JPH0667652A - Music expressing device - Google Patents

Abstract

PURPOSE:To provide an electronic musical instrument that a user can practice for a long time without getting bored on the basis of characteristics of a generated musical sound and also the interior that the user can visually enjoy while listening to the music. CONSTITUTION:A magnet 203 placed in a transparent case provided as part of the electronic keyboard instrument, etc., is pushed up by repelling the magnetic field from a solenoid 201 in a cabinet. In this case, a solenoid control part 311 controls the magnetizing force of the solenoid 201 on the basis of musical performance data from a keyboard part 302 operated by a player or automatic musical performance data read out of a ROM pack 306 according to the envelope of the amplitude of a musical sound signal outputted from a D/A converter 308, i.e., sound volume. Consequently, the height at which the magnet is pushed up varies with the sound volume.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a music expression device for generating an additional function based on characteristics of a generated musical sound.

[0002]

2. Description of the Related Art It is said that it is better to learn (play) from the time of playing a musical instrument, for example, when playing a musical instrument. However, if the person does not show an interest in the musical instrument, each practice will not last long and he will soon get tired, and no matter how the parents persuade him, the learning effect will not be improved. Therefore, it is necessary for the person himself to devise a musical instrument that makes it fun to play.

Conventionally, when a practitioner plays a melody with an electronic keyboard instrument, an LED is turned on or a voice such as “do”, “re”, “mi”, “ha” is sounded in response to the played key. Although it is suitable for teaching the player which key to play and for remembering the note name of the key played, these are always fun for young children. It is not always the case.

In addition, there has been no music expression device having an additional function so that music can be enjoyed visually. An object of the present invention is to provide an electronic musical instrument that can be practiced for a long time without getting tired.
It is to realize an interior interior that allows you to visually enjoy while listening to music.

[0005]

According to the present invention, firstly, there is provided a tone generating means for generating a tone based on input performance data.

Next, there is a magnet pushing-up means for pushing up a magnet placed in a transparent tube by an electromagnetic driving force of the electromagnetic driving means. The means is an electromagnetic solenoid that generates a magnetizing force having the same polarity as that of a magnet by, for example, passing a current through a coil in order to obtain a repulsive force.

Here, the magnets in the above-mentioned electromagnetic drive means may be configured to be mounted in capsules inserted in a plurality of transparent tubes filled with a transparent liquid.

An electric signal for controlling the electromagnetic driving force in the magnet pushing-up means is generated based on the characteristic of the musical sound generated by the musical-tone generating means, and the electromagnetic driving means of the magnet pushing-up means is generated by the electric signal. It has control means for controlling.

When the present invention is applied to, for example, an electronic musical instrument, it can be configured to further include performance operation means for generating the above-mentioned performance data by a performance operation. Further, when the present invention is applied to, for example, an interior interior of a room, it may be configured to further include an automatic performance means for automatically generating performance data.

Of course, the present invention is also applicable to an electronic musical instrument having both a performance operation means and an automatic performance means.

[0011]

According to the present invention, when a current based on the characteristic of the musical tone from the musical tone generating means, for example, the sound volume is applied to the electromagnetic driving means, for example, the coil of the electromagnetic solenoid, the magnetic force is pushed up by the repulsive force between the electromagnetic solenoid and the magnet. The height of the magnet to be changed is changed so that the magnet is pushed up higher when the volume of the musical sound is high, and the magnet is pushed lower when the volume of the musical sound is low.

Further, when the above magnet is mounted in a capsule inserted into each of a plurality of transparent tubes filled with a transparent liquid, the weight of the capsule including the magnet is reduced by the buoyancy of the capsule. Therefore, as compared with the case where the magnet is placed in a transparent tube that does not use liquid, the magnet is pushed up to the same height by a repulsive force that is much weaker, and
Due to the viscous resistance and shape resistance exerted on the capsule, it gently swings up and down according to the volume change of the musical sound.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Two embodiments in which the present invention is applied to an electronic keyboard instrument will be described below with reference to the drawings. First Embodiment <Structure> An external view of this embodiment is shown in FIG. 1, and the number of keys on a keyboard 101 is 44 keys (F2 to C6).

In FIG. 1, a solenoid 201 as shown in a sectional view of FIG. 2 and a magnet 2 housed in a transparent case 202 are provided in a part of a cabinet 204 of an electronic keyboard instrument.
03 is incorporated. As shown in FIG. 2, the magnet 203 has a polarity that repels a magnetic pole generated when a current is applied to the solenoid 201.

In this case, the height at which the magnet 203 is repelled and pushed upward by the solenoid 201 changes in accordance with the electric current applied to the solenoid coil 201a within a predetermined range.

Then, for example, based on the change in the volume of the musical sound played by the keyboard 101, the solenoid coil 2
If the current passed through 01a is controlled, the magnet 203 is repelled and the height at which it is pushed upward changes with the characteristics shown in FIG. 5, for example. In FIG. 5, the magnet is not yet pushed up at the volume A, but the magnet starts to be pushed up as the volume increases, and the height of the magnet increases as the volume increases like B and C in FIG. However, as the distance between the solenoid and the magnet increases, the height at which the magnet is pushed up becomes saturated at a certain height as shown in FIG.

FIG. 3 is a block diagram showing the overall construction of this embodiment. In FIG. 3, first, a CPU (central processing unit) 304 controls each of the other parts according to a program written in a ROM (Read Only Memory) 303. The switch unit 301 is composed of various switches necessary for performance.

Next, the keyboard section 3 to be played by the performer.
02 (same as 101 in FIG. 1) or performance data for automatic accompaniment read from the ROM pack 306 and decoded by the decoding unit 305 is input to the CPU 304. And CPU3
By the control of 04, the tone generator 307 creates a tone signal having a predetermined pitch, tone color and amplitude envelope. This tone signal is converted into an analog tone signal by the D / A converter 308 and then passed through the amplifier 309. Speaker 31
Sound is emitted from 0.

At the same time when the musical sound is emitted from the speaker 310, the solenoid control section 311 causes the solenoid 201 to output a current according to the amplitude envelope of the musical sound signal output from the D / A converter 308, that is, the volume. To control. As a result, based on the magnitude of the current, the pseudo 20
The magnet 203 is pushed upwards according to the strength of the magnetic field generated by 1. In this case, the user can adjust the height pushed up above the magnet 203 by the knob on the switch unit 301 as described below.

The circuit of the solenoid control unit 311 is shown in FIG.
Is shown in. The tone signal output from the D / A converter 308 in FIG. 3 is input from the input terminal 401 to a known full-wave rectification circuit 402, and after full-wave rectification by the circuit 402, this is also a known LPF ( Low-pass filter)
It is smoothed at 403. As a result, a DC voltage corresponding to the amplitude envelope of the tone signal is obtained, and this DC voltage is
Further, it is amplified by the DC amplification circuit 404. As a result, the amplitude envelope of the tone signal, that is, the DC voltage corresponding to the volume is obtained. This DC voltage is converted into a current output by a solenoid driver 406 including a power amplifier, and the output is sent to the solenoid 201.

In this case, the magnet 203 is replaced by the solenoid 201.
It is necessary to adjust the height when it is repulsed by and pushed up. Therefore, when the user adjusts a specific knob on the switch unit 301 in FIG. 3, the CPU 3
04 sends a control voltage according to the manipulated variable of the knob to the electronic variable resistor 405 connected to the DC amplification circuit 404, thereby controlling the offset voltage in the DC amplification circuit 404, and the input voltage of the solenoid driver 406. Adjusted. <Operation> With the above configuration, the keyboard unit 302 or R of FIG.
Based on the performance data from the OM pack 306, the amplitude envelope of the tone signal from the tone generator 307, that is, the current value passed through the solenoid 201 changes according to the volume of the tone.

As a result, as described above, the magnet 203
However, it is pushed high when the volume is high, and low when the volume is low. Although the first embodiment of the present invention has been described above, the present invention does not necessarily have to be combined with a musical instrument, and as described in the second embodiment below, a musical tone generated from an automatic performance device such as a sequencer, for example. Can be realized as an interior interior in which the heights at which the plurality of small magnets are pushed up change based on the characteristics of, for example, the volume. Second Embodiment This embodiment is an external view other than the sectional view of FIG. 2, an overall configuration diagram,
The solenoid control unit and the like are all the same as in the first embodiment. <Structure> FIG. 6 is a sectional view of a second embodiment corresponding to the sectional view of FIG. 2 of the first embodiment.

In FIG. 6, there are a plurality of transparent tubes 602, both ends of which are open, inside the transparent case 202. The tubes are attached to the transparent case 202 at the upper and lower parts by two holders (not shown). It is fixed. The transparent case 202 and the transparent tube 602 are filled with a transparent liquid 601. At the bottom of the transparent tube 602, a capsule 701 having the appearance shown in FIG. 7 and having the magnet 203 inside as shown in the cross-sectional view is arranged.

The magnet 203 is the solenoid 2
The magnet 203 has a polarity such that the magnet 203 is repelled by the magnetic pole generated when a current is applied to the switch. <Operation> With the configuration described above, the solenoid 201 is operated in accordance with the amplitude envelope of the musical tone signal from the keyboard 302 or the tone generator 307 based on the musical performance data from the ROM pack 306, that is, the volume of the musical tone. The value of the electric current that is passed through changes.

As a result, the repulsive force between the magnet 203 provided at the bottom of the capsule 701 of FIG. 7 and the magnetic poles of the solenoid 201 pushes the capsule 701 high when the volume is high and low when the volume is low.

In the above-described first embodiment, since the magnet 203 is placed directly in the transparent case, the magnet 203 rapidly moves up and down in response to a change in volume, but in this embodiment, the shape resistance of the capsule 701 is changed. Due to the viscous resistance of the transparent liquid 601 and the movement of the capsule 701 is not as fast as in the first embodiment, even when the volume of the musical sound sharply decreases,
The capsule slowly falls over a few seconds.

Then, the gap between the inner wall of the transparent tube 602 and the capsule 701, the weight and volume of the capsule 701,
Alternatively, by using various different magnetomotive forces of the magnets 203, the movements of the plurality of capsules 701 can be made different.

In FIG. 6, a straight transparent tube 602 is provided.
4 are drawn, but the present invention is not limited to this, and for example, a number of thin transparent tubes curled gracefully in a curved line,
For example, by using about 20 capsules with different shapes, sizes, or colorings, the transparent tube can be moved up and down at various speeds according to the volume of the musical sound to realize a new interior interior design. it can.

[0029]

According to the present invention, based on the characteristics of the musical sound generated by the musical sound generating means, the magnets pushed up by the magnet pushing up means or the magnet-equipped magnets placed in a plurality of liquid-filled transparent tubes. It is possible to change the state of the capsule.

By utilizing the features of the present invention as described above, it is possible to realize a music expression device which is significantly different from the conventional electronic musical instruments, for example, as an electronic musical instrument for infants or as an interior interior.

[Brief description of drawings]

FIG. 1 is an external view of a first embodiment according to the present invention.

2 is a cross-sectional view taken along the line AA ′ in the external view of FIG.

FIG. 3 is an overall configuration diagram of a first embodiment.

FIG. 4 is a circuit diagram of a solenoid control unit.

FIG. 5 is a diagram showing a volume of a musical sound to be played and a height of a magnet to be pushed up.

6 is a sectional view of a second embodiment corresponding to the sectional view of FIG. 2 of the first embodiment.

7A and 7B are an external view and a sectional view of a capsule of a second embodiment.

[Explanation of symbols]

 101 keyboard 201 solenoid 201a solenoid coil 202 transparent case 203 magnet 204 cabinet 301 switch section 302 keyboard section 303 ROM 304 CPU 305 decoding section 306 ROM pack 307 sound source section 308 D / A converter 309 amplifier 310 speaker 311 solenoid control section 401 input terminal 402 Full-wave rectification circuit 403 LPF 404 DC amplification circuit 405, electronic variable resistor 406 Solenoid driver 601 Transparent liquid 602 Transparent tube 701 Capsule

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location G10H 1/46 4236-5H H01F 7/16 D

Claims (4)

[Claims] 1. A musical tone generating means for generating a musical tone based on input performance data, a magnet pushing-up means for repulsing and pushing up a magnet by an electromagnetic driving force of an electromagnetic driving means, and a musical tone generating means. Control means for generating an electric signal for controlling the electromagnetic driving force in the magnet pushing-up means on the basis of the characteristic of the musical sound to be generated, and controlling the electromagnetic driving means of the magnet pushing-up means by the electric signal. A music expression device characterized by this. 2. The music expression device according to claim 1, further comprising a tubular guide means, wherein the magnet pushing-up means pushes up the magnet housed in the guide means. 3. The music expression device according to claim 1, wherein the electromagnetic driving unit is an electromagnetic solenoid that generates an electromagnetic driving force by passing a current through a coil. 4. The magnets pushed up by the electromagnetic drive means are respectively mounted in capsules inserted in a plurality of transparent tubes filled with a transparent liquid. Music expression device described in.