JP3464301B2 - Automatic performance device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic performance device,
More specifically, processing performance data of multiple tracks
The present invention relates to an automatic performance device capable of performing such operations. 2. Description of the Related Art
Automatic performance device, the performance data of multiple tracks
When storing in the storage means, use the single chunk method.
Or the multi-chunk method
I was trying to remember. Here, the single chunk method and
Indicates the performance data of all tracks,
It is a method of attaching numbers tags and arranging them in the order in which they are played.
You. Therefore, the performance data is reproduced using this single chunk method.
When you store the performance data, the stored performance data
When playing back, the movement of the playback head is reduced,
There is an advantage that stable reproduction can be performed. However, on the other hand, each track is individually
Re-record or edit separately
Performance data is stored for each track
The performance data of each track is not
Access to performance data and its
Change processing load becomes heavy and time consuming.
There are advantages. [0005] On the other hand, the multi-chunk method refers to each track.
The performance data is arranged in the order of performance for each
Are arranged, for example, in ascending track number order.
You. Therefore, the performance data is stored in this multi-chunk format.
When you remember the data, you can record each track individually
The load of the process of fixing or editing
Can be significantly reduced compared to the glu chunk method.
There is an advantage that it. However, on the other hand, multi-chan
To play back performance data stored in the
Data read pointers are required for each track
Because the movement of the playback head increases, stable playback
And the load on the regeneration system is high.
Disadvantage. [0007] The present invention relates to such a conventional technology.
This was done in view of the disadvantages,
When storing performance data, a single channel
Performance data by selecting the
Stored in the storage means for reproduction, for example.
When storing performance data, use the single chunk method.
Remember and store performance data in editing storage
To store in a multi-chunk fashion
In the performance equipment, the movement of the reproducing head
Playback can be performed, and
Re-record or edit individual tracks
Automatic performance equipment that does not increase the processing load
The purpose is to provide a device. [0008] In order to achieve the above object,
In addition, the automatic performance device according to the present invention includes a plurality of tracks.
In addition to storing performance data in a single chunk format
Part storage means and the performance data from the external storage means.
Multi chunk method when loading to internal storage
To the internal storage means in a multi-chunk manner.
Saving the stored performance data to the external storage means
At the time, the conversion means for converting to the single chunk method
It is intended to have. According to the present invention, the performance data is transferred from the external storage means by the conversion means.
When loading data into internal storage,
Is converted to the multi-chunk method in the internal storage means.
Save performance data stored in the formula to external storage means
May be converted to a single chunk format.
You. Therefore, the external storage means is replaced with a storage means for reproduction.
If the internal storage unit is a storage unit for editing,
In the automatic performance device of
As well as being able to perform stable playback,
Re-record each track individually, or
Can prevent the processing load of editing from increasing.
You. The present invention will be described below with reference to the accompanying drawings.
An embodiment of the automatic performance device according to the present invention will be described in detail. FIG. 1 shows an automatic performance according to an embodiment of the present invention.
The block diagram of the playing device is shown. This automatic performance device controls the overall operation.
Control using a central processing unit (CPU) 10.
Is configured. This CPU 10 is connected via a bus 12
The load and save routines described later.
Or playback and editing of performance data
A predetermined program for executing the routine is stored.
Stored in the ROM 14 and the load routine.
Stores the performance data loaded from the
The performance data storage area and the CPU 10 as described later
Stores various system variables necessary for executing a program
Working area in which registers and other
Random access memory (RAM) 16 and later
Various operators and various types related to the implementation of the present invention to be described.
Various display devices are provided to display the setting status of the controls.
The operation panel 18 and the sound source 40 as an external device
To the MIDI standard via the MIDI output terminal 20
MIDI output device 22 for outputting performance data
From the floppy disk 42 storing the data,
Data, or transfer performance data to a floppy disk.
Floppy disk for saving to disk 42
Floppy disk for controlling the disk device 24
Control device 26 and a mechanism for generating a metronome sound.
A tronome sound generator 28 is connected. In addition,
Speaker 30 is connected to the metronome sound generator 28
Generated by the metronome sound generator 28
The metronome sound is emitted to the space
ing. The operation panel section 18 has a conventional automatic
The performance start instruction operator and the performance required by the performance device
Other controls such as a play stop instruction operator and various editing operators
In the meantime, a floppy
.Disk unit 24 and floppy disk control
The performance data from the floppy disk 42 via the device 26.
Data is loaded into the performance data storage area of the RAM 16.
Load button to instruct execution of the process to be memorized
Are stored in the performance data storage area of the RAM 16.
The performance data is stored in the floppy disk drive 24 and the floppy disk drive.
A floppy disk drive via the floppy disk controller 26
For instructing execution of processing for saving to the disk 42
The act of loading with the save button and the load button
Tens for designating the program used when selecting performance data
Keys are provided. FIG. 2 shows performance data handled by the automatic performance apparatus.
Data format is shown.
The data format used in the present invention is simplified to simplify the description.
For ease of understanding, data relevant to the practice of the present invention
Data format, and the track number
, Step time, and note number
Represents the pitch. For example, “C3” is the third octave C
(C). ) And note length (the length of the musical tone
You. In the present embodiment, the “quarter note” is replaced by “96 clocks”.
”. ) And one
A vent is configured. The step time is
Is the time until the event occurs. In this embodiment, the note number
"-1" is the end of the track where the note number is located
, And the note number “0” indicates a rest. As described above, in this embodiment,
For simplicity, data such as volume and tone
The explanation to omit was omitted, but it is necessary to set these data.
Needless to say, this may be done. FIG. 3 shows a staff with a treble clef and a flute.
A staff notation with a clef and a two-step staff notation
For example, an example of a musical score for a piano is shown below.
Insert the staff with the treble clef
Music performance data, and the upper treble clef
Music notation as the performance data of the track with track number 1
Will be expressed as In the present embodiment, the musical score as described above is used.
When storing the performance data that composes the
In the disk 42, as shown in FIG.
Memory data in the RAM 16
In the region, the multi-chunk method is used as shown in FIG.
It is made to memorize more. That is, in this embodiment, the load
Execution of the floppy disk drive 24
Via the floppy disk controller 26.
Loads performance data from the P disk 42 to the RAM
To store the performance data in the 16 performance data storage areas,
Data storage method is changed from single chunk method to multi
-Convert to chunk format and store. On the other hand, save
By executing the routine, the performance data storage area of the RAM 16 is stored.
The performance data stored in the
Device 24 and floppy disk controller 26
To save to floppy disk 42 via
Changes the performance data storage method from the multi-chunk method
Converted to single chunk format and memorized
Things. Referring now to FIG.
In the junk method, track number 0 and track number 1
Are arranged in the order of pronunciation (the same pronunciation
When playing, the performance data of track number 0 first
I arranged them side by side. ), To play performance data
It is a convenient data array. Therefore,
When playing performance data from the P disk 42,
Stable playback with little movement of the playback head
become able to. Note that this single chunk method
Now, insert and delete performance data for each track
When performing the sound / editing process, the load increases. On the other hand, referring to FIG.
In the track method, the performance data of track number 0 and the track number
The performance data of No. 1 is stored in the area indicated by each track number.
Each track is separated and inserted.
Single load for recording / editing processing such as input / deletion
-It can be significantly reduced compared to the chunk method.
Therefore, recording / recording on the performance data storage area of the RAM 16
The load on the editing process can be reduced. What
In this multi-chunk system, performance data is played back
The track number 0 and track number 1
Set the read pointer to the two tracks specified
The order of performance data transmission.
Therefore, when performing the reproduction process, the load increases. Next, the load rule in the automatic performance apparatus will be described.
Routine (Fig. 6) and save routine (Fig. 7)
As will be explained, in this automatic performance device,
When the power is turned on, the system is initialized and the operation panel
Waiting for the detection of the operation of various controls provided in the control unit 18.
State. And when the operation of various controls is detected
Is performed in accordance with the operation of the operator.
Become. That is, for example, the performance start instruction
If it is done, based on known technology,
Floppy disk 42 specified by numeric key
Playback of the performance data stored in the floppy disk
Disk control device 26 and floppy disk device 2
4 when the performance stop instruction operation element is operated.
In such a case, processing to stop the above playback processing is performed, etc.
I do. When the load button is pressed, the
The floppy disk controller 26 and the floppy disk
Via the disk unit 24, the numeric keypad
Floppy disk with single chunk method specified by
The performance data stored on the disk 42 is loaded, and R
Multi chunk method in the performance data storage area of AM16
The load routine (FIG. 6), which is a process to be stored in
Will be. When the save button is pressed, the flow starts.
Disk controller 26 and floppy disk
RA in a multi-chunk manner via the disk device 24
Performance data stored in the M16 performance data storage area
The single chunk on the floppy disk 42
Executed by the save routine (Fig. 7)
Is what is done. The load routine and save will be described below.
-The routine will be described in detail.
Used in save and save routines.
Such as registers and flags that store system variables
Make a light. In the following description, each register
All content (e.g., data)
It shall be represented by a label name. (1) Register for storing the number of tracks in which NT performance data is stored
It is a star. (2) lastClk [1] to lastC
lk [NT] The number of tracks provided is equal to the number of tracks.
This is a register for storing the clock time. (3) nEvt [1] to nEvt [NT] The number of nEvt [1] to nEvt [NT] tracks is provided.
Is a register for storing. (4) CurClk This register stores the current time. (5) Chunk [NT] [] Multi-channel in the performance data storage area of the RAM 16
This is a register that stores the link array. (6) restTrk This register stores the number of remaining tracks. (7) trk This register stores a track number. (8) A register for storing an EVT event. (9) delta [1] to delta [N
T] are provided for the number of tracks, and the next event of each track
This is a register for storing the time until the start. (10) done [1] to done [N
T] are provided for the number of tracks, and are initially set to “0”.
Read all track events
This flag is set to "1" when the processing is completed. (11) src [1] to src [NT] The number of tracks provided is equal to the number of tracks.
This is a register for storing the respective counters. (12) min This register stores the minimum value. (13) imin This register stores the track having the minimum value. Next, referring to FIG.
The chin will be described. That is, the row of the operation panel unit 18
If you perform the operation of pressing the mode button, the operation is detected.
The load routine is executed,
In step S602, an initialization process is performed. this
In the initialization processing, CurClk and lastCl
k [1] to lastClk [NT] and nEvt [1]
To nEvt [NT] are initialized to “0”.
A read pointer for performance data is set at the beginning. When the processing in step S602 is completed,
Proceed to step S604 and set NT to restTrk
I do. When the processing in step S604 is completed,
Proceed to step S606, and restTrk is greater than “0”
Determine if it works. A negative result is obtained in step S606.
(N), ie, when restTrk is equal to or less than “0”
This road route can be used without further processing.
End On the other hand, the judgment result of step S606 is affirmative.
(Y), ie, when restTrk is greater than “0”
In step S608, the floppy disk
The performance data stored in the single chunk format in
Write the event to be processed by the data to the EVT and play it
Increment the data read pointer. When the processing of step S608 is completed,
Proceed to step S610 to check the event stored in the EVT.
Set the track number to trk. When the process of step S610 is completed,
Proceeding to step S612, the track number indicated by trk
It is determined whether the number of vents is greater than “0”. If the determination result of step S612 is affirmative,
The event number of the track number indicated by trk is “0”.
If it is larger, the process proceeds to step S614, and “Chu
nk [trk] [nEVT [trk] -1] ”
Time is set to "CurClk [trk] -lastC
lk [trk] ”. When the process of step S614 is completed,
Proceed to step S616 to set the current time to the time indicated by trk.
Set as the last event time of the transaction number. When the processing in step S616 is completed,
Proceed to step S618. Also, the determination in step S612
The result is negative, that is, the event of the track number indicated by trk.
If the number is less than "0",
Proceed to S618. In step S618, the data stored in the EVT is stored.
Event is stored in the performance data storage area of the RAM 16.
Multi-chunk distribution of track number indicated by trk
Write to column. That is, performance data is stored for each track.
Remember events in a multi-chunk fashion
become. When the processing in step S618 is completed,
Proceeding to step S620, the track number indicated by trk
The number of vents is incremented by "1". When the process in step S620 is completed,
Proceed to step S622 to store the current time in the EVT
Add the step times of existing events. When the processing in step S622 is completed,
Proceed to step S624, and the event stored in the EVT
Is the last data of the track where the event was stored.
Is determined. If the result of the determination in step S624 is negative,
The event stored in the EVT is the last track
If it is not data, the process returns to step S606, and thereafter
Is repeated. On the other hand, the judgment result of step S624 is positive.
Event, that is, the event stored in the EVT is track
If it is the final data of step S626, the process proceeds to step S626.
After restTrk is decremented by “1”,
Return to step S606. In the load routine described above,
Therefore, as shown in FIG.
The performance data stored on the
As shown in FIG. 5, the RAM 16 is stored in the multi-chunk system.
The performance data is stored in the performance data storage area. Therefore, the performance of each track on the RAM 16
You can put a high load on the recording / editing of performance data.
Will be able to do without. Next, referring to FIG.
The chin will be described. That is, the operation panel
Button operation, the operation is detected.
The save routine is executed,
At step 702, an initialization process is performed. This first
In the initialization process, src [1] to src [NT]
, Done [1] to done [NT], and delta
[1] to delta [NT], min, and imin
Is initialized to “0”. When the processing of step S702 is completed,
Proceed to step S704 and set NT to restTrk
I do. When the processing of step S704 is completed,
Proceed to step S706, and restTrk is greater than “0”
Determine if it works. The result of the determination in step S706 is negative.
(N), ie, when restTrk is equal to or less than “0”
This save routine can be used without further processing.
End On the other hand, the judgment result of step S706 is affirmative.
(Y), ie, when restTrk is greater than “0”
In step S708, the performance data in the RAM 16
Data stored in the data storage area in a multi-chunk manner.
Write the vent to the EVT. When the process in step S708 is completed,
Proceed to step S710, and the event written to EVT
Is written in delta [imin]
Put in. When the process of step S710 is completed,
Proceed to step S712, and the event stored in the EVT
Is the last data of the track where the event was stored.
Is determined. If the decision result in the step S712 is affirmative,
The event stored in the EVT is the last track
If it is data, the process proceeds to step S714, and do
ne [imin] is set to “1” and the corresponding track is set.
And that the lastTrack has been read
Is decremented by "1". When the processing in step S714 is completed,
Proceed to step S716. Also, the determination in step S712
The result is negative, that is, the event stored in the EVT is
Even if it is not the last data of the track,
Proceed to step S716. In step S716, the read pointer
To step S718, and step S718
Now, del for all other tracks that have a residual event
min is subtracted from ta []. Upon completion of the process in step S718, the process
Proceed to step S720 and all others with a residual event
Find the minimum value from delta [] of the track of
min and its track number as imin
Set to. When the process of step S720 is completed,
Proceed to step S722, and the event stored in the EVT
Update the step time in minutes. When the process of step S722 is completed,
Proceed to step S724, and the event stored in the EVT
The floppy disk controller 26 and the floppy disk.
Floppy disk via P disk unit 24
42 and stored in a single chunk format. When the processing in step S724 is completed,
Returning to step S706, the subsequent processing is repeated. In the save routine described above,
As shown in FIG.
Performance data stored in the 16 performance data storage areas
However, as shown in FIG.
And stored on the P disk 42. Therefore, the information recorded on the floppy disk 42 is
When playing back the remembered performance data, the playback head
It is now possible to perform stable playback with little movement.
You. Further, the automatic performance device is provided with a metronome sound.
It has a generator 28 and a speaker 30, and
Data playback / recording stopped, performance data playback, performance
In each state during data recording, the metronome sound
Volume and timbre can be changed automatically
Have been. That is, the metronome in this automatic performance apparatus
The off-mode and the recording sound
High volume mode, high volume mode during recording and playback, always
High volume mode is set, and each mode
In this case, a metronome sound is generated as shown in FIG.
These modes are the modes provided on the operation panel section 18.
Selected by an operator for setting the password (not shown). That is, in the off mode, the performance data
During playback / recording of performance data, playback of performance data,
The metronome sounds in all states while recording
Turned off and not pronounced. In the high volume mode during recording,
Metronome while playback / recording of performance data is stopped
The sound is turned off and no sound is produced, but during playback of performance data
Metronome sound is produced at a low volume,
During recording, the metronome sounds at a loud volume.
It is. Further, the volume is set to a high volume mode during recording and reproduction.
During playback / recording of performance data is stopped,
The metronome sound is turned off and not pronounced, but the performance data
During playback, the metronome sounds at a loud volume.
During recording of performance data, the metronome sound is loud.
It is pronounced at the volume. Further, in the constant volume high mode,
During playback / recording of performance data is stopped,
During live and during recording of performance data,
The lonome sound is produced at a high volume. In the above-described embodiment, the
Performance data storage area from P disk 42 to RAM 16
Processing of loading performance data into the
From the performance data storage area to the floppy disk 42
Performance data save processing, performance data playback and editing
Is performed using a processing system different from that for
Process in parallel with data playback and editing.
Of course, it may be possible. The present invention is configured as described above.
When storing performance data, a single
Select the junk method or multi-chunk method
The performance data is stored in the storage means for reproduction, for example.
When storing in the single chunk method
In both cases, when the performance data is stored in the editing storage means,
Can be stored in a multi-chunk fashion
In a single automatic performance device, the movement of the reproducing head
It is possible to perform stable playback with less
And re-recorded each track individually
Or increase the processing load of editing
Can be

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an automatic performance device according to an embodiment of the present invention. FIG. 2 is an explanatory diagram schematically showing a data format of performance data handled by the automatic performance device according to the present invention. FIG. 3 is a musical score showing an example of performance data composed of tracks having track numbers 0 and 1; FIG. 4 is performance data representing the musical score shown in FIG. 3 in a single chunk format according to the data format shown in FIG. 2; 5 is performance data representing the musical score shown in FIG. 3 in a multi-chunk system according to the data format shown in FIG. 2; FIG. 6 is a flowchart showing a load routine. FIG. 7 is a flowchart showing a save routine. FIG. 8 is a table showing the volume of the metronome sound in relation to the mode of generation of the metronome sound and the operating state of the automatic performance device. DESCRIPTION OF SYMBOLS 10 CPU 12 Bus 14 ROM 16 RAM 18 Operation panel unit 20 MIDI output device 22 MIDI output terminal 24 Floppy disk device 26 Floppy disk control device 28 Metronome sound generator 30 Speaker 40 Sound source 42 Floppy disk

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-2-311898 (JP, A) JP-A-8-152811 (JP, A) JP-A-5-40474 (JP, A) JP-A-3-3 192297 (JP, A) JP-A-2-311899 (JP, A) JP-A-58-127995 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G10H 1/00-7 / 12

Claims (1)

(57) [Claim 1] An external storage means for storing performance data composed of a plurality of tracks in a single chunk system, and loading the performance data from the external storage means to an internal storage means. Converting means for converting to a single chunk method when the performance data stored in the internal storage means in the multi chunk method is saved in the external storage means. An automatic performance device characterized by the following.