JPH06348260A - Automatic musical performance recording device - Google Patents

Abstract

PURPOSE:To record musical performance information endlessly and automatically in certain Lime units at the same time with power-ON operation by While making a return to the head of a storage means again and starting recording the musical performance information when the musical performance is recorded in the storage means up to the tail. CONSTITUTION:In a recording buffer in the buffer memory area of a RAM 16, the musical performance information generated through keying operation and key releasing operation on a keyboard device 22 is recorded endlessly. Namely, the musical performance information which is generated corresponding to the keying operation and key releasing operation on the keyboard device 22 is written in addresses specified by a write pointer, which is advanced by one to a next address each time the writing ends. Then when the write pointer is advanced by the size of the recording buffer to the tail address, the write pointer is so controlled as to specify the address 0 again. The recording buffer is therefore used endlessly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic performance recording apparatus, and more particularly to an automatic performance recording apparatus capable of automatically recording performance information when power is turned on.

[0002]

2. Description of the Related Art Conventionally, there is an automatic performance device capable of recording performance information and reproducing the recorded performance information, and an electronic musical instrument incorporating such an automatic performance device is known.

In the electronic musical instrument as described above, when a performance is recorded on the automatic performance device, the performer first operates an operator for instructing the automatic performance device to start recording, whereby the automatic performance device is operated. To start recording performance information. After confirming the recording start of the automatic performance device, the performer plays the electronic musical instrument and records the performance information based on the performance in the automatic performance device.

[0004]

However, when the operator for instructing the start of recording is operated to start recording the performance information as in the above-described conventional automatic performance apparatus,
The performer was conscious of the state that the recording of the performance information was started, and sometimes made a performance error.

Particularly, for beginners and the like, there is a problem in that recording of performance information is repeated and the performance information is re-recorded many times due to excessive awareness of the fact that performance information recording has started. there were.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to automatically provide endless performance information in predetermined time units at the same time when the power is turned on. It is an object of the present invention to provide an automatic performance recording device capable of recording and recording performance information based on the performance of the performer without making the performer aware of the start of recording the performance information. .

[0007]

In order to achieve the above object, an automatic performance recording apparatus according to the present invention comprises an input means for inputting performance information and a storage means for recording the performance information input by the input means. A performance information recording control means capable of recording the performance information in the storage means when the power is turned on; and when the storage means records the performance information, the performance information is recorded from the head of the storage means, and the storage means stores the performance information. When the performance information is recorded up to the end of the means, there is provided performance information recording management means for returning to the beginning and starting recording.

[0008]

The performance information recording control means makes it possible to record the performance information in the storage means when the power is turned on, and when the performance information record management means records the performance information to the end of the storage means, the performance information record control means re-starts Since the performance information starts to be recorded again, the performance information generated by the performance of the performer is always recorded in the storage means, and the storage means plays endlessly in a predetermined time unit. Information will be stored.

Since the performance information is always recorded in this way, the performer does not need to be particularly aware of the start of recording the performance information, and the performance information is stored endlessly in predetermined time units. Even if a mistake is made in the performance, the player can continue to perform the performance, and the performer can perform the performance while maintaining the tension.

[0010]

Embodiments of the automatic performance recording apparatus according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram of an automatic performance recording apparatus according to an embodiment of the present invention.

This automatic performance recording apparatus is constructed so that the control of the entire operation thereof is controlled by using a central processing unit (CPU) 10. This CPU 10 has a bus (B
A read only memory (ROM) 14 in which a predetermined program for controlling the overall operation is stored, and a keyboard device (KBD) as described later.
Random access memory (working area) in which various buffers for storing performance information and the like generated based on the key depression / release operations of 22 and various register groups necessary for the CPU 10 to execute programs are set RAM) 16, an operating section 18 including various operating elements related to the implementation of the present invention described later, a display section 20 for displaying operating states of various operating elements by the operating section 18, and a player pressing a key. Keyboard device 22 for playing by operating / releasing keys
And a sound generator 24 for generating / stopping a musical tone signal based on the performance information, and the performance information stored in a floppy disk as an external recording medium is read out and read.
Floppy disk controller (FDC) 2 for controlling a floppy disk device 26 for storing in a predetermined area of the AM 16 or outputting performance information stored in the RAM 16 to a floppy disk for storage.
And 8 are connected.

Further, the sound generator 24 includes a sound emitting section 30 including an amplifier and a speaker.
Is connected, and the musical tone signal generated by the sound generator 24 is emitted to the space as a musical tone.

In this automatic performance recording apparatus, the information based on the key pressing operation / key releasing operation of the keyboard device 22 is stored in the CPU 1
It is converted into performance information by 0, stored in the RAM 16, and used as performance information for automatic performance. That is, the performance information stored in the RAM 16 as described above is read by the CPU 10, the sound generator 24 generates a tone signal based on the performance information read by the CPU 10, and the sound emitting unit 30 is activated. A musical sound is emitted to the space via the space, and an automatic performance for reproducing the performance of the keyboard device 22 is realized.

The RAM 16 has a memory capacity of 9 as shown in FIG.
A buffer memory area divided into individual areas, that is, a recording buffer and a phrase buffer 1 to a phrase buffer 8 is provided.

In the recording buffer in the above-mentioned buffer memory area, a key depression operation of the keyboard device 22 /
Performance information generated in response to a key release operation is recorded endlessly. That is, the recording buffer is as shown in FIG.
The performance information generated in response to a key depression operation / key release operation of the keyboard device 22 is written to the address designated by the write pointer WP, and the write pointer WP is written. It is advanced to the next address one by one at the end. Then, when the write pointer WP advances by the size SZ of the recording buffer and reaches the last address n, the write pointer WP is controlled to specify address 0 again.

Therefore, the recording buffer is used endlessly, and the oldest stored performance information is sequentially rewritten with new performance information.

The performance information stored in the recording buffer is the REP, which will be described later, of the operator section 18.
By operating the LAY (replay) switch, the performance information transferred to any one of the phrase buffers 1 to 8 and stored therein and the performance information stored in the phrase buffers 1 to 8 is reproduced,
The performance of the keyboard device 22 is reproduced.

FIG. 4 shows an operation panel provided with an operation element related to the practice of the present invention, which is provided in the operation element section 18, and is recorded in the recording buffer as described above and stored in the phrase buffer. And the REPLAY switch that is operated when the performance information transferred to
A STOP switch that stops the reproduction of performance information started by operating the AY switch, and SW (switch) 1 to SW (switch) 8 provided corresponding to each of phrase buffer 1 to phrase buffer 8 And a SAVE (save) switch operated when the performance information stored in one of the phrase buffers is stored in the floppy disk. Further, reference numeral 32 is a light emitting diode (LE that constitutes the display unit 20.
D), and by turning on this LED 32, R
It is displayed that the reproduction of the performance information started by operating the EPLAY switch is currently being performed.

When the switch 1 to the switch 8 are operated and the performance information is stored in the phrase buffer corresponding to the operated switch, the performance information stored in the phrase buffer is immediately reproduced. hand,
The performance of the keyboard device 22 is reproduced.

In the above structure, the main unit shown in FIG.
The operation and operation of the above-described automatic performance recording apparatus according to the present invention will be described with reference to the flow chart of the routine.

When the power is turned on, first, step S50
In step 2, the CPU 10 initializes the RAM 16 and the sound generator 24, and the like in step S5.
Go to 04.

In step S504, "1" is set in the register F set in the RAM 16 for storing the phrase buffer number, and the keyboard device 22 and the operating section 18 are set.
Enters a standby state for detecting the operation of each of the operators. That is, if the keyboard device 22 and each operator of the operator part 18 are not operated, step S506 (determination process of whether the keyboard device 22 is operated) or step S510 (R
Processing for determining whether or not the EPLAY switch has been operated),
Step S524 (process for determining whether or not the SAVE switch has been operated) and step S528 (switch 1
Since the determination result of (the determination process of whether the switch 8 is operated) is negative (N), the process returns to step S506 without performing any process, and step S50 is performed.
The loop process from 6 to step S530 is repeated.

When the keyboard device 22 is operated, the determination result of step S506 becomes affirmative (Y), and the process proceeds to step S508.

In step S508, a performance information recording process of storing the performance information generated in response to the operation of the keyboard device 22 in the recording buffer of the RAM 16 is performed. The operation of the performance information recording process is repeated until the REPLAY switch is operated.

When the REPLAY switch is operated, the determination result of step S510 becomes affirmative, and step S510
In step 512, the performance information recorded in the recording buffer is transferred to the phrase buffer corresponding to the phrase buffer number set in the register F. For example, when the power is turned on, step S5
Since "F = 1" is set in 04, in this case, it is transferred to the phrase buffer 1 corresponding to "phrase buffer number = 1".

When the performance information is transferred from the recording buffer to the phrase buffer, the oldest performance information in the recording buffer is searched first, and the write pointer W is written in order from the oldest performance information.
Performance information up to the performance information indicated by P is transferred.

When the processing of step S512 is completed, the process proceeds to step S514, and an instruction is sent to the reproduction task to reproduce the performance information from the beginning of the phrase buffer to which the performance information is transferred. The reproduction task operates as a multi-task, and the main routine can operate even during reproduction of performance information. And
The reproduction task stops the reproduction when the STOP switch is operated during reproduction of the performance information or when all the performance information transferred to the phrase buffer is read.

When the performance information is transferred to the phrase buffer (step S512) and the reproduction of the phrase buffer is started (step S514), step S5 is performed.
At 16, the write pointer WP of the recording buffer is set to point to address 0.

Further, the process advances to step S518, and the register F is incremented by "1". When the process of step S518 ends, the process proceeds to step S520, and the register F
It is determined whether or not the phrase buffer number set in is larger than "8". If the determination result is affirmative, that is, if the phrase buffer number is set to "9" in step S518, the process proceeds to step S522. Phrase
The buffer number is set to "1" so that the process can be continued. In addition, the determination result of step S520 is negative,
That is, when the phrase buffer number is equal to or less than "8", the process is continued with the phrase buffer number incremented in step S518.

That is, the phrase buffer number to which the performance information of the recording buffer is transferred is "1" indicating phrase buffer 1 when the power is turned on, and the REPLAY switch is operated to operate at step S51.
2 and every time the processing of step S514 is performed,
When the phrase buffer number is automatically incremented by "1" and the phrase buffer number is set to "8" and transfer to the phrase buffer 8 is performed, the phrase buffer number of the next transfer destination is set to "1". Will be transferred to the phrase buffer 1.

When the processing of steps S516 to S522 is completed, the keyboard device 22 and the operating section 18
When the keyboard device 22 is operated, the process of step S508 is performed, and when the REPLAY switch is operated, step S512 is performed to enter the standby state for detecting the operation of each operator. Through step S52
Process 2 is performed.

When the SAVE switch is operated, the determination result of step S524 becomes affirmative and the process proceeds to step S526, where the phrase buffer 1 to phrase buffer 8 last designated by the switches 1 to 8 are stored. The performance information is sent to the save task to save the performance information to the floppy disk via the floppy disk device 26 and the FDC 28. This save task is also configured to operate as a multi-task like the above-mentioned reproduction task, and the operation of the main routine can be continued even during execution of the save task.

Further, when any of the switches 1 to 8 is operated, the determination result of step S528 becomes affirmative and the process proceeds to step S530, and is stored in the phrase buffer corresponding to the operated switch 1 to switch 8. An instruction is sent to the reproduction task so that the reproduced performance information is reproduced from the beginning.

As described above, the performance information generated by operating the keyboard device 22 can be recorded endlessly when the power is turned on, and the recorded performance information can be reproduced.

Next, a second embodiment of the automatic performance recording apparatus according to the present invention will be described.
This is different from the first embodiment in that the reproduction range of the performance information reproduced based on the operation of the REPLAY switch is limited to a predetermined range retroactively from the last recorded performance information.

In the second embodiment, in addition to the configuration of the first embodiment, when the information on the operation of the keyboard device 22 is converted into performance information, the time at the time of operating the keyboard device 22 is set. The indicated time information is included in the performance information and recorded.

When the performance information is transferred from the recording buffer to the phrase buffer, the write pointer WP of the recording buffer indicates the last performance information written, but the last performance information written. The performance information recorded at the closest time 30 seconds before the time indicated by the time information contained in is searched in the reverse order from the time the performance information was recorded, and is searched at the time closest 30 seconds before. Write in order from the recorded performance information
The performance information up to the performance information indicated by the pointer WP is transferred to the phrase buffer.

Therefore, in the second embodiment, since only the performance of the keyboard device 22 for 30 seconds immediately before the end of the performance can be reproduced, it is extremely effective in re-listening the phrase that was previously thought of and played. Target.

Furthermore, a third embodiment of the present invention will be described below. The third embodiment is the first one in that the transfer of performance information from the recording buffer to the phrase buffer is automated. This is different from the embodiment.

In the third embodiment, in addition to the configuration of the first embodiment, as shown in FIG. 6, performance information stored in the recording buffer is provided near each of the switches 1 to 8. Last phrase transferred
LEDs 34a to LED that are lit to indicate the buffer
34h is provided.

Then, when the CPU 10 is in a state of detecting the operation of the keyboard device 22 and the operating elements of the operating portion 18, a predetermined time (for example, 60 seconds) after all the keys of the keyboard device 22 are released. When it is detected that no operation has been performed, the performance information stored in the recording buffer is automatically transferred to any one of the phrase buffer 1 to the phrase buffer 8.

The transfer destination phrase buffer number is "0" when the power is turned on, and the performance information stored in the recording buffer is transferred to any one of the phrase buffer 1 to the phrase buffer 8. Is incremented by "1" before reaching "8" and then "1" is set. When the phrase buffer number of the transfer destination phrase buffer is switched, only the corresponding LED is turned on.

The REPLAY switch is operated to reproduce the performance information stored in the phrase buffer of the phrase buffer 1 to the phrase buffer 8 last transferred from the recording buffer.

In addition to the functions of the first embodiment, the switches 1 to 8 are used to select the phrase buffer to be reproduced by the REPLAY switch.

Then, the phrase buffer is selected by operating the switches 1 to 8 and then the REPLAY
When the reproduction is performed by operating the switch, when the reproduction is interrupted or finished, the phrase buffer number of the transfer destination is returned to the state before operating the switches 1 to 8.

Therefore, in the third embodiment, since only the net performance from the beginning of playing the keyboard device 22 to the end thereof can be reproduced, the short phrase is repeatedly practiced and reproduced. It is extremely effective when listening.

In the second embodiment described above,
Instead of storing the time when the keyboard device 22 is operated, the time interval between each operation (event) is stored,
By managing the time between events, the keyboard device 22
You may make it manage the time which operated.

Further, the time for reproducing the performance information in the above-mentioned second embodiment is not limited to "30 seconds", and an appropriate time may be set in advance, or a predetermined operation may be performed. A child or the like may be provided so that the time interval can be changed.

Furthermore, in the third embodiment described above, the keyboard device 22 for automatically storing performance information from the recording buffer to the phrase buffer 22.
Regarding the predetermined time after all the keys are released, an appropriate time may be set in advance, or a predetermined operator may be provided so that the time interval can be changed. .

In each of the above embodiments, the keyboard device 22 is used as a means for inputting performance information, and the performance information generated in response to the key depression / release operation of the keyboard device 22 is stored in the recording buffer. Although the case has been described, the present invention is not limited to this, and the performance information from the outside may be stored in the recording buffer by using a communication means such as MIDI as the performance information input means. Disk device 26 and F
Performance information from the floppy disk may be stored in the recording buffer via the DC 28.

[0052]

Since the present invention is constructed as described above, it has the following effects.

Input means for inputting performance information, storage means for recording the performance information input by the input means, performance information recording control means for recording performance information in the storage means at power-on, and storage When the means records performance information, the performance information recording management means causes the performance information to be recorded from the beginning of the storage means, and when the performance information is recorded to the end of the storage means, returns to the beginning again and starts recording. As a result, the performance information recording control means enables the performance information to be recorded in the storage means when the power is turned on, and when the performance information record management means records the performance information to the end of the storage means, the performance information is recorded again. Since the recording of the performance information is started again, the performance information generated by the performance of the performer can always be recorded in the storage means. Ri, also play information endlessly at a predetermined time unit in the storage means is stored.

Therefore, according to the present invention, the performance information can be automatically recorded in a predetermined time unit at the same time when the power is turned on, and the performance can be performed without making the performer aware of the start of recording the performance information. Performance information based on the performance of a person can be recorded.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an automatic performance recording apparatus according to the present invention.

FIG. 2 is an explanatory diagram schematically showing a structure of a buffer memory area of a RAM.

FIG. 3 is an explanatory diagram schematically showing the structure of a recording buffer.

FIG. 4 is an explanatory diagram of an operation panel.

FIG. 5 is a flowchart showing a main routine.

FIG. 6 is an explanatory diagram of an operation panel according to a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 CPU 12 Bus 14 ROM 16 RAM 18 Operator part 20 Display part 22 Keyboard device 24 Sound generator 26 Floppy disk device 28 Floppy disk controller 30 Sound emitting part

Claims (1)

[Claims] 1. Input means for inputting performance information, storage means for recording the performance information input by said input means, and performance information recording control enabling recording of performance information in said storage means when power is turned on. Means for recording performance information when the storage means records the performance information, and when the performance information is recorded from the beginning of the storage means to the end of the storage means, the performance returns to the beginning again and recording is started. An automatic performance recording apparatus comprising: an information recording management means.