JP6744522B2 - Performance system and control method - Google Patents

Description

The present invention relates to a performance system and a control method .

Conventionally, in order to assist a player with a lame player in playing the piano, there is a technique for detecting the movement of the upper body of the player using a detection device such as a blow sensor and controlling the piano pedal according to the detection result. Are known. By using such a technique, the user can control the piano pedal by the operation of the upper body without directly operating the piano pedal.

Japanese Patent No. 4742574

However, in the above-described technique, the piano pedal is controlled according to the movement of the user's upper body, so the piano pedal may be controlled at a timing not intended by the user, which may adversely affect the performance. .. In addition, if the user does not know the operation of the pedal, the pedal of the piano may not be controlled at an appropriate timing.

The present invention has been made to solve the above problems, and an object thereof is to provide a performance system and a control method for automatically driving a piano pedal in response to a key operation by a user.

In order to solve the above problems, one aspect of the present invention includes a piano that includes a keyboard having a plurality of keys and a pedal, a MIDI data generation unit that generates MIDI data according to a user 's operation of the keys, and a predetermined unit. Music data and the MIDI data in which the timing of key operation and the timing of pedal operation in the music are specified , and pattern information indicating the sounding timing and the mute timing of the keyboard operated by a preset performance is recorded. Is a control signal for controlling the pedal in accordance with the operation of the key by the user, the operation of operating the pedal, and the operation of stepwise changing the drive amount of the pedal. A sequencer that outputs a control signal indicating the timing at a timing specified by the music data, and by driving the pedal based on the control signal, the key of the user without the user directly operating the pedal. And a pedal drive device that operates the pedal according to the operation of .
Further, one aspect of the present invention is a method of controlling a performance system including a piano having a keyboard having a plurality of keys and a pedal, wherein the MIDI data generation unit generates MIDI data according to a user's operation of the key. A MIDI data generating step for generating, and a pattern in which the sequencer defines the timing of key operation and the timing of pedal operation in a predetermined music, and indicates the sounding timing and the mute timing of the keyboard operated by a preset performance. A control signal for controlling the pedal in accordance with the operation of the key by the user based on the music data in which the information is recorded and the MIDI data, and an operation as to whether or not to operate the pedal. An output step of outputting a control signal indicating an operation of stepwise changing the drive amount of the pedal at a timing specified in the music data; and a pedal drive device driving the pedal based on the control signal. , A pedal driving step of operating the pedal according to the operation of the key by the user without directly operating the pedal by the user.

According to the present invention, the sequencer controls the pedal based on the music data in which the timing of the key operation and the timing of the pedal operation in a predetermined music are defined and the MIDI data generated by the key operation by the user. Since the control signal is output at the timing specified by the music data, the piano pedal can be automatically driven at an appropriate timing when the music to be played is known in advance.

It is a figure which shows the structural example of a performance system. It is a functional block diagram which shows an example of a performance system.

Hereinafter, a signal processing device and a performance system according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing a configuration example of a performance system 1. FIG. 2 is a functional block diagram showing an example of the performance system 1.
As shown in FIGS. 1 and 2, the performance system 1 includes a piano 20, a sequencer 30, and a pedal drive device 40.
In the performance system 1, the sequencer 30 supplies a control signal for operating the pedal 24 of the piano 20 to the pedal drive device 40 in response to the operation of the keyboard 21 of the piano 20 by a player having a lameness. It is a system that assists the operation of 24.

The piano 20 (an example of a musical instrument) is an acoustic piano. Here, a case where the piano 20 is a grand piano will be described as an example. The piano 20 converts the performance by operating the keyboard 21 into MIDI data, for example, and transmits the MIDI data to the sequencer 30. The piano 20 also includes a keyboard 21, a MIDI data generator 22, a MIDI I/F (MIDI interface) 23, and a pedal 24.

The MIDI data generation unit 22 detects the operation of the keyboard 21 and generates MIDI data in which the performance by the operation of the keyboard 21 is converted into performance information. The MIDI data generator 22 outputs the generated MIDI data to the MIDII/F23.
The MIDII/F 23 transmits the MIDI data generated by the MIDI data generation unit 22 to the sequencer 30 as a MIDI signal.

(An example of a performance operator) pedal 24 is, for example, etc. damper pedal. In the present embodiment, as an example, the case of operating the damper pedal will be described.

The sequencer 30 transmits a control signal for controlling the pedal 24 to the pedal drive device 40 according to the MIDI signal (MIDI data) transmitted from the piano 20. Here, the control signal is, for example, a MIDI signal, and includes control information for (controlling) operating the pedal 24. The sequencer 30 may be, for example, an instrument capable of generating a control signal according to the received MIDI data, or a signal processing device such as a personal computer. The sequencer 30 includes a MIDII/F 31, a sequence information storage unit 32, and a control signal generation unit 33.

The MIDI I/F 31 receives and transmits MIDI signals. The MIDI/F31 includes a signal receiving unit 311 and a signal transmitting unit 312.
The signal reception unit 311 receives, for example, a MIDI signal transmitted from the piano 20 and outputs it as MIDI data to the control signal generation unit 33.
The signal transmission unit 312 transmits the control signal (MIDI signal) generated by the control signal generation unit 33 to the pedal drive device 40.

The sequence information storage unit 32 stores, as music data, pattern information of a predetermined music piece and control information (pedal operation information) for operating the pedal 24 according to the pattern information in association with each other. Here, the pattern information is, for example, an operation pattern in which the keyboard 21 is operated by playing, and is information indicating sounding timing and mute timing of each key (pitch). Further, the control information includes, for example, information indicating whether or not the function of the pedal 24 is operated, information indicating an operation of gradually changing the function of the pedal 24, and the like. In the sequence information storage unit 32, pattern information and control information are stored in advance as music data in association with music played by the performer.

The control signal generation unit 33 is a functional block realized by, for example, a processor including a CPU (Central Processing Unit). The control signal generator 33 generates a control signal for controlling the pedal 24 according to the MIDI data received from the piano 20 via the signal transmitter 312. The control signal generation unit 33 generates control information indicating the operation of the pedal 24 corresponding to the pattern of the received MIDI data. The control signal generation unit 33 acquires control information from the sequence information storage unit 32 based on the received MIDI data and music data, for example. The control signal generation unit 33 transmits the MIDI data including the acquired control information as a control signal (MIDI signal) via the signal transmission unit 312 at the timing specified by the music data.

The pedal drive device 40 is arranged in the pedal 24 portion of the piano 20 and executes the operation of the pedal 24 based on the control signal transmitted from the sequencer 30. The pedal drive device 40 includes a MIDII/F 41, a drive control unit 42, and a pedal drive unit 43.
The MIDI I/F 41 receives the MIDI signal that is the control signal transmitted from the sequencer 30 , and outputs the received MIDI signal as MIDI data to the drive control unit 42.

The drive control unit 42 is a functional block realized by, for example, a processor including a CPU. The drive control unit 42 controls the operation of the pedal 24 based on the MIDI data (control information) received from the sequencer 30 via the MIDII/F 41. The drive control unit 42 generates a drive signal for driving the pedal drive unit 43 based on the received MIDI data (control information), and outputs the drive signal to the pedal drive unit 43.

The pedal drive unit 43 (an example of a drive unit) drives the pedal 24 based on the control signal. That is, the pedal drive unit 43 drives the pedal 24 by the drive signal output by the drive control unit 42 based on the control signal. The pedal drive unit 43 has, for example, an actuator 431, drives the actuator 431 based on the drive signal, and executes the operation of the pedal 24.

Next, the operation of the performance system 1 according to the present embodiment will be described with reference to FIG.
First, when the performer operates the keyboard 21 of the piano 20 to perform the performance, the MIDI data generation unit 22 generates MIDI data according to the operation of the keyboard 21, and outputs the generated MIDI data to the MIDII/F 23. The MIDI I/F 23 transmits the MIDI data generated by the MIDI data generator 22 to the sequencer 30 as a MIDI signal.

Next, the control signal generation unit 33 of the sequencer 30 acquires control information from the sequence information storage unit 32 based on the MIDI data and the music data received via the MIDII/F 31. The control signal generation unit 33 of the sequencer 30 transmits the acquired control information (MIDI data) to the pedal drive device 40 as a control signal (S1) via the MIDI I/F 31 at the timing specified by the music data.

Next, the drive control unit 42 of the pedal drive device 40 drives the pedal drive unit 43 based on the control signal (MIDI signal) transmitted from the sequencer 30 . The pedal drive unit 43 drives the actuator 431 to operate the pedal 24. As a result, the piano 20 operates the pedal 24 in accordance with the operation of the keyboard 21, and the player can perform a performance including the operation of the pedal 24.

It should be noted that the present invention is not limited to the above embodiment, and can be modified within the scope of the present invention.
For example, in the above embodiment, an example of the acoustic piano as a grand piano has been described, but the acoustic piano is not limited to this and may be an upright piano.

In the above embodiment, piano 20 may be provided with a function of the pedal drive 40.

Although the sequencer 30 has described the example in which the MIDI signal (MIDI data) is output as the control signal, the sequencer 30 is not limited to this and may output the control signal in another format.

Each of the components included in the above-described performance system 1 has a computer system inside. The processing steps of each component of the above-described performance system 1 are stored in a computer readable recording medium in the form of a program, and the above processing is performed by the computer reading and executing the program. Here, the computer-readable recording medium refers to a magnetic disk, a magneto-optical disk, a CD-ROM, a DVD-ROM, a semiconductor memory, or the like. Further, the computer program may be distributed to the computer via a communication line, and the computer that receives the distribution may execute the program.

DESCRIPTION OF SYMBOLS 1... Performance system, 23, 31, 41... MIDI I/F, 21... Keyboard, 22... MIDI data generation part, 24... Pedal, 30... Sequencer, 32... Sequence information storage part, 33... Control signal generation part, 40... Pedal drive device, 42... Drive control unit, 43... Pedal drive unit, 311... Signal receiving unit, 312... Signal transmitting unit, 431... Actuator

Claims (2)

A piano having a keyboard having a plurality of keys and a pedal;
A MIDI data generation unit that generates MIDI data according to a user's operation of the key;
The music data and the MIDI in which the timing of the key operation and the timing of the pedal operation in a predetermined music are defined , and the pattern information indicating the sounding timing and the mute timing of the keyboard operated by a preset performance is recorded. A control signal for controlling the pedal in accordance with the operation of the key by the user based on the data, and the operation of whether or not to operate the pedal and the drive amount of the pedal are changed stepwise. A sequencer that outputs a control signal indicating an operation at a timing specified by the music data,
By driving the pedal based on the control signal, without operating the pedal directly by the user, a pedal drive device for operating the pedal according to the operation of the key by the user ,
Performance system with. A method for controlling a playing system including a piano having a keyboard having a plurality of keys and a pedal, comprising:
A MIDI data generation unit for generating MIDI data according to a user's operation of the key,
Music data in which the sequencer defines the key operation timing and the pedal operation timing in a predetermined music, and the pattern information indicating the sounding timing and the mute timing of the keyboard operated by a preset performance is recorded. And a control signal for controlling the pedal in accordance with the operation of the key by the user based on the MIDI data, the operation signal indicating whether or not to operate the pedal and the drive amount of the pedal in a stepwise manner. An output step of outputting a control signal indicating an operation of changing to, at a timing specified by the music data,
A pedal driving step in which the pedal driving device drives the pedal based on the control signal, thereby operating the pedal according to the operation of the key by the user without directly operating the pedal by the user. When,
Control method including.

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