JP2551517Y2 - Electronic musical instrument - Google Patents

Description

[Detailed description of the invention] [Technical field of the invention] The present invention relates to an electronic musical instrument capable of storing performance contents.
It is about a vessel. [Prior art and its problems] Conventionally, such an electronic musical instrument stores performance contents.
Accompaniment played on the keyboard after setting the mode
In addition to remembering the contents of
Intro pattern information indicating the performance and the end of the song
Also stores ending pattern information indicating the content of the performance
There is something we can do. Something like this
Toro patterns and ending patterns
This specific performance putter is not stored in Mori.
Is fixedly stored in advance in a rhythm memory, etc.
The performance memory that stores the playing content contains intro and end
Command is stored in memory during playback.
When the command is read, this command is
Read and play specific performance patterns according to the command
It is designed to perform. In this case, the operation of inputting the intro performance information
After setting the mode, it must be done immediately.
In that case, the beginning of the performance will be treated as a rest
I can't start playing calmly
Was. Also, immediately after setting the memory mode, the intro performance information
To enter the performance after inputting the information,
What should I do at the tempo of Rai?
There was also a problem of stiffness. [Purpose of consideration] This invention was made in view of the above-mentioned circumstances.
The purpose of this is to drop the input of intro performance information.
You can arrive and perform at the same time
Accurately grasp and easily set the tempo of the performance
It is to provide an electronic musical instrument that can be grasped. [Points of the invention] This invention aims to achieve the above-mentioned purpose by introducing an intro
Command storage instructing means is recorded by mode designating means
Mode is specified, and no tempo notification is
Is being executed, the intro command input
When the intro command is supplied, the intro
Remember the command. The storage control means is in the recording mode by the mode designating means.
Is specified by the performance information input means.
Information, the performance information is stored in the storage means.
And enter the intro immediately before the performance information is input.
If the command is stored in the storage means, an intro
The time from the end of the performance to the time when the performance information is input
Length, and if performance information is entered,
When performance information is input just before performance information is input
Or until the current performance information is input from the end of the idle performance.
Memorize the length of time. In the performance information reading means, the mode designating means makes the reproduction mode.
Performance is stored in the storage means when
Read information, intro command or time length in storage order
put out. The control means specifies that the playback mode is specified by the mode designating means.
When the performance information reading means
When the command is read, the intro command is
When the performance information is read out, the performance
Playing information to the playing means,
If the command is read, after the intro
Or after the performance information is read out,
Measure the time corresponding to the length of time
The point is that the next storage information is read from the storage unit later.
I do. [Configuration of Embodiment] An embodiment of the present invention will be described below in detail with reference to the drawings.
You. <Overall Circuit Configuration> FIG. 1 shows the overall circuit of an electronic musical instrument.
The switch unit 1 has a recording key
2, Break key 3, Start / Stop key 4, Ende
Key 5 and introfil-in key 6
I have. The recording key 2 is used for recording (storing) the performance contents.
The play key 3 is a key for setting a mode.
When operated after record key 2, it records actual performance
Specify the start timing of the
Key to play the performed performance (automatic performance).
You. At the start of recording this performance content,
Is constant musically for the tempo notification to inform
It is performed for one bar, which is the time, and after that,
I will go. Start / stop key 4
Key to start and stop music playing
And the ending key 5 indicates the end of the performance.
This key is used to enter ending performance information.
When the fill-in key 6 is operated during the blank hit performance,
Enter intro performance information indicating the beginning of the performance
The intro performance starts after the end of the batting, and the recording performance after the blank hit
When operated during operation, a frame to change the performance
Key to enter fill-in performance information. The operation signals of the keys 2 to 6 of the switch unit 1 are sent to the CPU 7.
Then, processing corresponding to each key is performed. <Structure of the Performance Memory 9> In the recording (memory) mode of the performance contents, the keyboard 8
Performance information corresponding to the performance content input from
Therefore, the data is sequentially written to the performance memory 9. This performance
The information includes pitch data and change length data as shown in FIG.
Pitch data is octave code OC and scale
Shows the distinction between rule code SC and key ON (1) OFF (0)
Change on-off code, and the change length data is key-on
From key to key off or from key off to key on
This is data indicating the length. This performance memory 9 stores the a
When the introfil-in key 6 is operated, the CPU 7
The intro command (02) is written. In this case,
Before the intro command, blank hit as shown in Fig. 3.
The length of time from the start of the performance to the operation of the fill-in key 6 changes.
After the intro command.
From the start of the intro performance after the blank hit
Is written as change data. In addition,
Ending key 5 is operated at the end of sound performance
And an ending command to the performance memory 9 by the CPU 7.
(01) and memory end command (OF) are sequentially written
After that, the recording (memory) mode is automatically released.
You. In this case, before the ending command,
Key-off of the last note before the ending performance as shown in
The length of time from the beginning to the end of the performance
After the ending command,
The length of time from the beginning to the end of the ending performance varies
Written as data. In addition, the above intro filter
When the key 6 is operated, the CPU 7
(03) is written. In this case, fill in coma
Before playing the sound, as shown in Fig. 3,
Time from last note key-off to start of fill-in performance
The length is written as change length data, and fill-in command
After the play, the next key-on from the start of this fill-in performance
The time length up to is written as change length data. Write a memory end command to the performance memory 9
Performance information is written to the point where only room remains
The performance information is stored up to the limit of the storage capacity of the performance memory 9.
If it is determined that the force has been applied,
The memory end command is written and the recording (memory) mode is
Is forcibly released. The performance information written in the performance memory 9 is processed by the CPU 7.
Is read out and sent to the tone generator 10.
Created and output sound from speaker 12 via amplifier 11
Will be done. In this case, intro, fill-in, ende
When the playing command is read from the performance memory 9,
Intro, fill-in, and ending playing tools
Physical performance pattern data from rhythm pattern ROM13
The data is read out and sent to the tone generator 10. This rhythm pattern ROM 13 contains the above-mentioned
Pattern data of various rhythms such as discs and waltz are recorded.
This pattern data is read by CPU7.
The sound is output to the rhythm sound generator 14, and the idle sound signal and
A seed rhythm sound signal is created, and the speed is
Sound is output from the camera 12. <Structure of the working register 15>
There are various registers required to perform performances etc.
A representative one is shown in FIG. Of these, cash registers
Star MODE stores the current setting mode and performance status.
In the 9th bit, the introfil
The in-key 6 is operated and fill-in performance is being performed.
In the 8th bit, only the recording key 2 was operated.
Indicates that recording standby is in progress.
Indicates that the play key 3 is operated after recording
The sixth bit indicates that the play key 3 was operated alone.
The fifth bit indicates that the sound is live, and
Key 6 is operated to start the next bar
Indicates that the intro performance will begin
The bit indicates that a blank performance is in progress at the start of the recording performance.
The third bit indicates that the rhythm is being played.
And the second bit indicates that the intro is playing,
The first bit indicates that the ending performance is being performed. Les
Register MAD writes performance information to the performance memory 9
Writing or reading of the performance memory 9 when reading or reading
The register LENG contains a performance memo.
Time cow of the change length data of the performance information stored in the memory 9
The register PCNT is set according to the performance tempo.
Counts “48” for one measure and reaches “48”
Then, it automatically returns to "00". [Operation of Embodiment] Next, the operation of this embodiment will be described. <Intro command, fill-in command writing process> To write an intro command, first turn on the power.
Turn on the recording key 2 and the play key 3, and set the recording performance mode.
After setting, press the intro fill-in key 6 during idle performance.
The CPU 7 can be turned on, and when the power is turned on,
The processing of the flow is started, and the performance menu is
Initialize memory 9 and working register 15
(Step A1), scanning of each key of the keyboard 8 to operate the keys
It is determined whether or not there has been a change (steps A2, A
3) Since the key operation has not been performed yet, proceed to step A4.
Scans each key of the switch unit 1 and changes to a scan key.
It is determined whether or not there has been any change (steps A4, A5). Now
Since the recording key 2 was turned on, the CPU 7
After performing the switch processing according to (Step A6),
And the automatic performance processing (steps A7 and A8). Next
The play key 3 and the introfill in key 6 are turned on
The switch processing is performed in the same manner. FIG. 5 is a flowchart of the switch process.
CPU 7 determines that recording key 2 is on (step B).
1) Invert the 8th bit of the register MODE and set "1"
To enter the recording standby mode (step B2). Then
When it is determined that the play key 3 is turned on in the next switch processing,
(Steps B1 and B3), CPU7 sets 8 bits of register MODE
When “1” is set and the mode in which the recording is on standby is determined (step
B4), reset the 8th bit of the register MODE
Set the 7th bit, 4th bit and 3rd bit
To set the recording (memory) mode and the blank hitting mode.
B5, B6), register MAD (address counter)
Reset (step B7). With this, one bar of empty performances
The performance starts. Next, the CPU 7 performs the introfil
6 is turned on (steps B1, B3, B15, B17, B1
8) The length of time from the start of the blank hit performance to the start of the intro performance
For setting the change length data indicating the time in the performance memory 9
Perform processing (step B19), and intro command (02)
Is also set in the performance memory 9 (step B20),
Set the 5th bit of the register MODE and start from the next measure
The mode for entering the performance (b) is set (step B21). In this way, the intro
Since you can enter commands,
Input can be done with plenty of time,
The tempo of the performance can be easily grasped by the performance in advance.
And this blank hit performance is a predetermined measure of one bar
Since it is performed for a certain period of time, the timing of the start of the performance after the empty hit
Can be accurately grasped. In this case, if the introf
When the input key 6 is turned on, the registration
The fourth bit of the star MODE is a step C9 in FIG.
Since it has been reset at C10, the CPU 7
After determining that, the change length from the start of the fill-in
Performs data memory processing (step B22), and
Set the fill-in command (03) in file 9 (step
B23), set MSB (most significant bit) of register MODE
To enter the fill-in performance (step B2
Four). This allows the fill-in performance to start immediately
You. Thus, one key, Introfil Inkey 6,
-For inputting intro commands during and after idle performance
Two functions by switching to fill-in performance information input
And the number of switches can be reduced.
You. <Intro performance, fill-in performance processing> When writing the intro information, the intro performance sound
Turn on the start / stop key 4 in advance to sound
You should keep it. Then, the CPU 7 executes the steps shown in FIG.
A6, that is, in the switch processing of FIG.
When it is determined that the stop key 4 is turned on (steps B1, B3,
B15), Invert the third bit of the register MODE and set "1"
The mode is set to a standing rhythm (step B16). Then, the CPU 7 proceeds to step A7 in FIG.
In the rhythm processing of FIG.
Read the rhythm pattern data (step C1),
Determines whether the third bit of register MODE is "1"
(Step C2). This third bit is used in step B16 above.
Since “1” is set, the CPU 7 proceeds to step C3.
The read pattern data indicates the sounding timing
If it is “1”, the rhythm sound is generated (step C)
3, C4). Next, the CPU 7 increments the register PCNT.
(Step C5), this increment is
It has been started from the beginning, and a blank performance has been performed for one bar.
The register PCNT becomes “0” and the beginning of the next measure
Will be reached. CPU 7 reaches the beginning of this measure.
(Step C6), the 4-bit register MODE
A judgment is made as to whether the eye is "1" (step C7).
The 4th bit is "1" because the idle performance has been performed.
Therefore, the process proceeds to step C8, where 5 bits of the register MODE are set.
It is determined whether or not the eye is "1" (step C8). This 5
The bit is the introfil-in key in step B21 above.
Since “1” is set in response to turning on 6, CPU 7
Go to step C9 to reset the register LENG,
Reset the 4th and 5th bits of the register MODE
Set the second bit to set the mode to intro (see
Step C9). This will actually start the intro performance.
Will be. When the intro performance is performed for one measure, the Regis
Data PCNT reaches "0" and reaches the beginning of the next new measure
In addition, the CPU 7 performs the processing of steps C1 to C5 in the rhythm processing.
Later, it is determined that the head of this measure has been reached (step C).
6), determine whether the second bit of register MODE is "1"
(Steps C7, C11, C16). Mode in the intro now
And the second bit is “1”, so the CPU 7
Proceed to C17 and reset the second bit of register MODE
Then, the mode in the intro is canceled (step C17).
This completes the intro performance. The introfill in key 6 is turned on during idle performance.
If not, in step B6, register MODE 4
Even if the bit is set, the processing in step B21 is performed.
And the fifth bit is not set, so the above step C8
After the 5th bit determination processing of
Proceed to step C10 to reset the 4th bit of register MODE.
To end the idle performance (step C1).
0). Therefore, the introfill in key 6 is operated during the blank hit
Otherwise, the intro performance will not be performed after the blow
You. In addition, the fill-in performance is started / stop key 4
Regardless of ON or OFF, register MOD in step B24 above
Measure by setting MSB (most significant bit) of E
Will be started in the middle of
It will end at the end of the measure. That is, Filui
The performance reaches the end of the bar and the next bar starts
When the PCNT becomes “0”, in the above rhythm processing,
After steps C1 to C5, the CPU 7 sets the register PCNT to “0”.
Is determined (step C6), and the register MODE
It is determined whether the MSB of “1” is “1” (steps C7, C11, C1
6, C18). The MSB is currently in fill-in mode
Since it is “1”, the CPU 7 proceeds to step C19,
Reset the MSB of MODE to change the mode during fill-in.
Release (step C19). With this, the fill-in performance
The performance will end. <Performance information writing process> The performance information of the melody or melody
In order to set to ri9, the above intro performance or empty hit performance
After that, operate each key of the keyboard 8 as usual.
I should go. Then, if there is a key-on, CPU7,
After steps A1 and A2, this key-on is determined (step
Steps A3, A9), this on key for the tone generator 10
Give the corresponding key code etc. and issue the sounding instruction (step
A10), It is determined whether the 7th bit of the register MODE is “1”.
Another is performed (step A11). Now recording while recording
7) The 7th bit is “1” because it is in the mode.
As a result, the CPU 7 proceeds to step A12, and the intro performance ends.
Shows the length of time from the end of the
Memory processing for setting change length data in the performance memory 9
(Step A12), and the same
Octave code (OC) and scale code
(SC) is written (step A13). And when the key with the key on is keyed off,
The CPU 7 performs this key-off after the processing of steps A1 and A2.
Determined (steps A3, A9) and silenced the tone generator 10.
Command (Step A14), 7 bits of register MODE
It is determined whether the eye is "1" (step A14). Now
7 bits because recording mode is in recording (memory) mode
The eye is “1”, which causes the CPU 7 to proceed to step A15.
Shows the length of time from the above key-on to this key-off.
Memory processing for setting change length data in the performance memory 9
(Step A16), and the performance memory 9
Octave code (OC) and scale code
(SC) is written (step A17). <Ending performance information writing process> After writing the performance information described above, the ending performance information
To record a sound, use the recording (memory) mode and the rhythm
Turn on ending key 5 while keeping
No. Then, the CPU 7 proceeds to step A6 in FIG.
In the switch processing shown in FIG.
(Steps B1, B3, B15, B17, B25)
It is determined whether the seventh bit of the star MODE is "1" (step
B26). Now recording mode, 7th bit is "1"
Is set, the CPU 7 proceeds to step B27,
Ending open from last key-off before ending
The change length data indicating the time length until the beginning is stored in the performance memory 9.
Memory processing (Step B27), and end
Command (0F) in the performance memory 9
(Step B28), LSB of register MODE (least significant bit)
To set the ending mode (Step B2
9). Thus, the ending performance information is stored in the performance memory 9.
Writing is performed, and the ending performance is in the middle of a measure.
Even immediately starts. Next, the ending performance is performed up to the beginning of the next bar.
And the register PCNT becomes "0" and the beginning of the next new measure
, The CPU 7 proceeds to step A7 in FIG.
In the rhythm processing of FIG. 6, the processing of steps C1 to C5
Later, it is determined that the head of this measure has been reached (step C).
6), determine whether the LSB of the register MODE is “1” (step
C7, C11). Now in ending mode L
Since SB is “1”, the CPU 7 proceeds to step C12,
It is determined whether the seventh bit of the register MODE is “1” (step
Step C12). Now in the recording (memory) mode, the 7th bit is "1"
Therefore, the CPU 7 proceeds to step C13 and performs the ending performance.
Plays variable length data indicating the length of time from the start to the end of the performance
A memory process for setting in the memory 9 is performed (step C1).
3) Set the memory end command in the performance memory 9
(Step C14), the 7th bit of register MODE and LSB
Reset and release the recording (memory) mode (step C1
Five). Thus, the writing of the ending performance information is completed.
And the recording (memory) mode is automatically released and
Switching to the mode for playing back the performance information
All you have to do is turn it on. <End when performance memory 9 receives more input than the storage capacity
Step A12 and A16 in FIG. 4 and Step B2 in FIG.
The memory processing of the change length data such as 2 is shown in the flowchart of FIG.
This is done on a chart basis. That is, CPU 7
Increment register MAD that acts as a counter by one
The write address of the performance memory 9 (step
E1), if the address value of this register MAD exceeds the upper limit
It is determined whether or not it has been completed (step E2). This upper limit is
Memory end command for the last address of the playing memory 9
Is set to the address value that has been subtracted for writing. If the performance information is not over this upper limit,
Because it can be written, CPU7 is counted by register LENG.
Key-on to key-off, key-off to key-on, etc.
Write the change length data to the performance memory 9 (step E
5), reset this register LENG (step E6),
Increment the write address of register MAD further
You. (Step E7). This was further incremented
Commands and codes are written to the write address
Become. The write address has exceeded the upper limit in step E2 above.
In this case, the change length data is not written and
Write the memory end command (step E3) and
Reset the 7th bit of the register MODE and LSB and record (record
The memory is released (step E4). In this way, the storage amount of the performance information is
When the limit is reached, the recording mode automatically
Switch to the mode to play the written performance information
In other words, only the play key 3 needs to be turned on.
You. <Playback performance processing> Playback performance of the performance information written as described above
To cancel the recording (memory) mode, press play key 3
Just turn it on. Cancel recording (memory) mode in this case
Is the ending performance information writing or performance menu described above.
When the memory 9 has more input than the storage capacity,
Since it is released, there is no need to release it, but usually play
This can be released by turning on the key 3. Assuming that you are in the recording (memory) mode,
To switch to play mode, the play key 3 may be turned on twice.
Then, the CPU 7 proceeds to step A6 in FIG.
In the switch processing of the above, it is determined whether the play key 3 is turned on.
(Steps B1 and B3), the 7th bit of register MODE
It is determined that the recording (memory) mode in which “1” is set is present.
(Steps B4 and B8), the memory end
Command (step B9), register mode 7
Reset recording and release recording (memory) mode
(Step B10). Next, in the same way as when the second pre-key 3 is turned on
It is determined whether the play key 3 is turned on (steps B1 and B3),
This time, "1" is set to any bit of the register MODE
(Steps B4, B8, B11)
Reset the register MAD as a
Step B12), Set the 6th bit of the register MODE
The playback mode is set (step B13). This allows you to play
The performance will begin. Turn play key 3 on again to end playback
do it. Then, the CPU 7 judges that the play key 3 is turned on.
Separately (steps B1 and B3), the 6th bit of register MODE
When it is determined that the playback mode is set to “1” (step
B4, B8, B11), reset the 6th bit of register MODE.
To release the playback mode (step B14). this
Causes the playback performance to stop. The playback performance process is based on the flowchart of FIG.
CPU7 sets "1" in the 6th bit of register MODE.
Determines that the player is in the stand-by playback mode (step D1), and
Change length set in register LENG in step D5 described below
Decrement the data (step D2), and
If the register LENG becomes "0" (step D3), the change length data
Of the performance memory 9
Read performance information from the address corresponding to the next read address
(Step D4), read the change length data from the next address
And set it to register LENG (step D5).
Intros and endos that are the performance information read out in Step D4
Depending on the command, code,
(Step D6). In this way, automatic performance
Will be performed. After setting the playback mode,
Decrement of register LENG in the first step D2
In the event processing, nothing is still set in the register LENG.
Because there is no, immediately after step D4, D5
We are now in the process of reading performance information and change length data.
You. In addition, the storage mode setting to set the recording (memory) mode
The means are the recording key 2 and the play key 3, as well as external connection
Devices based on instruction information from devices, slide switches, etc.
Anything can be used for manual performance
The controls are the keyboard 8, electronic string instruments, electronic wind instruments,
There are no restrictions on input formats, such as those from external devices.
And the storage capacity of the storage means is increased to some extent.
May be set. In addition, the tempo notifying means uses sound,
Notification form such as flashing diode
Can be anything, intro command input means
Is the key of Introfil Inkey 6 and the keyboard
8 or input from an external device, etc.
The form can be in any form, such as
The same applies to means and names, and there is no limitation to the examples.
It is not something to be done. [Effects of the Invention] In the present invention, the intro command storage instruction means is a mode
The recording mode is specified by the specifying means,
While the tempo is being announced by the
When an intro command is supplied by the command input means,
The intro command is stored in storage means. The storage control means is in the recording mode by the mode designating means.
Is specified by the performance information input means.
Information, the performance information is stored in the storage means.
And enter the intro immediately before the performance information is input.
If the command is stored in the storage means, an intro
The time from the end of the performance to the time when the performance information is input
Length, and if performance information is entered,
When performance information is input just before performance information is input
Or until the current performance information is input from the end of the idle performance.
Memorize the length of time. In the performance information reading means, the mode designating means makes the reproduction mode.
Performance is stored in the storage means when
Read information, intro command or time length in storage order
put out. The control means specifies that the playback mode is specified by the mode designating means.
When the performance information reading means
When the command is read, the intro command is
When the performance information is read out, the performance
Playing information to the playing means,
If the command is read, after the intro
Or after the performance information is read out,
Measure the time corresponding to the length of time
Later, the next storage information is read from the storage means. With this configuration, performance information is recorded.
The intro information stored in the memory and the performance operation.
Performance information can be stored smoothly,
Start playing without any particular awareness of the intro performance
The exact timing of
Has the effect that you can concentrate on playing the keyboard
You.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall circuit diagram of an electronic musical instrument, FIGS. 2 and 3 are diagrams showing the contents of a working register 15 and a performance memory 9,
FIGS. 4 to 8 are flowcharts of the overall processing, switch processing, rhythm processing, playback performance processing, and memory processing, respectively. 2 ... recording key, 3 ... play key, 5 ... ending key, 6 ... introfil-in key, 7 ... CPU,
8 ... keyboard, 9 ... performance memory, 10 ... tone generator, 12
…… Speaker, 13 …… Rhythm pattern ROM.

Claims (1)

(57) [Rules for requesting registration of utility model] Performance information input means for inputting performance information corresponding to the performance operation; performance means for performing the performance by receiving the performance information; storage means; intro command input means for inputting an intro command; Mode designating means for designating any one of modes, when the recording mode is designated by the mode designating means, idle playing means for notifying the playing tempo, and intro performance upon receiving the supply of the intro command. When the recording mode is designated by the mode instructing means to be performed, and the intro command is supplied by the intro command input means while the tempo notification is being made by the blank hitting playing means, Intro command storage instructing means for storing the intro command in a storage means; If the performance information is input by the performance information input means while the recording mode is specified by the mode specifying means, the performance information is stored in the storage means and immediately before the performance information is input. If the intro command is stored in the storage means, the time length from the end of the intro performance to the time when the performance information is input is stored. If the performance information is input, the performance information is stored. Storage control means for storing the time length from the time when the performance information is input immediately before the performance information is input or the end of the idle performance until the current performance information is input, and the mode specifying means specifies the reproduction mode. The performance information stored in the storage means, the performance information reading means for reading the introcommand or the time length in the order of storage, When the intro command is read by the performance information reading means while the mode specifying means specifies the playback mode, the intro command is supplied to the intro performance means, and the performance information is read. When performed, the performance information is supplied to the performance means, and
When the intro command is read, after the intro performance is completed, or after the performance information is read, the time corresponding to the read time length is measured,
Control means for reading out the next storage information from the storage means after completion of the time measurement.