JPH03120592A - Musical sound signal generator - Google Patents

Abstract

PURPOSE:To attach a broad stretch on sound generation and to attain more complicated nd diverse sound generation by performing control to emit the output musical sound signal of a first sound source means and the modulation signal of a second sound source means simultaneously by introducing the former to the latter. CONSTITUTION:Control to introduce the output musical sound signal of the first sound source means to the modulation signal input of the second sound source means is performed with a modulation signal introduction control means. Also, such control that the output musical sound signal of the first and second sound source means are emitted simultaneously is performed. By performing such control, the output musical sound signal of the first sound source means can be used at the second sound source means as the modulation signal at need, which widens the extent of the sound generation by a modulating opera tion. Also, it is possible to perform the diverse and extensive sound generation in which the output of both sound source means are combined appropriately extending from a proper tone color by the first sound source means to the proper tone color by the second sound source by emitting the output musical sound signals of the first and second sound source means simultaneously.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a musical tone signal generating device used in electronic musical instruments, sound source modules, etc.

It is equipped with a plurality of sound sources and includes at least one sound source using a sound source method based on modulation calculation, so that the output of the other sound source can be used as a modulation signal in the sound source using modulation calculation, and can also be produced as a musical tone. Concerning what has been done.

(Prior Art) Japanese Patent Application Laid-Open No. 61-29895 has a memory that stores a plurality of periodic waveforms sampled from natural musical instrument sounds, etc., and a waveform signal is extracted from the memory by a phase address signal corresponding to a desired pitch frequency. At the same time, this memory readout output is fed back to the address input side to modulate the phase address signal corresponding to the desired pitch frequency,
A musical tone generating device using self-feedback modulation calculation is shown in which the memory readout output is output as a musical tone signal.

Furthermore, in Japanese Patent Application Laid-Open No. 61-39097, a memory (in other words, a PCM sound source) that stores a plurality of periodic waveforms sampled from natural musical instrument sounds, etc. is provided, and the readout output of this memory is used as a modulated wave signal. Alternatively, a frequency modulation (hereinafter referred to as FM) calculation method musical tone generating device is disclosed in which this memory is used as a memory for generating a carrier wave signal.

Such a conventional musical tone generator includes two sound sources, a PCM sound source and an FM sound source, and uses a waveform signal generated by the PCM sound source as a modulation signal for the FM sound source. It can be said that.

[Problem to be solved by the invention]

However, in the conventional musical tone generator as mentioned above,
The PCM sound source was incorporated into the FM sound source and could not be effectively used as an independent sound source. In other words, even if you had a PCM sound source, you could only use it as a modulation signal or carrier signal for an FM sound source. Therefore, the only musical tones that can be synthesized are those that have strong characteristics of FM sound sources, which limits the sound creation.

The present invention has been made in view of the above-mentioned points, and includes a plurality of sound sources, at least one sound source using a sound source method using modulation calculation, and uses the output of another sound source as a modulation signal in the sound source using modulation calculation. By making it possible to produce both musical and musical tones, it is possible to create complex sounds unique to modulation calculation sound sources.
By introducing the output of another sound source as a modulating signal.

While making it even more complex and diversified, it also makes it possible to create sounds specific to other sound sources, giving the device a wide range of sound creation as a whole, and making it possible to create more complex and diverse sounds. The object of the present invention is to provide a musical tone signal generating device that makes it possible to generate musical tone signals.

[Means to solve the problem]

A musical tone signal generating device according to the present invention includes a first sound source means that generates a musical tone signal based on one sound generation instruction information, and a second sound source that generates a musical tone signal by executing a predetermined modulation operation based on one sound generation instruction information. means, modulation signal introduction control means for controlling the introduction of the output musical tone signal of the first tone generator means into the modulation signal input of the second tone generator means, and output musical tone signals of the first and second tone generator means. and a sound generation control means for controlling the sounds to be sounded at the same time. This is illustrated in FIG. 1.

[For production]

The modulation signal introduction control means can control the introduction of the output musical tone signal of the first sound source means into the modulation signal input of the second sound source means. This control allows the second sound source means to use the musical tone signal output from the first sound source means as a modulation signal at any time as required, and it is possible to widen the range of sound creation by modulation calculations.

Further, the sound generation control means can control the output musical tone signals of the first and second sound source means to simultaneously sound. This makes it possible to create a wide variety of sounds by appropriately combining the outputs of the surface sound source means, from the unique timbre of the first sound source means to the unique timbre of the second sound source means.

【Example〕

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

FIG. 2 is a block diagram showing an example of the hardware configuration of an electronic musical instrument to which the musical tone signal generating device according to the present invention is applied. In this example, a central processing unit (CPU) 10. Program and data ROMII, data and working RAM1
Various processes are executed under the control of microcomputers including 2.

A keyboard circuit 14, an operation panel 15, and other various circuits are connected to the microcomputer via a data and address bus 13.

The keyboard circuit 14 is provided corresponding to a keyboard having a plurality of keys for specifying the pitch of a musical tone to be generated, and is a circuit including key switches corresponding to each axis of the keyboard.

The keyboard circuit 14 may include a key scan circuit for detecting whether each key switch is on or off, or the key scan may be performed by a microcomputer.

The operation panel 15 allows you to select and select tone, volume, pitch, effect, etc.
It includes various operators for setting and controlling. A display section DPY and a function switch section FSW are provided to perform various selection and setting processes.

The performance controller 16 controls the tone of the musical tone during the performance.
It is an operator for controlling volume and pitch, and includes, for example, a control wheel, a control pedal, a press control, a roller, etc.

The tone generator section TG has two different sound source circuits 1
For example, it includes a PCM sound source 17 and an FM sound source 18, and the surface sound source 1 outputs a musical tone signal of a pitch corresponding to a key pressed on the keyboard.
7.18 each can occur simultaneously. Each sound source 17, 18 has N and M tone generation channels, respectively. Hereinafter, in this example, N=M=
16, and each sound source 17, 18 is capable of generating musical tone signals in 16 channels time-divisionally.

The microcomputer performs various processes such as detecting key-on and key-off in the keyboard circuit 14, detecting the operating states of various operators on the operation panel 15, detecting the farming state of the performance controller 16, and assigning musical tones corresponding to pressed keys. The necessary data is provided to the tone generator section TO via the bus 13.

The tone generator section TO generates a musical tone signal based on the supplied data, and this musical tone signal is spatially produced via the sound system 19.

Tone Generator TO - An example of the tone generator section TO will be explained with reference to FIG. 1. A sound source that uses a "waveform memory read method" that generates a musical tone signal by sequentially reading musical waveforms and sample value data from the waveform memory 20 in accordance with address data that changes in accordance with the pitch of the musical tone to be generated. This method is adopted. In this case, the musical sound waveform stored in the waveform memory 20 may be a single-period waveform, but it is preferable to use a multi-period waveform because the sound quality can be improved. A multi-period waveform is stored in the waveform memory and read out. There are two methods: 1, for example, as shown in JP-A-52-121313, the entire waveform from the start to the end of the sound is stored and read out once, or JP-A-58-142.
C396, a method in which a multi-cycle waveform of an attack part and one or more cycle waveforms of a sustaining part is stored, and the waveform of the sustaining part is read out repeatedly after reading the waveform of the attack part once, or 60-147793, stores a plurality of discretely sampled waveforms,
Various methods are known, such as a method in which the waveforms to be read are sequentially switched and specified over time, and the specified waveforms are read out in reverse.

These methods may be adopted as appropriate. In this embodiment, for example, it is assumed that a method is adopted in which a multi-cycle waveform of an attack portion is read out once and then a waveform of a continuation portion is repeatedly read out.

The FM sound source 18 performs a predetermined frequency modulation calculation on the phase angle parameter data that changes at a desired frequency corresponding to the pitch of the musical tone to obtain musical waveform sample value data.
This uses a so-called FM sound source method.

As mentioned above, each sound source 17, 18 is capable of generating up to 16 musical tone signals in a 16-channel time-sharing manner, and also has the well-known function of imparting an amplitude envelope to the generated musical tone signal. It shall be equipped.

A key code KC of a key assigned to each channel of the PCM sound source 17 and a key-on signal K indicating a key press or release of the corresponding axis.
ON, and various control data for setting and controlling tone, volume, and pitch, are transmitted from the microcomputer to bus 1.
3 to the PCM sound source control register 21.

Based on these data stored in the register 21, the PCM sound source 17 generates musical tone signals of the tones assigned to each channel.

Similarly, the key code KC of the key assigned to each channel of the FM sound source 18, the key-on signal KON indicating the key press or release of the corresponding axis, and various controls for setting and controlling the tone, volume, and pitch. The data is.

The signal is applied from the microcomputer to the FM sound source control register 22 via the bus 13. Based on these data stored in the register 22, the FM sound source 18 generates musical tone signals of the sounds assigned to each channel.

As is well known, in the FM sound source system, basically,
A carrier wave signal and a modulated wave signal are respectively generated, and the carrier wave signal is modulated by the modulated wave signal, thereby synthesizing a musical tone signal having a desired spectral configuration. Therefore, in the FM sound source 18.

The carrier wave function and modulation wave function can be generated internally.

In this embodiment, not only can a modulated wave function be generated internally in the FM sound source 18, but also a modulated wave signal can be introduced from the outside via the modulator input terminal MDT.

The musical tone signal generated by the PCM sound source 17 is transferred to this FM sound source 18.
The configuration is such that the signal is input to the modulator input terminal MDT of. PCM input to modulator input terminal MDT
The output musical tone signal of the sound source 17 is as follows.

The level is appropriately controlled within the FM sound source 18, and whether or not the musical sound signal output from the PCM sound source is used as a modulated wave signal is controlled.

The mixing circuit 23 mixes the musical tone signal generated by the PCM sound source 17 and the F
It is used to mix the musical tone signal generated by the M sound source 18, and the mixing is controlled by control data given from the mixing control register 24. This mixing control data is given from the microcomputer via the bus 13 in accordance with the selected timbre, etc. Note that this mixed operation is not limited to addition, but may also be subtraction.
The time division timings of the 16 channels in the CM sound source 17 and the FM sound source 18 are synchronized, and if the musical sound signals corresponding to the same pressed key are generated simultaneously in the PCM sound source 17 and FM sound source 18, the PCM sound source 17 and the FM sound source At step 18, musical tone signals corresponding to the pressed keys are assigned to channels at the same timing.

The output of the mixing circuit 23 is applied to an effect applying circuit 25, and various effects such as a reverb effect and a panning (PAN) effect are applied as necessary. The control data that controls the effect addition is
The signal is applied from the microcomputer to the effect control register 26 via the bus 13, and this is applied to the effect applying circuit 25.

The musical tone signal output from the effect imparting circuit 25 is applied to a digital/analog converter 27, converted into an analog signal, and then sent to the sound system 19. Incidentally, in order to cancel the channel time division state, an accumulator for accumulating musical tone signals of each channel is provided as appropriate, but this accumulator is not particularly shown in the figure, but is installed at a stage before the digital/analog conversion amount 27, for example, inside the mixing circuit 23, etc. It is recommended to set it in .

- Riaki Zaku Reimman 11 Sadatoshi - Kazuki Tomo I will explain an example of the internal configuration of the FM sound source 18 with reference to FIG. ~F using OP6
M calculations are performed to synthesize musical tone signals. By selectively switching the connection mode between each calculation unit OPI to OPe, the FM calculation algorithm is selected and musical tone synthesis of a desired tone is performed.In the example shown in FIG. It is equipped with a unit OP, and by using it time-divisionally in 6 time slots, 6 arithmetic units O
It is functioning as PI to OP6.

The phase data generation circuit 28 inputs the key code KC of the key assigned to each channel and the key-on signal KON,
Phase data P1 to P6 corresponding to the key code KC is generated in time division for 6 time slots per channel and time division for 16 channels in correspondence to each arithmetic unit OPI to OP6.

The envelope generating circuit 29 generates envelope level data ELLNEL6 corresponding to each arithmetic unit OPI to OP6 based on the key-on signal KON in a time-division manner of 6 time slots per channel and in a time-division manner of 16 channels.

° Various parameter data or control data corresponding to the selected tone etc. are sent to the control register Ji via the bus 13.
22 (FIG. 3), and from said control register 22 F
For each circuit in the MM source 18 (phase data generation circuit 28, envelope generation circuit 29, operation unit OP, and other circuits), time-sharing (and time-divisionally) for each channel as necessary. These parameters control the coefficients of the 1-phase data PL-P6, the generation mode of the envelope level data ELL to EL6 (that is, the envelope waveform), and the mode of FM calculation, for example.

If it is possible to select a connection mode in which the arithmetic units OPI to OP6 are divided into multiple series and arranged in parallel and the outputs of each series are added, the volume level is corrected according to the number of series to be added. level correction data LC is included in one such FM operation control parameter. Also included in such FMM calculation control parameters are feedback level data FL1 to FL6 that set the feedback level when self-feeding back the output signal of the own arithmetic unit as a modulated wave signal.

Also included in such FMM calculation control parameters are control signals that set the connection mode of each of the arithmetic units OPI to OP6. Further, external input level control data EXTLI~ controls the level of the musical tone signal of the PCM sound source 17 when used as a modulation signal by each operator OP1~OP6.
EXTL6 is also included in such FMM calculation control parameters.

The arithmetic unit OP receives input phase data P1 to P6.
an adder 31 for modulating the sine wave; a sine wave table 32 storing sample values of the sine wave in logarithmic representation data format;
It includes an adder 33 for amplitude level control, a logarithmic/linear conversion circuit 34, and an adder 35 for adding modulation signals. The adder 31 includes each operation unit OP1 to OP6.
1-phase modulation is performed by adding the phase data P1 to P6 provided in a time-division manner corresponding to the time slots and the waveform signal (ie, modulation signal) provided from the adder 35. The adder 33 adds envelope level data ELL to E to the logarithmically expressed sine wave sample value data read out from the sine wave table 32 in accordance with the output of the adder 31.
This is to add L6 and level correction data LC.

Data EL1 to EL6. LC is also given in a logarithmic expression format, and the logarithm/linear conversion circuit 34 substantially multiplies the amplitude coefficient by adding logarithms in the adder 33.
converts the output of the adder 33 in logarithmic representation into data in linear representation.

The arithmetic unit connection mode setting circuit 36 connects the arithmetic unit o
Feedback registers FR each input the output of P,
1-stage shift register SR, memories Ml, M2, accumulator AR, register SR and memories Ml, M
2 and selector 3 which inputs the output of accumulator AR.
7, a multiplier or shift circuit 38 for multiplying the output of the feedback register FR by feedback level data FL (FLI to FL6), and a register 39 for latching the output of the accumulator AR. The output of the register 39 is output as a musical tone signal synthesized by the FMM source 18.

Each register FR39, memories M1, M2, and accumulator AR have a storage capacity for 16 channels, and time-division processing of the 16 channels is performed according to the channel clock pulse φCh. However, the shift register SR is shifted and controlled for each time slot according to the clock pulse φ.

Feedback register FR, memories Ml, M2, and register 39 have load force and reset force R,
Control signals are applied to these inputs to control data loading and resetting.

The accumulator AR also has an accumulation enable input AC and a reset input R, and the control signal is applied to these inputs AC and H to control data accumulation and reset. The above control signal is the selector 37
is also applied to the selection control input of , which controls the force 1 that should select data from the input of . The outputs of the selector 37 and shift circuit 38 are applied to the modulation signal input adder 35 of the arithmetic unit OP and are added there.

The feedback register FR stores waveform signal data that is the calculation result of a predetermined calculation unit that is to be fed back to its own calculation unit or to the preceding calculation unit. A signal "1" is applied to the load input in a time slot in which the calculation result of this predetermined calculation unit is output from the calculation unit OP. In the time slot of the arithmetic unit where the feedback path is to be formed, the feedback level data FLI to FL6 indicate an appropriate value, and the register F
The output signal of R is shifted according to its value and is applied to the adder 35. In the time slot of the arithmetic unit where a feedback path is not provided, the feedback level data FLI~
FL6 has contents corresponding to level 0, and shift circuit 3
Block out 8.

Set its output to 0.

The shift register SR shifts according to the clock pulse φ, and outputs the operation result in one time slot in the next time slot. Memory Ml, M2
is used to hold the calculation result in an arbitrary time slot.

The accumulator AR is connected to each arithmetic unit OPI to OP6.
The output signals of any one or more of the units are added, and the signal 1' is input to the accumulation enable input AC in the time slot corresponding to the unit to be added.
1'' is given.The selector 37 selects each arithmetic unit O
By selecting an appropriate output signal from among the register SR, memory Ml, and M2° accumulator AR as the waveform signal (modulation signal) to be applied to the input Wint of the arithmetic unit OP in each time slot corresponding to PI to OP6, Each arithmetic unit OPI according to a predetermined connection pattern
~Achieve OP6 interconnection. In the output register 39, all arithmetic units OPI to OP6 have 1 time slot.
At the end of one calculation cycle, the signal “1” is output to the load input.
” is given.

Based on this, the output of accumulator AR is latched.

In this way, one of the musical tone signals obtained as a result of performing calculations by connecting each calculation unit OP1 to OP6 in a predetermined connection manner.
The sample value data is latched into the register 39.

The output signal of the PCM sound source 17, which is input in a time-division manner for each channel via the modulator input terminal MDT, is taken into the external data input interface 40, outputted at the time-division timing for each channel, and sent to the shift circuit 41. is input.

External input level control data EXTLI to EXTL6 given to the shift circuit 41 are input to each operation operator OPI to
Appropriate values are shown in the time slot of OP6, respectively, and the levels of the pcM sound source output signals used as modulated wave signals are controlled. In the time slot of the arithmetic unit that does not use the PCM sound source output signal as a modulated wave signal, the external input level control data EXTLI to EXTL6 have contents corresponding to level 0, and the shift circuit 41 is shut off and its output is set to 0. The output of the shift circuit 41 is sent to the adder 35
from the adder 35 to the adder 31 as a modulated wave signal.

As an example, six arithmetic units OPI to OP6 are connected to the fifth
The case of connecting as shown in the figure will be explained.

In this connection mode, OF2 is selected as the predetermined arithmetic unit whose output signal should be fed back to itself or another arithmetic unit, and the output signal of this arithmetic unit OP4 is stored in the feedback register FR, and this register F
R's output signal to its own unit OP4 and the preceding unit OP5. It goes without saying that it is fed back to the input side of OP6, but also inputted to units OPI and OP2 of other series installed in parallel with own unit OP4, and furthermore inputted to unit OP3 of its own subsequent stage. There is. Data FLl to FL6, which are input as multipliers to multipliers (corresponding to the shift circuit 38) provided in the path leading the output of the register FR to the modulation signal input of each unit OP1 to OP6, correspond to each arithmetic unit OP1 to OP6. This is feedback level data. In addition, the calculation units OPI to OP
The output signal of register FR added to 3 is not a feedback signal for these units OPI to OP3, but in this way, a signal that is fed back to the self or previous stage arithmetic unit can also be applied to another series or a subsequent stage arithmetic unit. It is also possible to implement such a connection mode.

Furthermore, data EXTLI to EXTL6, which are input as multipliers to multipliers (corresponding to the shift circuit 41) provided in the path leading the output of the external data input interface 40 to the modulation signal input of each unit OPl to OP6, are used for each calculation. This is external input level control data corresponding to units OPI to OPe↓.

The time-division time slots corresponding to each arithmetic unit OPI to OP6 are shown in FIG. They correspond to the arithmetic units OP6 to OPI in order of time. Therefore, in each time slot 1 to 6, each arithmetic unit O
Phase data P6-P1.corresponding to P6-OP1. Envelope level data EL6-ELL and feedback level data FL6-FLI are supplied as shown in FIG. 6(a).

When realizing the connection shown in Figure 5, each time slot 1 to 6
The output signal of the arithmetic unit OP is taken in as shown in FIG. 6(b), and the selection by the selector 37 is as shown in FIG. 6(c).

In addition, the supply timing of external input level control data EXTLI to EXTL6 corresponding to each arithmetic unit OP1 to OP6 and one sample data W of one channel of musical tone signal output from the external data input interface 40 are also provided.
The timing of D (t) is as shown in FIG. 6(d).

As mentioned above, the time division timings of the 16 channels in the PCM sound source 17 and the FM sound source 18 are synchronized, and when musical tone signals corresponding to the same pressed key are generated simultaneously in the PCM sound source 17 and the FM sound source 18, Since the musical sound signal corresponding to the pressed key is assigned to the channel at the same timing in the PCM sound source 17 and the FM sound source 18, the output musical sound signal of the PCM sound source 17 corresponding to the same pressed key is used as the modulated wave signal in the FM sound source 18. It can be easily used as

1 and 11: Next, the 0 display section DPY, which will be explained with reference to FIG. 7 as an example of the controls and display section on the operation panel 15, is composed of, for example, a liquid crystal display, and displays timbre, volume, pitch, etc. Any one of a plurality of screens for selecting, setting, and changing effects etc. can be selectively displayed. In the following, one screen is referred to as a page, and one screen is referred to as a page.
is equipped with a plurality of function switches F1 to F8 arranged below one display section DPY. The function of each function switch Fl-F8 changes depending on the screen state of the display DPY, that is, the page content.
On the screen, each function switch F1 to F8 is placed in a position corresponding to each function switch F1 to F8.
A display showing the functions currently assigned to the Shift key 5H next to function switches F1 to F8
IFT is for shifting the function display of each function switch F1 to F8 on the screen of one display section DPY. This shift key 5HIFT is for 1 screen (1 page)
This is used when dual functions are assigned to each function switch Fl-F8.

The data input section 42 is a sliding type operator for inputting numerical data.

The voice key VOICE is a key switch operated in order to call up the voice selection page on the 1 display section DPY. The voice selection page is where you can select the desired voice or tone (
This is the display screen when selecting a composite tone.

The edit key EDIT is a key switch that is operated when starting editing work to change or modify the content of a desired voice.

Store key 5TORE is 1 when 1 editing work is completed.
This is a key switch operated to save edited voice data.

The enter key ENTER is a key switch operated to confirm input of data or the like.

The cursor key C5R is a key switch operated to move the cursor display on the 1-display section DPY left and right or up and down, or to instruct numerical data to increase or decrease.

Although there are other switches and operators on the operation panel 15, explanations of these will be omitted.

The tones that can be used with the Kobo 3tz Gogai electronic musical instrument include instrumental tones that imitate the tones of existing instruments such as pianos and violins,
There are various tones that can be set or changed arbitrarily by the performer. In this embodiment, the latter type of tone is called a voice. However, there is no meaning in excluding tones such as the tones of musical instruments such as art materials in the voice. In other words, the voice composed of a piano may imitate the tones of an instrument such as a piano. In the following explanation, timbre refers to voice, but for the electronic musical instrument as a whole, there is no problem even if the specification allows selection of instrument tones or some preset tones in addition to such voices. In this embodiment, musical tone signals generated in a plurality of series are synthesized to generate a musical tone signal corresponding to one voice.

Each series of musical tone signals or timbres thereof that are constituent elements of one voice will be referred to as elements or element timbres. In that sense, the voice in this embodiment can be said to be a "composite tone" that is a combination of a plurality of element tones.

Next, an example of the memory format of the voice data memory VDM and voice edit buffer memory VER will be explained with reference to FIG.

Voice data memory VDM is for each voice.

Each voice data that realizes the voice is stored. The voice edit buffer memory VER is a buffer that stores voice data of the voice being edited. These voice data memory VDM and voice edit buffer memory VEB consist of readable and writable memories.

For example, a portion of the data and working RAM 12 (FIG. 2) is utilized.

The voice data memory VDM has a voice data area that stores voice data for each voice distinguished by voice numbers 0 to n. The starting address of each voice data area is indicated by the voice pointer VOI CE P.

One voice data area includes an area for storing "voice name", an area for storing "voice mode", and an area for storing "common data".

It consists of four "element parameter data" areas each storing parameter data corresponding to four individual elements.

In this embodiment, one voice can be synthesized using up to four elements. One element corresponds to one series of musical tone signals generated using one channel of the PCM sound source 17 or FM sound 'g18. The types of parameter data to achieve the desired tone (element tone) are the PCM sound source 17 and F.
It is different from the M tone source 18, and the data content is also different for each element tone. On the other hand, there is also parameter data that is common to all element tones. In this way, parameter data that is common to all elements in the voice is called "common data" and is stored in the "common data" area. On the other hand, the parameter data that differs for each element is called "element parameter data", and this is the "element parameter data" corresponding to each element.
Store in area. Each “element parameter data”
The start address of the area is element start pointer E.
It is indicated by SP(1) to ESP(4).

Each element start pointer E S P (1) to E
The elements respectively indicated by S P (4) are distinguished as elements 1 to 4.

The "voice mode" mainly indicates the combination of the type of sound source and the number of sequences used to realize the voice. ``rVoice mode data'' indicating which mode is selected among a plurality of predetermined voice modes is stored in this ``Voice mode'' area. As will be described later, depending on the "voice mode", it is determined whether each of the four elements uses a PCM sound source, an FM sound source, or neither.

The voice edit buffer memory VEB has a capacity that can store one set of voice data for one voice, and in detail, it has a common data buffer CDB, an FM edit buffer 7FMEB, and a PCM edit buffer PCME.
It has B. Common data buffer CDB has an area for storing "voice name" and "voice mode".
It has an area for storing "common data" and an area for storing "common data". FM Edit Buff 7FMEB.

It has FM element edit buffers 1 to 4 which can each store parameter data of four elements. The PCM edit buffer PCMEB is also a PC that can store parameter data for each of the four elements.
It has M element edit buffers 1 to 4.

In this way, the reason why edit buffers FMEB and PCMEB corresponding to different sound sources are provided for the maximum number of elements is to be able to respond immediately even if the voice mode is changed during editing. When editing a voice in a voice mode where two elements use an FM sound source and two other elements use a PCM sound source, first the voice data for that voice is imported from the voice data memory VDM to Voice Editor. Copied to buffer memory VER. In that case, copy the "Voice name", "Voice mode" and "Common data" to the common data buffer CDB.
, the parameter data of the two elements corresponding to the FM sound source are copied to the two FM element edit buffers 1 and 2 in the FM edit buffer FMEB.
1. The parameter data of the two elements corresponding to the PCM sound source are copied to two PCM element edit buffers 1 and 2 in the PCM edit buffer PCMEB. And the remaining 2 that were not copied
The two FM element edit buffers 3 and 4 contain
storing predetermined initial values (or reference values) of "r element parameter data for FMiJ source";
Similarly, for the remaining two PCM element edit buffers 3 and 4 that were not copied,
By storing predetermined initial values (or reference values) of each element parameter data, for example, by changing the voice mode data stored in the common data buffer CDB during one editing operation. When changing to a voice mode in which all four elements are used as FM sound sources (or PCM sound sources), the contents of the four FM element edit buffers 1 to 4 (or PCM element edit buffers 1 to 4) are immediately used effectively. can do. In other words, if the total number of element edit buffers is set to 4, the maximum number of elements, in the example above, the data content of the element edit buffer must be changed from PCM to FM (or vice versa). It is troublesome. However, if this embodiment is used, such trouble is not required.

Note that the start address of each of the maximum 4 element edit buffers in use out of a total of 8 element edit buffers is the edit start pointer E.
It is indicated by D S (1) to E D S (4).

f"璽(i:" 綿目朋) Next, to explain the "voice mode", in this embodiment, there are 10 voice modes.The voice modes are as follows:
The combination of the type of sound source to be used and the number of sequences is mainly defined, and furthermore, the distinction between single notes and multiple notes and the number of simultaneous pronunciations in the case of multiple notes are defined. The combination of the type of sound source to be used and the number of sequences can be defined by clarifying whether the sound source used in four elements 1 to 4 is PCM or FM, or whether this element is not used. can. This is defined by data called "element type". There are three types of "element types": 0, 1, and 2, and the contents of each are as follows.

Element type O: Element type not used: Element type 2: Uses an FM sound source Element type 2: Uses a PCM sound source The element types of each of the four elements 1 to 4 in each voice mode are shown in Figure 9. The contents are stored in advance in the element type table ETT. This element type table ETT also stores data indicating the actual number of simultaneous pronunciations. In other words, the actual number of simultaneous pronunciations is the maximum value at which musical tone signals of different pressed keys can be produced simultaneously.

Voice modes 1 to 3 are voices in single note production mode, and the number of simultaneous pronunciations is one.

In voice mode 1, element 1 is element type 1, that is, an FM sound source, and the other elements 2 to 4 are element type 0, that is, not used. Therefore, it is a single series of voices consisting of element tones of an FM sound source.

In voice mode 2, elements 1 and 2 are element type 1, that is, FM sound source, and the other elements 3 and 4 are element type 0, that is, not used. Therefore, F.M.
The voice consists of two single-note series (two series means that musical tones related to the same pressed key are generated in two channels) consisting of element tones of the sound source.

In voice mode 3, all elements 1 to 4 are element type 1, that is, FM sound sources. Therefore.

The voices are four series of single notes (four series means that musical tones related to the same pressed key are generated in four channels) consisting of element tones of an FM sound source.

Voice modes 4 to 10 are voices in multitone mode, and the number of voices that can be produced simultaneously is as shown in the table.

In voice mode 4, element 1 is element type 1, that is, an FM sound source, and the other elements 2 to 4 are element types 0, that is, not used. Therefore, it is a series of multiple-tone voices consisting of element tones of an FM sound source,
The number of sounds that can be produced simultaneously is 16.

In voice mode 5, elements 1 and 2 are element type 1, that is, FM sound source, and the other elements 3 and 4 are element type 0, that is, not used. Therefore, F.M.
It is a two-series voice consisting of the element tones of the sound source, and the number of sounds that can be produced simultaneously is eight.

In voice mode 6, element 1 is element type 2, ie, a PCM sound source, and the other elements 2 to 4 are element type 0, ie, not used. Therefore, PCM
This is a single series of multiple-tone voices made up of the element tones of the sound source, and the number of sounds that can be produced simultaneously is 16.

In voice mode 7, elements 1 and 2 are element type 2, that is, PCM sound sources, and other elements 3 and 4
is element type O, that is, it is not used. Therefore, P
This is a two-series voice consisting of the elemental tones of a commercial sound source, and the number of sounds that can be produced simultaneously is eight.

In voice mode 8, all elements 1 to 4 are element type 2, that is, PCM sound sources. Therefore, the voices are four series of complex tones consisting of the element tones of the PCM sound source, and the number of sounds that can be produced at one time is four.

In voice mode 9, element 1 is element type 1, or FM sound source, and element 2 is element type 2.
That is, it is a PCM sound source, and the other elements 3 and 4 are element type 0, that is, they are not used. Therefore, it is a two-series voice consisting of a combination of element tones of the PCM sound source and element tones of the FM sound source, and the number of sounds that can be produced simultaneously is 16.

In voice mode 10, elements 1 and 2 are element type 1, that is, FM sound source, and elements 3 and 4 are element type 2, that is, PCM sound source. Therefore, it is a complex-four series of voices consisting of a combination of two PCM sound source series and two FM sound source series, and the number of simultaneous sounds that can be produced is eight.

Figure 10 shows an example of the main data stored in the data and registers in the working RAML2, and the role of each will be clarified later in accordance with the explanation of the flowchart.

FIG. 11 shows an example of the contents of the entry point table EPT. The entry point table EPT responds to the on event of the switch according to the correspondence between the display screen (page) on one display unit DPY and the on switch on the operation panel 15. This is a table that indicates the next routine to be executed according to the selected routine.

Next, an example of the process executed by the microcomputer will be described with reference to the flowcharts from FIG. 12 onwards.

FIG. 12 shows an example of the main routine.

First, when the power is turned on, a predetermined initialization process is performed.

Primary level that initializes the contents of each register and memory.

The "key scan and assignment process" scans each key switch in the keyboard circuit 14 to detect whether it is on or off, and then assigns the pressed key to one of a plurality of sound generation channels. "Assignment processing"
One of the processes executed in the process is "key-on event processing", examples of which are shown in FIGS. 25 and 26, and the details will be explained later. In this "key-on event processing", when a key is newly pressed, the PCM sound source 17 and/or F
Processing for assigning to the channel of the M sound source 18 is performed.

In "performance controller processing", the performance controller 16
detects the operation, and performs predetermined processing when the operation state changes.

In "function switch processing", an on event (change from off to on) of the function switch unit FSW is detected, and if the on event is detected,
A function switch-on event routine as shown in FIG. 13 is performed.

"Other panel scan processing" scans other controls and key switches on the operation panel 15 to detect whether they are on or off, and performs various processes based on the detection. The entry point table EPT shown in FIG. 11 is referred to in accordance with the switch and the current page of the display unit DPY, and the switch-on event subroutines shown in FIGS. 14 to 24 are called.

The entry point table EPT shown in FIG. 11 has a vertical column in which the vertical column indicates the on event of each key or switch, and the horizontal column indicates the page of the display unit DPY at the time of the switch on event. The symbol written at the intersection of the horizontal column indicates the subroutine to be called (that is, the entry point of the subroutine). Each subroutine will be explained later. Note that here, the symbol rNoEPJ indicates "no entry point". This means that there is no subroutine (or entry point) to be called.

Function Switch On When any of the function switches F1 to F8 is turned on, the function switch on event routine shown in FIG. 13 is executed. First, the number of the turned-on function switch is stored in the function switch buffer FSWBUF, and then this function switch buffer FSWBUF and the current page PAG are stored.
E to create the entry point table EPT in Figure 11.
, obtains the entry point data of a predetermined event processing subroutine assigned to the function switch in the page, and stores this in the entry point buffer EPBUF. After confirming that the contents of this entry point buffer EPBUF are not No/Entry Point NoEP, the event processing subroutine corresponding to the contents of this entry point buffer EPBUF is called. Note that the current page PAGE indicates the current display page of the display unit DPY.

Voice number UλU knee A voice number indicating one voice currently selected for one sound generation or for editing work in this electronic musical instrument is stored in a predetermined register, that is, a voice number register. The voice number stored in this voice number register is indicated by VN. By referring to this voice number VN, it is possible to know which voice is currently selected.

The desired voice can be selected by calling the "Voice Selection" page as shown in FIG. 7), the entry point table EPT (FIG. 11) calls the "Voice Selection Subroutine JEPV" and enables voice selection.

The voice selection subroutine EPV will be explained with reference to FIG. 14. First, the contents of the current page PAGE indicating the page on the display section DPY are set to rlJ indicating the "voice selection" page (step 50).

Next, the screen display of the display unit DPY is changed to the "Voice Selection" page as exemplified in the 27th episode, and the voice name of each selectable voice is displayed together with the voice number, and the cursor is moved to the voice number VN. It is placed at a specific voice position (step 51).

Next, the voice data pointer VOI CEP for reading out the voice data memory VDM (FIG. 8) is set to a value corresponding to the current voice number VN (step 52).

Next, voice mode data is read from the voice data area indicated by the voice data pointer VOI CE P and set in the voice mode register VMODE. In other words, VMODE indicates the voice mode of the currently selected voice, and element start pointers ESP (1) to ESP (4) are used to indicate the four "element parameters" in the voice data area indicated by the voice data pointer VOICEP. The data area is set to the corresponding value (step 53).

Next, depending on the contents of the voice mode register VMODE, refer to the element type table ETT (Fig. 9) and determine the number of simultaneous sounds (the value in the column of the number of simultaneous sounds in the element type table ETT) in that voice mode. This is then stored in the register N5C for the number of simultaneous sounds (step 54).

With the "voice selection" page shown in FIG. 27 displayed on the display DPY in this way, next time you operate the data input section 42 or the cursor key C8R (FIG. 7), the The voice number VN is changed and the desired voice can be selected.

To explain this point, when the data input section 42 is operated while the "Voice Selection" page is displayed, the entry point table EPT (FIG. 11) displays "
When the voice selection numeric input subroutine JEPDS (1) is called and the cursor key C8R□ is operated with the "Voice selection" page displayed, the "Voice selection cursor key on" is displayed in the entry point table EPT (Figure 11). Event subroutine J EPCD
Call (1), and press cursor key C5R.

There are two types of cursors: up and down cursors and left and right cursors.
Although the respective processing contents are somewhat different, for convenience of explanation, the description will be made assuming that there is only one cursor key C5R.

Voice selection numerical value input subroutine E P D S (1
) and the voice selection cursor key-on event subroutine EPCD (1) will be explained with reference to FIG.
First, when the data input section 42 is operated, the voice number VN is changed according to the numerical value inputted by the data input section 42 (step 55).

Next, the position of the cursor in one display section DPY is moved to the position of a specific voice indicated by the new voice number VN (step 56).

The processes of steps 57, 58, and 59 to be performed next are the same as the processes of steps 52, 53, and 54 in FIG.
The voice data pointer VOICEP and element start pointer E S correspond to the new voice number VN.
The settings of P (1) to E S P (4), the voice mode VMODE, and the simultaneous sound generation register N5CH corresponding to the voice mode are performed.

If cursor key C8R is pressed, voice number V
The value of N is increased by 1 (step 60).

This increase is done by modulo 16. The reason for modulo 16 is that the number of selectable voices is 16.

Thereafter, the processes of steps 56 to 59 described above are performed.

As is clear from the above, a desired voice number can be input at once by operating the data input section 42.
With cursor key C8R, voice number V is pressed every time it is suppressed.
By shifting N by one, the desired voice number is finally input.

Guide to Sanyori 2. When performing editing work to change or modify the voice data of a desired voice, first call up the "Voice Selection" page on the display DPY as described above and select the desired voice. , contents of each register VN, VOIC:EP, VMO
DE, N5CH, ESP (1) ~ ESP (4)
Next, by pressing the edit key EDIT (FIG. 7), editing processing can be entered.

When the display screen of the display unit DPY is the "Voice selection" page, by pressing the edit key EDIT, the entry point table EPT (Figure 11) will display "Calling edit introduction routine J EPED." A detailed example of this edit introduction routine EPED is shown below. It is shown in FIG.

In the editor introduction routine EPED, first.

A set of voice data is read from the voice data area corresponding to the voice number VN and copied to the voice edit buffer VER (Fig. 8) (step 61). From now on, various editing mechanisms are performed in the voice edit buffer memory. This is applied to the voice data stored in the VEB. In other words, the voice edit buffer memory VER is a dedicated buffer for editing voice data.

The method of copying a set of voice data to the voice edit buffer VEB is as described above. That is, the "voice name", "voice mode" and "common data" are copied to the common data buffer CDB.

Also, each parameter data corresponding to up to four elements is stored in the FM edit buffer FMEB, depending on the element type, and the one corresponding to the FM sound source is stored in the lowest number of the four FM element edit buffers 1 to 4 in the FM edit buffer FMEB. The items corresponding to the PCM sound source are copied to the PCM edit buffer PCMEB.
4 PCM element edit buffer 1 in
4 to 4, copies are made in order of the smallest number.

Then, predetermined initial values (or reference values) of "element parameter data" for the FM sound source are stored in the remaining FM element edit buffers to which data has not been copied, and similarly, if data has not been copied, The remaining PCM element edit buffers contain
Each predetermined initial value (or reference value) of "element parameter data" for the PCM sound source is stored.

Next, the value of the voice data pointer VOI CE P is set to the start address of the edit buffer memory VER, and the value of the edit start pointer ED S (
1) to ED S (4) to the four FM element edit buffers 1 to 4 in the FM edit buffer FMEB and the PCM edit buffer PCME.
Of the four PCM element edit buffers 1 to 4 in B, parameter data corresponding to each of the four elements is set at the start address of the copied element edit buffer. Therefore, among a total of eight element edit buffers in the FM edit buffer FMEB and the PCM edit buffer PCMEH, the one that stores parameter data corresponding to each element 1 to 4 regarding the voice currently being edited is Edit start pointer EDS
(1) to E D S (4), respectively.

Next, read the voice mode data from the common data buffer CDB, set it to VMODE, and set this voice mode data to the voice mode VM (>DE is 10 voice modes 1 to 10).
10 (see Figure 9).
Step 63).

If the contents of voice mode VMODE indicate voice mode 1, 4, or 6 using only element 1, the process goes to step 64 to see if edit mode EMODE is greater than 2.

Edit mode EMODE indicates the content of the g collection work at the present time, and takes a value from 0 to 5.
The relationship between the value and the editing content is as follows.

EMODE=O: Voice mode selection EMODE=1: Common data editing EMODE=2
:Element 1 data editing EMODE=3 :Element 2 data editing EMODE=4 :Element 3
EMODE = 5: Data editing of element 4 Therefore, if the edit mode EMODE is greater than 2, it means that the mode is for editing data of element 2, 3, or 4, and only element 1 is used. This is unnecessary in voice modes 1, 4, or 6. Therefore, if step 64 is YES, the process goes to step 65 and the edit mode EMODE is reset to 0.

If the contents of voice mode VMODE indicate voice mode 2, 5.7, or 9, which uses only elements 1 and 2, go to step 66 and enter edit mode EMODE.
Check whether is greater than 3. Edit mode EM
ODE greater than 3 means that the mode is for data editing of element 3 or 4, voice mode 2, 5, 7 or 9 that uses only elements 1 and 2.
It is unnecessary in this case. Therefore, if step 66 is YES, the process goes to step 67 and the edit mode EMODE is reset to 0.

If the contents of voice mode VMODE indicate voice mode 3, 8 or 1° which uses all elements 1 to 4,
The process goes to step 68 without making a determination as to whether the edit mode is EMODE.

In step 68, it is determined which value of the edit mode EMODE is from 0 to 5, and the corresponding edit introduction subroutine (steps 69 to 74) is executed.

voice j 25 ash If the value of edit mode EMODE is 0.

An example of the voice mode selection introduction subroutine VMSSUB is shown in FIG.

First, in step 75, the contents of the current page PAGE indicating the page on the display section DPY are set to a predetermined value nE indicating the "Voice Mode Selection" page.

In the next step 76, the screen display of the display unit DPY is changed to the second
The "Voice Mode Selection" page as illustrated in Figure 8 is displayed, and the combination information of the sound source and number of sequences in each voice mode 1 to 10 and information indicating the distinction between single notes and double notes are displayed, and the page is displayed as indicated by the current voice mode VMODE. specific voice mode (i.e. the currently selected voice mode)
Place the cursor at the position, and display the sound source type of each element 1 to 4 in the currently selected voice mode in the upper right corner (this is called element configuration display).
, and rMODEJ as a display corresponding to each function switch F1 to F5.

rcOMJ, rE 1'', rE2J, rE 3J, rE
4J is displayed, indicating that the function of each function switch F1 to F5 is the edit mode selection function, rMODEJ indicates voice mode selection, and rcOM
J indicates common data edit, and "El" to "E4"
” indicates the edit mode for editing data for elements 1 to 4. In this function switch display, the current edit mode (voice mode selection MODE in this example) is normally displayed, and other edit modes are are displayed in white to indicate that these edit modes can be selected by operating the function switch.

Note that the process of changing the screen display of the first display unit DPY to the "voice mode selection" page as illustrated in FIG. 28 is performed by the voice mode selection introduction subroutine VMSSUB as described above.
In other words, in edit mode pages other than the voice mode selection page, as described above,
Voice mode selection is assigned to the function switch Fl, and when the function switch F1 is turned on while these edit mode pages are being displayed on the display unit DPY, the entry point table EPT (Fig. 11) is displayed. ) calls the "voice mode selection subroutine" EPVM.

This voice mode selection subroutine EPVM is the voice mode selection introduction subroutine VMSSU in FIG.
Shown together with B. first.

In step 77, the edit mode EMODE is set to "0" indicating "voice mode selection", and then steps 75 and 76 are performed.

With the "Voice Mode Selection" page shown in FIG. 28 displayed on the display section DPY in this manner, when the data input section 42 or the cursor key C8R is operated, the voice mode VMODE is selected accordingly. The desired voice mode can be selected.

To explain this point, when the data input section 42 is operated while the "voice mode selection" page is displayed, the entry point table EPT (Fig. 11)
``Voice mode selection numeric input subroutine J EP
Call DS (nE), also select "Voice mode selection"
When the cursor key C8R is operated while the page is displayed, entry point table EPT (first
1) calls the voice mode selection cursor key-on event subroutine JEPCD(nE).

Voice mode selection numerical value input subroutine EPDS (nE
) and voice mode selection cursor key-on event subroutine EPCD(nE) will be explained with reference to FIG. 18. First, when the data input section 42 is operated,
The voice mode VMODE is changed according to the numerical value input by the data input section 42 (step 78).

Next, the position of the cursor on the display section DPY is moved to the position of the specific voice mode indicated by the new voice mode VMODE (step 79).

In accordance with the new voice mode VMODE, the sound source type of each element 1 to 4 in the voice mode is read from the element type table ETT (Fig. 9), and the element configuration corresponding to this is displayed at the upper right of the screen of the display unit DPY ( Step 80).

Next, the edit start pointers EDS (1) to E D of each element 1 to 4 in the edit buffer memory VEB are set according to the new voice mode VMODE.
The value of S (4) is reset (step 81), which corresponds to each edit start point EDS (1) ~
E D S (4), new VOI X (--DO VMOD
This is to match E.

Next, according to the contents of the new voice mode VMODE, refer to the element type table ETT, determine the number of simultaneous sounds in that voice mode (the value in the column for the number of simultaneous sounds in the element type table ETT), and It is stored in the register N5CH for the number of sounds that can be produced (step 82).

If cursor key C8R is pressed, voice mode V
The value of MODE is increased by 1 (step 83). If the value of VMODE increased by 1 is greater than 10, the value of this VMODE is is reset to "1" (steps 84, 85), then steps 79 to 82 described above
Process.

As is clear from the above, a desired voice mode can be selected at once by operating the data input section 42,
With cursor key C8R, voice mode V is set for each suppression.
By shifting the value of MODE one by one, the desired voice mode is finally selected.

Go-V->Data U- At step 68 in Figure 16, edit mode EMODE is selected.
When it is determined that the value of is 1, the common data edit introduction subroutine C0M5UB is executed. An example of this subroutine C0M5UB is shown in FIG.

First, in step 86, the content of the current page PAGE indicating the page of one display section DPY is set to a predetermined value nE+1 indicating the "common data edit" page.

In the next step 87, the screen display of the display unit DPY is changed to the second
Display the "Common Data Edit" menu page as shown in Figure 9, display various common data names, place the cursor on the currently selected common data name, and select the currently selected voice mode VMODE. The sound source type of each element 1 to 4 is displayed in the upper right corner. In addition, as described above, each function switch F1 to F5
Note that here, function switches corresponding to elements that are not used in the element configuration in the currently selected voice mode VMODE are not displayed.

In the example of FIG. 29, rE3J and rEl are not displayed.

Note that the process of changing the screen display of the first display unit DPY to the "Common Data Edit" menu page as shown in FIG. In other words, in edit mode pages other than the "common data edit" menu page, as described above,
The function of selecting common data editing is now assigned to function switch F2.

When function switch F2 is turned on while these edit mode pages are displayed on display unit DPY, entry point table EPT (first
1), the “common data edit subroutine J
Call EPCOM.

This common data edit subroutine EPCOM is shown together with the common data edit introduction subroutine C0M5UB in FIG. Here, in step 88, the edit mode EMODE is set to [
"Common Data Edit" is set to rlJ, and the processing of steps 86 and 87 is performed first.

In this way, when the data input section 42 or the cursor key C8R is operated while the "Common Data Edit" menu page as shown in FIG. 29 is displayed on the display section DPY, the The cursor moves and desired common data can be selected. After selecting the desired common data, press the enter key ENTE.
Press R (Figure 7) to display the entry point table EP.
"Common Data Edit" with reference to T (Figure 11)
The lower subroutine EPET (nE+1) is called, and accordingly the page of 1 display section DPY is switched to the lower page, and the detailed contents of the desired common data can be changed and
Corrections can be made.

Description of this lower subroutine EPET (nE+1) will be omitted.

Data collection of Roasted Menu - Here, the details of data editing regarding element 1 will be explained, and the detailed explanation of data editing regarding other elements 2 to 4 will be omitted because the processing is almost the same as this.

In step 68 of Fig. 16, edit mode EMODE is selected.
When it is determined that the value of is 2, the edit introduction subroutine EISUB of element 1 is executed. An example of this subroutine EISUB is shown in FIG.

First, in step 89, the element type table ETT is referred to in accordance with the voice mode VMODE, the sound source type of element 1 is read out, and this is stored in the element type buffer ETBUF.

Next, in step 90, element type buffer E
Check the value of TBUF. "O", that is, if this element is not used, this subroutine ends, but "1"
That is, if it is the FM type, the process goes to step 91 and sets the contents of the current page PAGE, which indicates the page of 1 display section DPY, to a predetermined value nE+2, which indicates the "rFM data edit" page.

In the next step 92, the screen display of the display unit DPY is changed to the third
0), display various FM parameter data names, and place the cursor on the currently selected FM parameter data name.

The sound source type of each element 1 to 4 in the currently selected voice mode VMODE is displayed in the upper right corner. Further, similar to the above, displays corresponding to each of the function switches F1 to F5 are performed.

To explain an example of the FM parameter, Algo
This is an algorithm parameter for setting connection combinations of M calculation units OPI to OP6. 0PEG is a parameter that sets the envelope waveform for each calculation unit 0PI-OPe. Also.

FB PCL is feedback level data FLI to FL6 for each arithmetic unit OPI to OPe and external input level control data EXTLI to EXTL6 (see Figure 4).
This is a parameter to set.

On the other hand, the value of element type buffer ETBUF is "2".
"In other words, if it is a PCM type, go to step 93,
The contents of the current page PAGE, which indicates the page of the display section DPY, are set to a predetermined value nE+3, which indicates the "rPCM Data Edit" page.

In the next step 94, the screen display of the 1 display section DPY is changed to the 3rd screen.
1, display the various PCM parameter data names, place the cursor on the currently selected PCM parameter data name, and select the currently selected voice mode VMODE. The sound source type of each element 1 to 4 is displayed in the upper right corner. Further, in the same manner as described above, the display corresponding to each function switch Fl-F5 is performed.

In step 95, the edit mode EMODE is set to "2", which instructs data editing of element l.

The setting of "2" in step 95 is valid when the value of the edit mode EMODE is still other than "2".

In addition, the screen display of the display unit DPY is shown in FIG. 30 or 31.
The process of creating a page for the ``rFM Data Edit'' menu or the ``rPCM Data Edit'' menu as illustrated in the figure can be performed not by the introduction subroutine EISUB of element 1 as described above, but also by the edit subroutine EPEA of element 1. In other words, on the pages of various edit modes, the function to select the data edit of element l is assigned to the function switch F3 as described above, and these edit modes are displayed on the display DPY. If function switch F3 is turned on while the page is being displayed, entry point table EPT (11th
), "Edit subroutine J of element 1"
Call EPEI.

The edit subroutine EPEl of element 1 is the introduction subroutine EI of element 1 in FIG.
Shown with SUB. Here, step 96
, check whether the edit mode EMODE has already been set to ``2'' indicating ``edit element 1'', and if YES, return without executing this subroutine further, but if NO, change to another edit mode. Since this means that the mode has been switched to the edit mode of element 1, this subroutine is continued and the processes of steps 89 to 95 described above are performed.

In this way, with the display section DPY displaying the page of the "rFM Data Edit" menu or the "rPCM Data Edit" menu as illustrated in FIG.

When the data input section 42 or the cursor key C8R is operated, the cursor moves accordingly, allowing desired parameter data to be selected. After selecting the desired parameter data, press the ENTER key (Figure 7) to display the entry point table EPT (Figure 11).
Refer to the ``FM Data Edit'' menu or r
Subroutine EPET(nE+2) or EPET(nE
+ 3) is called, and accordingly, the page on the display section DPY switches to the lower page, and the desired FM or P
The detailed contents of CM parameter data can be changed or modified. This lower subroutine EPE T(n
Explanation regarding E + 2) or EPET (nE+3) will be omitted.

To explain an example of changing/correcting the detailed contents of FM parameter data, on the "rFM Data Edit" menu page in Figure 30, the parameter 1 number 9 FB PC
Select L edit (that is, move the cursor to number 9)
When the enter key ENTER is pressed at the same time, the display section DPY1 changes to the feedback and PCM level edit page as shown in FIG. On this page screen, operate the cursor key C8R and data input section 42 as appropriate to
The feedback level and PCM level are each set to desired values for each P6. As mentioned above, the feedback level is level data that sets the ratio at which the output of the own arithmetic unit is fed back as the own modulated wave signal.
This is the feedback level data FL in Figure 4.
Corresponds to I to FL6. The PCM level refers to the output musical tone signal of the PCM sound source 17 at each calculation unit O of the FM sound source 18.
This is level data for setting the ratio to be input as a modulated wave signal to Pl to OP6, and this corresponds to external input level control data EXTL1 to EXTL6 in FIG. 4.

As described above, when feedback and PCM modulated wave signals are not used, the values of these level data are set to 0.

The above is a description of data editing regarding element 1, but data editing regarding other elements 2 to 4 can be performed using substantially the same procedure.

That is, if it is determined in step 68 of FIG. 16 that the value of the edit mode EMODE is 3, the edit introduction subroutine E2SUB of element 2 is executed (step 72), and if EMODE=4, the edit introduction of element 3 is executed. Executes subroutine E3SUB (
step 73), element 4 if EMODE=5
By executing the edit introduction subroutine E4SUB (step 74) and turning on the function switches F4 to F6 when the edit mode page is displayed on the 1 display DPY, the entry point table EPT (Fig. 11) is element 2
The ``edit subroutine'' from 4 to 4 is called and executed.

Xh7 When the desired edit for 1st base is completed, store key 5TORE
(FIG. 7) is pressed to set the mode in which edited voice data is returned from the voice edit buffer memory VEB to the voice data memory VDM.

When the display screen of the display unit DPY is in some edit mode page, when the store key 5TORE is pressed, the r store subroutine J EPST is called in the entry point table EPT (Fig. 11).A detailed example of this store subroutine EPST is as follows. It is shown in FIG.

In the store subroutine EPST, first, the page data of the current page PAGE is transferred to the page buffer PAGEBUF, and the contents of the current page PAGE are set to a predetermined value nS indicating a "store" page. The page buffer PAGEBUF is the 0th order provided to return the screen to the original page during the store process or after the store process is completed.

The screen display of the display unit DPY is as shown in FIG.
Store" page, display the current voice number and voice name, display the voice name corresponding to each voice number, and place the cursor at the position of the voice number specified by Store Voice Number 5TVN. The QUIT key is displayed corresponding to switch F1, and function switch F1 is displayed.
8, the start key 5TRT is displayed.

In this way, when the data input section 42 or the cursor key C8R is operated while the "Store page" is displayed on the display section DPY as shown in FIG. The desired voice number can be selected in which the value is changed and the collected voice data is to be stored.

To explain this point, when the data input section 42 is operated while the [Store] page is displayed, in the entry point table EPT (Fig. 11), the "Store Voice Number Numerical Input Subroutine J EPDS (n
s) and with the "Store" page displayed.

When the cursor key C8R is operated, the entry point table EPT (Fig. 11) displays the "cursor key on event subroutine J" for selecting a store voice number.
Call Epco (nS).

Store voice number numerical input subroutine EPDS (n
s) and cursor key-on event subroutine EPCD
To explain (nS) with reference to FIG. 22, first,
When the data input section 42 is operated, the value of the store voice number 5TVN is changed according to the numerical value inputted by the data input section 42.Next, the cursor position on the display section DPY is changed to the new store voice number 5TVN.
Move to the specific voice number position indicated by N. Also, if cursor key C5R is pressed, increase the value of store voice number 5TVN by 1 modulo 16,
Thereafter, the position of the cursor on the display section DPY is moved to the position of the specific voice number indicated by the new store voice number 5TVN.

After registering the desired voice number in which the edited voice data is to be stored in the store voice number 5TVN, the start key 5TRT (that is, the function switch F8) is turned on. Then, the "store execution subroutine" shown in FIG. 23 is called by the entry point table EPT. Here, first, click "rNov Storin" at the bottom of the Storeno page screen.
A display such as gJ is displayed to indicate that the store is being executed.

Then, a store voice pointer 5TVP is set according to the store voice number 5TVN. This store voice pointer 5TVP indicates the start address of the voice data area in the voice data memory VDM corresponding to the voice number 5TVN.

Then, the data in the voice edit buffer memory VER is transferred to the voice data area in the voice memory VDM indicated by the store voice pointer 5TVP. In that case, the voice edit buffer memory V
Rather than transferring all EB data, necessary data is transferred according to the contents of the voice mode VMODE. First, the "voice name", "voice mode" and "common data" of the common data buffer CDB are stored in the voice memory VD.
Next, the four FM element edit buffers 1 to 4 in the FM edit buffer FMEB and the four P in the PCM edit buffer PCMEB are transferred to the corresponding areas of the voice data area in M.
Among the CM element king edit buffers 1 to 4, only those necessary according to the contents of the voice mode VMODE,
It is transferred to the corresponding element parameter data area of the voice data area in the voice memory VDM.

Then, move the contents of the current page PAGE to the next page n S
+1, and a predetermined store end display (for example, rcomplete J is displayed at the bottom of the screen).

On the "store" page with page number ns or the "store end" page with page number nS+1, the function switch F1 functions as a quick key QUIT, and when this is turned on, the quick key on event subroutine shown in FIG. 24 is executed. Here, page buffer P
A routine is called to move the page data of AGEBUF to the current page PAGE and enter the page indicated by this current page PAGE. As a result, the quick key QU during the store process or after the store process is completed.
1. When T is turned on, the screen of the display unit DPY is returned to both sides of the page that was processed immediately before starting the store process. This allows editing to be done again.

Month 111r ((When the blocking key is pressed anew, the key-on event process shown in FIG. 25 is performed, and the sound produced by the pressed key is assigned to one or more channels.

First, the key code of the pressed key related to the key-on event is stored in the key code register KCODE, and the corresponding touch data is stored in the touch data register TDATA (step 100).

Next, a primary allocation channel ASCH is determined according to the number of simultaneous sounds registered in the simultaneous sound generation register N5CH, and a new pressed key is provisionally allocated to this primary allocation channel ASCH (step 101).

The primary allocation channel ASCH is not an actual sound generation channel, but is used at a stage prior to allocation to an actual sound generation channel. Primary allocation channel ASC
The number of H corresponds to the number of sounds that can be produced simultaneously. In the case of multi-sequence pronunciation of the same key, the same key is assigned to multiple channels in the actual pronunciation channel, but the same key can only be assigned to one channel in the primary assignment channel ASCH, which is the number of simultaneous pronunciations possible. An example of the relationship between the actual sound generation channels, of which there are 16 in total on N5CH1, and the primary assigned channel ASCH is as follows. Note that each of the actual sound generation channels, which are 16 in total, is represented by a number from O to 15, and each of the primary assigned channels ASCH is represented by a number from O to 15.

When the number of simultaneous sounds N5CH=1: The primary assigned channel ASCH is only “0”.

As actual sound generation channels, rOJ to "3" are used depending on the number of sequences (number of elements used). However, the same key is assigned to each sound generation channel.

When the number of simultaneous sounds N5CH=4: The primary assigned channels ASC and H are "0" to "3", a total of 4.

The actual pronunciation channels are 4 in total: groups rO" to "3", groups "4" to "7", groups "8" to "11", and groups r12J to "15j".
Use groups. Each group is assigned a different key. The same key is assigned to channels within the same group depending on the number of sequences (number of elements used).For example, if only one element is used, the press key is assigned to only one channel within the same group. , if two elements are used, the same press key is assigned to two channels within the same group.

When the number of simultaneous sounds N5CH=8: There are a total of 8 primary assigned channels ASCH from rOJ to "7".

The actual pronunciation channels are "0" and "1" groups, "2" and "3" groups, "4" and "5" groups, "6" and "7" groups, "8" and "9
' group, rlOJ and '11' group, '1
A total of 8 groups are used: groups of ``2'' and ``13,'' and groups of r14J and ``15.'' Each group is assigned a different key. For channels within the same group, depending on the number of series (number of elements used),
The same key is assigned.

When the number of simultaneous sounds N5CH=16: There are a total of 16 primary assigned channels ASCH from "0" to "15".

For actual sound generation channels, "O" to "15" are used individually. A different key is assigned to each sound channel. The number of sequences (the number of elements used) is one.

In step 101, a new pressed key is provisionally assigned to one of the primary assignment channels ASCH determined as described above according to the number of N5CHs that can be sounded simultaneously. In addition,
In the following, the symbol ASCH will be explained as data specifying the number of one primary allocation channel whose provisional allocation was determined in this step lot.

In the next step 102, it is checked whether the provisional assignment was determined in the previous step 101. For example, if more keys than the number of keys that can be played simultaneously are pressed at the same time, the provisional assignment may not be determined in step 101. In this case, step 102 becomes NO. If the provisional allocation decision has been made, step 102 is YES, and the process proceeds to step 103.

In step 103, element number i is set to "1".

In step 104, the sound source type of the i-th element regarding the currently selected voice is extracted from the element type table ETT and registered in the element type buffer ETBUF.

In the next step 105, the actual channel to which the musical tone signal generation for the i-th element is assigned is determined;
Store the determined channel number in the channel buffer CHB.
Register with UF. This assigned channel is assigned to the voice mode VMODE and step 1 of the currently selected voice.
Based on the primary allocation channel ASCH tentatively allocated in step 01, the actual allocation routine as shown in FIG. 26 is used to decide. The details will be described later.

In the next step 106, the element type buffer E
The type of the i-th element stored in TBUF is O,
Check whether it is 1 or 2.

If it is “1” indicating that it is an FM sound source, step 10
7 and channel buffer C in FM sound source 18
The parameter data and common data of the i-th element, the key code and touch data in KCODE and TDATA, and a key-on signal KON indicating key-on are sent to the channel specified by HBUF.

"2" indicates that the element type is a PCM sound source
If so, the process goes to step 108, and the parameter data and common data of the i-th element are sent to the channel indicated by the channel buffer CHBUF in the PCM sound source 17.

and KC; sends the key code and touch data in ODE and TDATA, and a key-on signal KON indicating key-on.

After step 107 or 108, go to step 109. On the other hand, if the type of the i-th element is "0" indicating non-use, data is not sent to the tone generator channel as in step 107 or 108, and Go to step 109.

In step 109, it is checked whether i is 4 or more, and if no, the process goes to step 110, increments i by 1, returns to step 104, and repeats the routine of steps 104 to 109. Processing for determining the sound generation allocation channel is performed. When i becomes 4 or more, this key-on event processing is terminated.

To explain the actual allocation routine of FIG. 26, first, in step 111, it is checked whether the voice mode VMODE is between 1 and 10.

Voice modes 1 and 2 where the number of simultaneous sounds N5CH is 1
, 3, go to step 112 and determine the channel corresponding to the value of i-1 as the actual allocated channel,
Register in channel buffer CHBUF. Therefore, i
When =1, assign to channel i-1;0, i=2
When , it is assigned to channel i −1=1, and so on.

[) The same key is sequentially assigned to channels J to r3J. For elements that are not used, step 10
Since data transmission processing such as 7 or 108 is not performed, it is essentially the same as no allocation being made.

If the number of simultaneous sounds N5CH is 8 and the voice mode is 5 or 7 in which only one type of sound source is used, the process goes to step 113, and the channel corresponding to the calculation result of 2XASCH+i-1 is determined as the actual assigned channel. and register it in the channel buffer CHBUF. Therefore, if a key consisting of
When i=2, the channel corresponding to the calculation result "1" is assigned. As such, the same key is assigned to channels "0" and "1". Further, when another key is temporarily assigned to ASCH=1, when i=1, it is assigned to the channel corresponding to the calculation result "r2", and when i=2, it is assigned to the channel "3". and so on, "2" and "3"
Assign the same key to each channel.

In the case of voice mode 8 where the number of simultaneous sounds N5CH is 4, go to step 114 and perform 4 XASCH+i-1
The channel corresponding to the calculation result is determined as the actual allocated channel and registered in the channel buffer CHBUF. Therefore, when a key consisting of When, assign to channel “2”, i=
When the number is 4, the same key is assigned to channel ``3'', and so on, and so on. In addition, if another key is temporarily assigned to ASCf (=1), when i=1, it is assigned to the channel corresponding to the calculation result "4", and when i=2, it is assigned to the channel "5". Then, the same key is sequentially assigned to channels "4" to "7".

Voice mode 4 where the number of simultaneous sounds N5CH is 16,
6. Or, in the case of 9, the process goes to step 115, where the value of the primary allocated channel ASCH is used as the actual allocated channel and is registered in the channel buffer CHBUF.

Therefore, if a key consisting of, for example, is provisionally assigned to ASCH=O, the axis will be assigned to "0" of the actual assigned channel, regardless of the value of i. Therefore, in the case of voice mode 9 where two types of sound sources are used, for example, the key consisting of 1 is ASCH=
If the musical tone signal of element 1 corresponding to the FM sound source is temporarily assigned to channel "0" of the FM sound source, the musical tone signal of element 2 corresponding to the PCM sound source is assigned to channel "0" of the FM sound source.
It is assigned to the same channel rOJ of the CM sound source. In this way, the same key is assigned to the same channel of different sound sources.

In the case of voice mode 10 where the number of simultaneous sounds N5CH is 8 and two types of sound sources are used, step 11
6, the channel corresponding to the calculation result of 2XASCH+Peng od ((i-1)/2) is determined as the actual allocated channel, and is registered in the channel buffer CHBUF. Therefore, if we temporarily assign the key to ASCH=O,
When i=1, since od((i-1)/2)=O, it is assigned to the channel corresponding to the calculation result "0". When i=2, nod((i −1)/2) =
Since it is 1, it is assigned to the channel corresponding to the calculation result rlJ. When i=3, 5od((i −1)/2
) = O, so it is assigned to the channel corresponding to the calculation result "0". When i = 4, nod((i - 1);
/2) = 1, so it is assigned to the channel corresponding to the calculation result rlJ. As such, the musical sound signals of elements 1 and 2 corresponding to the FM sound source are assigned to channels "0" and "1" of the FM sound source, and the musical sound signals of elements 3 and 4 corresponding to the PCM sound source are assigned to the same channel "0" and "1" of the PCM sound source. 0" and "1" respectively. Also, if another key is provisionally assigned to ASCH=1.

The musical sound signals of elements 1 and 2 corresponding to the FM sound source are FM.
The musical sound signals of elements 3 and 4 corresponding to the PCM sound source are assigned to the same channels "2" and "3" of the PCM sound source, respectively.

The types of sound sources are not limited to PCM and FM, but other types may also be used6.For example, modulation calculation type sound sources are not limited to FM, but may also be based on amplitude modulation calculations (AM) or window function calculations. There are known devices such as those that can be used as the second sound source means.Also, as for the first sound source means,
Instead of M sound source.

A harmonic synthesis method sound source, a subtraction method sound source using a filter, or the like may be used, or a modulation calculation such as FM or AM may be used.

It is preferable that the sound source systems of the first and second sound source means are different, but if they are the same, it is desirable that the sound source systems of the first and second sound source means be configured so that they can each produce their own unique sound even if the product principle is the same. one of the first and second sound source means is an FM sound source;
A combination in which the other is an AM sound source is also possible.

In the above embodiment, the number of sequences (that is, the number of elements) in each sound source is automatically determined depending on the voice mode of the selected voice.

For example, referring to FIG. 9, in voice mode 5, F
Number of sequences of M sound sources = 2. The number of sequences of P-CM sound sources=0. In addition, in voice mode 7, the number of FM sound source series = O,
The number of PCM sound source sequences is 2.

In addition, in voice mode 10, the number of FM sound source sequences = 2.
The number of PCM sound source sequences is 2. However, instead of automatically determining the number of sequences for each sound source depending on the mode, it may be possible to allow the performer to set the number of sequences individually and arbitrarily. The configuration may be such that a table similar to the element type table ETT can be created arbitrarily.

The channels within each sound source are not limited to the time division type, but may be of the parallel type.

The number of voices that can be generated simultaneously is not limited to one, but may be multiple. In that case, it is preferable to allocate channels using a DVA (dynamic voice allocation) technique.

In a voice mode that uses only one sound source, the other unused sound source may be used for appropriate purposes. For example, one unused sound source can generate musical sounds that correspond to performance information given from a sequencer or external source. You may also do so. Furthermore, when the channel of the sound source to be used is all busy, the overflowing sound may be conveniently generated by the sound source that is not originally used.

In the above embodiment, the mixing circuit 23 is provided as a sound generation control means for simultaneously controlling the sound generation of the output musical tone signals of the two sound sources.
Although the output musical sound signals of both sound sources are synthesized by addition (or subtraction) on an electric circuit, the present invention is not limited to this, and the output musical sound signals of both sound sources can be synthesized by controlling the respective sound levels.
Sound may be generated from separate speakers and spatially added and synthesized.

(Effects of the Invention) As described above, according to the present invention, the second sound source means
The output musical tone signal of the sound source means can be used as a modulation signal whenever necessary, and the range of sound creation by modulation calculation in the second sound source means can be expanded. By controlling the output musical tone signals of the second sound source means to be generated simultaneously, the outputs of the two sound source means are appropriately combined from the unique tone of the first sound source means to the unique tone of the second sound source means. Ta,
You will be able to create a wide variety of sounds. It has this excellent effect.

[Brief explanation of drawings]

FIG. 1 is a functional block diagram showing an overview of the present invention, FIG. 2 is a block diagram illustrating the overall structure of an electronic musical instrument to which an embodiment of the musical tone signal generating device according to the present invention is applied, and FIG. FIG. 2 is a block diagram showing an example of a tone generator section in the figure. 4 is a block diagram showing an example of the FM sound source in FIG. 3, and FIG. 5 is a functional block diagram showing an example of a connection combination of the FM processing units in FIG. 4. 6 is a timing chart of various signals for realizing the connection combination of FIG. 5 in FIG. 4; FIG. FIG. 7 is a diagram showing an example of a display section, switches, etc. on the operation panel of FIG. 2. FIG. 8 is a diagram illustrating a memory map of a voice data memory and a voice edit buffer memory, and 9th wI is a diagram showing the contents of an element type table. FIG. 1O is a diagram listing various registers, and FIG. 11 is a diagram showing the contents of an entry point table. FIG. 12 is a flowchart illustrating the main routine executed by the computer in FIG. 2; 13 to 26 are flowcharts showing examples of various subroutines and switch-on event routines executed in the course of the main routine in FIG. FIG. 3 is a diagram illustrating the contents of various display screens on the illustrated display unit. 14...Keyboard circuit, 15...Operation panel, TO.
...Tone generator section, 17...PCM sound source, 1
8...FM sound source, DPY...display section, FSW...
Function switch section.

Claims (5)

[Claims] (1) a first sound source means that generates a musical tone signal based on the pronunciation instruction information; a second sound source means that generates the musical tone signal by executing a predetermined modulation operation based on the pronunciation instruction information; a modulation signal introduction control means for controlling the introduction of the output musical tone signal of the tone generator means into the modulation signal input of the second tone generator means; and controlling for simultaneously generating the output musical tone signals of the first and second tone generator means. A musical tone signal generator comprising a sound generation control means. (2) The modulation signal introduction control means is capable of setting and controlling the level of the output musical tone signal of the first sound source means to be introduced into the modulation signal input of the second sound source means. The musical tone signal generating device according to claim 1. (3) The second sound source means synthesizes a musical tone signal by a predetermined modulation calculation including a plurality of modulation calculation terms, and the modulation signal introduction control means controls the modulation signal input of the second sound source means. 3. The musical tone signal generating device according to claim 2, wherein the level of the output musical tone signal of the first tone source means to be introduced into the sound source means can be individually set and controlled for each modulation calculation term. (4) The sound generation control means can set and control the levels of the musical tone signals output from the first and second sound source means, respectively, thereby simultaneously controlling the output musical sound signals from the first and second sound source means. You can set the mixing ratio of both when producing sounds.
The musical tone signal generating device according to claim 1, wherein the musical tone signal generating device is controlled. (5) The musical tone signal generating device according to claim 1, wherein the sound source system of the first sound source means is different from the sound source system of the second sound source means.