JP2894306B2 - Performance recording and playback device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] The present invention relates to a key for an electronic musical instrument.
The performance information input from the board or computer
Digital event that indicates changes such as the key pressed state of the keyboard
Record in the form of data, and then re-record the recorded performance information.
A so-called event that is generated and output to a computer or sound source
Type performance recording / playback apparatus,
Performance information and already recorded performance information
Suitable for performance recording and playback when performing multiple recording
Related. [0002] 2. Description of the Related Art As a conventional performance recording / reproducing apparatus, for example,
For example, what is disclosed in Japanese Patent Application Laid-Open No. 58-111191 is known.
Have been. In this performance recording / playback apparatus, keyboard operation is performed.
Depending on the composition, key-on information indicating the sound
Performance information consisting of key-off information indicating silence is generated.
You. And these information is the timing that they occur
Recording with the timing information indicating
Key-on and key-off information based on the timing information.
Playback and output to the sound source
I try to live. In this conventional performance recording / reproducing apparatus,
Record performance information along with channel information, and
Send to a sound source with different tones set for each channel
Ensemble performances with various different tones
It is possible. [0004] [Problems to be solved by the invention]
The conventional performance recording / playback device of
When the performance information is input, it is only recorded
Then, the input performance information is renewed
There was no output from the device. Therefore, the keyboard
The performance cannot be performed while checking the used sound.
If you want to check the playing sound, usually a keyboard with a built-in sound source device
The user can input data by using the device.
I had to do my husband. As described above, in the conventional performance recording / reproducing apparatus,
Requires expensive input devices such as a keyboard with a built-in sound source device.
There was a problem that it was necessary. It also has a built-in sound source device
When the performance is actually played, even if the keyboard
When the performance is different from the sound source device used for
When playing a recorded performance, you can hear the same tone
Since you cannot hear it, the
There was the inconvenience of not being able to catch it during recording. The present invention relates to such a conventional performance record reproduction system.
It was made in view of the inconvenience of the raw device,
Input and record performance information with an input device that is not stored
You can input while checking the performance sound
It is intended to be. [0007] [Means for Solving the Problems] To achieve the above object,
In the first aspect of the present invention, a plurality of externally input
Record the performance information of the part, and record the recorded performance information.
Output terminal in a performance recording / playback device that outputs
Output terminals that output multiple pieces of performance information
Multiple output terminals to output recorded performance information
It can be set for each part of the part.
Outputs performance information from output terminals set for each part
During playback, each part of the input performance information is recorded
Outputs with each part of the performance information set
Output from the terminal. According to a second aspect of the present invention, an external
Record the performance information of multiple parts input from
A performance recording and playback device that outputs recorded performance information to the outside
Input of performance information of multiple parts
Multiple input terminals that can be input as a group, and each
Output performance information of multiple parts as one output group
A plurality of output terminals that can be
Performance information and performance information recorded in the recording means.
The output group that outputs the information is grouped by output terminal.
Setting means for setting the recording means.
The performance information recorded in the
And an output composed of a plurality of parts from the output terminal.
Output as a group, and during recording, input from the input terminal.
The performance information to be input and the performance recorded in the recording means
Information and the output terminal based on the setting by the setting means.
Output as an output group consisting of multiple parts from
I am trying to do it. Here, to record performance information
Storage means can store performance information of a plurality of parts.
The output group is independent of the parts of the input group.
First, it can be set arbitrarily from all parts of the storage means.
ing. In the embodiment of the present invention, there are eight output terminals.
Each output terminal has 16 channels.
Output devices (such as electronic musical instruments) can be connected.
it can. In this case, the output group is 16 × n (n is
The number of output terminals assigned to the group is n = 1 to
8).
A stop mode that disables recording and playback of performance information
The playback mode and the performance information
Enables recording mode to be set for each part
It has become. [0009] According to the present invention, recorded performance information is reproduced.
Set the output terminal when producing. And during playback
Outputs the performance information at the set output terminal. Ma
Also, set the performance information input during recording at that time
Output at the output terminal. During playback, the invention
One or more sound source devices connected to the
The sound is set differently for each part or group.
Normally, the same part is used during recording as during playback.
Or connect the sound source devices of the group to
Generates tone signals based on performance information
You can hear the same tone as during playback.
It is easy to grasp the image. Of course, performance information
Input device does not need to have a built-in sound source device.
You. Also, input data from an input terminal is output.
Output terminal and MIDI output channel settings
Output terminal for outputting recorded performance data and MI
DI output channels can be set arbitrarily.
Input data and recorded data
Output using MIDI channels with different output terminals
It is also possible. Therefore, the input and output of the device of the present invention
The connection of the sound source (electronic musical instrument) to the terminals
Input data with a sound source (electronic musical instrument) intended by the user.
Settings to play back data and recorded data.
The user can record while monitoring the intended performance
Can be performed. [0011] Next, embodiments of the present invention will be described in the following order.
I do. Schematic description of the recording device in FIG. 1. Explanation of the configuration of the recording device in FIG. Explanation of the operation of the recording device in FIG. 1. Main processing (Fig. 8) 2. INC / DEC switch processing (Fig. 9) 3. UP / DOWN switch processing (Fig. 10) 4. LEFT / RIGHT switch processing (Fig. 11) 5. PLAY switch on processing (Fig. 12) 6. REC switch on processing (Fig. 13) 7. Song start processing (Fig. 14) 8. Track change processing (Fig. 15) 9. Key-on event processing (Fig. 16) 10. Key-off event processing (Fig. 17) 11. Time interval data processing (Fig. 18) 12. End mark processing (Fig. 19) 13. STOP switch-on processing (Fig. 20) 14. Walk-off process (Fig. 21) 15. Key-off writing process (Fig. 22) 16. STOP switch-on processing (continued) (Fig. 20) 17. Playback timer interrupt processing (Fig. 23) 18. Recording timer interrupt processing (Fig. 24) 19. Input interrupt processing (Fig. 25) 20. Input side key code processing (Fig. 26) 21. Input interrupt processing (continued) (Fig. 25) 22. Explanation of operation example (Fig. 27) (Overview of the recording device in FIG. 1) FIG.
Is a multi-recording apparatus for an electronic musical instrument according to an embodiment of the present invention.
2 shows the hardware configuration. This recording device is a so-called
Event-type keyboard keys for electronic musical instruments
And key event data representing key release.
Recorded together with event occurrence timing (time interval) data
And records the recorded key event data with the timing data.
-Playback and output at time intervals based on data. The record is a key
Input from a performance information generator such as a computer or computer.
Key based on key event data and played back
The event data is transmitted to a computer or a sound source. Ma
In addition, reproduction data is obtained by combining input data and reproduction data.
Overdubbing is also possible to record on the original track from which
Noh. Key event data input and output terminals
Are provided, and each terminal has a MIDI
(Musical Instrument Digital Interface) Standard
(Hereinafter referred to as MIDI channel)
16) are set for each. In other words, this
Recording device has 8 × 16 = 128 input and output
With input channels and 128 input devices (e.g.
For example, the keyboard of an electronic musical instrument and 128 output devices (for example,
(For example, an electronic musical instrument). [0014] 64 recording tracks are set.
Each track has one desired input channel.
And output channels can be assigned. Also,
Each track records data for 32 keys being pressed simultaneously
can do. Therefore, this recording device is equivalent to 1
28 instruments are connected at all times, and 6
You can select four instruments and record and play the performance
it can. Also, as long as the sound source connected to the output terminal allows.
As a result, 32 sounds are reproduced for each track,
Up to 32 × 64 = 2048 sounds can be generated simultaneously. (Explanation of the configuration of the recording apparatus in FIG. 1)
In addition, the central processing unit (CPU) 10
It is for controlling the movement of the body.
Memory 14 and a cash register via
Star group 16, sequencer memory 18, input device 20, output
Force device 22, switch group 24, and tempo generator 26
Is connected. The program memory 14 has a read-only memory.
A control for the CPU 10 constituted by a memory (ROM) or the like
The program is stored. The register group 16 includes the CP
Each of the items generated when U10 executes the control program
For temporarily storing seed data
For example, in a predetermined area in random access memory (RAM)
Provided. A register group prepared for this recording device
The registers that make up the 16 are shown in alphabetical order
It is as follows. In the following, each register is special
Unless otherwise noted, the contents (data etc.) are shown. 1. CSX: Constructing the input / output information table (Fig. 6)
Register TBL (0-63, 1-5)
Cursor x coordinate (corresponding to recording track number) 2. CSY: Key for TBL (0-63, 1-5) designation
Sol y coordinates (corresponding to input / output information) 3. FLG: Sequence data processing distinction flag 4. IN1 to IN3: Input data from the input device (key
Code etc.) Buffer 5. IKCBUF (0 to 63, 0 to 31): Input terminal
Key press information buffer for each track (input side key buffer
A) 6. INCH: MIDI channel of input data (0 to 0)
15) 7. INTRM: Input terminal information of input data (0 to 7) 8. i: Control variable 9. j: Control variable 10. JOB: Performance mode (O: STOP, 1: PLA)
Y, 2: RECRD) 11. KC: Key code (7 bits) 12. LEN: Event time interval 13. LNEST: LEN remaining time to write 14. LNSAM: Elapsed time since the previous key event occurred 15. OKCBUF (0 to 63, 0 to 31): Output terminal
Key press information buffer for each track (output side keyboard buffer
A) 16. OLDCNT: RECCNT (Write time register
Old data) 17. OUT1 to OUT3: Output data to output device
Fa 18. OUTCH: MIDI channel for output data (0
~ 15) 19. OUTTRM: Output terminal information of output data (0 to 0)
7) 20. PIRQMSK: Masks the playback interrupt signal PLAYIRQ.
Sking (1: mask, 0: interrupt allowed) 21. RD1 to RD3: Events read from internal memory
Data buffer 22. RECCNT: Counter for writing when performance information is input
The value of IMA RECTIMER (Fig. 5) 23. RPT: Sequence data read pointer (read below)
Called a pointer) 24. SONGEND: Last address of the sequence performance data 25. SONGTOP: Start address of sequence performance data 26. TBL (0-63, 0-31): In / out of each track
Power state setting register 27. TCH: Touch information of input key data 28. TRKIN: Track No. as input data 29. TRKRD: Track N as internal memory data
o. 30. TRKWT: Latest writing track No. 31. WPT: Pointer for writing sequence data
Pointer) The sequencer memory 18 has, for example, a random
It consists of an access memory (RAM) for key events, etc.
This is for recording performance information. This sequencer
The data recorded in the memory 18 is as shown in FIG.
The key-on, key-off and 3-byte long
"Time interval" data, 2-byte "track chain"
"Data" and 1-byte "end mark"
is there. The first byte of each data is the seed of the data.
It is an identification mark that indicates the type. The "key-on" and "key-off" data
X in the identification marks 9X and 8X is the MID of the data.
Shows the I channel. "Key on" and "Key off"
The second byte of data is the “key code”, the third byte
Represents "touch" information. "End mark" is a parameter
-An identification mark F2H (hexadecimal notation,
In the following, "H" is added to indicate that it is a hexadecimal number.)
Only 1-byte data. "Time interval" data is
The identification mark is F4H, and the second byte is the time interval.
Upper 7 bits, 3rd byte is lower 7 bits of time interval
Represents "Track change" data is an identification mark.
Is FFH and has track data in the second byte.
This is 2-byte data. FIG. 2 is a schematic diagram of an operation panel of the recording apparatus.
Show a view. The operation panel shown in FIG.
Point to the output information setting register TBL (0 to 63, 1 to 5)
Cursor movement switches 30, 32, 34,
36, Regis designated by cursor CSX and CSY
To change the data in the data TBL (csx, csy)
Increment (INC) switch 38 and decrement
(DEC) switch 40, the performance mode of this recording device
(PLAY) and recording (RECORD) to specify
D) and stop (STOP) switches 42, 44, 4
6, and other controls 48 such as a tempo setting switch
Is arranged. These switches 30 to 48 are
The switch group 24 shown in FIG. The input device 20 shown in FIG.
As shown in the figure, the input is performed through the eight input terminals Ti1 to Ti8.
Temporarily stores performance information and inputs it according to a command from the CPU 10.
Input buffer consisting of FIFO type registers that output sequentially
INBUF0 to INBUF7, one of the input terminals Ti1
~ When performance information is input to Ti8, it is detected and
OR gate 6 for generating input interrupt signal INPUT IRQ
2. Input buffer INB storing input performance information
Encoder 6 for detecting the numbers of UF0 to INBUF7
4 and its number until the input performance information is read
Equipped with an input interrupt number register INIRQNO to store
I do. As shown in FIG. 4, the output device 22
Connected between the tabus 12 and the eight output terminals T01 to T08.
Output buffers OUTBUF0 to OUTBUF7
I have. The tempo generator 26 operates as shown in FIG.
Generates a clock φ with a frequency corresponding to the set tempo value.
Clock setter 70, an 8-bit
Bit increment counter 72, counter 72 is 0
Every time (00H) is counted, the recording interrupt signal RECIRQ
Gate 74 for outputting the count value and the count value output of the counter 72
Latch timer (hereinafter, write timer)
RECTIMER, from sequencer memory 18
When time interval data is read, the time interval value
Separately stored in 7-order bits and lower 7-bits
Registers PLYTMH and PLYTML, registers for
PLYTMH and PLYTML are used to set the above time interval value.
Deck to downcount clock φ after reset
The count output of the increment counter 76 and the counter 76 is 0
Output the playback interrupt signal PLAYIRQ when
Playback interrupt signal PLAY at the time of stop 78, etc.
Register to set "1" when masking IRQ
When the data 80 and the register 80 are set to "1"
Inverter for inhibiting output of interrupt signal PLAYIRQ
And a gate 82 and an AND gate 84. FIG. 6A shows the input / output of the register group 16.
The state setting register TBL (x, y) is displayed as a table.
FIG. In FIG. Ha see
The number of the recording track set in the
In processing, it is represented by the value of the cursor CSX. INP
The UT has an input channel for the data to be recorded on that track.
Channel, input terminal number (CSY = 1 column) and
And its MIDI channel (CSY = 2 column)
It is. OUTPUT is the data read from that track.
Output terminal number, and the output terminal number (CSY = 3
Column) and its MIDI channel (CSY = 4
Column). Track mode (CSY = 5 column)
Specifies the processing content for that track. Each track
6 (b) and 6 (c) show the processing contents in the mode.
Shown in In FIGS. 6 (b) and 6 (c), the track
Mode O (stop) reads and writes to the track
Output the input data for the track.
To indicate that 1 (play) is for the track
It does not write or output input data, but the performance mode
If playback or recording (JOB = 1 or 2)
Internal data for the rack (sequence performance data)
Indicates playback and sending to the output terminal. 2 (rec) is
Input data for the track regardless of the performance mode
Is sent to the output terminal and the performance mode is recorded (JO
If B = 2), the input data is written and
The performance mode is re-executed for the internal data for the track.
Output terminal if raw or recorded (JOB = 1 or 2)
Is transmitted to (Explanation of the operation of the recording device in FIG. 1)
Referring to the flowcharts of FIGS. 8 to 27, the recording of FIG.
The operation of the sound device will be described. [0028]1. Main processing Referring to FIG. 8, when the device is powered on, C
PU 10 is a control program stored in program memory 14.
The operation is started according to the program (step 100). Ma
First, in steps 101 and 102,
16 is initialized. That is, in step 101, the output side
Key code buffer OKCBUF (0 to 63, 0 to 3)
1), input side key buffer IKCBUF (0-6)
3, 0-31), input / output state setting register TBL (0-31)
63, 0-31), regeneration interrupt masking register PIR
Set QMSK and play mode register JOB
clear. These registers have ROM or
Set a preset value read from external memory
You may make it. In step 102, the sequence
The first address SONGTOP and the last address S of the performance data
Set ONGEND from an external memory or the like. After the initialization is completed, the INC / DEC switch
Processing (step 110), UP / DOWN switch processing
(Step 130) LEFT / RIGHT switch processing
(Step 140), the PLAY switch on process (step 140)
Step 150), REC switch on processing (step 1)
60) and STOP switch-on processing (step 17)
0) Each subroutine is called and executed, and then
Other processing (step 190) is performed,
A series of processing consisting of steps 110 to 190 is repeatedly executed.
Run. [0030]2. INC / DEC switch processing The INC switch 38 and the DEC switch 40 of FIG.
Is also used to change the input / output state TBL (csx, csy).
It is. Referring to FIG. 9, in step 111, I
NC switch 38 and DEC switch 40 are turned on
Check whether or not. Any of these switches 38 and 40
If neither is on, the process returns to the main processing (FIG. 8).
On the other hand, if either of the switches 38 and 40 is on,
Then, at step 112, the performance mode JOB and the cursor
Check the y coordinate CSY. Performance mode is not stopped (JO
BH0) and the cursor specification is less than or equal to the track mode.
If outside (CSYH5), return to main processing (Fig. 8)
You. This allows input / output channels during playback or recording.
Changing the channel is prohibited. If the performance mode is stopped (JOB = 0),
The track mode (CSY
= 5), the process proceeds to step 113. Step 113
Then, cursor y coordinate CSY and input / output information register TBL
Check the contents of (csx, csy). The cursor is tiger
Cook mode (CSY = 5) and cursor x coordinate
The mode of the track specified by CSX is the recording mode (T
If BL (csx, 5) = 2), go to step 115
Otherwise, go to step 114. Step 1
In 14, whether the switch turned on is 38 or 40
Of the input / output information register TBL (csx, csy) according to
After incrementing or decrementing the volume,
Return to the processing (FIG. 8). In step 114, TBL (csx,
csy) 0-7 when CSY = 1 or 3 0-15 when CSY = 2 or 4 0-2 when CSY = 5 Increase or decrease in the range. For example, TBL (csx, 5) = 2
Set to 0 when incremented. As a result of the inspection in step 113, CS
When Y = 5 and TBL (csx, 5) = 2,
When switch 38 or 40 is ON, track number CSX
Track mode for a track from record mode
If you want to change to another mode,
In switches 115 to 126, the switch 38 or 40 is turned off.
If there is a key that is being pressed at the time of
Perform That is, in step 115, the control variable i is
Set to 0, input track CSX in step 116
Key to the side key code buffer IKCBBUF (csx, i)
Check if the code is stored. Stored
Otherwise, the processing of steps 117 to 124 is not executed.
Proceed directly to step 125. On the other hand, if the key code is stored,
Input key-off data of key code Data buffer IN
1 to IN3 (step 117).
Clear KCBUF (csx, i) (step 11)
8). In step 117, the key-off touch is performed.
Input customary 40H as information Data buffer IN3
Is set to Subsequently, the input / output information register TBL
To CSX track output terminal and MIDI
Read channel and output terminal register OUTTRM
And to the output channel register OUTCH (switch
Step 119), the input data buffers IN1 to IN
Key data stored in the MIDI channel
Only data is converted to data OUTCH and output data
Buffer OUT1 to OUT3 (step 12).
0), output data OUT1 to OUT1
After outputting OUT3 (step 121), step 1 is executed.
At 22 the performance mode is confirmed. Here, the performance mode is recorded.
If it is a record (JOB = 2), follow the instruction of the write pointer.
Key set in the input data buffer IN1 to IN3
-Write off-data to the sequencer memory 18
(Step 123) The write pointer is advanced by 3 counts (step
After step 124), the process proceeds to step 125. On the other hand,
The performance mode of the loop 122 must be record (JOB = 2)
In this case, the processing of steps 123 and 124 is skipped and the
Proceeding directly from step 122 to step 125. In step 125, the control variable i is set
And in the next step 126, the value of the control variable i becomes 3
It is determined whether or not 1 has been exceeded. If it is 31 or less,
Returning to step 116, the next key code buffer IKCBU
A key-off process for F (csx, i) is performed. one
On the other hand, if it exceeds 31
Inspection and key-off processing of all input side key buffer
Is completed, the process proceeds to step 114, and the
In the input / output information register TBL (csx, csy)
Of the switch that turned on the volume is 38 or 40
After incrementing or decrementing
Return to the processing (FIG. 8). [0038]3. UP / DOWN switch processing UP switch 34 and DOWN switch 36 in FIG.
Is the cursor x-axis on the input / output state table of FIG. 6 (a).
This is for moving the CSX up and down. Referring to FIG. 10, in step 131,
Inspect UP switch 34 and DOWN switch 36
You. And either of these switches 34, 36
If the switch is on, set the on switch to 34 or 36.
Cursor x-axis CSX in the range of 0 to 63
Incremented or decremented (step 13
2) Later, both switches 34 and 36 are turned on.
If not, the main processing (step 8
Return to figure). [0040]4. LEFT / RIGHT switch processing The LEFT switch 30 and the RIGHT switch shown in FIG.
The switch 32 is positioned on the input / output state table shown in FIG.
This is for moving the y-axis CSY right and left. Referring to FIG. 11, in step 141,
LEFT switch 30 and RIGHT switch 32
inspect. And any of these switches 30 and 32
If it is on, is the switch turned on 30?
The cursor y-axis CSY ranges from 1 to 5 according to
Increment or decrement (step
142) After that, both switches 30 and 32 are turned on.
If not, the main processing (the first
Return to FIG. 8). [0042]5. PLAY switch on processing Referring to FIG. 13, in step 151, the reproduction mode is set.
It is determined whether or not the switch 42 has been turned on. If you turn on
If not, the process returns to the main process (FIG. 8). one
On the other hand, if it is turned on, the play mode registration is performed in step 152.
Set the job to 1 and set the song
After executing the port process (FIG. 14), the main process (FIG. 8)
Return to figure). [0043]6. REC switch on processing Referring to FIG. 12, in step 161 the recording mode is set.
It is determined whether the switch 44 has been turned on. If you turn on
If not, the process returns to the main process (FIG. 8). one
On the other hand, if it is turned on, the play mode registration is performed in step 162.
Set 2 to the data JOB, and
After executing the port process (FIG. 14), the main process (FIG. 8)
Return to figure). [0044]7. Song start processing The reproduction switch 42 or the recording switch 44 in FIG.
Each time the performance mode register JOB
Or 2 and then start the song at step 200
Execute the process. In this song start process,
Registers used for playback and recording are preset.
After that, the sequence performance data is read from the sequencer memory 18.
Read the identification mark which is the first byte of
Key-on, key-off, track chain according to the mark
Reading and reading of data such as page, time interval and end mark
And processing according to these data. Note that this
Data reading is performed by time interval data or end mark.
Repeated until taken. Referring to FIG. 14, first, at step 20
1 sets the read pointer RPT to the beginning of the sequence performance data.
Sequence write pointer WPT to address SONGTOP
To the address next to the last address SONGEND of the performance data.
Reset and reset the value of the write pointer WPT at this time.
As the top address of the sequence performance data SONGTOP
To remember. In addition, the reproduction interrupt mask PIRQMSK
Clear to enable playback interrupt PLAYIRQ (step
202), the write timer RECTIMER (FIG. 5)
The output value is stored in the write time register RECCNT (step
203), clear the elapsed time register LNSAM
(Step 204). Next, the reading point from the sequencer memory 18 is read.
1-byte data addressed by the
Then, it is stored in the flag FLG (step 205).
Sequence performance stored in the sequencer memory 18
The first byte of data is an identification mark indicating the type of data.
(See FIG. 7). In step 206, the flag FL
Determine the content of G and change the track according to the determination result
(Step 210), key-on event (Step 22)
0), key-off event (step 240), time interval
(Step 260) and end mark (Step 2)
The process branches to each data reading process of 70). The track
Change (step 210), key-on event (step
220), key-off event (step 240)
And after executing the other processes (step 280)
Returning to step 205, the next data reading process is executed.
The time interval processing (step 260) or
After executing the mark process (step 270), the original
It returns to the main processing (FIG. 8). [0047]8. Track change processing The first data of the sequence performance data is usually track data.
Change data (FF_H ). 14th or 23rd
In step 206 of FIG.
If the identification mark is FFH, the
A lock change process (FIG. 15) is executed. Referring to FIG. 15, first, read pointer R
From the sequencer memory 18 based on the PT address specification
Read 2-byte track change data and read 1 byte
Are stored in the read data buffers RD1 and RD2,
Moves the read pointer RPT to the next read address by 2 counts
(Steps 211 and 212). Then, the buffer R
The track number in D2 is stored in the track number register TR.
After storing in the KRD, the current read track TRKRD and
Compare with write track TRKWT (step 21)
3,214). If they are the same, the original processing (first
(4 or 23). If they are different,
Sequencer memory based on address specification of inter WPT
18 to 2-byte track change data RD1, RD
2 and write pointer WPT to the next write address
2 counts forward and the write track number TRKWT
Changed to Member TRKRD (Steps 215 to 217)
Thereafter, the processing returns to the original processing (FIG. 14 or 23). [0049]9. Key-on event processing In step 206 of FIG. 14 or FIG.
If the identification mark 9XH is stored in the LG, the step
Execute key-on event processing 220 (FIG. 16).
You. Referring to FIG. 16, first, the read pointer RPT
3-byte key from the sequencer memory 18
-Read data and read 1 byte at a time Data buffer R
D1 to RD3 and store the pointer RPT in the next read address.
3 counts up to the address (steps 221 and 22)
2). Next, the read key data RD1 to RD3
 Based on the write pointer WPT.
And the pointer WPT to the next write address
After moving forward, the track mode of the current read track
Determine whether TBL (TRKRD, 5) is in stop mode (step
223-225). No more processing in stop mode
Is unnecessary, so the original processing (14th or 2nd
Return to FIG. 3). In the case of reproduction or recording, the input / output
Read data RD1 to RD3 should be sent from the status register
Output terminal TBL (TRKRD, 3) and output MIDI channel
Read Tnel TBL (TRKRD, 4) and register each
OUTTRM and OUTCH are stored in step 22
Enter the key data RD1 to RD3 read in 1.
Output MIDI channel only for MIDI channel XH
Create and output key-on data replaced with OUTCH
The data is stored in the data buffers OUT1 to OUT3 and the output data
OUT1 to OUT3 are sent to the output terminal OUTTRM
(Steps 226 to 228). Output side key buffer OKCB
Any of the free UF (TRKRD, 0 to 31)
Key code RD2 (= OUT2) was written to
229) After that, return to the original process (Fig. 14 or 23).
Return. [0052]10. Key-off event processing In step 206 of FIG. 14 or FIG.
If the identification mark 8XH is stored in the LG, the step
Execute key-off event processing at 240 (FIG. 17)
You. Referring to FIG. 17, steps 241 to 248 are performed.
That the data to be processed is a key-off event
Exactly the same as steps 221 to 228 in FIG.
Is performed. In step 249,
Output side key code buffer OKCBUF (TRKRD, 0 to 3
Key code RD2 (= OUT2) of 1) is written
Is cleared and the original processing (14th or
Return to FIG. 23). [0053]11. Time interval data processing In step 206 of FIG. 14 or FIG.
If the identification mark stored in the LG is F4H,
The time interval data processing of FIG.
You. Referring to FIG. 18, based on read pointer RPT,
Read the 3-byte time interval data and
Are stored in the read data buffers RD1 to RD3,
The RPT is advanced by 3 counts to the next read address and read.
The time intervals RD2 and RD3 taken are stored in the reproduction timer register P.
Set to LYTMH, PLYTML (Fig. 5)
Time intervals RD2, R which are 2-byte data of 7 bits each
Converts D3 to 14-bit data and registers remaining time
Stored in LNEST (steps 261 to 264)
Thereafter, the processing returns to the original processing (FIG. 14 or 23). [0054]12. End mark processing 14 or 23.
If the identified mark is F2H, the process proceeds to step 2.
06 and the end mark processing of step 270 (18th
(Figure). This end mark is 1 byte of data
It is. With reference to FIG.
The pointer RPT is sent one count to the next read address,
In step 272, the performance mode is playback (JOB = 1).
Is determined. If it is playback, stop the performance mode (J
OB = 0), and enter based on the write pointer WPT.
Write the mark F2H and write the pointer WPT to the next
One count is advanced to the address (steps 273 to 27)
5) Then, the processing returns to the original processing (FIG. 14 or 23). At step 272, the performance mode is reproduced.
If not, it is a record. In this case, step 276 is repeated.
Set 1 to the raw interrupt mask register PIRQMSK
Prohibit reading of playback interrupt, ie, sequence performance data
After that, the process returns to the original processing (FIG. 14 or 23). Playing
When the mode is recording, only playback is prohibited and recording is stopped.
To continue until switch 46 (FIG. 2) is turned on
It is. [0056]13. STOP switch on processing Referring to FIG. 20, in step 171 a stop switch is set.
It is determined whether or not 46 (FIG. 2) is turned on. If
If not, return to the main process (Fig. 8)
You. On the other hand, if it is on, the walk key of step 300
An off process (FIG. 21) is executed. [0057]14. Walk-off processing This walk-off process is performed in playback or recording mode.
Playback sound is being generated when the stop switch is turned on.
Key-off processing is performed for the key code. Specifically
Are provided on each of the 64 tracks.
A total of 64 x 32 = 2048 output side keyboard covers
Scan the file and search for the one that contains the key code.
Then, key-off processing is performed for the key code. Ma
Also, for tracks with a track mode of 0, the input sound is also
Since the playback sound is not pronounced, there may be a key code that is sounding.
Absent. Therefore, in step 302, the track mode
0 track is detected, and scanning for that track is performed.
Processing time is shortened by skipping. Referring to FIG. 21, at step 301, the
Step 0 is set to the control variable i for specifying the rack.
No. 02 Track mode TBL of track i
Check (i, 5). Other than stop, ie play or record
If it is a record, control variables for buffer specification in step 303
j is set to 0, and at step 304 the output side key code
The key code is stored in the buffer OKCBUF (i, j).
It is determined whether or not it has been performed. The key code is stored
Then, at step 305, the output terminal TBL of the track i
(I, 3) and the output MIDI channel TBL (i, 3).
4) to read the registers OUTTRM and
OUTCH, and in step 306 output MIDI channel
Channel is OUTCH and key code is OKCBUF
Create key-off data (i, j) and output data
The data is stored in the buffers OUT1 to OUT3. In addition,
Clear buffer OKCBUF (i, j) in step 307
Then, at step 308, the key-off data OUT1 to OUT0
After sending UT3 to the output terminal OUTTRM,
In step 309, the control variable j is incremented.
0 means that all of the output side key buffer of the track
Then, it is determined whether the inspection is completed. Not finished
If so, return to step 304 and proceed to the next key of the track.
Check the code buffer. On the other hand, if it is finished
In step 311, the control variable i is incremented, and
Whether search of all 64 tracks is completed in step 312
Determine whether or not. If not, go to step 302
Return and repeat keycode search for next track. on the other hand
If the writing has been completed, the key-off writing process of step 320 (the
22), and then STOP switch-on processing
(FIG. 20). [0059]15. Key-off write processing This key-off write processing is stopped in the recording mode.
Switch 46 (FIG. 2) is turned on,
Only key-on data has been written to key 18 and key-off has not yet been performed.
If no data has been written, i.e.
If there is a key in the key, key-off data of the key being pressed
Is created and written in the memory 18. Specifically
Is a total of 2048 input sides with 32 tracks of 64 tracks each
Scans the key code buffer and stores the key code
Search for what is left as it is and key off for that key code
Data is created and written to the memory 18. Referring to FIG. 22, in step 321
Check the performance mode JOB. This key-off writing process
Because it is necessary only in the recording mode (JOB = 2)
If not in recording mode,
The process returns to the walk-off process (FIG. 21). Recording mode
If it is, the control variable i is set to 0 in step 322,
At step 323, the track mode TBL of the track i
It is determined whether or not (i, 5) is in the recording mode. Tiger
If the lock mode is not the record mode,
Skip the processing of steps 324 to 331
Then, the process proceeds to step 332. Track mode is recording mode
If it is not, set the control variable j to 0 in step 324
Then, at step 325, the input side key buffer IKC
Whether the CODE is stored in BUF (i, j)
Is determined. If no key code is stored,
Steps 326 to 329 are skipped and step 330 is executed.
Proceed to. If the key code is stored, step 326 is executed.
To create key-off data for that key code and read it
Are stored in the data buffers RD1 to RD3.
Clear buffer IKCBUF (i, j) and step
At 328, the sequencer memo is written based on the write pointer WPT.
Write key-off data RD1 to RD3 to the
At step 329, the write pointer WPT is set to the next write address.
After proceeding three counts up to step 330, the control variable j
Is incremented, and at step 331, all of track i
It is determined whether the inspection of the buffer of the copy has been completed. Unprocessed
If the processing buffer remains, return to step 325 and
Code for the buffer IKCBUF (i, j)
Inspect for presence. On the other hand, 32
If inspection has been completed for all buffers,
In step 332, the control variable i is incremented.
At 33, the key code is pressed for all 64 tracks.
Determines whether the search and key-off data writing has been completed.
Set. If not finished, return to step 323 and go up
Repeat the above processing, and if it is completed, the original walkthrough
Returning to the processing (FIG. 21), the STOP on processing is further performed.
(FIG. 20). [0061]16. STOP ON processing (continued) Referring to FIG. 20, in step 173, the performance mode is set.
The register JOB is set to 0, and the playback
Check whether the built-in mask register PIRQMSK is 1
Check. If it is 1, seek before turning on the stop switch.
Playback of performance data and transfer to new performance data area
Has been completed (see step 276 in FIG. 19). At 0
If there is any unposted data, step 175
-The remaining data in 181 is the end of the new performance data
To be added. That is, in step 175, the write track
Compare TRKWT and read track TRKRD,
The sequencer based on the write pointer WPT
Track change data to read track in memory 18
(2 bytes) is written (steps 176 to 177),
Pointer WPT is advanced by 2 counts to the next write address
After (step 178), the process proceeds to step 179. on the other hand,
The write track TRKWT and the read track TRKRD
If they match, step 175 directly proceeds to step 179
Proceed to. Thereafter, in step 179, the sequencer
Address specified by the read pointer RPT in the memory 18
Until F2H (end mark) is read from the
Of the old performance data area addressed by the read pointer RPT
Writes new performance data addressed by the write pointer WPT.
To the data area (steps 180 to 181). En
If a mark is detected, the process proceeds to step 182, where the write port
End to sequencer memory 18 based on inter WPT
The mark F2H is written, and the sequence is executed at step 183.
Register the last address WPT of the performance data in the register SONGEND.
Then, the process returns to the main processing (FIG. 8). [0064]17. Play timer interrupt processing In the recording device shown in FIG.
Hour, time interval data read from the sequencer memory 18
The decrement counter 76 of the tempo generator 26
(FIG. 5) is preset (step 263). Ten
The port generator 26 counts down the clock φ by the counter 76.
When the count value output reaches OH, the reproduction interrupt signal P
Generate LAYIRQ. The CPU 10 receives the reproduction interrupt signal.
No. PLAYIRQ based on the playback interrupt processing of step 400
(FIG. 23). With this, this recording device
In the case of being recorded in the sequencer memory 18,
Event data is displayed at intervals (event timing).
Read. That is, referring to FIG.
At 401, the performance mode JOB is determined. Of performance data
Since reading is not performed when stopped, the performance mode is stopped (J
If OB = 0), the original processing is to cancel the interrupt as it is
Return to. On the other hand, the performance mode is not stopped (JOB ≠
0), the write time register RECC in step 402
Add (LNEST-LNSAM) to NT. here
In LNRES, when recording (JOB = 2), the previous playback
Key event data is inserted between the interruption and the current playback interruption.
Time, if read, the time read from the previous playback interrupt
The remaining time after key event data input for the interval LEN
LNSAM indicates the progress after inputting this key event data.
Time. Subsequently, the register LNSAM is cleared.
(Step 403), the remaining time LNRES is set to the time interval
After setting to the register LEN (step 404),
To the sequencer memory 18 based on the write pointer WPT
Mark F4H, upper 7 bits of register LEN and
3 bytes consisting of the lower 7 bits of the register LEN
Write the interval data (step 405), and
Advance the counter WPT by 3 counts to the next write address.
Step 406). In step 407, the write track number T
RKWT is compared with the read track number TRKRD,
If it is, cut the writing track in the same way as the reading track.
To change, the track number TR is stored in the register TRKWT.
Stores KRD, identification mark FFH and new track number
2-byte track change data consisting of TRKWT
And write the pointer WPT to the next write address 2
The operation proceeds (steps 408 to 410). Step 4
07, the write track and the read track are the same.
If so, the processing of steps 408 to 410 is skipped. Subsequently, the event data at the current timing
-Data and time interval data or data until the next event
The read mark is read.
Exactly the same as in the start process (Fig. 14)
Here, the same step numbers are assigned and the description is omitted. [0069]18. Recording timer interrupt processing In the recording device shown in FIG.
The increment counter 72 (FIG. 5) changes the clock φ to 25.
Recording interrupt signal RECIR generated every time 6 counts
Execute the following interrupt processing (step 500) based on Q
I do. Referring to FIG. 24, in step 501, the performance mode is set.
-Check the JOB. Recording timer interrupt is the recording mode
Since the processing is necessary only in the mode, the performance mode
If not (JOB = 2), the interrupt is immediately released. one
On the other hand, if it is a record, the register LNSA
Stores the elapsed time since the last key event data input in M
I do. That is, this register LNSAM has a counter
Each time 72 (Fig. 5) overflows, the above key is
The elapsed time after the input of the vent data is stored. Steps
RECC of (100H-RECCNT) in 502
In NT, after the key event data is input, the counter 72
This is the term for calculating the time until the overflow.
After the calculation, it is cleared (step 503). In step 504, the elapsed time LNSAM is calculated
It is determined whether 3FFFFH has been exceeded. This recording device
Means that the time interval counter (76 in FIG. 5) is 14
Time interval is the maximum value of 14 bits.
If it exceeds 3FFFH, it must be
This is for recording the data by dividing it into several time interval data. did
Therefore, if the elapsed time LNSAM is 3FFFH or less,
Release the interrupt as it is. On the other hand, if you exceed 3FFFH,
3FF each from LNSAM and LNRES
FH is subtracted (steps 505 and 506), and the pointer W
3-byte data indicating time interval 3FFFFH based on PT
Write data F4H, 7FH, 7FH (step 50).
7), count pointer WPT to next write address 3
After proceeding, the process returns to the original process. [0071]19. Input interrupt processing Any of the input devices 20 (FIG. 3) of the recording device of FIG.
Key event data is input to the input terminals Ti1 to Ti8
Then, this data is stored in the input data registers INBUF0 to INBUF0.
Stored in INBUF7 and from OR gate 62
An interrupt signal INPUT IRQ is generated. CPU 10
Of step 600 based on the interrupt signal INPUT IRQ of
Execute input interrupt processing. Referring to FIG. 25, first, the input interrupt number
Terminal number n input from register INIRQNO
Is read and stored in the input terminal register INTRM.
Step 601), 3 bytes from the register INBUFn
The key event data is read and the input buffer IN1 ~
Each byte is stored in IN3 (step 602). Sa
In addition, the MIDI channel included in the identification mark IN1
To register INCH, key code IN2 and touch
Store information IN3 in registers KC and TCH, respectively
(Steps 603 and 604), the input / output status table
(FIG. 6). 0-63 recording tracks
Input terminal TBL (i, 1) and MIDI channel
Flannel TBL (i, 2) are respectively INTRM and IN
CH and the track mode TBL (i, 5) is
Search for the recording mode (= 2) (step 6)
05-608). Here, No. From track 0
To find a track that meets the above criteria,
The process proceeds from step 606 to step 611. At step 611, the detected track number
The number i is stored in the register TRKIN. Then,
Rack output terminal TBL (TRKIN, 3) and output MID
Read the I channel TBL (TRKIN, 4)
OUTTRM and OUTCH (step 61)
2), MIDI channels of input data IN1 to IN3
The output data OUT1 to OUTCH obtained by replacing the data with OUTCH
OUT3 is created (step 613), and the output data
Is sent to the output terminal OUTRM, and then the step 620 is executed.
Executes the input-side key buffer processing (FIG. 26).
You. [0074]20. Input side key code processing Referring to FIG. 26, in step 621, the input data is
Either key-on or key-off event data
Is determined. If it is a key-on event, step 62
2 is empty among 32 buffers of track TRKIN
The key code KC (= IN2)
Thereafter, the processing returns to the original processing (step 625 in FIG. 25). Ki
-If it is an off event, track TR in step 623
Same as key code KC among 32 buffers of KIN
After clearing the stored data,
It returns to the process (step 625 in FIG. 25).21. Input interrupt processing (continued) Referring to FIG. 25, in step 625, performance mode J
Check OB. Writing of input data is recorded (JOB =
2) It must be in recording mode because it is performed only at the time.
In this case, the interrupt is immediately released and the process returns to the original processing. Meanwhile,
If it is in the recording mode, proceed to step 631 to proceed to the previous key event.
The data write time RECCNT is set in the register OLDRC.
After writing to NT, at step 632, write counter
The current time indicated by the timer RECTIMER (Fig. 5) is recorded.
Write to the register RECCNT. Next, LNSAM +
(RECCNT-OLDRCNT) calculated and time interval
It is stored in the register LEN (step 633), and LNRE
ST-LEN is calculated and the remaining time register LNRES is calculated.
(Step 634), and clears the register LNSAM.
(Step 635). Further, the write pointer W
3 bytes of time in the sequencer memory 18 based on PT
The interval data is written (step 636), and the pointer W
PT is advanced by 3 counts to the next data write address (scan
Step 637) After that, the write track number T of the input data
RKIN and current write track number TRKWT
Compare. The write track TRKIN for input data is
If it is different from the current write track TRKWT, the write track
Change TRKWT to TRKIN, and write pointer W
2-byte track chain in memory 18 based on PT
Write data (FFH and TRKWT)
Advances the counter WPT by 2 counts to the next write address
(Steps 639 to 641). On the other hand, writing input data
The track TRKIN and the current writing track TRKWT
Are the same, the processing of steps 639 to 641 is skipped.
Step. Then, based on the write pointer WPT,
Write 3-byte input data IN1 to IN3 to 18
The write pointer WPT to the next write address
After proceeding the count (steps 642 and 643), release the interrupt.
Then, the processing returns to the original processing. [0076]22. Explanation of one operation example FIG. 27 shows an operation example of the recording device of FIG. here
Then key event data K₁ , K_Two , K_Three And K_Four Or
Playback data (former sequence data) shown in FIG.
Ni key event data K_A And K_B Input data consisting of
(B) New sequence data obtained by over-recording data
The operation when recording data is based on changes in the data in each register.
Will be described. * Recording start and key event data K₁
Processing When the recording switch 44 is turned on, the processing is turned on.
Through the song start process (FIG. 13).
), And in step 203, the write time register REC
Store the value 0 of the write timer RECTIMER in CNT,
Clear elapsed time register LNSAM in step 204
I do. Next, key-on or key-off event processing
(Fig. 16 or 17), and key event data K
₁ From the old sequence data area (Step 2)
21) and writing to the new sequence data area (step
223). Return to the song start process
This time, the process proceeds to the time interval data processing (FIG. 18).
Raw timer PLAYTIMER and remaining time register L
Set NRES to 8 which is the time interval data.
(Steps 263 and 264). Dozens of steps above
Processing is essentially from a macro standpoint as a performance sound
It is executed in a short time so as to be regarded as simultaneous. The following keys
The processing of event data is executed instantly when viewed from a macro perspective.
It is. * Key event data K_A Processing Key event data K_A Is entered, input interrupt processing
(Fig. 25) to read data KH (step
602), and then the write time register RECCNT is old.
Data 0 is saved to old write time register OLDRCNT
And then update to the new RECTIMER value (write time) 5.
New (steps 631, 632). More key events
To K₁ To K_A Time interval LEN = LNSAM +
(RECCNT-OLDRCNT) = 0 + (5-0) =
5 and K_A To K_Two Remaining time until LNEST = old
Calculate LNEST-LEN = 8-5 = 3 and calculate elapsed time
LNSAM cleared (steps 633-635)
After that, time interval data LEN and input key event data
Write KH to the new sequence data area (step
636, 642). * Key event data K_Two Processing Playback timer PLAYTIMER drops preset value 8
When the counted value reaches 0, the reproduction interruption processing (second
3). Then, the write time RECCNT is changed to the old one.
RECCNT + (LNEST-LNSAM = 5 + (3
−0) = 8, update LNSAM, clear
K as the interval LEN_A To K_Two Remaining time LNR until
Set EST = 3 and set new time interval LEN = 3
After writing to the area (steps 402-405),
-Proceed to event processing (Fig. 16 or 17)
Vent data K_Two Read and write (step 2)
21, 223). Further, return to step 205 in FIG.
This time, the process proceeds to the time interval data processing (FIG. 18).
Raw timer PLAYTIMER and remaining time register L
Set 5 which is the time interval data to NEST
(Steps 263 and 264). * Key event data K_Three Processing This data K_Three Is the data K_Two Line in the same way as
Be done. That is, the write time RECCNT is changed to the old REC.
CNT + (LNEST-LNSAM = 8 + (5-0)
= 13, clear LNSAM, and more time
K as other LEN_Two To K_Three Remaining time LNRES until
Set T = 5 and set time interval LEN = 5 to new data
(Steps 402 to 405)
Proceed to venting (Fig. 16 or 17)
Data K_Three To read and write (step 22)
1,223). Further, returning to step 205 in FIG.
This time, the process proceeds to the time interval data processing (FIG. 18).
Raw timer PLAYTIMER and remaining time register L
NRES is set to 250, which is the time interval data.
(Steps 263 and 264). * Record interruption processing The recording timer RECTIMER is a self-propelled 8-bit counter.
This counter counts up to 255 and
When the count value becomes 0, the recording timer interrupt (Fig. 24) is executed.
Run. Here, the elapsed time LNSAM is replaced by the old LNSAM
+ (100H-old RECCNT) = 0 + (256-1
3) Update to = 243 and clear RECCNT. * Key event data K_B Processing This data K_B Processing is K_A Is executed in the same way as sand
That is, data K_B Is read (step 602) and written
The old data 0 of the time register RECCNT is changed to the old write time
Save to register OLDRCCNT and register RECCN
Set a new RECTIMER value (write time) 1 to T
(Steps 631, 632), and event K_Three To K_B
Time interval LEN = LNSAM + (RECCNT−
(OLDRCNT) = 243 + (1-0) = 244 and
K_B To K_Four Remaining time until LNEST = old LNRE
ST-LEN = 250-244 = 6 is calculated and the elapsed time
LNSAM cleared (steps 633-635)
After that, the time interval data LEN = 244 and the input key
Data K_B To the new sequence data area
(Steps 636, 642). * Key event data K_Four Processing This data K_Four Is the data K_Three Line in the same way as
Be done. That is, the write time RECCNT is changed to the old REC.
CNT + (LNEST-LNSAM = 1 + (6-0)
Update to = 7, clear LNSAM, and time interval
K as LEN_B To K_Four Remaining time up to LNEST
= 6, set the time interval LEN = 6 to the new data area
(Steps 402 to 405)
Process (Fig. 16 or 17) and key event
Data K_Four (Step 221)
223). Further, returning to step 205 in FIG.
This time, the process proceeds to the time interval data processing (FIG. 18),
Ima PLAYTIMER and remaining time register LNR
Set the time interval data of 10 to EST
(Steps 263, 264). As described above, in this embodiment, the reproduction
When recording performance sounds, the timing information
Because calculations are based on data,
When using the recording timer value at the time of recording as the
Such multiplexing does not increase the playing time. [0085] The present invention is limited to the above embodiment.
It is not specified, and applied with various modifications as follows
can do. For example, 1. In the above, it is stored in the sequencer memory 18
The case where the sequence data is one song has been described,
It may be several songs. 2. I used keypress information as sequence data,
Other event information, such as a change, can also be used. 3. I / O key buffer IKCBUF, OKC
BUF is prepared for each track, but it is prepared for each terminal or channel.
You may prepare for every channel etc. 4. The clock may be supplied externally. 5. You can have any number of tracks. 6. In the above embodiment, the display is omitted for simplification.
However, if necessary, a means for displaying necessary information should be provided.
Is also good. 7. Edit, delete, copy, modify, etc.
It is easy to add a cut function.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a hardware configuration diagram of a multiplex recording apparatus according to an embodiment of the present invention. FIG. 2 is an external view of an operation panel. FIG. 3 is a circuit diagram showing the input device in more detail. FIG. 4 is a circuit diagram showing more details of the output device. FIG. 5 is a circuit diagram showing more details of a tempo generator. FIG. 6 is an explanatory diagram of input / output state setting. FIG. 7 is a sequence data format diagram. FIG. 8 is a flowchart of a main process. FIG. 9 is a flowchart of an INC / DEC switch process.
It is. FIG. 10 is a flowchart of an UP / DOWN switch process. FIG. 11 is a flowchart of a LEFT / RIGHT switch process. FIG. 12 is a flowchart of a PLAY switch on process.
It is. FIG. 13 is a flowchart of a REC switch on process. FIG. 14 is a flowchart of a song start process. FIG. 15 is a flowchart of a track change process. FIG. 16 is a flowchart of key-on event processing. FIG. 17 is a flowchart of a key-off event process. FIG. 18 is a flowchart of time interval data processing. FIG. 19 is a flowchart of an end mark process. FIG. 20 is a flowchart of a STOP switch on process.
It is. FIG. 21 is a flowchart of an walk-off process. FIG. 22 is a flowchart of a key-off writing process. FIG. 23 is a flowchart of a reproduction timer interrupt process. FIG. 24 is a flowchart of a recording timer interrupt process. FIG. 25 is a flowchart of an input interrupt process. FIG. 26 is a flowchart of the input side key code processing. FIG. 27 is an explanatory diagram showing an operation example of the apparatus in FIG. 1; [Description of References] 10: CPU, 12: bus line, 14: program memory,
16: register group, 18: sequencer memory, 20: input device, 22: output device, 24: switch group, 26: tempo generator, 42: playback switch, 44: record switch, 46: stop switch, IKCBUF: Input side key code buffer, O
KCBUF: Output side key code buffer, TBL (csx
, Csy): I / O status setting register.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) G10H 1/00 101-102

Claims (1)

(57) [Claims] A performance recording / reproducing apparatus for recording performance information input from outside and outputting the recorded performance information to the outside, comprising: an input terminal for inputting performance information of a plurality of parts from outside; and a performance information input from the input terminal. Recording means for recording the performance information of the plurality of parts, a plurality of output terminals each for outputting the performance information, and an output terminal for outputting the input performance information to each part of the plurality of parts First setting means for setting each of the plurality of parts; second setting means for setting an output terminal for outputting recorded performance information for each of the plurality of parts; and performance information recorded in the recording means. Playback instructing means for instructing playback of the music piece, recording instructing means for instructing recording of performance information inputted from the input terminal, and playback instructing by the playback instructing means. By the time being,
The performance information recorded in the recording means is output from an output terminal based on the setting by the second setting means. When recording is instructed by the recording instruction means, the performance information inputted from the input terminal is outputted. And output means for outputting the performance information recorded in the recording means from an output terminal based on the setting in the second setting means, while outputting the output information from the output terminal based on the setting in the first setting means. A performance recording / reproducing device comprising: 2. It has at least two modes: a stop mode for inhibiting recording and playback of performance information and a playback mode for enabling playback of performance information. In addition to the input group and the output group, the setting means includes: One mode can be set for each part, and the output means outputs an output terminal for a part set to the stop mode in an output group set by the setting means when reproduction is instructed. 2. The performance recording / reproducing apparatus according to claim 1, wherein at least a part set in a reproduction mode is output from an output terminal without being output from the reproduction mode. 3. There are at least two modes: a stop mode in which neither performance information is recorded nor reproduced, and a recording mode in which performance information can be recorded. The setting means includes one of the modes in addition to the input group and the output group. One mode can be set for each part. When recording is instructed, the output means stops the performance information input from the input terminal and the performance information recorded in the recording means. 2. The performance recording / reproducing apparatus according to claim 1, wherein a part set in a recording mode is output from an output terminal without outputting a part set in a mode from an output terminal. 4. A performance recording / reproducing apparatus for recording performance information input from outside and outputting the recorded performance information to the outside, comprising: a plurality of input terminals each capable of inputting performance information of a plurality of parts as one input group; Recording means for recording input performance information, capable of recording performance information of a plurality of parts; a plurality of output terminals each capable of outputting the performance information of the plurality of parts as one output group; Setting means for setting an output group for outputting performance information input from the input means and performance information recorded in the recording means as a group for each output terminal,
An output group that can be set independently of the input group; reproduction instruction means for instructing reproduction of recorded performance information; recording instruction means for instructing recording of input performance information; When reproduction is instructed by the means, the performance information recorded in the recording means is output from the output terminal as an output group composed of a plurality of parts based on the setting by the setting means, and the recording instruction is output. When recording is instructed by the means, the performance information input from the input terminal and the performance information recorded in the recording means are composed of a plurality of parts from the output terminal based on the setting by the setting means. Output means for outputting as an output group to be performed. 5. It has at least two modes: a stop mode for inhibiting recording and playback of performance information and a playback mode for enabling playback of performance information. In addition to the input group and the output group, the setting means includes: One mode can be set for each part, and the output means outputs an output terminal for a part set to the stop mode in an output group set by the setting means when reproduction is instructed. 5. The performance recording / reproducing apparatus according to claim 4, wherein at least a part set in a reproduction mode is output from an output terminal without being output from the output terminal. 6. There are at least two modes: a stop mode in which neither performance information is recorded nor reproduced, and a recording mode in which performance information can be recorded. The setting means includes one of the modes in addition to the input group and the output group. One mode can be set for each part. When recording is instructed, the output means stops the performance information input from the input terminal and the performance information recorded in the recording means. 5. The performance recording / reproducing apparatus according to claim 4, wherein the part set in the mode is not output from the output terminal, but at least the part set in the recording mode is output from the output terminal.