WAVERG, and this is written in the storage position of the WAVE parameter of the memory ORCM.

In the synthesizer mode of ABC tone, step 66 is YES, and the routine proceeds to step 74. Here, the synthesizer parameter memory 15e to W depending on the operation position code in WAVERG
Read the AVE parameter and store it in chord tone memory CHD
M or bass tone memory BASM corresponding operator 13a,
Set operation number 5 in 13b to the selected memory. In the next step 75, the parameters of the memory CHDM or BASM are set to the chord sound forming circuit 21 or the bass sound forming circuit.
Send to 22.

The event routines for the other operators 12b to 12f in the DS operator 12 are almost the same as in FIG. However, the register name for storing the operation position code of the operator is replaced from WAVERG to any other appropriate SPECRG to VOLRG. Also MOD
The ULATION, ATTACK, DECAY, and VOLUME edit parameters are given by increasing / decreasing values with respect to the standard parameters as described above. Therefore, the process corresponding to step 71 in FIG. 11 is changed as shown in FIG.

FIG. 12 exemplifies the operator 12d for the ATTACK parameter. In step 71a, the edit parameter memory 15f (especially 1) is selected according to the group number of the tone color selected in the previous step and the operation position code in the register ATTRG.
5fD: Read the edit parameter data from Fig. 2). In the next step 71b, the standard ATTACK parameter of the tone color selected according to the orchestra tone color code in TONE is read from the orchestra tone color parameter memory 15a. In the next step 71c, the edit parameter read in the previous two steps and the standard parameter are calculated to obtain the controlled ATTACK parameter. Then, this is set in the storage position of the ATTACK parameter of the orchestra tone color memory ORCM.

Although the ATTACK parameter is shown in Fig. 12, other MO
With respect to the DULATION, DECAY, and VOLUME parameters, the same processing can be used to correct the data according to the edit parameters.

Although a microcomputer is used in the above embodiment,
Of course, the present invention can be implemented by a hard-wired circuit.

The tone forming circuits 20 to 22 may share a common hardware circuit in a time division manner. Further, a common hardware circuit may be shared in a time division manner for the modulated wave generating portion (waveform generator WGOP1) and the carrier wave generating portion (waveform generator WGOP2) in the FM tone forming circuit of FIG.

In the above embodiment, there are a plurality of operators for parameter setting / control, but this may be one.

In the above embodiment, the tones are grouped, and the setting / control mode by the operator is set (different) according to the group.
However, the present invention is not limited to this, and the setting / control mode of the operator may be set (different) for each tone color. However, grouping requires a smaller amount of edit parameter memory.

In the above-described embodiment, the edit parameter memory is used as a means for setting the setting / control mode by the operator according to the selected tone color, and the setting / control mode is set according to the stored contents of the memory. However, without using such a memory (or table), a means for changing the information generated according to the operation position of the operator according to the selected tone color, or other means may be used.

In the above embodiment, the tone forming parameter selected by the selecting means is a tone color parameter, but the present invention is not limited to this, and the present invention can be applied to the case of selecting and setting any other tone forming parameter. .

The present invention can be applied not only when the standard parameter of the selected tone color is changed and corrected but also when the content of the parameter is newly set.

[Brief description of drawings]

1 is a hardware configuration diagram showing an embodiment of an electronic musical instrument to which a parameter setting device according to the present invention is applied, FIG. 2 is a block diagram schematically showing a memory configuration example of an edit parameter memory in FIG. 1, FIG. The figure can be used as a tone forming circuit in FIG.
FIG. 4 is a block diagram showing an example of an FM type musical tone forming circuit, FIG. 4 is a diagram schematically showing the flow of information between main devices in the edit mode in the embodiment of FIG. 1, and FIG. 5 is shown in FIG. FIG. 6 is a diagram showing an example of a memory configuration of a data memory portion in the data and working memory, FIG. 6 is a flowchart outlining a main routine of a program executed by the microcomputer of FIG. 1, and FIGS. FIG. 12 is a flow chart showing subroutines executed when an event of each switch and operator is detected. FIG. 12 is a program change portion when a subroutine similar to FIG. 11 is used as an event routine of another operator. It is a flowchart shown. 10 …… Panel control section, 11 …… Orchestra tone color selection switch, 12 …… Digital synthesizer control, 13 ……
ABC tone color selector, 15a ... Orchestra tone parameter memory, 15d ... tone group memory, 15e ... Synthesizer parameter memory, 15f ... Edit parameter memory.

Claims (4)

[Claims] 1. A selection means for selecting a tone color, and a plurality of different tone forming parameters respectively corresponding to
It is possible to perform setting operation in any of a plurality of operation stages, and a plurality of operators for setting / controlling the value of the corresponding tone formation parameter to contents corresponding to the operation stage, and selection by the selecting means. Control information supply means for respectively setting control information corresponding to each operation stage of each operator corresponding to the selected tone color, and respectively supplying control information corresponding to the current operation stage of each operator, Event detection means for detecting a tone color selection event in the selection means, and supply of the control information by the control information supply means corresponding to the current operation stage of each operator in response to the detection of the tone color selection event by the event detection means. Disable
Instead of this, there is provided control means for supplying predetermined standard control information for each operator corresponding to the newly selected timbre, and control information supplied by the control information supply means or control means. The tone forming parameters corresponding to each operator are controlled in accordance with the above, and the tone color selected by the selecting means is set and controlled by the combination of these controlled tone forming parameters. apparatus. 2. The storage means for storing standard control information for each operator corresponding to each timbre, respectively.
The parameter setting device for an electronic musical instrument according to claim 1, further comprising means for reading standard control information for each operator from the storage means in correspondence with a newly selected tone color. 3. The control information supply means stores, for each of the operators, a control information storage means storing a plurality of data sets of control information corresponding to each operation stage, and a tone color selected by the selection means. Correspondingly, a set of the control information in the control information storage means is selected for each of the operators, and control information reading means for reading out the control information corresponding to the current operation stage of each operator from the selected one. The parameter setting device for an electronic musical instrument according to claim 1, which has. 4. The control information supplying means changes the manipulator output information output corresponding to the current operation stage of each manipulator, in accordance with the tone color selected by the selecting means. The parameter setting device for an electronic musical instrument according to claim 1, wherein the control information corresponding to the current operation stage of each operator corresponding to the selected timbre is supplied respectively.