JPH02127693A - Sound source unit - Google Patents

Abstract

PURPOSE:To increase the polyphonic number of a musical sound to be generated according to the number of connected sound source modules by connecting the sound source modules. CONSTITUTION:A sound source circuit 6 is a circuit which generates eight sounds at the same time and when sound source modulates are connected, all the sound source modules have a 1st polyphonic area in common and also have 2nd polyphonic areas specified individually, for example, without overlapping one another. When the respective sound source modules are put in simultaneously operation after the specification, updating operation on note information storage means of the respective sound source modules are carried out completely concurrently according to the same rule and the respective sound source modules are put in partial charge of only polyphonic channels in the 2nd polyphonic areas to control the generation of musical sounds. In this case, polyphonic area specifying means of the respective sound modules set the 2nd polyphonic areas optionally with equipment numbers and speedy setting operation is enabled even during performance.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a sound source device of a sound source module type that generates musical tones by inputting note information (musical sound data) from the outside, and more specifically relates to a sound source device of a sound source module type that generates musical tones by inputting note information (musical sound data) from the outside. The present invention relates to a sound source device that can be operated in conjunction with each other as a single sound source instrument when connected.

[Conventional technology]

AIDI (Musical In5tru+++
With the advent of the ENT Digital Interface system and the development of electronic musical instruments using digital signal processing, it has become possible to connect a plurality of electronic musical instruments to each other via MIDI and perform performance operations in synchronization.

In particular, for the purpose of such synchronized performance, many sound source module type electronic musical instruments without a performance section such as a keyboard have been developed, and by connecting multiple such sound source modules, advanced performance effects can be obtained. It is now possible.

In the above-mentioned sound source module, a keyboard or the like is connected externally, and N0TE ON data (note on data; pronunciation instruction data) or N0TE OF is input from there.
M such as F data (note-off data; mute instruction data)
By receiving the IDI data, sound production control such as production or muting of musical tones is performed. In this case, a single sound source module is usually capable of generating a plurality of musical tones in parallel through time-sharing processing, and a sound source module having a polyphonic number of about 8 to 16 sounds is common. When multiple such sound source modules are connected and used by MIDI, each sound source module is connected to each MIDI
By receiving data independently, it is possible to synchronize and perform multiple sound source modules. In this case, each of the 8- to 16-note polyphonic sound source modules performs sound generation operations in parallel and independently.

[Problems to be Solved by the Invention] However, in the conventional example described above, a plurality of sound source modules are only operated in parallel, and the sound source modules are connected in an expanded manner to combine multiple sound source modules into one sound source module. The problem is that it cannot be used in any way.

In order to solve the problem like 2, specifying the sound range for each sound source module and inputting N0TENo from the outside,
There is a conventional example in which the extensibility of the sound source is achieved by determining whether or not to produce a sound based on the note number (scale), but with this type, the sound source module that produces the sound is determined by the range of notes being played, When performing a performance that requires a lot of use, the number of polyphonic sounds per tone generator module is exceeded, making it impossible to produce any more sounds, and the problem is that the performance can only be performed with a narrow degree of freedom. There is.

Also, even numbered N0TE No, and odd numbered N0TE
There is a conventional example in which sounds are produced using separate sound sources for TENo and N.
If 0TE No. is specified, the same problem as in the case of specifying the range will occur.

An object of the present invention is to make it possible to expand the polyphonic number of musical tones produced according to the number of connected sound source modules by connecting a plurality of sound source modules, and in particular to set the polyphonic number for each sound source module with a simple operation. The purpose is to make it possible.

[Means for Solving the Problems] The present invention is based on a sound source device capable of receiving note information from the outside and controlling the production of musical tones based on the note information. In this case, each sound source device is connected to each other by MIDI, for example, and one of them has a performance section such as a keyboard, and the sound source devices are connected to each other by, for example, a playing section such as a keyboard. The configuration can be configured to control the sound source and the externally connected sound source module.

In the above sound source module, first, the polyphonic area specifying means is a means for specifying a second polyphonic area within a first polyphonic area consisting of a plurality of polyphonic channels by specifying a device number. Here, the term "polyphonic channel" refers to a plurality of sounding channels that allow simultaneous sounding of a plurality of scales when producing musical tones. For example, if the polyphonic number (number of simultaneous sounds) is allowed to be up to 64, the first polyphonic area refers to channels from the first channel to the 64th channel. The second polyphonic region refers to, for example, from the 9th channel to the 16th channel in the channel range described above. In this example, when the polyphonic area specifying means specifies device number 1, for example, the polyphonic area specifying means specifies the second
If you specify the device number 2, the second polyphonic area of channels 9 to 16 will be specified, and so on, just by entering the device number, the second polyphonic area will be specified automatically. For example, it is a cursor switch, a display device such as an LCD, and an arithmetic means for calculating the upper limit value and lower limit value of the second polyphonic area from the specified device number.

Next, the note information storage means is means for storing note information for each polyphonic channel in the first polyphonic area. The means includes, for example, each address corresponding to the first channel to the 64th channel.
This is a memory that can store note numbers, codes indicating that the sound is muted, and other information.

Subsequently, the polyphonic channel control means is means for updating the note information of the polyphonic channel in the first polyphonic area on the note information storage means according to a predetermined rule when note information is received. For example, when note-on (pronunciation instruction) data is received, the means selects a currently vacant channel or a muted channel among the addresses corresponding to the first channel to the 64th channel on the note information storage means. In addition, when note-off (mute instruction) data is received, note-off data is saved among the note numbers stored in each of the above addresses. Control is performed to change the note number that matches the note number to a code indicating that the sound is muted. Alternatively, the stored content may be controlled in the same manner as described above in accordance with note information that instructs changes in pitch (bend instructions) or changes in various effects.

Further, the musical tone control means is means for controlling the sound production of musical tones based on the note information stored in each polyphonic channel in the second polyphonic area on the note information storage means. The means may assign a note number to any one of the addresses corresponding to, for example, the 1st to 64th channels on the note information storage means, for example, the addresses of the 9th to 16th channels designated for the own sound source module. If stored, sound generation starts with that note number, and if a code indicating muting is stored, the currently sounding musical tone corresponding to the note number stored so far is muted.

In the above configuration, the musical tone control means has a mode in which musical tone production is controlled based on note information stored in each polyphonic channel in the second polyphonic area on the note information storage means, and a mode in which musical tone production is controlled based on note information stored in each polyphonic channel in the second polyphonic area on the note information storage means. It may also be possible to switch between a mode in which musical tones are unconditionally controlled based on the following.

Further, the note information inputted from the outside is MIDI.
(Musical Instrument D
The polyphonic area specifying means, the note information storage means, the polyphonic channel control means, and the tone control means may each operate independently for each MIDI channel.

[For production]

The effects of the present invention are as follows.

First, when a plurality of sound source modules as described above are connected, the first polyphonic area is common to all the sound source modules. Then, for each sound source module, the second polyphonic areas are specified so as not to overlap with each other, for example. In other words, for the first sound source module, specify device number 1 and use channels 1 to 8, 2
For the 1st sound source module, specify device number 2 and
Specify up to the 16th channel.

After the above specification, when each sound source module is operated at the same time, the updating operations on the note information storage means in each sound source module are performed completely in unison according to the same rule. Then, each sound source modière is assigned a second
Only the polyphonic channels within the polyphonic area of the musical tones are controlled.

Therefore, the connected sound source modules as a whole operate as if a single sound source module were producing musical tones.

In this case, the polyphonic area specifying means of each sound source module can easily specify the second polyphonic area using the device number, and quick setting is possible even during a performance.

〔Example〕

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

(Honjitsu-ko 5q bottom) FIG. 1 is an overall configuration diagram of an embodiment of the present invention.

This embodiment is realized as a sound source module type electronic musical instrument that produces musical tones by inputting MIDI data from the outside, and does not include a performance section such as a keyboard section.
Therefore, the performance section such as the keyboard section is connected to the outside via the IDI, but the NOTE is transmitted as MIDI data etc. from the outside.
As long as ON data and N0TE OFF data can be input, it may be realized as a normal electronic musical instrument having a keyboard section or the like.

In FIG. 1, an external input interface circuit 1 is an interface circuit that receives MIDI data, which is a serial digital signal.

The CPU 4 follows the program stored in the ROM 2 and uses the RAM 3 as a data memory.
Each operation flowchart described later is executed. This receives 14 IDI data from the external input interface circuit 1, inputs the on/off state of each switch of the console switch 8 through the console interface circuit 5, controls the display device 9, and performs each of these processes. Based on this, control processing for musical tone generation is performed. Note that the display device 9 is configured by an LCD.

The tone generator circuit 6 is a musical tone generation circuit that can simultaneously generate eight tones, and based on control processing related to pronunciation, such as start and end of tone generation, tone settings, and vibrato, from the CPU 4, the tone generator circuit 6 performs 8-time division processing corresponding to eight tones. Performs musical tone pronunciation processing and outputs a digital musical tone signal.

The D/A section 7 is a circuit that performs D/A conversion on the digital musical tone signal output from the sound source circuit 6, and then filters it with a low-pass filter to output an analog musical tone signal.

This analog musical tone signal is output from the main body of the sound source module to the outside, and is emitted via an external amplifier, speaker, headphones, or the like.

(Main S! Side Elbow 1) In this embodiment, a sound source module type electronic musical instrument configured as shown in FIG.
Musical Instrument Digital
A plurality of sound source modules can be connected to each other via a 1-interface, and the plurality of sound source modules can be used as a single musical instrument. In other words, normally, the number of polyphonic notes that can be produced simultaneously by one sound source module is about 8, and conventionally, even if multiple of these modules were connected, the 8-note polyphonic musical tones would only be produced as many times as the number of sounds. In this embodiment, when two 8-note polyphonic sound source modules are connected, they can be used as a single 16-note polyphonic instrument, making it possible to connect up to 8 such instruments, thus realizing up to a 64-note polyphonic instrument. .

Therefore, each sound source module in the configuration shown in Figure 1 has a maximum of 8
It is possible to define polynumbers within the range of sound polyphonics. In this case, MASHI
When the performer defines NE Nα and assigns, for example, MASHINENll=1 to the first sound source module, a poly number of 1 to Nα8 is automatically assigned to the second sound source module, and the performer assigns, for example, MASHINENll=1 to the second sound source module. )I
When INE Nα-2 is assigned, N119~
If a poly number of 16 is assigned,
Setting operations can be made easier. Then, in the above setting example, the performer starts playing, for example, on an external keyboard, and based on the key press operation, <
N0TE ON data (sound start data) is MIDI
When inputting to the first and second sound source modules sequentially via
The NoTE number (scale number, hereinafter referred to as N0TE No) specified by the data is sequentially assigned to the poly numbers from bi1 to Nα8 of the first sound source module in ascending order of numbers, and is sounded by the first sound source module. . moreover,
When each N0TE ON data after the 9th note is input,
They are sequentially assigned to poly numbers starting from Na9 of the second sound source module, and are produced by the second sound source module. During this process, if any key that is currently being pressed is released and the corresponding N0TE OFF data (mute instruction data) is input, the N0TE No.
The musical tone of the poly number to which , is assigned is muted. After that, when new N0TE ON data is input, it is assigned to the lowest polynumber among the currently available polynumbers, and the tone generator module that includes that polynumber produces sound.

All the connected sound source modules perform the above operations in synchronization with each other, and by connecting the desired number of sound source modules, the performer can produce musical tones with a desired polyphonic number.

Therefore, the RAM of each sound source module with the configuration shown in FIG.
N0TE 5 holds the state regarding the poly number assigned to itself as well as the state regarding the poly number assigned to all other sound source modules.
AVE MEMORY 7" JL/ is installed, and every time N0TE ON and N0TE OFF data is input, all sound source modules update the contents of the above table in complete synchronization according to a certain rule. This is a major feature of this embodiment.

In the following description, the operation of each sound source module having the configuration shown in FIG. 1 for realizing the above operation will be explained in detail. In this embodiment, each sound source module can be switched between a mode in which the polyphonic synchronous operation is performed and a mode in which it operates independently from other sound source modules as in the past.
BLE mode, and the latter will be referred to as polysynchronous operation DISABLE mode.

(i) FIG. 2 is a main operation flowchart of this embodiment.

First, when the power switch (not shown) is turned on,
Initialization processing is performed in Sl. Here, the contents of the RAM 3 shown in FIG. 1 are initialized, the tone generator circuit 6 is reset, tone color settings, etc. are performed.

Then, switch change processing of S2 and MID of S3
By repeating the I IN process (both described later),
Performs control for musical tone pronunciation.

Apart from this, an interrupt occurs at regular time intervals, and in S4 the control process for the sound source circuit 6 in FIG. 1 is executed. Although this process is not directly related to the present invention, it is a process that adds a vibrato effect to the musical tone signal generated by the tone generator circuit 6. This effect is an effect that causes the pitch of the musical tone to fluctuate at regular time intervals, so it is controlled by interrupt processing at regular time intervals as described above.

FIG. 3 shows the external configuration of the console switch 8 and display device 9 shown in FIG. 1. In the figure, an LCD 9 is the display device 9 of FIG. The other parts correspond to the console switch 8 in FIG.

Here, the mode setting switch (MODE) IO sets the mode of the parameters displayed by the LCD 9 (this will be described later), and the cursor switches 11 and 12 set the mode of the parameters displayed on the LCDQ. , and change the selected data using the UP switch 14 and the DOWN switch 13.

Furthermore, switches 15 numbered #1 to #8
-22 select the tone to be produced.

Next, FIG. 4 shows the details of the switch change process shown in FIG. 2 31, and this process is repeatedly executed as shown in FIG. It constantly monitors and processes the mode corresponding to the switched switch.

First, in S5, it is determined whether MASHINE No. is the setting mode. Currently, the LCD 9 can display various mode information such as tone setting information, effect setting information, etc., but the mode display changes each time the mode setting switch 10 in FIG. 3 is pressed once. Switch. Of particular relevance to the present invention here is the MASHINE Na setting mode. If MASJ (other than INENa setting mode) is displayed, MASJ (other than INENa setting mode) is displayed.
After processing other than the HINE Nα setting mode, for example, changing tone color settings using switches 15 to 22 in FIG. 3, or changing effect settings using switches not shown, the switch change processing ends.

On the contrary, if the MAS)IINE Nα setting mode is displayed, the process advances to S6, and it is determined whether the mode setting switch 10 in FIG. 3 has been switched. If the determination is YES, the process advances to 310, where the LC of FIG.
After switching the mode displayed at D9 from the current MASHINE NIL setting mode to another mode corresponding to the switching operation of the mode setting switch 10, the switch change process of S2 in FIG. 2 is completed. Therefore, when the switch change process of FIG. 2 82 is started again after going through the MIDI IN process of FIG. 2 33, the determination in FIG. Processing is executed. Although not specifically shown, there is a processing flow similar to S6→310 in the processing of S9, and the mode setting switch 10 is
When the MASHINE Na setting mode is switched, the determination in S5 becomes YES and the process returns to the MAS) IINE setting mode.

If the determination in S6 is No, the process proceeds to 37, where it is determined whether any of the cursor switches 11, 12 in FIG. 3 has been switched. If the judgment is YES, proceed to Sll,
Select one of the plurality of data displayed on the LCD 9. In this embodiment, the display of the CD 9 shown in FIG. 3 in the MASHINE Na setting mode is, for example, as shown in FIG. 5. That is, as explained in the section "General operation of this embodiment", the sound source module according to this embodiment can set MASHINE Na for each module, and the MASHINE Na is shown at position P2 in FIG. displayed by numbers. In addition, 2 below
This number is the poly number set in the sound source module corresponding to MASHINE Ntl. In the example in the same figure, MASHINE N (L = 2 and Nα9 ~
It is displayed that a poly number of Nα16 has been assigned. Further, the symbol ON displayed at the position of Pl in FIG. 5 indicates that the current self-sound source module is in the poly-synchronization operation ENABLE mode as explained in the section ``Overview of operation of this embodiment'', and When this display is OFF, it indicates that the polysynchronous operation is in DISABLE mode. The states displayed at each position of Pl and P2 are the DOWN switch 13 and the UP switch 14 in FIG.
The cursor switch 11.12 in FIG. 3 selects which of these positions, Pl and P2, is to be changed.

That is, in FIG. 5, the cursor 23 is currently located at the position of Pl.
There is, and the data of the position of Pl can be changed, but the third
By pressing the cursor switches 11 and 12 shown in the figure, the position of the cursor 23 can be arbitrarily moved between the positions P1 and P2, thereby making it possible to change the data at the position to which the cursor 23 has moved. This cursor change process is performed at step 311 in FIG. 4, and after this cursor change process, the switch change process at S2 in FIG. 2 is completed.

After the above processing, the MIDI IN processing shown in FIG. 233 is performed, and then the switch change processing shown in FIG.
The determination in FIG. 37 is No, and in S8 it is determined whether the DOWN switch 13 or the UP switch 14 in FIG. 3 has been pressed. If neither is pressed, the judgment of S8 is No.
Then, the switch change process of FIG. 232 is ended.

Contrary to E, if any switch is pressed and the cursor 23 is at the position of Pl on the LCD 9 in FIG.
/ENA, performs change processing. Further, if the cursor 23 is located at the position P2 on the LCD 9 in FIG. 5, the determination in S12 becomes YES, and the MAS) IINE Nα changing process in S13 is performed.

The above two processes will be explained in order below.

First, in the DIS, /ENA, change processing in S14, as described above, the mode of the current own sound source module is changed to ENABLE mode of polysynchronous operation and DISAB mode by the DOWN switch 13 or UP switch 14 in FIG.
This is a process for switching between LE mode and LE mode. FIG. 6 shows details of the processing in FIG. 4 314.

First, in 517, the current mode is DI of the polysynchronous operation.
It is determined whether the mode is SABI, E mode or ENABLE mode.

If the DISABLE mode, that is, the display of the position P1 in FIG.
8 to reset JOB DISAI3LE FLAG. This flag will be explained in detail later, but DISAB
This is a flag for setting the LE mode or the ENABLE mode, and is provided in FLAG of the number of pronunciation allocation control memory configured in the RAM 5 of FIG. 1 (see FIG. 8).

Then, this flag is reset in S18 to change to the ENABLE mode. Along with this process, the display of the position P1 in FIG. 5 is turned on.

On the other hand, the current mode is the ENABLE mode, that is, the fifth mode.
If the display of the position in figure P1 is ON, the determination in S17 is N.
O, S 19 ”i?JOB [) ISABLE
When FLAG is set, the mode changes to DISABLE mode. Along with this process, the display of the position P1 in FIG. 5 is turned off.

Note that the process of 31B or 319 above is the DOW of FIG.
The same operation is performed regardless of whether the N switch 13 or the UP switch 14 is pressed, and there is no distinction between the two switches.

After the processing in S18 or 319, R in FIG.
Initialize (clear to 0) each POINTER5COUNTER, FLAG, and N0TE5AVE MEMORY of the sound generation number allocation control memory shown in FIG. 8 configured in the AM5, and mute all musical tones that are being generated. Note that the memory will be described later.

DIS, /ENA of S14 in FIG. 4 shown in FIG.
.

After the change processing, the switch change processing shown in FIG. 2 is completed.

Next, the MASIIIINE Nα change process in S13 in FIG.
4, change the MASHINE No. set in the current own sound source module as described above,
This is the process of changing the range of poly numbers.

FIG. 7 shows details of the process of FIG. 4 513.

First, in step 521, it is determined whether the UP switch 14 in FIG. 3 has been switched. In this case, 58 in FIG.
Since it is determined that either the DOWN switch 13 or the UP switch 14 in FIG. 3 has been pressed, S21
If the judgment is No, the DOWN switch 13 is pressed and YE
If S, it means that tJP switch 14 was pressed.

If the DOWN switch 13 is pressed and the determination at 321 is YES, the value of the register MASHINE Nα is set to O at 522.
It is determined whether or not. The MASHINE register, which will be described in detail later, is a register for setting MASHINE NO, and is provided in the number of pronunciation allocation control memory configured in RAMa in FIG. 1 (see FIG. 8).
Here, the minimum value that can be specified as MASHINE Nα is 1, and the minimum value of the register MASHINE No. and above is 0, which is one less than that value. Therefore, if the value of the register MASHINE k is O, it cannot be set lower than that, so the determination at 322 becomes YES and the MASHINE k changing process at 313 in FIG. 4 is ended. If the contents of the register are not 0, then in 323 the value of the register MASHINE k is decremented by 1.

At the same time, a value obtained by adding 1 to the value of the register MASHINE Nα is displayed at position P2 on the LCD 9 in FIG.

Conversely, if the UP switch 14 is pressed and the determination in 321 is NO, the value of the register MASHINE Nα is set to 7 in S24.
It is determined whether or not the value is greater than or equal to the value. The maximum value that can be specified as MASHINE k is 8, and register MASHINE
For the values on k, the maximum value is 7, which is one less than that.

Therefore, if the value of register MASHINE Nα is 7, it cannot be set higher than that, so the determination of 324 is YES.
As it is, MASIilNENα in S13 of Figure 4
Finish the modification process. If the contents of the above register are 6 or less, the value of register HASHINE Nα is + at 325.
1 will be given. At the same time, a value obtained by adding 1 to the value of register MASI (INE Nα) is displayed at position P2 on the LCD 9 in FIG.

After the processing in S23 or S25, the process proceeds to step 326. Here, the changed MASHINE Nα value is set to 8
JOB RANGE LOWERPOIN
Save it to TER and add 7 to it, then
Save to JOBRANGE UPPERPOINTER. In this case, JOB RANGE LOWERPO
INTER AND JOB RANGE UPPERPOI
NTER is a pointer that sets the lower and upper limits of the polynumber, as will be explained in detail later, and is a pointer for setting the lower and upper limits of the polynumber.
(See FIG. 8). Here, the relationship between the values of the register MASHINE and the values of the above-mentioned side POINTER is as follows.

MASHINE Sou JOB RANGE JOB
RANGELOtJERPOINTERUPPERP
OINTERo 0 7 By setting MASHINE k in this manner, a polynumber can be set in the sound source module.

After the above processing, in S27, as in the case of 320 in FIG. 6, each POINTER, etc. of the sound generation number allocation control memory of FIG. 8 configured in the RAM 5 of FIG. Mute the sound.

Through the above processing, MASHINE N of 313 in FIG.
The CL change process ends. In addition, the processing of the above-mentioned series is as follows:
It is executed when the DOWN switch 13 or the UP switch 14 in FIG. 3 is pressed once, and if it is pressed again, S2 is executed by repeating the loop of FIG. 2 32 and S3. Each item is processed once.

As explained above, the cursor switch 11 in FIG.
12, the cursor 23 can be moved to the positions P1 and P2 on the LCD 9 in FIG. 5 through the processing in Sll in FIG. Furthermore, when the DOWN switch 13 or the UP switch 14 in FIG. 3 is operated, if the cursor 23 is at the position of Pl, the DIS, /
ENA, polysynchronous operation ENABLE by change processing
mode and DISABLE mode can be switched. Also, if the cursor 23 is at the position of P2, 31
MASHINE
k can be changed, and the range of polynumbers can be changed correspondingly.

Next, the MIDI IN process shown in FIG. 2 will be explained. From here on, after explaining the configuration of the number of sound generation allocation control memory shown in FIG. 8, the MIDI information shown in FIGS.
Regarding the detailed operation of IN processing, < MIDI
This will be explained using an example of polysynchronization operation according to IN processing.

First, FIG. 8 is a block diagram of the number of pronunciation allocation control memory configured in the RAM 5 of FIG. 1. N0 in figure (a)
The TE 5AVE MEMORY has a 64-byte structure and can save up to 64 NOTE numbers, and each byte corresponds to a poly number from 1 to 64. The structure of each byte is as shown in the figure, where the lower 7 bits are 0 to 0.
N0TE No, which can take a value of 127, the most significant bit (MSB) is the 0N10FF flag, and when this flag is 1, it indicates that the poly number corresponding to that byte is muted, and in this case, the lower 7 bits all take the value O, therefore, the value of 1 byte when muting is 80H (H
indicates hexadecimal representation). These will be detailed later.

Next, pointers, counters, flags, and registers will be briefly explained. Note that these will be detailed later.

The OFF POINTER in Figure 8(b) is the N0TE where the note-off was saved.
It is a relative address from the first address of 5AVE MEMORY and is a pointer that holds the smallest numerical value, and can take a value from 0 to 63 depending on the lower 5 bits. The value O is inserted into the upper two bits.

Also, Fig. 8(c) (7) EMPTY COUNT
ER is N0T once in N0TE SAVEMEMORY
This is a counter that holds the total number of addresses that have not yet been written with N0TE No. after E No. has been saved and further note-off has been written and the value 80H has been written. Can take values. MSB
A value of 0 is inserted into .

Figure 8 (d) (7) ON POINTER is N0TE
5AVE MEMORY Saved N0TE
N0T with the largest relative address among the Nos.
This is a pointer that holds the value obtained by adding 1 to the relative address of E No. It can take a value from 0 to 63 depending on the lower 5 bits. (!O is inserted into the upper two bits.

JOB RANGE L[1WERPO in Figure 8(e)
INTER is a pointer that holds the lower limit value of the poly number as described above, and
A value 1 smaller than the poly number displayed at position 2 is held, and the lower 5 bits can take values from 0 to 63. The value O is inserted into the upper two bits.

JOB RANGE UPPERPOI in Figure 8(f)
NTER is a pointer that holds the upper limit value of the poly number as described above, and is a pointer that holds the upper limit value of the poly number, and is
The number position that is 1 smaller than the poly number displayed at the position is retained, and the
It has the same bit configuration as NTER.

Figure 8 (g17) NOTE ON C0UNTER is
A counter that holds the total number of N0TE No's saved in N0TE SAVE MEMORY, and can take a value from 0 to 64 depending on the lower 6 billets. The value O is inserted into the MSB.

In the FLAG shown in FIG. 8(5), JOB REQtlEST FLAG is provided at the least significant bit (LSB), and JOB DISABLE FLAG is provided at the second bit from the least significant bit. JOB REQLESTFLAG is a flag that holds whether or not to request the input N0TE ON data to produce the N0TE No specified by that data, and JOB DISABLE FLAG
is a flag that sets the polysynchronization operation to DISABLE mode or ENABLE mode for its own sound source module.

The register MASHINE Nα in FIG. 8(i) is MA
This is a register for setting SHINE Nα, and can take a value from 0 to 7 depending on the lower 3 bits. The value 0 is inserted into the upper 5 bits. Note that, as already explained in FIG. 7, the value of this register is changed to
R and JOB RANGEtJPPERPOINTER
It is used after being converted to the above value in advance.

The detailed operation of MIDI IN processing according to this embodiment using the above-mentioned sound number side assignment control memory will be explained along with the operation flowcharts of FIGS. 10 to 12.

FIG. 10 is a detailed operational flowchart of the MIDI IN process shown in FIG. 253.

First, at 33B, the CPU 4 of FIG. 1 monitors whether MIDI data is being input via the external input interface circuit 1. If not entered, 338
The determination is NO, the MIDI IN process of FIG. 233 is immediately terminated, and S3 is repeated again via the switch change process of S2. Therefore, by repeatedly executing step 33B, the MIDI data input waiting state is maintained.

When MIDI data is input and the judgment in 338 is YES, the process advances to 339, and the MIDI data is turned on to N0TE ON.
It is determined whether the data is data or N0TE OFF data. If NO, the process proceeds to 350, processes other than note-on and note-off are performed, and the monitoring in 338 is repeated.

When N0TE ON data or N0TE OFF data is input and the determination at 339 becomes YES, the process proceeds to 340, where N0TE No included in the data is loaded into the register AREG in the CPU 4.

Next, in 341, the input MIDI data is
Determine whether it is 0TE ON data or N0TE OFF data. N0TE ON data is input and S4
If the determination in step 1 is YES, the process advances to S42, and it is determined whether the polysynchronization operation is in ENABLE mode or DTSABLE mode.

D [5 If the mode is ABLE mode (if the display at the position P1 in Figure 5 is OFF), the judgment in 342 is YES and the process advances to 345, where the N0TE set in register A
After performing N0TE ON processing according to No. 3
Return to the judgment of 3B. That is, the operation in this case is the normal sound generation operation of the sound source module, and the CPU 4 in FIG.
This is a process of unconditionally instructing to produce a sound at the pitch corresponding to No.

If it is in the ENABLE mode (when the display of the position P1 in FIG. 5 is ON), the determination in S42 is NO and 343
The process then proceeds to N0TE ON JOB determination processing. This process is the most characteristic process of this embodiment, and will be described in detail later, but here it is determined whether or not to perform the N0TE ON process, and if it is performed, the number of pronunciation allocation control shown in FIG. 8 (C) is performed. JOB REQtlEST in memory FLAG
Set FLAG to 1, and reset to O if not performed.

If 1 is set in JOB REQtJEST FLAG by this process, the determination in S44 becomes YES and the process proceeds to 345, where the N0TE ON process is executed. On the other hand, if it is reset to 0, the determination in step 344 becomes No, and the process returns to step 338 without performing the N0TE ON process.

Contrary to the case where the above N0TE ON data is input, N
If the 0TE OFF data is input and the determination in S41 is NO, the process advances to 346 and the same determination as in S42 is made.

If it is in DISABLE mode, the determination of 346 is YE.
S, the process advances to 349, performs N0TE OFF processing according to the N0TE No set in the register ARFG, and then returns to the determination in 338. In other words, the operation in this case is a normal silencing operation of the sound source module, and the first
This is a process in which the CPU 4 in the figure unconditionally instructs the sound source circuit 6 to mute the musical tone currently being produced corresponding to N0TE No of the N0TEOFF data.

On the other hand, if the mode is ENABLE, the determination in 346 is NO and the process proceeds to 347, where N0TE 0FFJ
Performs OB discrimination processing. This process also includes NOT and E in S43.
Along with the ON JOB determination process, this is the most characteristic process of this embodiment, and will be described in detail later, but here we will discuss the N0TEO determination process.
Decide whether or not to perform FF processing, and if so, select JOBRE.
Set QUEST FLAG to 1 and O if not executed.
Reset to .

With this process, JOB REfullUEST FLA
If G is set to 1, the determination at 348 is YES and the process proceeds to 349, where N0TE OFF processing is executed. On the other hand, if it is reset to 0, the determination in 548 is NO.
Therefore, the process returns to step 338 without performing the N0TE OFF process.

Next, the operation flowcharts of FIGS. 11 and 12 corresponding to the N0TE ON JOB determination process of 343 in FIG. 10 and the N0TE OFF JOB determination process of S47 will be explained according to the operation example of FIG. 9.

First, in this embodiment, explanation is given for one sound source module, but in that sound source module, for example, MASHINE Nα-2, ie, as shown in FIG. No. 9~N
Assume that a polynumber of α16 is specified. When the polyphony number allocation control memory is initialized in FIG. 2 31, FIG. 6 320, or FIG. 9 336, ON POINTER=0 JOB RANGE LOWERPOINTER=8 as shown in FIG. 9(a).
JOB RANGE tlPPERPOINTER=
15EMPTY C0LINTER= 0 NOTE ON C0LINTER= 0OFF PO
INTER=indeterminate. Also, in this state, N0TE 5AVE M
The contents of EMORY are undefined.

Next, a keyboard or the like is played outside the sound source module, and the first
Each N0TE O whose N0TE No. is 20H to 34H is sent to the CPU 4 via the external input interface circuit 1 shown in the figure.
When 21 notes of N data are input continuously, the value of ON POINTER changes from 0 to 2, as shown in box 9).
1. N0TE ON C0UNTERO value also changed from O to 2
1, and N0TE 5AVE MEMORY 2 is set to consecutive relative addresses 0 to 20 from the first address, 20H to 20H.
Each N0TE No. of 34H is saved. In addition, O
The value of FF POINTER is undefined. In this case, the CPU 4 in FIG. 1 is in the state shown in FIG. 9(b), and the JOB RA
NGE LOWERPOINTER and JOB RAN
A sound generation instruction is given to the sound source circuit 6 in FIG. 1 only for the N0TE No. saved at the relative addresses 8 to 15 corresponding to the poly number specified by GE UPPERPOINTER. As a result, eight polyphonic sounds corresponding to poly numbers 9 to 16 are produced in the own sound source module.

The operation in the state shown in FIG. 9(b) above is realized as follows.

First, each time one N0TE ON data is input, the MIDI IN process shown in FIG. 2 is repeated once.

Then, for each repetition, the first O figure 338→539-3
40-341-342-343, and enters the N0TE ON JOB determination process shown in FIG.

At 351 in Figure 11, N0TE ON C0UNTE
Determine whether the value of H is 64 or higher, and
If it is above, proceed to S66 and JOB REQIJ
Reset ESTFLAG [・N0T in Figure 10 343
E ON JOB determination processing ends. That is, in this embodiment, the polyphonic number, that is, the number of simultaneous sounds is 64.
JOB REQUE
By resetting STFLAG to 0, the 10th
The judgment in Fig. 344 is NO, and no more NOTE ON.
No processing takes place. In the example of FIG. 9(b), in the initial state, the value of N0TE ON C011NTER is 63 or less, so the determination in S51 is YES and the process proceeds to S52.

In S52, the N0TE ON C0UNTERO value is +
1 will be given. This process in S52 is performed for each N0TE No.
By repeating each input, in the example of FIG. 9(b), the value of N0TEON C0UNTER changes from 0 to 21.

Next, in 353, it is determined whether the value of EMPTY C0UNTER is 0 or not. In the example of FIG. 9(b), since it is 0, the process advances to S54.

Here, the ON POINTER value is set to the CPU shown in Figure 1.
After loading into register CREG in d, ON POI
Increase the value of NTER by 1. In other words, ON POINT
ER is shown in Figure 8(d).As explained, N0TE 5
AVE MEMORY saved N0TE N
o, the N0TE with the largest relative address No.
Since it contains the value obtained by adding 1 to the relative address of ,
This process at 354 is repeated for each input of N0TENo, so that the register CREG has N0T this time.
The relative address at which ENo. should be saved will be set. Moreover, here, in the example of FIG. 9(b), ON
The value of POINTER changes from 0 to 21.

In S56, N0TE 5AVE ME in FIG. 8(a)
Register C is placed at the first address (absolute address) ADo of MORY.
The relative address set in REG is added to calculate the absolute address corresponding to the relative address, and the N0TE No set in register AREG is saved at 340 in FIG. 10 to that address. By repeating the process at S54 for each input of N0TE No., in the example of FIG. 9(b), N0TE 5AVE ME
MORYf7) Consecutive relative addresses 0~ from the first address
20, each N0TE No. from 20H to 34H is saved.

357, the relative address set in register CREG is JOB RANGE LOWERPOIN.
TER value and JOB RANGE UPPERPOIN
It is determined whether or not it is within a range determined by the value of TER. Then, if it is included, JOB REQU in S58
EST FLAG is set to 1, and if it is not in, it is reset to 0 in S59. This determination in S57 is repeated for each input of N0TE No.
In the example in Figure (b), JOB REQUE is performed only for N0TE No saved at relative addresses 8 to 15.
ST FLAG is set to 1, otherwise reset to 0.

Subsequently, in 360, it is determined whether the value of EMPTY C0UNTER is O or not. In the example of FIG. 9(b), it is 0, so this determination is YES, and the N0T of FIG.
The EON JOB determination process ends.

Then, in S44 of FIG. 10, JOB REQUEST
The determination is Y only if FLAG is set to 1.
It becomes ES and proceeds to 345, where N0TE ON processing is executed. By repeating this determination at 344 for each input of N0TE No., in the example of FIG. 9(b), the N0TE No.
Only for TE No., a sound generation instruction is given to the sound source circuit 6 of FIG. 1.

Next, we return to the explanation of FIG. In the state shown in the same figure (b), 2B
The external keyboard corresponding to each N0TE No. of H132H and 23H is released, and each of those N0TE No.

When the N0TE OFF data corresponding to 2BH, 32H, and 23H are input in the above order, the value 80H indicating mute is stored in the relative addresses 11.18 and 3 where each N0TE No. of 2BH, 32H, and 23H was stored, and at the same time, the OFF POINT
The value of ER (relative address) changes from indeterminate to 11-11-3 (Fig. 9 (C) ■-■-■). In the process of ■, N0TE No. = 32 H is stored. The relative address 18 that was
Since 2 B H is larger than the relative address 11 at which it was stored, the value of OFF POINTER does not change to 18. Also, the value of EMPTY C0UNTER is 0 →
1 → 2 → 3, N0TEON C0UNTERO value is 21
-20-19-18. However, ON POIN
The value of TER does not change. In this case, CPU4 in FIG.
In the state shown in Figure 9 (C), JOB RANGE LO
WERPOINTER and J [lB RANGE IJ
At the relative address 8 to 15 corresponding to the poly number indicated by PPERPOINTER, the value 80H
Only for the relative address 11 where the rewritten N0TE No.=2BH was stored, an instruction to mute the N0TE No. is given to the sound source circuit 6 of FIG. 1.

The operation in the state shown in FIG. 9(C) above is realized as follows.

First, every time one N0TE OFF data is input, the second
The MIDI IN process in FIG. S3 is repeated once.

Then, for each repetition, FIG. 10 538-339-3
40→341→S46→S47, and the N0TE OFF JOB determination process shown in FIG. 12 begins.

At 367 in FIG. 12, first, O is set in the register CREG, and in the next loop processing at 368-369-370-368, the register CREGO value is incremented by +1 at S70, and at 369, the register A RE G is set.
Note-off set to N0TE No, and N
0TE 5AVE Address on MEMORY (ADo
+CREG) and search for a match. In addition, in 368, the relative address specified by register CIIEG is N0TE 5AVE MEMOR
ON POI where N0TE No, no longer exists on Y
Determine whether the value of NTER has been reached. When this value is reached, the determination in 368 becomes YES, and the job is terminated in S82.
REQUESTFLAG is reset to O, and the N0TEOFF JOB determination process of 347 in FIG. 10 ends.

Therefore, in this case, N0TE 5AVE MEMOR
There is no corresponding N0TE No on Y, and the determination in 348 of FIG. 10 is NO, and the N of 349
0TE OFF processing is not performed.

By repeating the loop processing of 368-369-S 10-368 in FIG. 12 above, in the example of FIG.
Relative address 11.1 where 0TE No. was stored
8 and 3 are searched.

Then, in the above process, every time a relative address with matching N0TE No is searched, the determination of 369 becomes YES and S
Proceed to T1. Here, the searched address (A D
o + CIIEG), a value 80H indicating that the sound is muted is stored, and the value of EMPTY CO[JNTER is incremented by 1. By repeating the process of S71 for each input of N0TE No., in the example of FIG. 9(C),
Value 80H indicating mute at relative address 11.18 and 3
is stored, and at the same time the value of EMPTY COLINTER changes to 0-1-2-3.

Next, in S72, the value of EMPTY C0UNTER is 1.
If it is 1, register C is determined in S74.
Save the value of REG to OFF POINTER. In the example of FIG. 9(C), this process is performed for the first N0TE
When relative address 11 corresponding to No, = 28H is searched, the value of OFF POINTER is undefined -11
It is executed when

If the judgment in 372 is No, in 373 the values of register CREG of 0FF POINTER are compared, and if the value of register CREGO is larger, OFF POIN
The value of TER is not changed. In the example of FIG. 9(C), this process is turned OFF when the relative address 18 corresponding to the second N0TE No. = 32H is retrieved.
This is executed when the value of POINTER remains 11 and does not change.

Contrary to the above, if the value of register CREG is smaller, the value of register CREGO is saved to OFF POINTER. In the example of FIG. 9(C), this process is performed when relative address 3 corresponding to the third N0TE No. = 23H is searched, OFF POINTER
is executed when the value of changes to 11=3.

By processing 372 to 374 above, OFF POINT
The smallest relative address among the relative addresses in which the value 80H indicating that the sound is currently muted is stored in the ER.

In S75, the relative address set in register CREG is JOB RANGE LOWERPOIN.
TER value and JOB RANGE UPPERPOIN
It is determined whether or not it is within a range determined by the value of TER. Then, if it is included, JOB REQU in S76
EST FLAG is set to 1, and if it is not in, it is reset to 0 in S77. This determination in S75 is repeated for each input of N0TE No.
In the example in Figure (C), at relative addresses 8 to 15, N0TE No. -2B H is rewritten to the value 80H.
JOB only for relative address 11 where was stored.
REQUEST FLAG is set to 1, otherwise reset to 0.

Next, in S78, the value of register CREG is increased by 1, and in the following S79, register CREG and ON POINTER are
Compare the value of register CREG≧ON POI
If NTER, the value of ON POINTER is decremented by 1 in S80. These processes are N0TE 5AVE M
This is the process of bringing the value of ON POINTER to the note-off relative address when (7) NOTE No on E14ORY, and (7) NOTE No, which has the largest relative address, is note-off. Figure 9 (
In the example of C), the determination in S79 is always No, and the ON
The value of POINTER does not change.

Finally, in S81, the value of N0TE ON C0UNTER is subtracted by 1, and the value of N0TE OF
F JOB determination processing ends. The process of S81 is performed for each N
0TE No.

By repeating each input, in the example of FIG. 9(C), N
0TE ON C0UNTEH value is 21 → 20 → 19
→ Changes to 18.

After the above processing, in FIG. 10 348, the step S76 in FIG.
Only when 1 is set in JOB REQUEST FLAG, the determination becomes YES and the process proceeds to 349, where the N0TE OFF process is executed. By repeating this determination at 34B for each input of N0TE No., in the example of FIG.
A mute instruction is given to the sound source circuit 6 in FIG. 1 only for the relative address 11 where E No, = 2 B H was stored.

Returning to the explanation of FIG. 9 again. Let us consider a case where, in the state shown in FIG. 5C, a new key press operation is performed on an external keyboard or the like, and the N0TE ON data corresponding to each N0TE No. of 50H, 151H, and 52H is input manually in order.

First, N0TE No, = 50 H N0TE O
When N data is input, 50H is OFF POIN
Written to relative address 3 specified by TER and turned OFF
The value of POINTER is changed to the minimum relative address 11 where the value 80H indicating that the sound is currently muted is stored, and the EMP
The value of TY C0UNTER is incremented by -1 and changed from 3 to 2, and the value of N0TEON C0INTEH is incremented by +1 and changed from 18 to 19. Next, N0TE No.
, = When N0TE ON data of 51H is input,
51H is written to relative address 11 indicated by OFF POINTER, and the value of OFF POINTER is changed to relative address 18. Along with this, EMPTY
The value of C0UNTER is changed from 2 to l, and the value of N0
The value of TE ON C0INTER is changed from 19 to 20. Furthermore, N0TE No, = 52 H's N0T
E When ON data is input, 52H turns OFF POI
It is written to the relative address 18 indicated by NTER, and O
The value of FF POINTER becomes undefined and becomes EMPTY.
The value of C0tJNTER changes from 1 to 0, and N0TE ON
The value of C0LINTER changes from 20 to 21.

That is, by the above operation, the value of OFF POINTER changes from the state of ■ in FIG. 9(C) to the state of ■-■ in FIG. 9(d).
and changes. In this case, the CPU 4 in FIG.
In the state of d), JOB RANGE LOWERPOI
NTER and JOB RANGE LIPPERPOIN
Only for N0TE No. 51H saved at relative address 11 included in relative addresses 8 to 15 corresponding to the poly number indicated by TER, the first
A sound generation instruction is given to the sound source circuit 6 in the figure.

The operation in the states shown in FIGS. 9(C) to 9(d) above is realized as follows.

First, the MIDI IN process of S3 in FIG. 2 is repeated once each time the N0TE ON data is input.

338-339-" for each repetition.
S 40-341-342→343, and N0TE ON JO in FIG. 11 is processed as in the case of FIG. 9(b).
B-discrimination processing begins.

In the state of Figure 9 (C), N0TE No, = 50 H
When the N0TE ON data is input, the determination in 351 becomes NO, and N0TE ON C0UNT is input in S52.
The value of ER changes from 18 to 19.

Next, the determination of 353 is currently EMPTY CO[JNT
Since the value of ER is 3 (state in Figure 9(C)), NO
Then, the process advances to S55. Here, EMPTY C0UN
The value of TER is decreased by -1 and changed from 3 to 2, and OFF P
The value of OINTER is loaded into register CIUG.

In the sequel <356, N0TE 5AVE MEMOR'
#) Add register A11EG to the address obtained by adding the relative address of register CIIEG above to the first address A Do
Save N0TE No. stored in . 9th
In the example of diagram (C) → (d), N0TE No, = 50
If H is input, N0TE No, = 50H is written to relative address 3.

JOB REQUEST FLAG from 357 to 359
The processing related to this is exactly the same as in the case of FIG. 9(b), and when N0TENo,=50H, the register CREG
O value 3 does not meet the condition of 357, JOB R is 359
EQUESTFLAG is reset to 0.

Next, the judgment of 360 is currently EMPTY C0UNTE
Since the value of R is 2, the answer is No, and the process advances to S61.

The loop processing of 561-→362→363→361 is performed by S
55. At 356, a new N0TE No. was saved at the relative address pointed to by OFF POINTER, so the value 80H indicating that OFF POINTER is being muted.
This is the process of moving to the youngest relative address where is stored. That is, while incrementing the register CREGO value by 1 at 362, it is compared at 363 whether the contents of the address (A Do + CREG) match the value 80I] indicating that the sound is muted. In addition, 36
It' means that the above search range is N0TE 5AVE ME
It is determined whether the upper limit 63 of the relative address of MORY is exceeded. If EMPTY C0UNTER is not 0, there is always one more relative address indicating that the sound is muted, so it is impossible for the determination in S61 to be YES.
If the answer is YES for some reason, proceed to 565, perform appropriate error handling, and execute JOB RE in 366.
Reset QUEST FLAG to O. That is,
In this case, the determination at 344 in FIG. 10, which will be described later, is NO, and no silencing operation is performed.

If the determination in S63 is YES and a relative address indicating that the sound is muted is found, the register CII indicating it is set in 364.
Save the EG value to OFF POINTER.

As a result, N0TE No.
, = 508 is input, OFF POINT
The value of ER changes from 3 to 11.

By the above processing, N0TE 0NJ of 343 in Fig. 10
The OB determination process ends.

After the above operation, JOB REQUEST FL is sent at 344.
The value of AG is determined. In the example of Figure 9(C)-(d), N
If 0TE No, = 50H is input, JOB REQIJESTFLAG is reset to O as described above, so the determination in S44 is NO, and N0TE
ON processing is not performed.

Below, N0TE No, = 51H and 52H each N
When 0TE ON data is input, the operation is exactly the same as described above, and the operation is as explained in FIGS. 9(C) to 9(d).

As explained above, N0TE 5AVE MEM maintains the state regarding the poly number assigned to itself as well as the state regarding the poly number assigned to all other sound source modules in the sound source module.
ORY, and for each input of N0TE ON and N0TE OFF, the above N0TE 5AVE MEM
I try to update the contents of ORY. When a plurality of sound source modules are connected, this operation is performed synchronously for each sound source module.

This means that the N0TE ON and N0TE OFF data are input to all sound source modules in parallel, and each sound source module inputs N0TE 5AVEROEMO according to the same rules.
This is to rewrite the contents of RY. Furthermore, each sound source module performs sound generation operation only when (N0TENo) is set based on the N0TE ON instruction in the poly number range based on the self-set MAS) N0TE No.
By performing the muting operation only when the N0TE OFF instruction is given to , each sound source module can perform the polyphonic operation in a shared manner. here,
The performer does not have to directly specify the polynumber for each sound source module (by setting MASHINE Nα, the polynumber is automatically specified for each 8 polyphonics, so it is possible to properly specify the polynumber with a simple operation. It becomes possible to set.

The N0TE ON data or N0TE OFF data that is input as MIDI data is usually attached with an identification code called a MIDI channel, but in this embodiment, the MIDI channel is not processed for poetry. That channel pick-up
This is so that the same data can be received only when the same data is input, and it is possible to receive or transmit different data for each musical instrument. Furthermore, for example, even one sound source module can specify multiple 141DI channels, and thereby may have the function of producing multiple types of musical tones under separate controls.This embodiment is designed to support such a function. For example, it may be possible to specify a range of poly numbers for each MIDI channel. In addition, the operation flowchart in FIG. 10 corresponding to the MIDIIN process in FIG.
It is only necessary to operate each channel independently in a time-division manner, and to take in only the N0TE data that matches the MIDI channel for each operation flowchart.

In addition, in this embodiment, N0TEON (pronunciation) and N0TE
Although only the OFF (mute) instruction is controlled based on the polynumber, the control is not limited to this, for example, when MIDI information or bend information that changes the pitch for a predetermined N0TE No. is input. By performing similar control on the sound source module, a plurality of sound source modules can be linked to perform bend control and the like. Similar control is also possible when adding various other effects.

〔Effect of the invention〕

According to the present invention, when a plurality of sound source modules are connected and each sound source module is operated at the same time, the updating operation on the note information storage means in each sound source module is performed completely in unison according to the same rule, and each sound source module is operated simultaneously. Each sound source module controls the production of musical tones by dividing only the polyphonic channel within the second polyphonic area designated for each sound source module, so all connected sound source modules can produce musical tones as if they were a single sound source module. This makes it possible to operate the system as if it were the same, and it becomes possible to expand the number of polyphonic devices according to the number of connected devices.

In particular, the polyphonic area specifying means of each sound source module can easily specify the second polyphonic area using the device number, allowing quick setting even during a performance.

[Brief explanation of the drawing]

Fig. 1 is an overall configuration diagram of an embodiment of the present invention, Fig. 2 is a main operation flowchart, Fig. 3 is an external configuration diagram of a console switch and display device, and Fig. 4 is an operation flowchart of switch change processing. , FIG. 5 is a diagram showing a display example of the number of sounds set on the display device, FIG. 6 is an operation flowchart of DIS, /ENA, change processing, FIG. 7 is an operation flowchart of MASHINE Nα change processing, and FIG. The figure is a configuration diagram of the number of pronunciation allocation control memory, Figures 9 (a) to (d) are diagrams showing an example of poly-synchronization operation, Figure 10 is an operation flowchart of MIDI IN processing, Figure 11 is an operation flowchart of the N0TE ON JOB determination process, and FIG. 12 is a N0TE OFF-chart. 1... Gaijin Kai 2... ROM. 3...RAM, 4...CPU. 5...Console part a6...Sound source circuit, 7...D/A section, 8...Console switch, 9...Display device (LCD). Interface circuit, interface circuit, operation flow of JOB determination processing

Claims (1)

[Scope of Claims] 1) In a sound source device capable of receiving note information from the outside and controlling the production of musical tones based on the note information, within a first polyphonic area consisting of a plurality of polyphonic channels, a second polyphonic polyphonic area specifying means for specifying an area by specifying a device number; note information storage means for storing note information for each polyphonic channel in the first polyphonic area; polyphonic channel control means for updating the note information of the polyphonic channels in the first polyphonic area on the note information storage means according to the rules; and each polyphonic channel in the second polyphonic area on the note information storage means. 1. A sound source device comprising: a musical tone control means for controlling the sound production of musical tones based on note information stored in the sound source device. 2) A mode in which musical sound production is controlled based on note information stored in each polyphonic channel in the second polyphonic area on the note information storage means, and a mode in which musical tone production is controlled unconditionally based on the received note information. 2. The sound source device according to claim 1, further comprising musical tone control means capable of switching between modes for controlling musical tone production. 3) The note information input from the outside is MIDI (
Musical Instrument Digital I
3. The polyphonic area specifying means, the note information storage means, the polyphonic channel control means, and the musical tone control means operate independently for each MIDI channel. The sound source device described.