JPS58211191A - Automatic performer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic performance device, and more particularly, to a memory for storing performance data, it is possible to record multiple performances by storing sound generation channel data in the Tomei generation means as well as key data and timing J-Y. This invention relates to an automatic performance device that enables automatic performance.

Conventionally, an automatic performance device has a performance data memory, and records one-key event timing data indicating the key-on time and key-off time of each key along with key data representing the depression of the keyboard by playing.This key data is stored during playback. Also known are devices that read timing data and reproduce the original musical tone.

By the way, in such conventional automatic performance devices,
Only the key data and timing data were recorded in the performance data memory, and the tunnel data indicating the channel in J3 was not stored in the musical tone generation circuit for generating musical tones based on these data. Therefore, when playing back stored performance data, it is not possible to playback with different tones for each channel, and when multiple performance data is stored in multiple performances, each channel must be associated with a different tone. However, there is the inconvenience of not being able to record data.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the conventional type, an object of the present invention is to provide an automatic performance apparatus having a means for storing performance data obtained by playing a keyboard, when recording key data and timing data. Based on the concept of recording sound generation channel data in addition, the present invention is intended to enable recording and reproduction of different tone colors C for each channel, or to enable recording of multiple performances.

The present invention includes a keyboard that includes a large number of keys and generates rekey data representing the pressed states of these keys, and a keyboard that has a plurality of sound generation channels and generates musical tones based on key data assigned to each of these sound generation channels. a timing circuit that counts key event 1 timing and musical tone formation timing; a storage channel designation device that designates a channel to which key data is to be assigned during recording among the sound generation channels; and performance data storage. When recording, the key data is assigned to the specified sound channel and the key number 1 is set to 1.
The musical tones counted by the timing circuit are stored in the performance data storage means, and the key event timing data read from the performance data storage means is used during playback. The present invention is characterized in that it comprises a data storage/read control means for reading out the above 1-data based on the formation timing and transmitting it to a predetermined sounding channel of the Tomei formation means.

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

51 shows a circuit configuration of an electronic musical instrument according to an embodiment of the present invention. The electronic musical instrument 1 shown in the figure is equipped with an R-record performance device 1 and an automatic performance device @2. This keyboard performance device 1 can be used alone as an electronic musical instrument for manual performance, but when combined with this automatic performance device 2, an automatic performance function is added.

The keyboard performance device 1 includes a keyboard 11, a key press detection circuit 12, a Brennnel assign circuit 13, a key performance 1--range generator 14, a tone selection switch 15, an amplifier 16, a speaker 17, and the like. The keyboard 11 has a large number of key switches each linked to a large number of keys, and a key press detection circuit 12.
represents a depression on the keyboard 11 and generates key information (key data). The channel alli-in circuit 13 is used to allocate the blindness that should be generated in response to a key press to one of the sound generation channels in the tone generator 14. When a key is pressed (key-on), the key press detection circuit 12 outputs new key data. When you do this, change this key data to (1)
The oldest free channel (key-off channel)
(2) If there is no key-off channel, assign it to the oldest key-on channel. That is, the channel alli-in circuit 13 allocates the key data generated by the key press detection circuit 12 to each sound generation channel A7 of the key performance 1--tone generator with priority given to the last-arrived key data. 1--The sound generator 14 has a plurality of sounding channels, for example eight sounding channels,
A musical tone with a pitch and length corresponding to the key data and a tone specified by the tone color selection switch 15 is formed. The musical tone thus formed is emitted via the amplifier 16 and speaker 17.

The automatic performance device 2 includes a central processing unit (CPU) 21 that controls the overall operation of the drive, a program memory 23.1, a no king memory 24, a performance data memory 25, and an Isitano memory 23, which are connected to the CPU via a common bus 22. J-S2
G, 27.28.29, a recording timer 30 and a reproduction timer 31, a display control circuit 32 and an operation switch 33 connected to the interface 27, a key data register 34 connected to the interface 28, and The blue color control register 35, the external recording device 3G such as a magnetic disk connected to the interface 29, the key data register 34, and the tone control register 35
A 1-1 generator 37 for automatic performance is connected to the 1-1 generator 37 for automatic performance.

The program memory 23 is composed of a read-on memory (ROM) or the like, and stores a control program for the CPU 21.

The working memory 24 is a random access memory ([riΔM) for temporarily storing various data generated when the CPU 21 executes a control program, and has various flags, registers, 13, and a buffer memory. The flag C is a 1-bit record flag PIY ``l-G'' indicating that playback is in progress, and a 1-pi 1- record flag REC [lG indicating that recording is in progress.Registers etc. Specifically, there is an 8-pit playback channel register PLAY CI-1 that indicates whether or not the corresponding channel is being played back for each pitch, and a channel designated for recording. It has a bit recording channel register RECCH, j3 and four key data registers corresponding to the key code memory normally provided in the channel assignment circuit 13. It also stores the bank number during reading (playback) and recording. In addition, there is a buffer memory, a 2 x 8 byte long play buffer IPLYBUF for storing performance data during playback, and a 2 x 8 byte long interlab for storing performance data to be recorded.・Buffer INT
B U F h” is provided.

Also, in this tooling make-up 24, there is an intabuchi 1 hebatsufu? Condition f, 1 for each channel of INTBUF
() These channels (7) ``4''
A > a3 J, a register is also provided to store the order of bikeyono.

As shown in Fig. 2, the performance data section 25 consists of a plurality of banks, which store key data, remixing data, and Brennnel data. It is provided with a bank address data section for storing the start and end addresses, and a storage channel number data section for storing one or more Brennnel numbers used for recording performance data for each bank.

As shown in FIG. 3, the banks of the performance event data section are composed of a plurality of data sections D each having, for example, 8 bits x 2 bytes as a unit.1. D2.1) 3. Cover... with ingredient 4a. The top four bits I~ of the first byte in these data sections are identification marks indicating the type of data, for example, whether it is key data or timing data. The data section D1 stores timing data C', an identification mark indicating that this data is at timing C in the upper 4 bits 1~ of the first byte, and 4 pins 1~ in the T position of the first pie 1-. 2nd Bye 1 Henika (Pute no 1
Relative time data between the previous key event (clicked by the recording timer 30) and the current key event is stored. The data sections D2 and []3 are for storing the key numbers 1 to 1 at the timing of the data section D1, and the upper 4 bits of the first byte contain an identification mark indicating that the key is the key number 1 and the next key number. 1 indicates whether the key event 1~ is key-on (・21-off), the channel number data is stored in the lower 3 bits, and the key data is stored in the second high 1-. .

The interface 26 is connected to the blue channel assign circuit 13 and tone color selection switch 15 of the keyboard playback device 1, and is connected to the channel early in circuit 13r key code (key data, key event data, etc.) and blue color selection. This is for importing the tone mark generated by the switch 15 into the CPU 2+.

The recording timer 30 calculates the relative time between each key event using the tempo set by a tempo volume, which will be described later, as a reference. In the recording mode (the recording tine 30 interrupts the CPU 21 by keys 1 to 1).
Koyo C count 11 white σ, that is, the timing data is read and cleared.

The reproducing timer 31 is activated by the timing data read from the performance data memory 25, and when this timing is slightly exceeded, an interrupt is sent to C1) U21.

When the CPU 21 is interrupted by the reproduction timer 30, it reads the next timing data, key data, etc. from the performance data memory 25, and also writes this new timing data to the reproduction timer 30.

The key data register 34 consists of a memory for 8 buttons, and the key data read out from the performance data memory 25 corresponds to the sound tone block 1! temporarily stored in the corresponding channel. Tone control Lujistar 35 is 8
Consists of memory for channels, 15 tone selection switches
'UCP is generated through the interface 26.
The tone data taken into U21 is set for each channel to the channel designated by the operation switch 33.

The automatic performance generator 37 has eight sound generation channels corresponding to 81 tunnels of the key data register 34J5 and the tone control register 35, and the key data and tone stored in the key data register 34 for each channel. A musical tone is formed according to the timbre (tone color) set in the control register 35. The output of this 1-1 generator 37 for automatic performance, that is, the playback output, is input to the amplifier 16 of the keyboard performance device 1, and is output from the speaker 17 together with the output of the 1-1 generator 14 for keyboard performance due to the performance of the keyboard 11. .

FIG. 4 shows an overview of the operation panel of the automatic performance device 2.

The operation screen 8 in the same figure has numeric keys 1, 2, 3...
, 9°0, command key CMD, carriage return key C/R, shift 1~=1--, and pitch name keys C, D,...
. . . , a -1 REC key and a PLAY key, and an operation switch are provided at the 77th EDIT for specifying or canceling editing, recording, and playback modes, respectively. number key 1,
2.3. ..., 9 and 0 are used for multiple purposes, such as inputting the channel number or bank number, or specifying the strength of a sound such as pianissimo or fordessimo. . EDIT'! F- is a key for editing, such as erasing part of the recorded performance data or inserting new data. Also,
This operation panel has a 5TA button that starts the recording J3 and playback operations specified by the RFC key J3 and PLA Y key.
RT key, 5TOP key for stop and I for pause
) AUSF key and the 5TEP-FORWARD key, which advances the playback of performance data, that is, memory storage, one step at a time in playback or editing mode;
F A S -r' -F OR for rapid advance
A WΔR[) key, a S'rEP-B ACK key for incrementing the vehicle one step at a time, and a FAST-BACK key for rapidly retreating are arranged. These keys arranged on the operation panel are shown in Figure 2.
The CPU operates as the operation switch 33 of the automatic performance device 2 via the interface 27 and the common bus 22.
It is connected to 21. This control panel also has a tempo volume T'EM to adjust the playback tempo.
P O is set (-), and the setting information of this volume is also transmitted via the interface 27 (Fig. 2).
Sent to U21.

Furthermore, on the operation q8 in FIG. 3, there is a liquid crystal display device DSP for displaying operation menus, etc., and a recording dial display and playback channel display stand 8 for displaying the number of the recording or playback channel. An indicator LED consisting of +IBI light emitting diode elements is also installed. These display devices DS1) and 1-FD are driven by a display control circuit 32 shown in FIG.

The operating method and operation of the automatic performance device configured as described above will be explained.

To record performance data, first press the RFC key on the operation panel shown in Figure 4, and input the bank number (to be pulled) into the entertainment data memory for recording the performance data using the numeric keys. After inputting one or more channel numbers to be recorded using the numeric keys, or without pressing the numeric keys, press ``C/R''.This causes the luminous tie A-
The 17th channel indicating the record number in [] will be stippled on the display 1. Next, press the 5TART switch in the operation switch section, and then press the keyboard 11 to play the desired performance.
Input performance data. After the performance, 81'
By pressing the OP switch, the performance data is transferred to the designated bank and recording of the performance data is completed.

If you want to play back a performance recorded in this way, press the PLAY switch and enter the bank number using the numeric keys. The performance data recorded in 71J<1.In this case, by operating each operation switch to the right, you can replay the song one step at a time or fast-forward the song.

The above-mentioned performance data recording and 71j is Ir'j.
11 at the time of J. In this case, the playback channel is the recording time block stored in the performance data memory 25.]
- Channel is used, but the f channel for recording is 11-
It is independent from the playback channel and can be specified at will.Therefore, although there is a playback fI7 channel C, at the same time, the playback key of the specified channel C is also used as the recording channel.
゛- Is it an interwoven buffer in the working memory 24 after being read out? Stored in IN Ding BUF, key performance equipment @
1 with new key data input into this interlab i-buffer INTBUF. One recording channel is assigned to each of the rearranged key data, and these key data are recorded in the performance data memory 25 together with the assigned channel number. On the other hand, playback performance data that has a channel number that is designated as a recording channel but is not specified as a recording channel is read out and then stored in the play buffer PLYB.
Temporarily stored in the UF, the performance data memory 25
recorded in Therefore, by inputting new key data while playing back the performance data of the previously recorded channel, and combining or cutting these playback performance data and the keyboard performance data as appropriate (
One person can perform a sophisticated multiplayer performance using one or more types of instrument pitches.

Next, the operation of the automatic performance device having the above-mentioned configuration will be explained using FIGS. 5 to 9. In this automatic performance device, each switch on the operation panel is pressed and a playback timer is used. When IJ including J5 and key f13 are pressed -1, the processes in Figures 5 to 9 are performed depending on the event 1 to type. ] Now.

FIG. 5 shows the processing procedure for setting and canceling the playback mode. 1] When the -ΔY switch is pressed, it is first determined whether the play flags PLYF and LG are 1''.

If it is "1", pressing the PLAY switch when the playback mode is specified means canceling the playback mode, so the play flag PLYFLG is reset and the light tights 1- -1- Rebuild the display 1 "]) to A, cancel the playback mode, and finish the process. If Blainolag PLYFLG is '1"r
If not, perform the following playback mode setting process. That is, after setting the play flag [1l-YF[-G to 1'', it is determined whether the record flag RECFLG is 1'°, and the play flag RECFLG is '1''.
('If so, perform processing to avoid inputting the bank number.

This is first displayed on the liquid crystal display DSP. '' is displayed, and when a bank number is input using the numeric keys in response to this display, bank M data is stored in the bank number memory and this bank number is displayed on the liquid crystal display device DSP. Furthermore, this automatic performance device is configured so that playback and recording are always performed using the same bank. When setting the recording mode (FIG. 6), since the bank number is set to 1 to 1, it is necessary to perform 10 steps and move on to the next step.

In the next process, -C is stored in the bank number memory and C
The playback channel is read out from the data in the bank corresponding to the bank number data, and stored in the playback channel register PLAY CI-1, and C is displayed on the light emitting diode display LED. ,
The display on the liquid crystal display device t)St) is set to A, and the playback setting process is completed.

When the RF C switch is pressed up, as shown in FIG. 6, it is first determined whether or not the record flag RECFLG is at 1°. b L ” 1 ” - if it is 21
-Reset the flag RECFLG, turn off the light-emitting diode display '1ALIED for displaying the recording channel I7, cancel the recording mode, and end the C process.

If the flag RE CF L G is '1'r, the °C recording mode is set by the following process.

1% Straw]-Doflag RF CF l-G '1''
After setting the play flag PLYFLG to "1"
Determine whether or not. If Brainorag l-) l Y
If FL G is "°1", set it to the stud in Figure 5, input the C bank number, perform the final processing, store the bank number in the hang number memory, and display the LCD display r I)
Displayed on SP. If Blainolag PIYFLG is "1", there is no need to input the bank number, so skip the above process and move on to the next process.In the next process, C displays the [channel Displays the number ``manpower?1'' and prompts you to input the channel number. If the 4-switch is pressed in response to this display, the key data corresponding to that key switch is imported and the input is performed. It is determined whether or not there is a numeral 4-C. The key data is imported again, and if a key other than the C1 number key is pressed, it is determined whether the carriage return j-C/R is selected, and the carriage return key C/R is pressed. If so, end the recording channel setting process and proceed to the next process.Next, record channel register RE CCl-1
Determine whether channel data already exists. As a result of this determination, if there is no channel data, that is, if the carriage return key C/R is pressed without inputting the channel number, -C is the total Brennel value for this self-playing neck. The contents of the C recording channel register RFCCH, which means 1, are specified as A-rules.
”, and if there is a channel indicator, move on to the next step.Next, set the record channel indicator A-1/indicator 1.El) to the recording data. Channel register RE C according to the contents of CCl-1
For example, after lighting up the display of the channel in which the corresponding pip [- is set in the recording channel register RIE CC1+, the display on the liquid crystal display device DSP is changed to Δ) and the process is terminated.

FIG. 7 shows the processing procedure when the STA RT switch is pressed. First of all, Ambohori ``Kum By Sera 1''
Retrieve the tempo data and data from the recording timer 30 and playback timer 31 and set the frequency. i now. Next, the play flag PLYFLG is '1''U, but it is determined whether it is fortune-telling or not, and it is 1°'
If it is, the head timing data from the specified bank in the performance J part memory is set in the reproduction timer, and furthermore, the rq raw timers 31 and the like are enabled. Therefore, in this state, when the playback timer 31 counts the time specified by the timing data C that was read 1~, the event 1~ instant processing (FIG. 8), which will be explained later, is performed. j. Next, it is determined whether the record flag RECFLG is '1'° or not, and if it is '1', the recording timer 30 is initial cleared, and an input interrupt 1- by a key event is received (=J possible). If there is an interrupt to event 1 due to the key event in this state, the process moves to event 1 to be interrupted (Fig. 8).Next, the key data in the buffer 11NTBUF of the interrupt 1 is recorded in the desensel under the predetermined conditions. This predetermined condition is C', which is the same as the operation of the chitunnel alley-in circuit 3 in FIG.

2. If there is no key-on channel, assign to the oldest key-on channel -C.

3. Clear the corresponding channel data for key switch 1.

Like Ci! 11. Win C is carried out. Next, play buffer; t-PLYBUF or interwoven buffer 1
While repeating this process, the process waits for the data to be stored in the f-ray buffer IPLYBUF or Interazotobano 7/IN-'rBUF. In this judgment process, if it is judged that there is data, the time data of the recording timer is stored as timing data in a predetermined area in the performance data memory 25, and then the recording timer is cleared. , play buffer PLYB UF and intersect buffer 1 N
-1-[3U Store the data in unit data memory in a predetermined area of the performance data memory, and delete the stored notes from the play buffer PLYBUF and the interlab 1 to buffer INTBUF. This J: Play buffer PLYBUF or interact buffer 11
Ndō 13U "Inside)-Yu" is executed until the data is exhausted, and after the data is exhausted, the process shifts to the previous) small tunnel allocation process.A3, Timing-j\-Yu and key data are temporarily stored in an empty bank. Special memory and multiple S T OI)
The switch is pressed and IS l+'! i is transferred to the specified bank.

Figure 8 shows Event in Club 1~ J8 Go no J! 1
I will show you one step. As shown in the figure, in the case of event in club 1~ (JFirst, it is determined whether or not there is an event in club 1~).If the playback time is not 1~, event in club due to the key event! 1, it is determined that the interrupt is 1, the keeper is stored in the interwoven buffer IN king F3U1'', and the C processing ends.t) If there is a playback timer event U',
The key data is output to the channel, and a musical tone is generated by the tone generator 37 for automatic performance of -C. Next, it is determined from the contents of the recording channel register RE CCH whether the event channel is designated as a recording channel. If it is specified as a recording channel, store data in the interwoven buffer IN 13U, and if it is specified as a recording channel, store data in the play buffer PIYr3LJF. Store.

Next, it is determined whether or not the next event is Time Given 1 to Tunawara Timing Data C'A. Set the relative time of l\n1~ma(.If the time event l-(・returns, the next event 1- is: 1-theta (there is) ' Performs key data storage processing.

FIG. 9 shows the processing order when the 5TOP switch is pressed. In this case, as shown in the figure 1, first, 17
-1- H' 7 Lug RE CF L G is 1'' (
If it is ``1'', the performance data temporarily recorded in the empty bank in the above process is transferred to the specified bank, and if it is ``1'', it is recorded as is. Clear flag R[CF L, G and play flag PLYFLG L'Uli photodiode indicator Δ). Next, key event 1~ and event included by the playback timer are prohibited.

d3, EDIT key, note name -1-1, shift -1-
1 numeric key (ppp ~ [[f) etc., above-mentioned explanation by Ono C
t) It is possible to modify and add performance data by using operation switches J3J, bison l-1grams, etc. other than those used above. Also, as mentioned above, C is a performance.

- from the tone selection switch 15 to the voice bus 22 when playing data.
By manually inputting tone color data to the rich color control register 35 through It is also possible to record 17 times in the performance data memory, and in this case, it is possible to perform editing operations such as modifying or adding tone data.

As described above, according to the present invention, since the key data is recorded together with the key data when recording a performance, it is possible to playback in six different colors for each channel, or to play back each channel in 6 different colors during a multi-use performance. It becomes possible to record different correspondences, and it is possible to perform at a high level by expanding the shallowness of automatic deduction equipment.

[Brief explanation of drawings]

Figure 1 shows the circuit configuration of an electronic musical instrument according to an embodiment of the present invention. Fig. 4 (, L Fig. 1)
Figures 9 through 9 are schematic diagrams showing one example of the structure of the keyboard. 1...Keyboard performance Device 2... Automatic performance device 1
1...keyboard 12...fill II' detection circuit 13
... 17 channel V-in circuit 14 ... 1 henge generator for key performance 115 ...
Tone selection switch 1G...] 1W width switch 17...
Speaker 21...Central ff1ll M device 22...46 bus 23...7'L
l graph 11 meshiri 24... working memory 25
...Performance data memory 26, 27, 28, 29...
Interface 30... Recording timer 31
...Regeneration timer 32...Display control circuit 3
3...Operation switch 34...Key data register
35... Tone control register 36... External recording device 37... For automatic performance (-1 generator. Special i4 applicant 1-1 Honkyo Gakki Co., Ltd.)
J person patent attorney Tatsu Ito J1 agent patent attorney”
fil Tetsuya Azuma Figure 8 Figure 9

Claims (1)

[Scope of Claims] 1. A keyboard that includes a large number of keys and generates key data representing the pressed state of these keys, and a keyboard that has ?9 light-sound Brennels assigned to each of these sound-producing Brennels. a musical tone forming means for forming a musical tone based on key data; a timing circuit for performing key event timing and musical tone forming timing; and a memory for specifying a channel to which key data is to be assigned at the time of recording among the R and tone channels. A channel specifying means, a performance data storage means, and when recording, the key data is assigned to a specified sound generation Brennnel by Δη, and based on the key event 1, key data and key event 7- are assigned according to the key event 1-.
7 and 7 are written in the performance data storage means, and during playback, the key event timing data read from the performance data storage means is used to select the key based on the musical tone formation timing counted by the timing circuit. An automatic performance device characterized in that it operates a data storage/read control means for reading data and transmitting the data to a predetermined sound generation channel of a musical tone forming means. 2. The automatic performance apparatus according to claim 1, wherein the data storage/read control means includes a buffer memory that temporarily stores key data when a key event occurs. 3. The buffer memory is provided with a buffer memory that temporarily stores key data when a key event occurs. 2. The automatic performance device according to claim 2, wherein the data stored in the automatic performance apparatus is reorganized and temporarily stored together with the key data based on the key event 1.4. 4. The automatic performance device according to claim 3, further comprising a separate buffer memory for temporarily storing data in a buffer memory, so that only readout data of some channels are not reorganized.